Refactor language and role enums; update user language default value

README.md

@@ -1,11 +1,11 @@
 <p align="center">
-    <a href="https://qbot.botforge.biz"><img src="https://qbot.botforge.biz/img/qbot.svg" alt="QBot"></a>
+    <a href="https://quickbot.botforge.biz"><img src="https://quickbot.botforge.biz/img/qbot.svg" alt="QuickBot"></a>
 </p>
 <p align="center">
     <em>Telegram Bots Rapid Application Development (RAD) Framework.</em>
 </p>
 
-**QBot** is a library for fast development of Telegram bots and mini-apps following the **RAD (Rapid Application Development)** principle in a **declarative style**.
+**QuickBot** is a library for fast development of Telegram bots and mini-apps following the **RAD (Rapid Application Development)** principle in a **declarative style**.
 
 ## Key Features
 
@@ -16,13 +16,13 @@
 - **Context Preservation** – Store navigation stacks and user interaction states in the database.
 - **Internationalization Support** – Localizable UI and string fields for multilingual bots.
 
-**QBot** powered by **[FastAPI](https://fastapi.tiangolo.com)**, **[SQLModel](https://sqlmodel.tiangolo.com)** & **[aiogram](https://aiogram.dev)** – Leverage the full capabilities of these frameworks for high performance and flexibility.
+**QuickBot** powered by **[FastAPI](https://fastapi.tiangolo.com)**, **[SQLModel](https://sqlmodel.tiangolo.com)** & **[aiogram](https://aiogram.dev)** – Leverage the full capabilities of these frameworks for high performance and flexibility.
 
 ## Benefits
 
 - **Faster Development** – Automate repetitive tasks and build bots in record time.
 - **Highly Modular** – Easily extend and customize functionality.
-- **Less Code Duplication** – Focus on core features while QBot handles the rest.
+- **Less Code Duplication** – Focus on core features while QuickBot handles the rest.
 - **Enterprise-Grade Structure** – Scalable, maintainable, and optimized for real-world usage.
 
 ## Example
@@ -38,12 +38,12 @@ class AppEntity(BotEntity):
     )
 
     name: str                               # entity field with default sqlmodel's FieldInfo descriptor
-                                            # and default qbot's field descriptor
+                                            # and default quickbot's field descriptor
 
     description: str | None = Field(        # field with sqlmodel's descriptor
-        sa_type = String, index = True)     # and default qbot's descriptor
+        sa_type = String, index = True)     # and default quickbot's descriptor
 
-    age: int = EntityField(                 # field with qbot's descriptor
+    age: int = EntityField(                 # field with quickbot's descriptor
         caption = "Age",
     )
 
@@ -69,7 +69,7 @@ class AppEntity(BotEntity):
     )
 
 
-app = QBotApp()                             # bot application based on FastAPI application
+app = QuickBot()                             # bot application based on FastAPI application
                                             # providing Telegram API webhook handler
 
 @app.command(                               # decorator for bot commands definition
@@ -92,7 +92,7 @@ async def menu(context: CommandCallbackContext):
 ```
 ## Result
 
-<iframe width="100%" height="691" src="https://www.youtube.com/embed/ptTnoppkYfM" title="QBot Framework – The Open-Source RAD Tool for Telegram Bots" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+<iframe width="100%" height="691" src="https://www.youtube.com/embed/ptTnoppkYfM" title="QuickBot Framework – The Open-Source RAD Tool for Telegram Bots" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
 
 Here you can see the result - [YouTube Video with Bot](https://www.youtube.com/shorts/ptTnoppkYfM)
 

docs/index.md

@@ -66,14 +66,14 @@ class AppEntity(BotEntity):
             back_populates="entities",
             sa_relationship_kwargs={
                 "lazy": "selectin",
-                "foreign_keys": "Entity.user_id",
+                "foreign_keys": "AppEntity.user_id",
             }
         ),
         caption="User",
     )
 
 
-app = QBotApp()                             # bot application based on FastAPI application
+app = QuickBot()                             # bot application based on FastAPI application
                                             # providing Telegram API webhook handler
 
 @app.command(                               # decorator for bot commands definition

mkdocs.yml

@@ -1,5 +1,5 @@
-site_name: QBot Framework
+site_name: QuickBot Framework
-site_url: https://qbot.botforge.biz
+site_url: https://quickbot.botforge.biz
 theme:
   name: material
   palette:
@@ -10,5 +10,5 @@ theme:
     code: 'Roboto Mono'
   logo: 'img/qbot_1_1.svg'
   favicon: 'img/qbot_1_1.svg'
-repo_name: botforge/qbot
+repo_name: botforge/quickbot
-repo_url: https://git.botforge.biz/botforge/qbot
+repo_url: https://git.botforge.biz/botforge/quickbot

pyproject.toml

@@ -1,9 +1,13 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = "quickbot"
-version = "0.1.0"
+version = "0.1.1"
-description = "QBot - Rapid Application Development Framework for Telegram Bots"
+description = "quickbot - Rapid Application Development Framework for Telegram Bots"
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.13"
 classifiers = [
     "Programming Language :: Python :: 3",
     "Operating System :: OS Independent",
@@ -15,15 +19,25 @@ authors = [
 license = { file = "LICENSE" }
 
 dependencies = [
-    "aiogram>=3.17.0",
+    "aiogram>=3.22.0",
-    "babel>=2.17.0",
+    "asyncpg>=0.30.0",
     "fastapi[standard]>=0.115.8",
     "greenlet>=3.1.1",
-    "mkdocs-material>=9.6.5",
     "pydantic-settings>=2.7.1",
-    "pyngrok>=7.2.3",
+    "sqlmodel>=0.0.24",
-    "pytest>=8.3.4",
-    "ruff>=0.9.6",
-    "sqlmodel>=0.0.22",
     "ujson>=5.10.0",
 ]
+
+[project.optional-dependencies]
+dev = [
+    "build>=1.2.1",
+    "twine>=5.0.0",
+    "pytest>=8.0.0",
+    "ruff>=0.5.0",
+]
+i18n = [
+    "aiogram[i18n]>=3.22.0",
+]
+
+[tool.setuptools.packages.find]
+where = ["src"]

src/quickbot/__init__.py

@@ -1,22 +1,51 @@
-from .main import QBotApp as QBotApp, Config as Config
+from .main import QuickBot, Config
-from .router import Router as Router
+from .router import Router
-from .model.bot_entity import BotEntity as BotEntity
+from .model.bot_entity import BotEntity
-from .model.bot_enum import BotEnum as BotEnum, EnumMember as EnumMember
+from .model.bot_process import BotProcess
+from .model import BotEnum, EnumMember
 from .bot.handlers.context import (
-    ContextData as ContextData,
+    ContextData,
-    CallbackCommand as CallbackCommand,
+    CallbackCommand,
-    CommandContext as CommandContext,
+    CommandContext,
 )
 from .model.descriptors import (
-    Entity as Entity,
+    Entity,
-    EntityField as EntityField,
+    EntityField,
-    EntityForm as EntityForm,
+    EntityForm,
-    EntityList as EntityList,
+    EntityList,
-    Filter as Filter,
+    Filter,
-    EntityPermission as EntityPermission,
+    EntityPermission,
-    CommandCallbackContext as CommandCallbackContext,
+    CommandCallbackContext,
-    EntityEventContext as EntityEventContext,
+    BotContext,
-    CommandButton as CommandButton,
+    CommandButton,
-    FieldEditButton as FieldEditButton,
+    FieldEditButton,
-    InlineButton as InlineButton,
+    InlineButton,
+    FormField,
+    Process,
 )
+
+__all__ = [
+    "QuickBot",
+    "Config",
+    "Router",
+    "BotEntity",
+    "BotProcess",
+    "BotEnum",
+    "EnumMember",
+    "ContextData",
+    "CallbackCommand",
+    "CommandContext",
+    "Entity",
+    "EntityField",
+    "EntityForm",
+    "EntityList",
+    "Filter",
+    "EntityPermission",
+    "CommandCallbackContext",
+    "BotContext",
+    "CommandButton",
+    "FieldEditButton",
+    "InlineButton",
+    "FormField",
+    "Process",
+]

src/quickbot/api_route/depends.py

@@ -0,0 +1,37 @@
+from typing import Annotated, TYPE_CHECKING
+from fastapi import Depends, HTTPException, Request
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from jose import JWTError
+from sqlmodel.ext.asyncio.session import AsyncSession
+
+from quickbot.auth.jwt import decode_access_token
+from quickbot.db import get_db
+from quickbot.model.user import UserBase
+
+if TYPE_CHECKING:
+    from quickbot import QuickBot
+
+security_scheme = HTTPBearer(
+    scheme_name="bearerAuth",
+    bearerFormat="JWT",
+)
+
+
+async def get_current_user(
+    request: Request,
+    db_session: Annotated[AsyncSession, Depends(get_db)],
+    credentials: HTTPAuthorizationCredentials = Depends(security_scheme),
+) -> UserBase:
+    try:
+        payload = decode_access_token(credentials.credentials)
+        user_id = payload.get("sub")
+        if user_id is None:
+            raise HTTPException(status_code=401, detail="Invalid token")
+        app: QuickBot = request.app
+        user = await app.user_class.get(
+            session=db_session,
+            id=int(user_id),
+        )
+        return user
+    except JWTError:
+        raise HTTPException(status_code=401, detail="Invalid token")

src/quickbot/api_route/models.py

@@ -0,0 +1,49 @@
+from fastapi import Depends, Request
+from pydantic import BaseModel
+from sqlmodel.ext.asyncio.session import AsyncSession
+from typing import Annotated, TYPE_CHECKING
+
+from ..db import get_db
+from ..model.descriptors import EntityDescriptor
+from .depends import get_current_user
+
+if TYPE_CHECKING:
+    from ..main import QuickBot
+    from ..model.user import UserBase
+
+
+class ListParams(BaseModel):
+    query: str = ""
+    order_by: str = ""
+    limit: int = 100
+    offset: int = 0
+
+
+async def list_entity_items(
+    db_session: Annotated[AsyncSession, Depends(get_db)],
+    request: Request,
+    params: Annotated[ListParams, Depends()],
+    current_user=Depends(get_current_user),
+):
+    entity_descriptor: EntityDescriptor = request.app.bot_metadata.entity_descriptors[
+        request.url.path.split("/")[-1]
+    ]
+    entity_list = await entity_descriptor.crud.list_all(
+        db_session=db_session,
+        user=current_user,
+    )
+    return entity_list
+
+
+async def get_me(
+    db_session: Annotated[AsyncSession, Depends(get_db)],
+    request: Request,
+    current_user: Annotated["UserBase", Depends(get_current_user)],
+):
+    app: "QuickBot" = request.app
+    user = await app.user_class.bot_entity_descriptor.crud.get_by_id(
+        db_session=db_session,
+        user=current_user,
+        id=current_user.id,
+    )
+    return user

src/quickbot/api_route/telegram.py

@@ -1,11 +1,13 @@
-from typing import Annotated
+from aiogram.types import Update
-from fastapi import APIRouter, Depends, Request, Response
+from fastapi import APIRouter, Request, Response, Depends, HTTPException, Body
 from sqlmodel.ext.asyncio.session import AsyncSession
-from ..main import QBotApp
+from typing import Annotated
-
 
 from ..db import get_db
-from aiogram.types import Update
+from ..main import QuickBot
+from ..auth.telegram import check_telegram_auth
+from ..auth.jwt import create_access_token
+
 from logging import getLogger
 
 
@@ -13,15 +15,19 @@ logger = getLogger(__name__)
 router = APIRouter()
 
 
-@router.post("/webhook")
+@router.post("/webhook", name="telegram_webhook")
 async def telegram_webhook(
-    db_session: Annotated[AsyncSession, Depends(get_db)], request: Request
+    db_session: Annotated[AsyncSession, Depends(get_db)],
+    request: Request,
 ):
     logger.debug("Webhook request %s", await request.json())
-    app: QBotApp = request.app
+    app: QuickBot = request.app
+
+    if app.webhook_handler:
+        return await app.webhook_handler(app=app, request=request)
 
     request_token = request.headers.get("X-Telegram-Bot-Api-Secret-Token")
-    if request_token != app.bot_auth_token:
+    if request_token != app.config.TELEGRAM_WEBHOOK_AUTH_KEY:
         logger.warning("Unauthorized request %s", request)
         return Response(status_code=403)
     try:
@@ -29,16 +35,45 @@ async def telegram_webhook(
     except Exception:
         logger.error("Invalid request", exc_info=True)
         return Response(status_code=400)
-    try:
-        state_kw = request.state._state  # TODO: avoid accessing private attribute
 
+    try:
         await app.dp.feed_webhook_update(
-            app.bot,
+            bot=app.bot,
-            update,
+            update=update,
             db_session=db_session,
             app=app,
-            **(state_kw or {}),
+            app_state=request.state,
         )
     except Exception:
         logger.error("Error processing update", exc_info=True)
+        return Response(status_code=500)
+
     return Response(status_code=200)
+
+
+@router.post("/auth")
+async def telegram_login(request: Request, data: dict = Body(...)):
+    if not check_telegram_auth(data, request.app.config.TELEGRAM_BOT_TOKEN):
+        raise HTTPException(status_code=401, detail="Invalid Telegram auth")
+    payload = {
+        "sub": str(data["id"]),
+        "first_name": data.get("first_name"),
+        "username": data.get("username"),
+    }
+    token = create_access_token(payload)
+    return {"access_token": token, "token_type": "bearer"}
+
+
+# async def feed_bot_update(
+#     app: QBotApp,
+#     update: Update,
+#     app_state: State,
+# ):
+#     async with async_session() as db_session:
+#         await app.dp.feed_webhook_update(
+#             bot=app.bot,
+#             update=update,
+#             db_session=db_session,
+#             app=app,
+#             app_state=app_state,
+#         )

src/quickbot/auth/jwt.py

@@ -0,0 +1,20 @@
+from datetime import datetime, timedelta
+from jose import jwt
+
+SECRET_KEY = "your_secret_key"  # TODO: вынести в конфиг
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7  # 1 неделя
+
+
+def create_access_token(data: dict, expires_delta: timedelta = None):
+    to_encode = data.copy()
+    expire = datetime.utcnow() + (
+        expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    )
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+
+def decode_access_token(token: str):
+    return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])

src/quickbot/auth/telegram.py

@@ -0,0 +1,15 @@
+import hashlib
+import hmac
+
+
+def check_telegram_auth(data: dict, bot_token: str) -> bool:
+    auth_data = data.copy()
+    hash_ = auth_data.pop("hash", None)
+    if not hash_:
+        return False
+    data_check_string = "\n".join([f"{k}={v}" for k, v in sorted(auth_data.items())])
+    secret_key = hashlib.sha256(bot_token.encode()).digest()
+    hmac_hash = hmac.new(
+        secret_key, data_check_string.encode(), hashlib.sha256
+    ).hexdigest()
+    return hmac_hash == hash_

src/quickbot/bot/handlers/common/filtering.py

@@ -1,7 +1,7 @@
 from aiogram.types import InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
 
-from ....model.descriptors import EntityDescriptor
+from ....model.descriptors import BotContext, EntityDescriptor
 from ....utils.main import get_callable_str
 from ..context import ContextData, CallbackCommand
 
@@ -9,6 +9,7 @@ from ..context import ContextData, CallbackCommand
 async def add_filter_controls(
     keyboard_builder: InlineKeyboardBuilder,
     entity_descriptor: EntityDescriptor,
+    context: BotContext,
     filter: str = None,
     filtering_fields: list[str] = None,
     page: int = 1,
@@ -16,8 +17,9 @@ async def add_filter_controls(
     caption = ", ".join(
         [
             await get_callable_str(
-                entity_descriptor.fields_descriptors[field_name].caption,
+                callable_str=entity_descriptor.fields_descriptors[field_name].caption,
-                entity_descriptor,
+                context=context,
+                descriptor=entity_descriptor.fields_descriptors[field_name],
             )
             if entity_descriptor.fields_descriptors[field_name].caption
             else field_name

src/quickbot/bot/handlers/common/filtering_callbacks.py

@@ -20,7 +20,7 @@ from ..editors.entity import render_entity_picker
 from .routing import route_callback
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 router = Router()
@@ -42,7 +42,7 @@ async def view_filter_edit(query: CallbackQuery, **kwargs):
         cmd = args[1]
 
     db_session: AsyncSession = kwargs["db_session"]
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
     user: UserBase = kwargs["user"]
     entity_descriptor = get_entity_descriptor(app=app, callback_data=callback_data)
 
@@ -129,7 +129,7 @@ async def view_filter_edit_input(message: Message, **kwargs):
     callback_data = ContextData.unpack(state_data["context_data"])
     db_session: AsyncSession = kwargs["db_session"]
     user: UserBase = kwargs["user"]
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
     entity_descriptor = get_entity_descriptor(app=app, callback_data=callback_data)
     filter = message.text
     await ViewSetting.set_filter(

src/quickbot/bot/handlers/common/pagination.py

@@ -13,7 +13,7 @@ def add_pagination_controls(
 ):
     if total_pages > 1:
         navigation_buttons = []
-        ContextData(**callback_data.model_dump()).__setattr__
+        # ContextData(**callback_data.model_dump()).__setattr__
         if total_pages > 10:
             navigation_buttons.append(
                 InlineKeyboardButton(

src/quickbot/bot/handlers/common/routing.py

@@ -1,8 +1,9 @@
 from aiogram.types import Message, CallbackQuery
+from aiogram.fsm.context import FSMContext
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from quickbot.main import QBotApp
+    from quickbot.main import QuickBot
 
 from ..context import CallbackCommand
 
@@ -12,23 +13,26 @@ from ....utils.navigation import (
     pop_navigation_context,
 )
 
-import quickbot.bot.handlers.menu.main as menu_main
-import quickbot.bot.handlers.menu.settings as menu_settings
-import quickbot.bot.handlers.menu.parameters as menu_parameters
-import quickbot.bot.handlers.menu.language as menu_language
-import quickbot.bot.handlers.menu.entities as menu_entities
-import quickbot.bot.handlers.forms.entity_list as form_list
-import quickbot.bot.handlers.forms.entity_form as form_item
-import quickbot.bot.handlers.editors.main as editor
-
 
 async def route_callback(message: Message | CallbackQuery, back: bool = True, **kwargs):
+    import quickbot.bot.handlers.menu.main as menu_main
+    import quickbot.bot.handlers.menu.language as menu_language
+    import quickbot.bot.handlers.menu.settings as menu_settings
+    import quickbot.bot.handlers.menu.parameters as menu_parameters
+    import quickbot.bot.handlers.menu.entities as menu_entities
+    import quickbot.bot.handlers.forms.entity_list as form_list
+    import quickbot.bot.handlers.forms.entity_form as form_item
+    import quickbot.bot.handlers.editors.main as editor
+    import quickbot.bot.handlers.user_handlers.main as user_handler
+
     state_data = kwargs["state_data"]
+    state: FSMContext = kwargs["state"]
     stack, context = get_navigation_context(state_data)
     if back:
         context = pop_navigation_context(stack)
         stack = save_navigation_context(callback_data=context, state_data=state_data)
     kwargs.update({"callback_data": context, "navigation_stack": stack})
+    await state.set_data(state_data)
     if context:
         if context.command == CallbackCommand.MENU_ENTRY_MAIN:
             await menu_main.main_menu(message, **kwargs)
@@ -47,12 +51,10 @@ async def route_callback(message: Message | CallbackQuery, back: bool = True, **
         elif context.command == CallbackCommand.FIELD_EDITOR:
             await editor.field_editor(message, **kwargs)
         elif context.command == CallbackCommand.USER_COMMAND:
-            import quickbot.bot.handlers.user_handlers.main as user_handler
+            app: "QuickBot" = kwargs["app"]
-
-            app: "QBotApp" = kwargs["app"]
             cmd = app.bot_commands.get(context.user_command.split("&")[0])
 
-            await user_handler.cammand_handler(message=message, cmd=cmd, **kwargs)
+            await user_handler.command_handler(message=message, cmd=cmd, **kwargs)
         else:
             raise ValueError(f"Unknown command {context.command}")
     else:

src/quickbot/bot/handlers/context.py

@@ -21,6 +21,7 @@ class CallbackCommand(StrEnum):
     ENTITY_PICKER_TOGGLE_ITEM = "et"
     VIEW_FILTER_EDIT = "vf"
     USER_COMMAND = "uc"
+    DELETE_MESSAGE = "dl"
 
 
 class CommandContext(StrEnum):

src/quickbot/bot/handlers/editors/boolean.py

@@ -5,7 +5,7 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from babel.support import LazyProxy
 from logging import getLogger
 
-from ....model.descriptors import FieldDescriptor
+from ....model.descriptors import BotContext, FieldDescriptor
 from ....model.user import UserBase
 from ..context import ContextData, CallbackCommand
 from ....utils.main import get_send_message
@@ -67,12 +67,21 @@ async def bool_editor(
 
     state_data = kwargs["state_data"]
 
+    context = BotContext(
+        db_session=kwargs["db_session"],
+        app=kwargs["app"],
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
+
     await wrap_editor(
         keyboard_builder=keyboard_builder,
         field_descriptor=field_descriptor,
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
     )
 
     state: FSMContext = kwargs["state"]

src/quickbot/bot/handlers/editors/common.py

@@ -1,10 +1,15 @@
 from aiogram.types import Message, CallbackQuery
 from decimal import Decimal
 from datetime import datetime, time
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from quickbot.main import QuickBot
+from quickbot.utils.serialization import deserialize
 
 from ....model.bot_entity import BotEntity
 from ....model.bot_enum import BotEnum
-from ....model.descriptors import FieldDescriptor
+from ....model.descriptors import BotContext, FieldDescriptor
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ....utils.main import get_callable_str, get_value_repr
@@ -21,38 +26,91 @@ async def show_editor(message: Message | CallbackQuery, **kwargs):
     user: UserBase = kwargs["user"]
     callback_data: ContextData = kwargs.get("callback_data", None)
     state_data: dict = kwargs["state_data"]
+    db_session = kwargs["db_session"]
+    app: "QuickBot" = kwargs["app"]
 
     value_type = field_descriptor.type_base
 
+    entity_data_dict: dict = state_data.get("entity_data")
+    entity_data = None
+
+    if callback_data.context == CommandContext.COMMAND_FORM:
+        cmd = app.bot_commands.get(callback_data.user_command.split("&")[0])
+
+        entity_data = (
+            {
+                key: await deserialize(
+                    session=kwargs["db_session"],
+                    type_=cmd.param_form[key].type_,
+                    value=value,
+                )
+                for key, value in entity_data_dict.items()
+            }
+            if entity_data_dict and cmd.param_form
+            else None
+        )
+
+    elif callback_data.context == CommandContext.ENTITY_CREATE:
+        entity_data = (
+            {
+                key: await deserialize(
+                    session=kwargs["db_session"],
+                    type_=field_descriptor.entity_descriptor.fields_descriptors[
+                        key
+                    ].type_,
+                    value=value,
+                )
+                for key, value in entity_data_dict.items()
+            }
+            if entity_data_dict
+            else None
+        )
+    else:
+        entity_id = callback_data.entity_id
+        if entity_id:
+            entity_data = await field_descriptor.entity_descriptor.type_.get(
+                session=db_session, id=entity_id
+            )
+
+    context = BotContext(
+        db_session=db_session,
+        app=app,
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
+
     if field_descriptor.edit_prompt:
         edit_prompt = await get_callable_str(
-            field_descriptor.edit_prompt,
+            callable_str=field_descriptor.edit_prompt,
-            field_descriptor,
+            context=context,
-            callback_data
+            descriptor=field_descriptor,
-            if callback_data.context == CommandContext.COMMAND_FORM
+            entity=entity_data,
-            else None,
-            current_value,
         )
     else:
         if field_descriptor.caption:
             caption_str = await get_callable_str(
                 field_descriptor.caption,
-                field_descriptor,
+                context=context,
-                callback_data
+                descriptor=field_descriptor,
-                if callback_data.context == CommandContext.COMMAND_FORM
-                else None,
-                current_value,
             )
         else:
             caption_str = field_descriptor.name
         if callback_data.context == CommandContext.ENTITY_EDIT:
+            db_session = kwargs["db_session"]
+            app = kwargs["app"]
             edit_prompt = (
                 await Settings.get(
                     Settings.APP_STRINGS_FIELD_EDIT_PROMPT_TEMPLATE_P_NAME_VALUE
                 )
             ).format(
                 name=caption_str,
-                value=await get_value_repr(current_value, field_descriptor, user.lang),
+                value=await get_value_repr(
+                    value=current_value,
+                    field_descriptor=field_descriptor,
+                    context=context,
+                    locale=user.lang,
+                ),
             )
         else:
             edit_prompt = (
@@ -61,6 +119,7 @@ async def show_editor(message: Message | CallbackQuery, **kwargs):
                 )
             ).format(name=caption_str)
 
+    kwargs["entity_data"] = entity_data
     kwargs["edit_prompt"] = edit_prompt
 
     if value_type not in [int, float, Decimal, str]:

src/quickbot/bot/handlers/editors/date.py

@@ -6,7 +6,7 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from logging import getLogger
 from typing import TYPE_CHECKING
 
-from ....model.descriptors import FieldDescriptor
+from ....model.descriptors import BotContext, FieldDescriptor
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ..context import ContextData, CallbackCommand
@@ -14,7 +14,7 @@ from ....utils.main import get_send_message, get_field_descriptor
 from .wrapper import wrap_editor
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 logger = getLogger(__name__)
@@ -23,7 +23,7 @@ router = Router()
 
 @router.callback_query(ContextData.filter(F.command == CallbackCommand.TIME_PICKER))
 async def time_picker_callback(
-    query: CallbackQuery, callback_data: ContextData, app: "QBotApp", **kwargs
+    query: CallbackQuery, callback_data: ContextData, app: "QuickBot", **kwargs
 ):
     if not callback_data.data:
         return
@@ -158,6 +158,13 @@ async def time_picker(
     )
 
     state_data = kwargs["state_data"]
+    context = BotContext(
+        db_session=kwargs["db_session"],
+        app=kwargs["app"],
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
 
     await wrap_editor(
         keyboard_builder=keyboard_builder,
@@ -165,6 +172,7 @@ async def time_picker(
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
     )
 
     await state.set_data(state_data)
@@ -272,12 +280,21 @@ async def date_picker(
 
     state_data = kwargs["state_data"]
 
+    context = BotContext(
+        db_session=kwargs["db_session"],
+        app=kwargs["app"],
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
+
     await wrap_editor(
         keyboard_builder=keyboard_builder,
         field_descriptor=field_descriptor,
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
     )
 
     await state.set_data(state_data)
@@ -295,11 +312,11 @@ async def date_picker(
 async def date_picker_year(
     query: CallbackQuery,
     callback_data: ContextData,
-    app: "QBotApp",
     state: FSMContext,
     user: UserBase,
     **kwargs,
 ):
+    app: "QuickBot" = kwargs["app"]
     start_date = datetime.strptime(callback_data.data, "%Y-%m-%d %H-%M")
 
     state_data = await state.get_data()
@@ -366,12 +383,21 @@ async def date_picker_year(
 
     field_descriptor = get_field_descriptor(app, callback_data)
 
+    context = BotContext(
+        db_session=kwargs["db_session"],
+        app=app,
+        app_state=kwargs["app_state"],
+        user=user,
+        message=query,
+    )
+
     await wrap_editor(
         keyboard_builder=keyboard_builder,
         field_descriptor=field_descriptor,
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
     )
 
     await query.message.edit_reply_markup(reply_markup=keyboard_builder.as_markup())
@@ -380,9 +406,8 @@ async def date_picker_year(
 @router.callback_query(
     ContextData.filter(F.command == CallbackCommand.DATE_PICKER_MONTH)
 )
-async def date_picker_month(
+async def date_picker_month(query: CallbackQuery, callback_data: ContextData, **kwargs):
-    query: CallbackQuery, callback_data: ContextData, app: "QBotApp", **kwargs
+    app: "QuickBot" = kwargs["app"]
-):
     field_descriptor = get_field_descriptor(app, callback_data)
     state: FSMContext = kwargs["state"]
     state_data = await state.get_data()

src/quickbot/bot/handlers/editors/entity.py

@@ -1,3 +1,4 @@
+from inspect import iscoroutinefunction
 from aiogram import Router, F
 from aiogram.fsm.context import FSMContext
 from aiogram.types import Message, CallbackQuery, InlineKeyboardButton
@@ -14,13 +15,14 @@ from ....model.bot_enum import BotEnum
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ....model.view_setting import ViewSetting
-from ....model.descriptors import FieldDescriptor, Filter
+from ....model.descriptors import BotContext, EntityList, FieldDescriptor
 from ....model import EntityPermission
 from ....utils.main import (
     get_user_permissions,
     get_send_message,
     get_field_descriptor,
     get_callable_str,
+    prepare_static_filter,
 )
 from ....utils.serialization import serialize, deserialize
 from ..context import ContextData, CallbackCommand
@@ -29,7 +31,7 @@ from ..common.filtering import add_filter_controls
 from .wrapper import wrap_editor
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 logger = getLogger(__name__)
 router = Router()
@@ -93,24 +95,78 @@ async def render_entity_picker(
     page_size = await Settings.get(Settings.PAGE_SIZE)
     form_list = None
 
+    context = BotContext(
+        db_session=db_session,
+        app=kwargs["app"],
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
+
+    entity = None
+
     if issubclass(type_, BotEnum):
         items_count = len(type_.all_members)
         total_pages = calc_total_pages(items_count, page_size)
         page = min(page, total_pages)
+        if isinstance(field_descriptor.options, list):
+            enum_items = field_descriptor.options[
+                page_size * (page - 1) : page_size * page
+            ]
+        elif callable(field_descriptor.options):
+            if callback_data.entity_id:
+                entity = await field_descriptor.entity_descriptor.type_.get(
+                    session=db_session, id=callback_data.entity_id
+                )
+            if iscoroutinefunction(field_descriptor.options):
+                enum_items = (await field_descriptor.options(entity, context)) or []
+            else:
+                enum_items = field_descriptor.options(entity, context) or []
+            enum_items = enum_items[page_size * (page - 1) : page_size * page]
+        else:
             enum_items = list(type_.all_members.values())[
                 page_size * (page - 1) : page_size * page
             ]
-        items = [
+        items = []
+        for it_row in enum_items:
+            if not isinstance(it_row, list):
+                it_row = [it_row]
+            item_row = []
+            for item in it_row:
+                if isinstance(item, tuple):
+                    item_value, item_text = item
+                else:
+                    item_value = item
+                    item_text = item.localized(user.lang)
+                item_row.append(
                     {
-                "text": f"{'' if not is_list else '【✔︎】 ' if item in (current_value or []) else '【  】 '}{item.localized(user.lang)}",
+                        "text": f"{'' if not is_list else '[✓] ' if item_value in (current_value or []) else '[  ] '}{item_text}",
-                "value": item.value,
+                        "value": item_value.value,
                     }
-            for item in enum_items
+                )
-        ]
+            items.append(item_row)
+
     elif issubclass(type_, BotEntity):
-        form_name = field_descriptor.ep_form or "default"
+        ep_form = "default"
-        form_list = type_.bot_entity_descriptor.lists.get(
+        ep_form_params = []
-            form_name, type_.bot_entity_descriptor.default_list
+
+        if field_descriptor.ep_form:
+            if callable(field_descriptor.ep_form):
+                if iscoroutinefunction(field_descriptor.ep_form):
+                    ep_form = await field_descriptor.ep_form(context)
+                else:
+                    ep_form = field_descriptor.ep_form(context)
+
+            else:
+                ep_form = field_descriptor.ep_form
+
+            ep_form_list = ep_form.split("&")
+
+            ep_form = ep_form_list[0]
+            ep_form_params = ep_form_list[1:] if len(ep_form_list) > 1 else []
+
+        form_list: EntityList = type_.bot_entity_descriptor.lists.get(
+            ep_form, type_.bot_entity_descriptor.default_list
         )
         permissions = get_user_permissions(user, type_.bot_entity_descriptor)
         if form_list.filtering:
@@ -123,17 +179,31 @@ async def render_entity_picker(
             entity_filter = None
         list_all = EntityPermission.LIST_ALL in permissions
 
-        if list_all or EntityPermission.LIST in permissions:
+        if list_all or EntityPermission.LIST_RLS in permissions:
             if (
                 field_descriptor.ep_parent_field
-                and field_descriptor.ep_parent_field
+                and field_descriptor.ep_child_field
                 and callback_data.entity_id
             ):
+                if callable(field_descriptor.ep_parent_field):
+                    parent_field = field_descriptor.ep_parent_field(
+                        field_descriptor.entity_descriptor.type_
+                    ).key
+                else:
+                    parent_field = field_descriptor.ep_parent_field
+
+                if callable(field_descriptor.ep_child_field):
+                    child_field = field_descriptor.ep_child_field(
+                        field_descriptor.entity_descriptor.type_
+                    ).key
+                else:
+                    child_field = field_descriptor.ep_child_field
+
                 entity = await field_descriptor.entity_descriptor.type_.get(
                     session=db_session, id=callback_data.entity_id
                 )
-                value = getattr(entity, field_descriptor.ep_parent_field)
+                value = getattr(entity, parent_field)
-                ext_filter = column(field_descriptor.ep_child_field).__eq__(value)
+                ext_filter = column(child_field).__eq__(value)
 
             else:
                 ext_filter = None
@@ -141,19 +211,11 @@ async def render_entity_picker(
             if form_list.pagination:
                 items_count = await type_.get_count(
                     session=db_session,
-                    static_filter=(
+                    static_filter=await prepare_static_filter(
-                        [
+                        db_session=db_session,
-                            Filter(
+                        entity_descriptor=type_.bot_entity_descriptor,
-                                field_name=f.field_name,
+                        static_filters=form_list.static_filters,
-                                operator=f.operator,
+                        params=ep_form_params,
-                                value_type="const",
-                                value=f.value,
-                            )
-                            for f in form_list.static_filters
-                            if f.value_type == "const"
-                        ]
-                        if isinstance(form_list.static_filters, list)
-                        else form_list.static_filters
                     ),
                     ext_filter=ext_filter,
                     filter=entity_filter,
@@ -170,19 +232,11 @@ async def render_entity_picker(
             entity_items = await type_.get_multi(
                 session=db_session,
                 order_by=form_list.order_by,
-                static_filter=(
+                static_filter=await prepare_static_filter(
-                    [
+                    db_session=db_session,
-                        Filter(
+                    entity_descriptor=type_.bot_entity_descriptor,
-                            field_name=f.field_name,
+                    static_filters=form_list.static_filters,
-                            operator=f.operator,
+                    params=ep_form_params,
-                            value_type="const",
-                            value=f.value,
-                        )
-                        for f in form_list.static_filters
-                        if f.value_type == "const"
-                    ]
-                    if isinstance(form_list.static_filters, list)
-                    else form_list.static_filters
                 ),
                 ext_filter=ext_filter,
                 filter=entity_filter,
@@ -197,35 +251,41 @@ async def render_entity_picker(
             entity_items = list[BotEntity]()
 
         items = [
+            [
                 {
                     "text": f"{
                         ''
                         if not is_list
-                    else '【✔︎】 '
+                        else '[✓] '
                         if item in (current_value or [])
-                    else '【  】 '
+                        else '[  ] '
                     }{
-                    type_.bot_entity_descriptor.item_repr(
+                        await get_callable_str(
-                        type_.bot_entity_descriptor, item
+                            callable_str=type_.bot_entity_descriptor.item_repr,
+                            context=context,
+                            entity=item,
                         )
                         if type_.bot_entity_descriptor.item_repr
                         else await get_callable_str(
-                        type_.bot_entity_descriptor.full_name,
+                            callable_str=type_.bot_entity_descriptor.full_name,
-                        type_.bot_entity_descriptor,
+                            context=context,
-                        item,
+                            descriptor=type_.bot_entity_descriptor,
                         )
                         if type_.bot_entity_descriptor.full_name
                         else f'{type_.bot_entity_descriptor.name}: {str(item.id)}'
                     }",
                     "value": str(item.id),
                 }
+            ]
             for item in entity_items
         ]
 
     keyboard_builder = InlineKeyboardBuilder()
 
-    for item in items:
+    for item_row in items:
-        keyboard_builder.row(
+        btn_row = []
+        for item in item_row:
+            btn_row.append(
                 InlineKeyboardButton(
                     text=item["text"],
                     callback_data=ContextData(
@@ -244,6 +304,7 @@ async def render_entity_picker(
                     ).pack(),
                 )
             )
+        keyboard_builder.row(*btn_row)
 
     if form_list and form_list.pagination:
         add_pagination_controls(
@@ -262,6 +323,7 @@ async def render_entity_picker(
         await add_filter_controls(
             keyboard_builder=keyboard_builder,
             entity_descriptor=type_.bot_entity_descriptor,
+            context=context,
             filter=entity_filter,
             filtering_fields=form_list.filtering_fields,
         )
@@ -290,13 +352,20 @@ async def render_entity_picker(
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
+        entity=entity,
     )
 
     await state.set_data(state_data)
 
+    if message:
         send_message = get_send_message(message)
-
         await send_message(text=edit_prompt, reply_markup=keyboard_builder.as_markup())
+    else:
+        app: "QuickBot" = kwargs["app"]
+        await app.bot.send_message(
+            chat_id=user.id, text=edit_prompt, reply_markup=keyboard_builder.as_markup()
+        )
 
 
 @router.callback_query(
@@ -309,7 +378,7 @@ async def entity_picker_callback(
     query: CallbackQuery,
     callback_data: ContextData,
     db_session: AsyncSession,
-    app: "QBotApp",
+    app: "QuickBot",
     state: FSMContext,
     **kwargs,
 ):

src/quickbot/bot/handlers/editors/main.py

@@ -1,16 +1,21 @@
+from inspect import iscoroutinefunction
 from typing import TYPE_CHECKING
 from aiogram import Router, F
 from aiogram.fsm.context import FSMContext
 from aiogram.types import Message, CallbackQuery
 from logging import getLogger
+from sqlalchemy.orm.collections import InstrumentedList
 from sqlmodel.ext.asyncio.session import AsyncSession
+from quickbot.model.descriptors import BotContext, EntityForm
 
 from ....model import EntityPermission
 from ....model.settings import Settings
 from ....model.user import UserBase
+from ....model.permissions import check_entity_permission
 from ....utils.main import (
-    check_entity_permission,
+    build_field_sequence,
     get_field_descriptor,
+    clear_state,
 )
 from ....utils.serialization import deserialize, serialize
 from ..context import ContextData, CallbackCommand, CommandContext
@@ -29,7 +34,7 @@ from .boolean import router as bool_editor_router
 from .entity import router as entity_picker_router
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 logger = getLogger(__name__)
@@ -49,8 +54,8 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
     callback_data: ContextData = kwargs.get("callback_data", None)
     db_session: AsyncSession = kwargs["db_session"]
     user: UserBase = kwargs["user"]
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
-    # state: FSMContext = kwargs["state"]
+    state: FSMContext = kwargs["state"]
 
     state_data: dict = kwargs["state_data"]
     entity_data = state_data.get("entity_data")
@@ -89,6 +94,14 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
 
         current_value = None
 
+        context = BotContext(
+            db_session=db_session,
+            app=app,
+            app_state=kwargs["app_state"],
+            user=user,
+            message=message,
+        )
+
         if (
             field_descriptor.type_base is bool
             and callback_data.context == CommandContext.ENTITY_FIELD_EDIT
@@ -96,23 +109,78 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
             entity = await entity_descriptor.type_.get(
                 session=db_session, id=int(callback_data.entity_id)
             )
-            if check_entity_permission(
+            if await check_entity_permission(
-                entity=entity, user=user, permission=EntityPermission.UPDATE
+                entity=entity, user=user, permission=EntityPermission.UPDATE_RLS
             ):
+                old_values = {}
+
+                for f in entity.bot_entity_descriptor.fields_descriptors.values():
+                    value = getattr(entity, f.field_name)
+                    if isinstance(value, InstrumentedList):
+                        value = list(value)
+                    old_values[f.field_name] = value
+
+                new_values = old_values.copy()
+
                 current_value: bool = (
                     getattr(entity, field_descriptor.field_name) or False
                 )
-                setattr(entity, field_descriptor.field_name, not current_value)
+                new_values[field_descriptor.field_name] = not current_value
+
+                can_update = True
+
+                if entity_descriptor.before_update_save:
+                    if iscoroutinefunction(entity_descriptor.before_update_save):
+                        can_update = await entity_descriptor.before_update_save(
+                            old_values,
+                            new_values,
+                            context,
+                        )
+                    else:
+                        can_update = entity_descriptor.before_update_save(
+                            old_values,
+                            new_values,
+                            context,
+                        )
+                    if isinstance(can_update, str):
+                        await message.answer(text=can_update, **{"show_alert": True})
+                    elif not can_update:
+                        await message.answer(
+                            text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN)),
+                            **{"show_alert": True},
+                        )
+
+                if isinstance(can_update, bool) and can_update:
+                    for attr in new_values:
+                        if attr != "id":
+                            setattr(entity, attr, new_values[attr])
 
                     await db_session.commit()
-                stack, context = get_navigation_context(state_data=state_data)
 
-                kwargs.update({"callback_data": context})
+                    if entity_descriptor.on_updated:
+                        if iscoroutinefunction(entity_descriptor.on_updated):
+                            await entity_descriptor.on_updated(
+                                old_values,
+                                entity,
+                                context,
+                            )
+                        else:
+                            entity_descriptor.on_updated(
+                                old_values,
+                                entity,
+                                context,
+                            )
+
+                    stack, context_data = get_navigation_context(state_data=state_data)
+                    kwargs.update({"callback_data": context_data})
+                    await state.set_data(state_data)
 
                     return await entity_item(
                         query=message, navigation_stack=stack, **kwargs
                     )
 
+            return
+
         if not entity_data and callback_data.context in [
             CommandContext.ENTITY_EDIT,
             CommandContext.ENTITY_FIELD_EDIT,
@@ -120,31 +188,62 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
             entity = await entity_descriptor.type_.get(
                 session=kwargs["db_session"], id=int(callback_data.entity_id)
             )
-            if check_entity_permission(
+            if await check_entity_permission(
-                entity=entity, user=user, permission=EntityPermission.READ
+                entity=entity, user=user, permission=EntityPermission.READ_RLS
             ):
                 if entity:
                     form_name = (
                         callback_data.form_params.split("&")[0]
                         if callback_data.form_params
-                        else "default"
+                        else None
                     )
-                    form = entity_descriptor.forms.get(
+                    form: EntityForm = entity_descriptor.forms.get(
                         form_name, entity_descriptor.default_form
                     )
+                    if form.edit_field_sequence:
+                        field_sequence = form.edit_field_sequence
+                    else:
+                        field_sequence = await build_field_sequence(
+                            entity_descriptor=entity_descriptor,
+                            user=user,
+                            callback_data=callback_data,
+                            state_data=state_data,
+                            context=context,
+                        )
                     entity_data = {
                         key: serialize(
-                            getattr(entity, key),
+                            getattr(
+                                entity,
+                                entity_descriptor.fields_descriptors[key].field_name,
+                            ),
                             entity_descriptor.fields_descriptors[key],
                         )
                         for key in (
-                            form.edit_field_sequence
+                            field_sequence
                             if callback_data.context == CommandContext.ENTITY_EDIT
                             else [callback_data.field_name]
                         )
                     }
                     state_data.update({"entity_data": entity_data})
 
+        if callback_data.context == CommandContext.ENTITY_CREATE:
+            if entity_descriptor.before_create:
+                if iscoroutinefunction(entity_descriptor.before_create):
+                    can_create = await entity_descriptor.before_create(
+                        context,
+                    )
+                else:
+                    can_create = entity_descriptor.before_create(
+                        context,
+                    )
+                if isinstance(can_create, str):
+                    return await message.answer(text=can_create, **{"show_alert": True})
+                elif not can_create:
+                    return await message.answer(
+                        text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN)),
+                        **{"show_alert": True},
+                    )
+
         if entity_data:
             current_value = await deserialize(
                 session=db_session,
@@ -158,6 +257,18 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
     await show_editor(message=message, current_value=current_value, **kwargs)
 
 
+@router.callback_query(ContextData.filter(F.command == CallbackCommand.DELETE_MESSAGE))
+async def delete_message_callback(query: CallbackQuery, **kwargs):
+    state: FSMContext = kwargs["state"]
+    state_data = await state.get_data()
+    context_data: ContextData = kwargs["callback_data"]
+    clear_nav = context_data.data == "clear_nav"
+    clear_state(state_data=state_data, clear_nav=clear_nav)
+    await state.set_data(state_data)
+
+    await query.message.delete()
+
+
 router.include_routers(
     string_editor_router,
     date_picker_router,

src/quickbot/bot/handlers/editors/main_callbacks.py

@@ -2,23 +2,31 @@ from inspect import iscoroutinefunction
 from aiogram import Router, F
 from aiogram.types import Message, CallbackQuery
 from aiogram.fsm.context import FSMContext
+from sqlalchemy.orm.collections import InstrumentedList
 from sqlmodel.ext.asyncio.session import AsyncSession
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any
 from decimal import Decimal
 import json
 
 from ..context import ContextData, CallbackCommand, CommandContext
 from ...command_context_filter import CallbackCommandFilter
-from ..user_handlers.main import cammand_handler
+from ..user_handlers.main import command_handler
 from ....model import EntityPermission
 from ....model.user import UserBase
 from ....model.settings import Settings
-from ....model.descriptors import EntityEventContext, FieldDescriptor
+from ....model.descriptors import (
+    BotContext,
+    EntityForm,
+    EntityList,
+    FieldDescriptor,
+    Filter,
+    FilterExpression,
+)
 from ....model.language import LanguageBase
 from ....auth import authorize_command
+from ....model.permissions import check_entity_permission
 from ....utils.main import (
     get_user_permissions,
-    check_entity_permission,
     clear_state,
     get_entity_descriptor,
     get_field_descriptor,
@@ -29,31 +37,90 @@ from ..common.routing import route_callback
 from .common import show_editor
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 router = Router()
 
 
+async def _validate_value(
+    field_descriptor: FieldDescriptor,
+    value: Any,
+    message: Message | CallbackQuery,
+    **kwargs: Any,
+) -> bool | str:
+    if field_descriptor.validator:
+        context = BotContext(
+            db_session=kwargs["db_session"],
+            app=kwargs["app"],
+            app_state=kwargs["app_state"],
+            user=kwargs["user"],
+            message=message,
+        )
+        if iscoroutinefunction(field_descriptor.validator):
+            return await field_descriptor.validator(value, context)
+        else:
+            return field_descriptor.validator(value, context)
+    return True
+
+
 @router.message(CallbackCommandFilter(CallbackCommand.FIELD_EDITOR_CALLBACK))
 @router.callback_query(
     ContextData.filter(F.command == CallbackCommand.FIELD_EDITOR_CALLBACK)
 )
 async def field_editor_callback(message: Message | CallbackQuery, **kwargs):
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
-    state: FSMContext = kwargs["state"]
+    callback_data: ContextData = kwargs.get("callback_data", None)
 
+    state: FSMContext = kwargs["state"]
     state_data = await state.get_data()
     kwargs["state_data"] = state_data
 
     if isinstance(message, Message):
-        callback_data: ContextData = kwargs.get("callback_data", None)
         context_data = state_data.get("context_data")
         if context_data:
             callback_data = ContextData.unpack(context_data)
-        value = message.text
+
         field_descriptor = get_field_descriptor(app, callback_data)
+
+        if not field_descriptor.options_custom_value:
+            return
+
+        value = message.text
         type_base = field_descriptor.type_base
 
+        if type_base in [int, float, Decimal]:
+            try:
+                val = type_base(value)  # @IgnoreException
+            except Exception:
+                return await message.answer(
+                    text=(await Settings.get(Settings.APP_STRINGS_INVALID_INPUT))
+                )
+        elif type_base is str and field_descriptor.localizable:
+            locale_index = int(state_data.get("locale_index"))
+            val = {
+                list(LanguageBase.all_members.values())[
+                    locale_index
+                ].value: message.text
+            }
+        else:
+            val = value
+
+        validation_result = await _validate_value(
+            field_descriptor=field_descriptor,
+            value=val,
+            message=message,
+            **kwargs,
+        )
+
+        if isinstance(validation_result, str):
+            return await message.answer(
+                text=f"{await Settings.get(Settings.APP_STRINGS_INVALID_INPUT)}\n{validation_result}"
+            )
+        elif not validation_result:
+            return await message.answer(
+                text=(await Settings.get(Settings.APP_STRINGS_INVALID_INPUT))
+            )
+
         if type_base is str and field_descriptor.localizable:
             locale_index = int(state_data.get("locale_index"))
 
@@ -72,38 +139,23 @@ async def field_editor_callback(message: Message | CallbackQuery, **kwargs):
                 current_value = state_data.get("current_value")
 
                 state_data.update({"value": value})
-                entity_descriptor = get_entity_descriptor(app, callback_data)
+                # entity_descriptor = field_descriptor.entity_descriptor
+                # entity_descriptor = get_entity_descriptor(app, callback_data)
                 kwargs.update({"callback_data": callback_data})
 
                 return await show_editor(
                     message=message,
                     locale_index=locale_index + 1,
                     field_descriptor=field_descriptor,
-                    entity_descriptor=entity_descriptor,
+                    # entity_descriptor=entity_descriptor,
                     current_value=current_value,
                     value=value,
                     **kwargs,
                 )
-            # else:
-            #     value = state_data.get("value")
-            #     if value:
-            #         value = json.loads(value)
-            #     else:
-            #         value = {}
-            #     value[list(LanguageBase.all_members.keys())[locale_index]] = (
-            #         message.text
-            #     )
-            #     value = json.dumps(value, ensure_ascii=False)
 
-        elif type_base in [int, float, Decimal]:
-            try:
-                _ = type_base(value)  # @IgnoreException
-            except Exception:
-                return await message.answer(
-                    text=(await Settings.get(Settings.APP_STRINGS_INVALID_INPUT))
-                )
     else:
-        callback_data: ContextData = kwargs["callback_data"]
+        field_descriptor = get_field_descriptor(app, callback_data)
+
         if callback_data.data:
             if callback_data.data == "skip":
                 value = None
@@ -111,7 +163,6 @@ async def field_editor_callback(message: Message | CallbackQuery, **kwargs):
                 value = callback_data.data
         else:
             value = state_data.get("value")
-        field_descriptor = get_field_descriptor(app, callback_data)
 
     kwargs.update(
         {
@@ -144,6 +195,8 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                     text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
                 )
 
+        clear_state(state_data=state_data)
+
         return await route_callback(message=message, back=True, **kwargs)
 
     elif callback_data.context in [
@@ -152,9 +205,12 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
         CommandContext.ENTITY_FIELD_EDIT,
         CommandContext.COMMAND_FORM,
     ]:
-        app: "QBotApp" = kwargs["app"]
+        app: "QuickBot" = kwargs["app"]
         entity_descriptor = get_entity_descriptor(app, callback_data)
 
+        entity_data = state_data.get("entity_data", {})
+        entity_data[field_descriptor.name] = value
+
         if callback_data.context == CommandContext.COMMAND_FORM:
             field_sequence = list(field_descriptor.command.param_form.keys())
             current_index = field_sequence.index(callback_data.field_name)
@@ -163,19 +219,28 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
             form_name = (
                 callback_data.form_params.split("&")[0]
                 if callback_data.form_params
-                else "default"
+                else None
             )
-            form = entity_descriptor.forms.get(
+            form: EntityForm = entity_descriptor.forms.get(
                 form_name, entity_descriptor.default_form
             )
 
             if form.edit_field_sequence:
                 field_sequence = form.edit_field_sequence
             else:
-                field_sequence = build_field_sequence(
+                context = BotContext(
+                    db_session=kwargs["db_session"],
+                    app=kwargs["app"],
+                    app_state=kwargs["app_state"],
+                    user=user,
+                    message=message,
+                )
+                field_sequence = await build_field_sequence(
                     entity_descriptor=entity_descriptor,
                     user=user,
                     callback_data=callback_data,
+                    state_data=state_data,
+                    context=context,
                 )
 
             current_index = (
@@ -186,9 +251,7 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
             )
             field_descriptors = entity_descriptor.fields_descriptors
 
-        entity_data = state_data.get("entity_data", {})
+        if callback_data.context == CommandContext.ENTITY_CREATE:
-
-        if callback_data.context == CommandContext.ENTITY_CREATE and not entity_data:
             stack = state_data.get("navigation_stack", [])
             prev_callback_data = ContextData.unpack(stack[-1]) if stack else None
             if (
@@ -199,15 +262,15 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                 prev_form_name = (
                     prev_callback_data.form_params.split("&")[0]
                     if prev_callback_data.form_params
-                    else "default"
+                    else None
                 )
                 prev_form_params = (
                     prev_callback_data.form_params.split("&")[1:]
                     if prev_callback_data.form_params
                     else []
                 )
-                prev_form_list = entity_descriptor.lists.get(
+                prev_form_list: EntityList = entity_descriptor.lists.get(
-                    prev_form_name or "default", entity_descriptor.default_list
+                    prev_form_name, entity_descriptor.default_list
                 )
 
                 if prev_form_list.static_filters:
@@ -228,7 +291,7 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
             ]
             and current_index < len(field_sequence) - 1
         ):
-            entity_data[field_descriptor.field_name] = value
+            # entity_data[field_descriptor.field_name] = value
             state_data.update({"entity_data": entity_data})
 
             next_field_name = field_sequence[current_index + 1]
@@ -256,7 +319,7 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
             )
 
         else:
-            entity_data[field_descriptor.field_name] = value
+            # entity_data[field_descriptor.field_name] = value
 
             # What if user has several roles and each role has its own ownership field? Should we allow creation even
             # if user has no CREATE_ALL permission
@@ -267,12 +330,39 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
             ]:
                 user_permissions = get_user_permissions(user, entity_descriptor)
 
-                for role in user.roles:
+                if entity_descriptor.rls_filters:
-                    if (
+                    filters = []
-                        role in entity_descriptor.ownership_fields
+                    if isinstance(entity_descriptor.rls_filters, Filter):
-                        and EntityPermission.CREATE_ALL not in user_permissions
+                        filters = [entity_descriptor.rls_filters]
+                    elif (
+                        isinstance(entity_descriptor.rls_filters, FilterExpression)
+                        and entity_descriptor.rls_filters.operator == "and"
+                        and all(
+                            isinstance(f, Filter)
+                            for f in entity_descriptor.rls_filters.filters
+                        )
                     ):
-                        entity_data[entity_descriptor.ownership_fields[role]] = user.id
+                        filters = entity_descriptor.rls_filters.filters
+                    filter_params = []
+                    if filters and entity_descriptor.rls_filters_params:
+                        if iscoroutinefunction(entity_descriptor.rls_filters_params):
+                            filter_params = await entity_descriptor.rls_filters_params(
+                                user
+                            )
+                        else:
+                            filter_params = entity_descriptor.rls_filters_params(user)
+
+                    for f in filters:
+                        if f.operator == "==":
+                            if isinstance(f.field, str):
+                                field_name = f.field
+                            else:
+                                field_name = f.field(entity_descriptor.type_).key
+                            entity_data[field_name] = (
+                                f.value
+                                if f.value_type == "const"
+                                else filter_params[f.param_index]
+                            )
 
             deser_entity_data = {
                 key: await deserialize(
@@ -283,20 +373,52 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                 for key, value in entity_data.items()
             }
 
+            context = BotContext(
+                db_session=db_session,
+                app=app,
+                app_state=kwargs["app_state"],
+                user=user,
+                message=message,
+            )
+
             if callback_data.context == CommandContext.ENTITY_CREATE:
                 entity_type = entity_descriptor.type_
                 user_permissions = get_user_permissions(user, entity_descriptor)
                 if (
-                    EntityPermission.CREATE not in user_permissions
+                    EntityPermission.CREATE_RLS not in user_permissions
                     and EntityPermission.CREATE_ALL not in user_permissions
                 ):
                     return await message.answer(
                         text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
                     )
 
+                new_entity = entity_type(**deser_entity_data)
+
+                can_create = True
+
+                if entity_descriptor.before_create_save:
+                    if iscoroutinefunction(entity_descriptor.before_create_save):
+                        can_create = await entity_descriptor.before_create_save(
+                            new_entity,
+                            context,
+                        )
+                    else:
+                        can_create = entity_descriptor.before_create_save(
+                            new_entity,
+                            context,
+                        )
+                    if isinstance(can_create, str):
+                        await message.answer(text=can_create, **{"show_alert": True})
+                    elif not can_create:
+                        await message.answer(
+                            text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN)),
+                            **{"show_alert": True},
+                        )
+
+                if isinstance(can_create, bool) and can_create:
                     new_entity = await entity_type.create(
                         session=db_session,
-                    obj_in=entity_type(**deser_entity_data),
+                        obj_in=new_entity,
                         commit=True,
                     )
 
@@ -304,25 +426,21 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                         if iscoroutinefunction(entity_descriptor.on_created):
                             await entity_descriptor.on_created(
                                 new_entity,
-                            EntityEventContext(
+                                context,
-                                db_session=db_session, app=app, message=message
-                            ),
                             )
                         else:
                             entity_descriptor.on_created(
                                 new_entity,
-                            EntityEventContext(
+                                context,
-                                db_session=db_session, app=app, message=message
-                            ),
                             )
 
                     form_name = (
                         callback_data.form_params.split("&")[0]
                         if callback_data.form_params
-                    else "default"
+                        else None
                     )
                     form_list = entity_descriptor.lists.get(
-                    form_name or "default", entity_descriptor.default_list
+                        form_name, entity_descriptor.default_list
                     )
 
                     state_data["navigation_context"] = ContextData(
@@ -349,15 +467,55 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                         text=(await Settings.get(Settings.APP_STRINGS_NOT_FOUND))
                     )
 
-                if not check_entity_permission(
+                if not await check_entity_permission(
-                    entity=entity, user=user, permission=EntityPermission.UPDATE
+                    entity=entity, user=user, permission=EntityPermission.UPDATE_RLS
                 ):
                     return await message.answer(
                         text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
                     )
 
+                old_values = {}
+
+                for f in entity.bot_entity_descriptor.fields_descriptors.values():
+                    value = getattr(entity, f.field_name)
+                    if isinstance(value, InstrumentedList):
+                        value = list(value)
+                    old_values[f.field_name] = value
+
+                new_values = old_values.copy()
+
                 for key, value in deser_entity_data.items():
-                    setattr(entity, key, value)
+                    new_values[
+                        entity.bot_entity_descriptor.fields_descriptors[key].field_name
+                    ] = value
+
+                can_update = True
+
+                if entity_descriptor.before_update_save:
+                    if iscoroutinefunction(entity_descriptor.before_update_save):
+                        can_update = await entity_descriptor.before_update_save(
+                            old_values,
+                            new_values,
+                            context,
+                        )
+                    else:
+                        can_update = entity_descriptor.before_update_save(
+                            old_values,
+                            new_values,
+                            context,
+                        )
+                    if isinstance(can_update, str):
+                        await message.answer(text=can_update, **{"show_alert": True})
+                    elif not can_update:
+                        await message.answer(
+                            text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN)),
+                            **{"show_alert": True},
+                        )
+
+                if isinstance(can_update, bool) and can_update:
+                    for attr in new_values:
+                        if attr != "id":
+                            setattr(entity, attr, new_values[attr])
 
                     await db_session.commit()
                     await db_session.refresh(entity)
@@ -365,18 +523,18 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                     if entity_descriptor.on_updated:
                         if iscoroutinefunction(entity_descriptor.on_updated):
                             await entity_descriptor.on_updated(
+                                old_values,
                                 entity,
-                            EntityEventContext(
+                                context,
-                                db_session=db_session, app=app, message=message
-                            ),
                             )
                         else:
                             entity_descriptor.on_updated(
+                                old_values,
                                 entity,
-                            EntityEventContext(
+                                context,
-                                db_session=db_session, app=app, message=message
-                            ),
                             )
+                else:
+                    await db_session.rollback()
 
             elif callback_data.context == CommandContext.COMMAND_FORM:
                 clear_state(state_data=state_data)
@@ -393,9 +551,8 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
 
                 cmd = app.bot_commands.get(callback_data.user_command.split("&")[0])
 
-                return await cammand_handler(message=message, cmd=cmd, **kwargs)
+                return await command_handler(message=message, cmd=cmd, **kwargs)
 
             clear_state(state_data=state_data)
 
-            # TODO: Try back=False and check if it works to navigate to newly created entity
             await route_callback(message=message, back=True, **kwargs)

src/quickbot/bot/handlers/editors/string.py

@@ -5,7 +5,7 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from logging import getLogger
 from typing import Any
 
-from ....model.descriptors import FieldDescriptor
+from ....model.descriptors import BotContext, FieldDescriptor
 from ....model.language import LanguageBase
 from ....model.settings import Settings
 from ....model.user import UserBase
@@ -74,25 +74,39 @@ async def string_editor(
 
         state_data.update({"context_data": context_data.pack()})
 
-    if _current_value:
+    if (
+        _current_value
+        and field_descriptor.show_current_value_button
+        and field_descriptor.options_custom_value
+    ):
         _current_value_caption = (
             f"{_current_value[:30]}..." if len(_current_value) > 30 else _current_value
         )
         keyboard_builder.row(
             InlineKeyboardButton(
                 text=_current_value_caption,
-                copy_text=CopyTextButton(text=_current_value),
+                copy_text=CopyTextButton(text=_current_value[:256]),
             )
         )
 
     state_data = kwargs["state_data"]
 
+    context = BotContext(
+        db_session=kwargs["db_session"],
+        app=kwargs["app"],
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
+
     await wrap_editor(
         keyboard_builder=keyboard_builder,
         field_descriptor=field_descriptor,
         callback_data=callback_data,
         state_data=state_data,
         user=user,
+        context=context,
+        entity=kwargs.get("entity_data"),
     )
 
     await state.set_data(state_data)

src/quickbot/bot/handlers/editors/wrapper.py

@@ -1,12 +1,17 @@
 from aiogram.types import InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
+from inspect import iscoroutinefunction
+from typing import Any
 
+from ....model.bot_entity import BotEntity
+from ....model.bot_enum import BotEnum
 from ....model.settings import Settings
-from ....model.descriptors import FieldDescriptor
+from ....model.descriptors import BotContext, EntityForm, FieldDescriptor
 from ....model.user import UserBase
 from ..context import ContextData, CallbackCommand, CommandContext
 from ....utils.navigation import get_navigation_context, pop_navigation_context
-from ....utils.main import build_field_sequence
+from ....utils.main import build_field_sequence, get_value_repr
+from ....utils.serialization import serialize
 
 
 async def wrap_editor(
@@ -15,6 +20,8 @@ async def wrap_editor(
     callback_data: ContextData,
     state_data: dict,
     user: UserBase,
+    context: BotContext,
+    entity: BotEntity | Any = None,
 ):
     if callback_data.context in [
         CommandContext.ENTITY_CREATE,
@@ -22,9 +29,9 @@ async def wrap_editor(
         CommandContext.ENTITY_FIELD_EDIT,
         CommandContext.COMMAND_FORM,
     ]:
-        btns = []
         show_back = True
         show_cancel = True
+
         if callback_data.context == CommandContext.COMMAND_FORM:
             field_sequence = list(field_descriptor.command.param_form.keys())
             field_index = field_sequence.index(callback_data.field_name)
@@ -34,18 +41,20 @@ async def wrap_editor(
             form_name = (
                 callback_data.form_params.split("&")[0]
                 if callback_data.form_params
-                else "default"
+                else None
             )
-            form = field_descriptor.entity_descriptor.forms.get(
+            form: EntityForm = field_descriptor.entity_descriptor.forms.get(
                 form_name, field_descriptor.entity_descriptor.default_form
             )
             if form.edit_field_sequence:
                 field_sequence = form.edit_field_sequence
             else:
-                field_sequence = build_field_sequence(
+                field_sequence = await build_field_sequence(
                     entity_descriptor=field_descriptor.entity_descriptor,
                     user=user,
                     callback_data=callback_data,
+                    state_data=state_data,
+                    context=context,
                 )
             field_index = (
                 field_sequence.index(field_descriptor.name)
@@ -54,8 +63,55 @@ async def wrap_editor(
                 else 0
             )
 
-        stack, context = get_navigation_context(state_data=state_data)
+        stack, navigation_context = get_navigation_context(state_data=state_data)
-        context = pop_navigation_context(stack)
+        navigation_context = pop_navigation_context(stack)
+
+        if not issubclass(field_descriptor.type_base, BotEnum):
+            options = []
+            if field_descriptor.options:
+                if isinstance(field_descriptor.options, list):
+                    options = field_descriptor.options
+                elif callable(field_descriptor.options):
+                    if iscoroutinefunction(field_descriptor.options):
+                        options = await field_descriptor.options(entity, context)
+                    else:
+                        options = field_descriptor.options(entity, context)
+
+            for option_row in options:
+                btns_row = []
+                for option in option_row:
+                    if isinstance(option, tuple):
+                        value = option[0]
+                        caption = option[1]
+                    else:
+                        value = option
+                        caption = await get_value_repr(
+                            value=value,
+                            field_descriptor=field_descriptor,
+                            context=context,
+                        )
+
+                    btns_row.append(
+                        InlineKeyboardButton(
+                            text=caption,
+                            callback_data=ContextData(
+                                command=CallbackCommand.FIELD_EDITOR_CALLBACK,
+                                context=callback_data.context,
+                                entity_name=callback_data.entity_name,
+                                entity_id=callback_data.entity_id,
+                                field_name=callback_data.field_name,
+                                form_params=callback_data.form_params,
+                                user_command=callback_data.user_command,
+                                data=serialize(
+                                    value=value,
+                                    field_descriptor=field_descriptor,
+                                ),
+                            ).pack(),
+                        )
+                    )
+                keyboard_builder.row(*btns_row)
+
+        btns = []
 
         if field_index > 0 and show_back:
             btns.append(
@@ -73,7 +129,10 @@ async def wrap_editor(
                 )
             )
 
-        if field_descriptor.is_optional:
+        if (
+            field_descriptor.is_optional
+            and field_descriptor.show_skip_in_editor == "Auto"
+        ):
             btns.append(
                 InlineKeyboardButton(
                     text=(await Settings.get(Settings.APP_STRINGS_SKIP_BTN)),
@@ -96,7 +155,11 @@ async def wrap_editor(
             keyboard_builder.row(
                 InlineKeyboardButton(
                     text=(await Settings.get(Settings.APP_STRINGS_CANCEL_BTN)),
-                    callback_data=context.pack(),
+                    callback_data=navigation_context.pack()
+                    if navigation_context
+                    else ContextData(
+                        command=CallbackCommand.DELETE_MESSAGE, data="clear_nav"
+                    ).pack(),
                 )
             )
 

src/quickbot/bot/handlers/forms/entity_form.py

@@ -8,23 +8,24 @@ from logging import getLogger
 from sqlmodel.ext.asyncio.session import AsyncSession
 
 from ....model.descriptors import (
+    EntityForm,
     FieldEditButton,
     CommandButton,
     InlineButton,
-    EntityEventContext,
+    BotContext,
 )
+from ....model.bot_entity import BotEntity
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ....model import EntityPermission
+from ....model.permissions import check_entity_permission
 from ....utils.main import (
-    check_entity_permission,
     get_send_message,
     clear_state,
     get_value_repr,
     get_callable_str,
     get_entity_descriptor,
     build_field_sequence,
-    get_user_permissions,
 )
 from ..context import ContextData, CallbackCommand, CommandContext
 from ....utils.navigation import (
@@ -33,7 +34,7 @@ from ....utils.navigation import (
 )
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 logger = getLogger(__name__)
@@ -49,6 +50,7 @@ async def entity_item_callback(query: CallbackQuery, **kwargs):
 
     clear_state(state_data=state_data)
     stack = save_navigation_context(callback_data=callback_data, state_data=state_data)
+    await state.set_data(state_data)
 
     await entity_item(query=query, navigation_stack=stack, **kwargs)
 
@@ -58,7 +60,7 @@ async def entity_item(
     callback_data: ContextData,
     db_session: AsyncSession,
     user: UserBase,
-    app: "QBotApp",
+    app: "QuickBot",
     navigation_stack: list[ContextData],
     **kwargs,
 ):
@@ -70,34 +72,48 @@ async def entity_item(
 
     entity_item = await entity_type.get(session=db_session, id=callback_data.entity_id)
 
-    state: FSMContext = kwargs["state"]
+    # state: FSMContext = kwargs["state"]
     state_data = kwargs["state_data"]
-    await state.set_data(state_data)
+    # await state.set_data(state_data)
 
-    if not entity_item:
+    if not entity_item and query:
         return await query.answer(
             text=(await Settings.get(Settings.APP_STRINGS_NOT_FOUND))
         )
 
     # is_owned = issubclass(entity_type, OwnedBotEntity)
 
-    if not check_entity_permission(
+    if query and not await check_entity_permission(
-        entity=entity_item, user=user, permission=EntityPermission.READ
+        entity=entity_item, user=user, permission=EntityPermission.READ_RLS
     ):
         return await query.answer(
             text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
         )
 
-    can_edit = check_entity_permission(
+    can_edit = await check_entity_permission(
-        entity=entity_item, user=user, permission=EntityPermission.UPDATE
+        entity=entity_item, user=user, permission=EntityPermission.UPDATE_RLS
     )
 
-    form = entity_descriptor.forms.get(
+    form: EntityForm = entity_descriptor.forms.get(
-        callback_data.form_params or "default", entity_descriptor.default_form
+        callback_data.form_params, entity_descriptor.default_form
     )
 
+    context = BotContext(
+        db_session=db_session,
+        app=app,
+        app_state=kwargs["app_state"],
+        user=user,
+        message=query,
+        default_handler=item_repr,
+    )
+
+    if form.before_open:
+        if iscoroutinefunction(form.before_open):
+            await form.before_open(entity_item, context)
+        else:
+            form.before_open(entity_item, context)
+
     if form.form_buttons:
-        context = EntityEventContext(db_session=db_session, app=app, message=query)
         for edit_buttons_row in form.form_buttons:
             btn_row = []
             for button in edit_buttons_row:
@@ -105,7 +121,14 @@ async def entity_item(
                     continue
 
                 if isinstance(button, FieldEditButton) and can_edit:
-                    field_name = button.field_name
+                    if isinstance(button.field, str):
+                        field_name = button.field
+                    else:
+                        field_name = button.field(entity_descriptor.type_).key
+                        for fd in entity_descriptor.fields_descriptors.values():
+                            if fd.field_name == field_name:
+                                field_name = fd.name
+                                break
                     btn_caption = button.caption
                     if field_name in entity_descriptor.fields_descriptors:
                         field_descriptor = entity_descriptor.fields_descriptors[
@@ -114,16 +137,17 @@ async def entity_item(
                         field_value = getattr(entity_item, field_descriptor.field_name)
                         if btn_caption:
                             btn_text = await get_callable_str(
-                                btn_caption, field_descriptor, entity_item, field_value
+                                callable_str=btn_caption,
+                                context=context,
+                                entity=entity_item,
                             )
                         else:
                             if field_descriptor.type_base is bool:
-                                btn_text = f"{'【✔︎】 ' if field_value else '【  】 '}{
+                                btn_text = f"{'[✓] ' if field_value else '[  ] '}{
                                     await get_callable_str(
-                                        field_descriptor.caption,
+                                        callable_str=field_descriptor.caption,
-                                        field_descriptor,
+                                        context=context,
-                                        entity_item,
+                                        descriptor=field_descriptor,
-                                        field_value,
                                     )
                                     if field_descriptor.caption
                                     else field_name
@@ -135,10 +159,9 @@ async def entity_item(
                                     else '✏️'
                                 } {
                                     await get_callable_str(
-                                        field_descriptor.caption,
+                                        callable_str=field_descriptor.caption,
-                                        field_descriptor,
+                                        context=context,
-                                        entity_item,
+                                        descriptor=field_descriptor,
-                                        field_value,
                                     )
                                     if field_descriptor.caption
                                     else field_name
@@ -160,7 +183,9 @@ async def entity_item(
                     btn_caption = button.caption
 
                     btn_text = await get_callable_str(
-                        btn_caption, entity_descriptor, entity_item
+                        callable_str=btn_caption,
+                        context=context,
+                        entity=entity_item,
                     )
 
                     if isinstance(button.command, ContextData):
@@ -202,10 +227,12 @@ async def entity_item(
         if form.edit_field_sequence:
             field_sequence = form.edit_field_sequence
         else:
-            field_sequence = build_field_sequence(
+            field_sequence = await build_field_sequence(
                 entity_descriptor=entity_descriptor,
                 user=user,
                 callback_data=callback_data,
+                state_data=state_data,
+                context=context,
             )
         edit_delete_row.append(
             InlineKeyboardButton(
@@ -222,8 +249,8 @@ async def entity_item(
         )
 
     if (
-        check_entity_permission(
+        await check_entity_permission(
-            entity=entity_item, user=user, permission=EntityPermission.DELETE
+            entity=entity_item, user=user, permission=EntityPermission.DELETE_RLS
         )
         and form.show_delete_button
     ):
@@ -243,67 +270,13 @@ async def entity_item(
         keyboard_builder.row(*edit_delete_row)
 
     if form.item_repr:
-        item_text = form.item_repr(entity_descriptor, entity_item)
+        item_text = await get_callable_str(
-    else:
+            callable_str=form.item_repr,
-        entity_caption = (
+            context=context,
-            await get_callable_str(
+            entity=entity_item,
-                entity_descriptor.full_name, entity_descriptor, entity_item
-            )
-            if entity_descriptor.full_name
-            else entity_descriptor.name
-        )
-
-        entity_item_repr = (
-            await get_callable_str(
-                entity_descriptor.item_repr, entity_descriptor, entity_item
-            )
-            if entity_descriptor.item_repr
-            else str(entity_item.id)
-        )
-
-        item_text = f"<b><u><i>{entity_caption or entity_descriptor.name}:</i></u></b> <b>{entity_item_repr}</b>"
-
-        user_permissions = get_user_permissions(user, entity_descriptor)
-
-        for field_descriptor in entity_descriptor.fields_descriptors.values():
-            if (
-                field_descriptor.is_visible is not None
-                and not field_descriptor.is_visible
-            ):
-                continue
-
-            skip = False
-
-            for own_field in entity_descriptor.ownership_fields.items():
-                if (
-                    own_field[1].rstrip("_id")
-                    == field_descriptor.field_name.rstrip("_id")
-                    and own_field[0] in user.roles
-                    and EntityPermission.READ_ALL not in user_permissions
-                ):
-                    skip = True
-                    break
-
-            if skip:
-                continue
-
-            field_caption = await get_callable_str(
-                field_descriptor.caption, field_descriptor, entity_item
-            )
-            if field_descriptor.caption_value:
-                value = await get_callable_str(
-                    field_descriptor.caption_value,
-                    field_descriptor,
-                    entity_item,
-                    getattr(entity_item, field_descriptor.field_name),
         )
     else:
-                value = await get_value_repr(
+        item_text = await item_repr(entity_item=entity_item, context=context)
-                    value=getattr(entity_item, field_descriptor.field_name),
-                    field_descriptor=field_descriptor,
-                    locale=user.lang,
-                )
-            item_text += f"\n{field_caption or field_descriptor.name}:{f' <b>{value}</b>' if value else ''}"
 
     context = pop_navigation_context(navigation_stack)
     if context:
@@ -318,6 +291,87 @@ async def entity_item(
     # state_data = kwargs["state_data"]
     # await state.set_data(state_data)
 
+    if query:
         send_message = get_send_message(query)
-
         await send_message(text=item_text, reply_markup=keyboard_builder.as_markup())
+    else:
+        await app.bot.send_message(
+            chat_id=user.id,
+            text=item_text,
+            reply_markup=keyboard_builder.as_markup(),
+        )
+
+
+async def item_repr(entity_item: BotEntity, context: BotContext):
+    entity_descriptor = entity_item.bot_entity_descriptor
+    user = context.user
+    entity_caption = (
+        await get_callable_str(
+            callable_str=entity_descriptor.full_name,
+            context=context,
+            descriptor=entity_descriptor,
+        )
+        if entity_descriptor.full_name
+        else entity_descriptor.name
+    )
+
+    entity_item_repr = (
+        await get_callable_str(
+            callable_str=entity_descriptor.item_repr,
+            context=context,
+            entity=entity_item,
+        )
+        if entity_descriptor.item_repr
+        else str(entity_item.id)
+    )
+
+    item_text = f"<b><u><i>{entity_caption or entity_descriptor.name}:</i></u></b> <b>{entity_item_repr}</b>"
+
+    # user_permissions = get_user_permissions(user, entity_descriptor)
+
+    for field_descriptor in entity_descriptor.fields_descriptors.values():
+        if (
+            isinstance(field_descriptor.is_visible, bool)
+            and not field_descriptor.is_visible
+        ):
+            continue
+
+        if callable(field_descriptor.is_visible):
+            if iscoroutinefunction(field_descriptor.is_visible):
+                field_visible = await field_descriptor.is_visible(
+                    field_descriptor, entity_item, context
+                )
+            else:
+                field_visible = field_descriptor.is_visible(
+                    field_descriptor, entity_item, context
+                )
+            if not field_visible:
+                continue
+
+        if field_descriptor.caption_value:
+            item_text += f"\n{
+                await get_callable_str(
+                    callable_str=field_descriptor.caption_value,
+                    context=context,
+                    descriptor=field_descriptor,
+                    entity=entity_item,
+                )
+            }"
+        else:
+            field_caption = (
+                await get_callable_str(
+                    callable_str=field_descriptor.caption,
+                    context=context,
+                    descriptor=field_descriptor,
+                )
+                if field_descriptor.caption
+                else field_descriptor.field_name
+            )
+            value = await get_value_repr(
+                value=getattr(entity_item, field_descriptor.field_name),
+                field_descriptor=field_descriptor,
+                context=context,
+                locale=user.lang,
+            )
+            item_text += f"\n{field_caption or field_descriptor.name}:{f' <b>{value}</b>' if value else ''}"
+    return item_text

src/quickbot/bot/handlers/forms/entity_form_callbacks.py

@@ -6,21 +6,21 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from sqlmodel.ext.asyncio.session import AsyncSession
 from typing import TYPE_CHECKING
 
-from quickbot.model.descriptors import EntityEventContext
+from quickbot.model.descriptors import BotContext
 
 from ..context import ContextData, CallbackCommand
 from ....model.user import UserBase
 from ....model.settings import Settings
 from ....model import EntityPermission
+from ....model.permissions import check_entity_permission
 from ....utils.main import (
-    check_entity_permission,
     get_entity_item_repr,
     get_entity_descriptor,
 )
 from ..common.routing import route_callback
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 router = Router()
@@ -31,7 +31,7 @@ async def entity_delete_callback(query: CallbackQuery, **kwargs):
     callback_data: ContextData = kwargs["callback_data"]
     user: UserBase = kwargs["user"]
     db_session: AsyncSession = kwargs["db_session"]
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
     state: FSMContext = kwargs["state"]
     state_data = await state.get_data()
     kwargs["state_data"] = state_data
@@ -42,32 +42,64 @@ async def entity_delete_callback(query: CallbackQuery, **kwargs):
         session=db_session, id=int(callback_data.entity_id)
     )
 
-    if not check_entity_permission(
+    if not await check_entity_permission(
-        entity=entity, user=user, permission=EntityPermission.DELETE
+        entity=entity, user=user, permission=EntityPermission.DELETE_RLS
     ):
         return await query.answer(
             text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
         )
 
-    if callback_data.data == "yes":
+    context = BotContext(
-        entity = await entity_descriptor.type_.remove(
+        db_session=db_session,
-            session=db_session, id=int(callback_data.entity_id), commit=True
+        app=app,
+        app_state=kwargs["app_state"],
+        user=user,
+        message=query,
     )
 
-        if entity_descriptor.on_deleted:
+    if callback_data.data == "yes":
-            if iscoroutinefunction(entity_descriptor.on_created):
+        can_delete = True
-                await entity_descriptor.on_deleted(
+
+        if entity_descriptor.before_delete:
+            if iscoroutinefunction(entity_descriptor.before_delete):
+                can_delete = await entity_descriptor.before_delete(
                     entity,
-                    EntityEventContext(db_session=db_session, app=app, message=query),
+                    context,
                 )
             else:
-                entity_descriptor.on_deleted(
+                can_delete = entity_descriptor.before_delete(
                     entity,
-                    EntityEventContext(db_session=db_session, app=app, message=query),
+                    context,
+                )
+            if isinstance(can_delete, str):
+                await query.answer(text=can_delete, show_alert=True)
+            elif not can_delete:
+                await query.answer(
+                    text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN)),
+                    show_alert=True,
+                )
+
+        if isinstance(can_delete, bool) and can_delete:
+            await db_session.delete(entity)
+            await db_session.commit()
+
+            if entity_descriptor.on_updated:
+                if iscoroutinefunction(entity_descriptor.on_updated):
+                    await entity_descriptor.on_updated(
+                        entity,
+                        context,
+                    )
+                else:
+                    entity_descriptor.on_updated(
+                        entity,
+                        context,
                     )
 
             await route_callback(message=query, **kwargs)
 
+        else:
+            await route_callback(message=query, back=False, **kwargs)
+
     elif not callback_data.data:
         entity = await entity_descriptor.type_.get(
             session=db_session, id=int(callback_data.entity_id)
@@ -76,7 +108,12 @@ async def entity_delete_callback(query: CallbackQuery, **kwargs):
         return await query.message.edit_text(
             text=(
                 await Settings.get(Settings.APP_STRINGS_CONFIRM_DELETE_P_NAME)
-            ).format(name=await get_entity_item_repr(entity=entity)),
+            ).format(
+                name=await get_entity_item_repr(
+                    entity=entity,
+                    context=context,
+                )
+            ),
             reply_markup=InlineKeyboardBuilder()
             .row(
                 InlineKeyboardButton(

src/quickbot/bot/handlers/forms/entity_list.py

@@ -10,7 +10,11 @@ from ....model.bot_entity import BotEntity
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ....model.view_setting import ViewSetting
-from ....model.descriptors import EntityDescriptor, Filter
+from ....model.descriptors import (
+    BotContext,
+    EntityForm,
+    EntityList,
+)
 from ....model import EntityPermission
 from ....utils.main import (
     get_user_permissions,
@@ -19,15 +23,15 @@ from ....utils.main import (
     get_entity_descriptor,
     get_callable_str,
     build_field_sequence,
+    prepare_static_filter,
 )
-from ....utils.serialization import deserialize
 from ..context import ContextData, CallbackCommand, CommandContext
 from ..common.pagination import add_pagination_controls
 from ..common.filtering import add_filter_controls
 from ....utils.navigation import pop_navigation_context, save_navigation_context
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 logger = getLogger(__name__)
@@ -47,6 +51,7 @@ async def entity_list_callback(query: CallbackQuery, **kwargs):
 
     clear_state(state_data=state_data)
     stack = save_navigation_context(callback_data=callback_data, state_data=state_data)
+    await state.set_data(state_data)
 
     await entity_list(message=query, navigation_stack=stack, **kwargs)
 
@@ -55,43 +60,12 @@ def calc_total_pages(items_count: int, page_size: int) -> int:
     return max(items_count // page_size + (1 if items_count % page_size else 0), 1)
 
 
-async def _prepare_static_filter(
-    db_session: AsyncSession,
-    entity_descriptor: EntityDescriptor,
-    static_filters: list[Filter],
-    params: list[str],
-) -> list[Filter]:
-    return (
-        [
-            Filter(
-                field_name=f.field_name,
-                operator=f.operator,
-                value_type="const",
-                value=(
-                    f.value
-                    if f.value_type == "const"
-                    else await deserialize(
-                        session=db_session,
-                        type_=entity_descriptor.fields_descriptors[
-                            f.field_name
-                        ].type_base,
-                        value=params[f.param_index],
-                    )
-                ),
-            )
-            for f in static_filters
-        ]
-        if static_filters
-        else None
-    )
-
-
 async def entity_list(
     message: CallbackQuery | Message,
     callback_data: ContextData,
     db_session: AsyncSession,
     user: UserBase,
-    app: "QBotApp",
+    app: "QuickBot",
     navigation_stack: list[ContextData],
     **kwargs,
 ):
@@ -103,27 +77,36 @@ async def entity_list(
     form_params = (
         callback_data.form_params.split("&") if callback_data.form_params else []
     )
-    form_name = form_params.pop(0) if form_params else "default"
+    form_name = form_params.pop(0) if form_params else None
-    form_list = entity_descriptor.lists.get(
+    form_list: EntityList = entity_descriptor.lists.get(
-        form_name or "default", entity_descriptor.default_list
+        form_name, entity_descriptor.default_list
     )
-    form_item = entity_descriptor.forms.get(
+    form_item: EntityForm = entity_descriptor.forms.get(
-        form_list.item_form or "default", entity_descriptor.default_form
+        form_list.item_form, entity_descriptor.default_form
     )
 
     keyboard_builder = InlineKeyboardBuilder()
+    context = BotContext(
+        db_session=db_session,
+        app=app,
+        app_state=kwargs["app_state"],
+        user=user,
+        message=message,
+    )
 
     if (
-        EntityPermission.CREATE in user_permissions
+        EntityPermission.CREATE_RLS in user_permissions
         or EntityPermission.CREATE_ALL in user_permissions
     ) and form_list.show_add_new_button:
         if form_item.edit_field_sequence:
             field_sequence = form_item.edit_field_sequence
         else:
-            field_sequence = build_field_sequence(
+            field_sequence = await build_field_sequence(
                 entity_descriptor=entity_descriptor,
                 user=user,
                 callback_data=callback_data,
+                state_data=kwargs["state_data"],
+                context=context,
             )
         keyboard_builder.row(
             InlineKeyboardButton(
@@ -153,14 +136,14 @@ async def entity_list(
     )
     if (
         list_all
-        or EntityPermission.LIST in user_permissions
+        or EntityPermission.LIST_RLS in user_permissions
-        or EntityPermission.READ in user_permissions
+        or EntityPermission.READ_RLS in user_permissions
     ):
         if form_list.pagination:
             page_size = await Settings.get(Settings.PAGE_SIZE)
             items_count = await entity_type.get_count(
                 session=db_session,
-                static_filter=await _prepare_static_filter(
+                static_filter=await prepare_static_filter(
                     db_session=db_session,
                     entity_descriptor=entity_descriptor,
                     static_filters=form_list.static_filters,
@@ -181,7 +164,7 @@ async def entity_list(
         items = await entity_type.get_multi(
             session=db_session,
             order_by=form_list.order_by,
-            static_filter=await _prepare_static_filter(
+            static_filter=await prepare_static_filter(
                 db_session=db_session,
                 entity_descriptor=entity_descriptor,
                 static_filters=form_list.static_filters,
@@ -200,19 +183,31 @@ async def entity_list(
         page = 1
 
     for item in items:
+        caption = None
+
         if form_list.item_repr:
-            caption = form_list.item_repr(entity_descriptor, item)
+            caption = await get_callable_str(
+                callable_str=form_list.item_repr,
+                context=context,
+                entity=item,
+            )
         elif entity_descriptor.item_repr:
-            caption = entity_descriptor.item_repr(entity_descriptor, item)
+            caption = await get_callable_str(
+                callable_str=entity_descriptor.item_repr,
+                context=context,
+                entity=item,
+            )
         elif entity_descriptor.full_name:
             caption = f"{
                 await get_callable_str(
                     callable_str=entity_descriptor.full_name,
+                    context=context,
                     descriptor=entity_descriptor,
                     entity=item,
                 )
             }: {item.id}"
-        else:
+
+        if not caption:
             caption = f"{entity_descriptor.name}: {item.id}"
 
         keyboard_builder.row(
@@ -240,35 +235,48 @@ async def entity_list(
         await add_filter_controls(
             keyboard_builder=keyboard_builder,
             entity_descriptor=entity_descriptor,
+            context=context,
             filter=entity_filter,
             filtering_fields=form_list.filtering_fields,
         )
 
-    context = pop_navigation_context(navigation_stack)
+    navigation_context = pop_navigation_context(navigation_stack)
-    if context:
+    if navigation_context:
         keyboard_builder.row(
             InlineKeyboardButton(
                 text=(await Settings.get(Settings.APP_STRINGS_BACK_BTN)),
-                callback_data=context.pack(),
+                callback_data=navigation_context.pack(),
             )
         )
 
     if form_list.caption:
-        entity_text = await get_callable_str(form_list.caption, entity_descriptor)
+        entity_text = await get_callable_str(
+            callable_str=form_list.caption,
+            context=context,
+            descriptor=entity_descriptor,
+        )
     else:
         if entity_descriptor.full_name_plural:
             entity_text = await get_callable_str(
-                entity_descriptor.full_name_plural, entity_descriptor
+                callable_str=entity_descriptor.full_name_plural,
+                context=context,
+                descriptor=entity_descriptor,
             )
         else:
             entity_text = entity_descriptor.name
 
-        if entity_descriptor.description:
+        if entity_descriptor.ui_description:
-            entity_text = f"{entity_text} {await get_callable_str(entity_descriptor.description, entity_descriptor)}"
+            entity_text = f"{entity_text} {
+                await get_callable_str(
+                    callable_str=entity_descriptor.ui_description,
+                    context=context,
+                    descriptor=entity_descriptor,
+                )
+            }"
 
-    state: FSMContext = kwargs["state"]
+    # state: FSMContext = kwargs["state"]
-    state_data = kwargs["state_data"]
+    # state_data = kwargs["state_data"]
-    await state.set_data(state_data)
+    # await state.set_data(state_data)
 
     send_message = get_send_message(message)
 

src/quickbot/bot/handlers/menu/entities.py

@@ -2,17 +2,17 @@ from aiogram import Router, F
 from aiogram.fsm.context import FSMContext
 from aiogram.types import Message, CallbackQuery, InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
-from babel.support import LazyProxy
 from logging import getLogger
 from typing import TYPE_CHECKING
+
+from quickbot.model.descriptors import BotContext
 from ....model.settings import Settings
 from ..context import ContextData, CallbackCommand
-from ....utils.main import get_send_message
+from ....utils.main import get_send_message, get_callable_str
-from ....model.descriptors import EntityCaptionCallable
 from ....utils.navigation import save_navigation_context, pop_navigation_context
 
 if TYPE_CHECKING:
-    from ....main import QBotApp
+    from ....main import QuickBot
 
 
 logger = getLogger(__name__)
@@ -35,23 +35,33 @@ async def menu_entry_entities(message: CallbackQuery, **kwargs):
 
 async def entities_menu(
     message: Message | CallbackQuery,
-    app: "QBotApp",
+    app: "QuickBot",
     state: FSMContext,
     navigation_stack: list[ContextData],
     **kwargs,
 ):
     keyboard_builder = InlineKeyboardBuilder()
 
-    entity_metadata = app.entity_metadata
+    entity_metadata = app.bot_metadata
 
     for entity in entity_metadata.entity_descriptors.values():
         if entity.show_in_entities_menu:
-            if entity.full_name_plural.__class__ == EntityCaptionCallable:
+            if entity.full_name_plural:
-                caption = entity.full_name_plural(entity) or entity.name
+                caption = await get_callable_str(
-            elif entity.full_name_plural.__class__ == LazyProxy:
+                    callable_str=entity.full_name_plural,
-                caption = f"{f'{entity.icon} ' if entity.icon else ''}{entity.full_name_plural.value or entity.name}"
+                    context=BotContext(
+                        db_session=kwargs["db_session"],
+                        app=app,
+                        app_state=kwargs["app_state"],
+                        user=kwargs["user"],
+                        message=message,
+                    ),
+                    descriptor=entity,
+                )
             else:
-                caption = f"{f'{entity.icon} ' if entity.icon else ''}{entity.full_name_plural or entity.name}"
+                caption = entity.name
+
+            caption = f"{f'{entity.icon} ' if entity.icon else ''}{caption}"
 
             keyboard_builder.row(
                 InlineKeyboardButton(

src/quickbot/bot/handlers/menu/language.py

@@ -15,7 +15,6 @@ from ....model.language import LanguageBase
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ..context import ContextData, CallbackCommand
-from ..common.routing import route_callback
 from ....utils.main import get_send_message
 
 
@@ -94,3 +93,6 @@ async def set_language(message: CallbackQuery, **kwargs):
     i18n: I18n = kwargs["i18n"]
     with i18n.use_locale(user.lang.value):
         await route_callback(message, **kwargs)
+
+
+from ..common.routing import route_callback  # noqa: E402

src/quickbot/bot/handlers/menu/parameters.py

@@ -4,6 +4,8 @@ from aiogram.types import Message, CallbackQuery, InlineKeyboardButton
 from aiogram.utils.keyboard import InlineKeyboardBuilder
 from logging import getLogger
 
+from quickbot.model.descriptors import BotContext
+
 from ....model.settings import Settings
 from ....model.user import UserBase
 from ..context import ContextData, CallbackCommand, CommandContext
@@ -53,22 +55,35 @@ async def parameters_menu(
         if not key.is_visible:
             continue
 
+        context = BotContext(
+            db_session=kwargs["db_session"],
+            app=kwargs["app"],
+            app_state=kwargs["app_state"],
+            user=user,
+            message=message,
+        )
+
         if key.caption_value:
             caption = await get_callable_str(
-                callable_str=key.caption_value, descriptor=key, entity=None, value=value
+                callable_str=key.caption_value,
+                context=context,
+                descriptor=key,
+                entity={key.field_name: value},
             )
         else:
             if key.caption:
                 caption = await get_callable_str(
-                    callable_str=key.caption, descriptor=key, entity=None, value=value
+                    callable_str=key.caption,
+                    context=context,
+                    descriptor=key,
                 )
             else:
                 caption = key.name
 
             if key.type_ is bool:
-                caption = f"{'【✔︎】' if value else '【  】'} {caption}"
+                caption = f"{'[✓]' if value else '[  ]'} {caption}"
             else:
-                caption = f"{caption}: {await get_value_repr(value=value, field_descriptor=key, locale=user.lang)}"
+                caption = f"{caption}: {await get_value_repr(value=value, field_descriptor=key, context=context, locale=user.lang)}"
 
         keyboard_builder.row(
             InlineKeyboardButton(

src/quickbot/bot/handlers/start.py

@@ -5,7 +5,7 @@ from aiogram.types import Message
 from logging import getLogger
 from sqlmodel.ext.asyncio.session import AsyncSession
 
-from ...main import QBotApp
+from ...main import QuickBot
 from ...model.settings import Settings
 from ...model.language import LanguageBase
 from ...model.user import UserBase
@@ -18,24 +18,27 @@ router = Router()
 
 @router.message(CommandStart())
 async def start(message: Message, **kwargs):
-    app: QBotApp = kwargs["app"]
+    app: QuickBot = kwargs["app"]
+    state: FSMContext = kwargs["state"]
+
+    state_data = await state.get_data()
+    clear_state(state_data=state_data, clear_nav=True)
 
     if app.start_handler:
         await app.start_handler(default_start_handler, message, **kwargs)
     else:
         await default_start_handler(message, **kwargs)
 
+    await state.set_data(state_data)
+
 
 async def default_start_handler[UserType: UserBase](
     message: Message,
     db_session: AsyncSession,
-    app: QBotApp,
+    app: QuickBot,
     state: FSMContext,
     **kwargs,
 ) -> tuple[UserType, bool]:
-    state_data = await state.get_data()
-    clear_state(state_data=state_data, clear_nav=True)
-
     User = app.user_class
 
     user = await User.get(session=db_session, id=message.from_user.id)
@@ -52,7 +55,7 @@ async def default_start_handler[UserType: UserBase](
             ]:
                 lang = LanguageBase(message.from_user.language_code)
             else:
-                lang = LanguageBase.EN
+                lang = LanguageBase.DEFAULT
 
             user = await User.create(
                 session=db_session,

src/quickbot/bot/handlers/user_handlers/command_handler.py

@@ -0,0 +1,123 @@
+from aiogram.fsm.context import FSMContext
+from aiogram.types import Message, CallbackQuery, InlineKeyboardButton
+from inspect import iscoroutinefunction
+from typing import TYPE_CHECKING
+
+from quickbot.utils.main import clear_state
+from quickbot.utils.navigation import (
+    get_navigation_context,
+    pop_navigation_context,
+)
+from quickbot.bot.handlers.editors.main import field_editor
+from quickbot.utils.serialization import deserialize
+from quickbot.utils.main import get_send_message
+from quickbot.model.descriptors import BotCommand, CommandCallbackContext
+from quickbot.model.settings import Settings
+
+if TYPE_CHECKING:
+    from quickbot.main import QuickBot
+    from quickbot.model.user import UserBase
+
+from ..context import ContextData, CallbackCommand, CommandContext
+
+
+async def command_handler(message: Message | CallbackQuery, cmd: BotCommand, **kwargs):
+    callback_data: ContextData = kwargs["callback_data"]
+    state: FSMContext = kwargs["state"]
+    state_data: dict = kwargs["state_data"]
+    app: "QuickBot" = kwargs["app"]
+    user: "UserBase" = kwargs["user"]
+
+    entity_data_dict: dict = state_data.get("entity_data")
+    form_data = (
+        {
+            key: await deserialize(
+                session=kwargs["db_session"],
+                type_=cmd.param_form[key].type_,
+                value=value,
+            )
+            for key, value in entity_data_dict.items()
+        }
+        if entity_data_dict and cmd.param_form
+        else None
+    )
+
+    callback_context = CommandCallbackContext(
+        message=message,
+        callback_data=callback_data,
+        form_data=form_data,
+        db_session=kwargs["db_session"],
+        user=user,
+        app=app,
+        app_state=kwargs["app_state"],
+        state_data=state_data,
+        state=state,
+        i18n=kwargs["i18n"],
+        register_navigation=cmd.register_navigation,
+        clear_navigation=cmd.clear_navigation,
+        kwargs=kwargs,
+    )
+
+    if cmd.pre_check and (not cmd.param_form or (cmd.param_form and form_data is None)):
+        if iscoroutinefunction(cmd.pre_check):
+            if not await cmd.pre_check(callback_context):
+                return
+        else:
+            if not cmd.pre_check(callback_context):
+                return
+
+    if form_data is None and cmd.param_form:
+        field_descriptor = list(cmd.param_form.values())[0]
+        kwargs["callback_data"] = ContextData(
+            command=CallbackCommand.FIELD_EDITOR,
+            context=CommandContext.COMMAND_FORM,
+            field_name=field_descriptor.name,
+            user_command=callback_data.user_command,
+        )
+
+        return await field_editor(message=message, **kwargs)
+
+    await cmd.handler(callback_context)
+
+    if callback_context.register_navigation:
+        await state.set_data(state_data)
+
+        stack, navigation_context = get_navigation_context(state_data=state_data)
+        back_callback_data = pop_navigation_context(stack=stack)
+        if back_callback_data:
+            callback_context.keyboard_builder.row(
+                InlineKeyboardButton(
+                    text=(await Settings.get(Settings.APP_STRINGS_BACK_BTN)),
+                    callback_data=back_callback_data.pack(),
+                )
+            )
+    if message:
+        send_message = get_send_message(message)
+
+        if callback_context.message_text:
+            await send_message(
+                text=callback_context.message_text,
+                reply_markup=callback_context.keyboard_builder.as_markup(),
+            )
+        elif isinstance(message, CallbackQuery):
+            await message.message.edit_reply_markup(
+                reply_markup=callback_context.keyboard_builder.as_markup()
+            )
+    else:
+        if callback_context.message_text:
+            await app.bot.send_message(
+                chat_id=user.id,
+                text=callback_context.message_text,
+                reply_markup=callback_context.keyboard_builder.as_markup(),
+            )
+
+    if not callback_context.register_navigation:
+        if callback_context.clear_navigation:
+            clear_state(state_data=state_data, clear_nav=True)
+            await state.set_data(state_data)
+        else:
+            clear_state(state_data=state_data)
+            await route_callback(message, back=True, **kwargs)
+
+
+from quickbot.bot.handlers.common.routing import route_callback  # noqa: E402

src/quickbot/bot/handlers/user_handlers/main.py

@@ -1,27 +1,16 @@
 from aiogram import Router, F
 from aiogram.fsm.context import FSMContext
-from aiogram.types import Message, CallbackQuery, InlineKeyboardButton
+from aiogram.types import Message, CallbackQuery
-from inspect import iscoroutinefunction
 from typing import TYPE_CHECKING
 
 from quickbot.utils.main import clear_state
-from quickbot.utils.navigation import (
+from quickbot.utils.navigation import save_navigation_context
-    save_navigation_context,
-    get_navigation_context,
-    pop_navigation_context,
-)
-from quickbot.bot.handlers.editors.main import field_editor
-from quickbot.bot.handlers.common.routing import route_callback
-from quickbot.utils.serialization import deserialize
-from quickbot.utils.main import get_send_message
-from quickbot.model.descriptors import BotCommand, CommandCallbackContext
-from quickbot.model.settings import Settings
 
 if TYPE_CHECKING:
-    from quickbot.main import QBotApp
+    from quickbot.main import QuickBot
-
-from ..context import ContextData, CallbackCommand, CommandContext
 
+from ..context import ContextData, CallbackCommand
+from .command_handler import command_handler
 
 router = Router()
 
@@ -54,7 +43,7 @@ async def command_callback(message: CallbackQuery, **kwargs):
 async def process_command_handler(message: Message | CallbackQuery, **kwargs):
     state_data: dict = kwargs["state_data"]
     callback_data: ContextData = kwargs["callback_data"]
-    app: "QBotApp" = kwargs["app"]
+    app: "QuickBot" = kwargs["app"]
     cmd = app.bot_commands.get(callback_data.user_command.split("&")[0])
 
     if cmd is None:
@@ -68,92 +57,4 @@ async def process_command_handler(message: Message | CallbackQuery, **kwargs):
         clear_state(state_data=state_data)
         save_navigation_context(callback_data=callback_data, state_data=state_data)
 
-    await cammand_handler(message=message, cmd=cmd, **kwargs)
+    await command_handler(message=message, cmd=cmd, **kwargs)
-
-
-async def cammand_handler(message: Message | CallbackQuery, cmd: BotCommand, **kwargs):
-    callback_data: ContextData = kwargs["callback_data"]
-    state: FSMContext = kwargs["state"]
-    state_data: dict = kwargs["state_data"]
-    app: "QBotApp" = kwargs["app"]
-
-    entity_data_dict: dict = state_data.get("entity_data")
-    form_data = (
-        {
-            key: await deserialize(
-                session=kwargs["db_session"],
-                type_=cmd.param_form[key].type_,
-                value=value,
-            )
-            for key, value in entity_data_dict.items()
-        }
-        if entity_data_dict and cmd.param_form
-        else None
-    )
-
-    callback_context = CommandCallbackContext(
-        message=message,
-        callback_data=callback_data,
-        form_data=form_data,
-        db_session=kwargs["db_session"],
-        user=kwargs["user"],
-        app=app,
-        state_data=state_data,
-        state=state,
-        i18n=kwargs["i18n"],
-        register_navigation=cmd.register_navigation,
-        kwargs=kwargs,
-    )
-
-    if cmd.pre_check and (not cmd.param_form or (cmd.param_form and form_data is None)):
-        if iscoroutinefunction(cmd.pre_check):
-            if not await cmd.pre_check(callback_context):
-                return
-        else:
-            if not cmd.pre_check(callback_context):
-                return
-
-    if form_data is None and cmd.param_form:
-        field_descriptor = list(cmd.param_form.values())[0]
-        kwargs["callback_data"] = ContextData(
-            command=CallbackCommand.FIELD_EDITOR,
-            context=CommandContext.COMMAND_FORM,
-            field_name=field_descriptor.name,
-            user_command=callback_data.user_command,
-        )
-
-        return await field_editor(message=message, **kwargs)
-
-    await cmd.handler(callback_context)
-
-    if callback_context.register_navigation:
-        await state.set_data(state_data)
-
-        stack, navigation_context = get_navigation_context(state_data=state_data)
-        back_callback_data = pop_navigation_context(stack=stack)
-        if back_callback_data:
-            callback_context.keyboard_builder.row(
-                InlineKeyboardButton(
-                    text=(await Settings.get(Settings.APP_STRINGS_BACK_BTN)),
-                    callback_data=back_callback_data.pack(),
-                )
-            )
-
-        send_message = get_send_message(message)
-
-        if isinstance(message, CallbackQuery):
-            message = message.message
-
-        if callback_context.message_text:
-            await send_message(
-                text=callback_context.message_text,
-                reply_markup=callback_context.keyboard_builder.as_markup(),
-            )
-        else:
-            await message.edit_reply_markup(
-                reply_markup=callback_context.keyboard_builder.as_markup()
-            )
-
-    else:
-        clear_state(state_data=state_data)
-        await route_callback(message, back=True, **kwargs)

src/quickbot/config/__init__.py

@@ -9,6 +9,8 @@ class Config(BaseSettings):
         env_file=".env", env_ignore_empty=True, extra="ignore"
     )
 
+    STACK_NAME: str = "quickbot"
+
     SECRET_KEY: str = "changethis"
 
     ENVIRONMENT: Literal["local", "staging", "production"] = "local"
@@ -27,36 +29,35 @@ class Config(BaseSettings):
     API_PORT: int = 8000
 
     TELEGRAM_WEBHOOK_DOMAIN: str = "localhost"
-    TELEGRAM_WEBHOOK_SHEME: str = "https"
+    TELEGRAM_WEBHOOK_SCHEME: str = "https"
     TELEGRAM_WEBHOOK_PORT: int = 443
 
     @property
     def TELEGRAM_WEBHOOK_URL(self) -> str:
-        return f"{self.TELEGRAM_WEBHOOK_SHEME}://{self.TELEGRAM_WEBHOOK_DOMAIN}{
+        return f"{self.TELEGRAM_WEBHOOK_SCHEME}://{self.TELEGRAM_WEBHOOK_DOMAIN}{
             f':{self.TELEGRAM_WEBHOOK_PORT}'
             if (
                 (
                     self.TELEGRAM_WEBHOOK_PORT != 80
-                    and self.TELEGRAM_WEBHOOK_SHEME == 'http'
+                    and self.TELEGRAM_WEBHOOK_SCHEME == 'http'
                 )
                 or (
                     self.TELEGRAM_WEBHOOK_PORT != 443
-                    and self.TELEGRAM_WEBHOOK_SHEME == 'https'
+                    and self.TELEGRAM_WEBHOOK_SCHEME == 'https'
                 )
             )
             else ''
         }"
 
+    TELEGRAM_WEBHOOK_AUTH_KEY: str = "changethis"
+
+    TELEGRAM_BOT_USERNAME: str = "quickbot"
     TELEGRAM_BOT_SERVER: str = "https://api.telegram.org"
     TELEGRAM_BOT_SERVER_IS_LOCAL: bool = False
     TELEGRAM_BOT_TOKEN: str = "changethis"
 
     ADMIN_TELEGRAM_ID: int
 
-    USE_NGROK: bool = False
-    NGROK_AUTH_TOKEN: str = "changethis"
-    NGROK_URL: str = ""
-
     LOG_LEVEL: str = "DEBUG"
 
     def _check_default_secret(self, var_name: str, value: str | None) -> None:
@@ -75,8 +76,6 @@ class Config(BaseSettings):
         self._check_default_secret("SECRET_KEY", self.SECRET_KEY)
         self._check_default_secret("DB_PASSWORD", self.DB_PASSWORD)
         self._check_default_secret("TELEGRAM_BOT_TOKEN", self.TELEGRAM_BOT_TOKEN)
-        if self.USE_NGROK:
-            self._check_default_secret("NGROK_AUTH_TOKEN", self.NGROK_AUTH_TOKEN)
 
         return self
 

src/quickbot/db/__init__.py

@@ -1,19 +1,16 @@
 from sqlmodel.ext.asyncio.session import AsyncSession
 from sqlalchemy.ext.asyncio import create_async_engine
 from sqlalchemy.orm import sessionmaker
+from typing import AsyncGenerator
 
 from ..config import config
 
-# import logging
+async_engine = create_async_engine(config.DATABASE_URI, pool_size=20, max_overflow=60)
-# logger = logging.getLogger('sqlalchemy.engine')
-# logger.setLevel(logging.DEBUG)
-
-async_engine = create_async_engine(config.DATABASE_URI)
 async_session = sessionmaker[AsyncSession](
     async_engine, class_=AsyncSession, expire_on_commit=False
 )
 
 
-async def get_db() -> AsyncSession:  # type: ignore
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
     async with async_session() as session:
         yield session

src/quickbot/i18n/__init__.py

@@ -0,0 +1,40 @@
+import gettext as gt
+import os
+from contextlib import contextmanager
+
+
+def get_translator(language, domain, localedir):
+    return gt.translation(domain, localedir, languages=[language])
+
+
+def gettext(message: str) -> str:
+    return gt.gettext(message)
+
+
+def get_local_text(message: str, locale: str) -> str:
+    return translators[locale].gettext(message)
+
+
+@contextmanager
+def use_locale(locale: str):
+    original_gettext = gt.gettext
+    gt.gettext = translators[locale].gettext
+    try:
+        yield
+    finally:
+        gt.gettext = original_gettext
+
+
+locales_dir = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, "locales")
+
+locales = [
+    locale
+    for locale in os.listdir(locales_dir)
+    if os.path.isdir(os.path.join(locales_dir, locale))
+]
+
+translators = {
+    locale: get_translator(locale, "messages", locales_dir)
+    for locale in os.listdir(locales_dir)
+    if os.path.isdir(os.path.join(locales_dir, locale))
+}

src/quickbot/main.py

@@ -1,5 +1,21 @@
+"""
+main.py - QuickBot RAD Framework Main Application Module
+
+Defines QuickBot, the main entry point for the QuickBot rapid application development (RAD) framework for Telegram bots.
+Integrates FastAPI (HTTP API), Aiogram (Telegram bot logic), SQLModel (async DB), and i18n (internationalization).
+
+Key Features:
+- Dynamic registration of CRUD API endpoints for all entities
+- Telegram bot command and webhook management
+- Row-level security (RLS) and user management
+- Middleware for authentication and localization
+- Swagger UI with Telegram login integration
+"""
+
 from contextlib import asynccontextmanager
-from typing import Callable, Any
+from inspect import iscoroutinefunction
+from typing import Union
+from typing import Annotated, Callable, Any, Generic, TypeVar
 from aiogram import Bot, Dispatcher
 from aiogram.client.session.aiohttp import AiohttpSession
 from aiogram.client.telegram import TelegramAPIServer
@@ -7,33 +23,60 @@ from aiogram.client.default import DefaultBotProperties
 from aiogram.types import Message, BotCommand as AiogramBotCommand
 from aiogram.utils.callback_answer import CallbackAnswerMiddleware
 from aiogram.utils.i18n import I18n
-from fastapi import FastAPI
+from fastapi import Depends, FastAPI, Request, Body, Path, HTTPException
 from fastapi.applications import Lifespan, AppType
-from secrets import token_hex
+from fastapi.datastructures import State
 from logging import getLogger
+from fastapi.responses import HTMLResponse, JSONResponse
+from fastapi.openapi.utils import get_openapi
+from sqlmodel.ext.asyncio.session import AsyncSession
+
+from quickbot.bot.handlers.user_handlers.main import command_handler
+from quickbot.db import get_db
+from quickbot.model.list_schema import ListSchema
+from quickbot.plugin import Registerable
+from quickbot.utils.main import clear_state
+from quickbot.utils.navigation import save_navigation_context
+from quickbot.model.crud_service import NotFoundError, ForbiddenError
 
 from .config import Config
+from .bot.handlers.forms.entity_form import entity_item
 from .fsm.db_storage import DbStorage
 from .middleware.telegram import AuthMiddleware, I18nMiddleware
+from .model.bot_entity import BotEntity
 from .model.user import UserBase
-from .model.entity_metadata import EntityMetadata
+from .model.bot_metadata import BotMetadata
-from .model.descriptors import BotCommand
+from .model.descriptors import (
+    BotCommand,
+    EntityDescriptor,
+    ProcessDescriptor,
+    BotContext,
+)
+from .model.crud_command import CrudCommand
+from .bot.handlers.context import CallbackCommand, ContextData
 from .router import Router
+from .api_route.models import list_entity_items, get_me
+from .api_route.depends import get_current_user
 
 
 logger = getLogger(__name__)
 
+UserType = TypeVar("UserType", bound=UserBase, default=UserBase)
+ConfigType = TypeVar("ConfigType", bound=Config, default=Config)
+
 
 @asynccontextmanager
-async def default_lifespan(app: "QBotApp"):
+async def default_lifespan(app: "QuickBot"):
     logger.debug("starting qbot app")
 
     if app.lifespan_bot_init:
-        if app.config.USE_NGROK:
-            app.ngrok_init()
-
         await app.bot_init()
 
+    if app.lifespan_set_webhook:
+        await app.set_webhook()
+
+    app.config.TELEGRAM_BOT_USERNAME = (await app.bot.get_me()).username
+
     logger.info("qbot app started")
 
     if app.lifespan:
@@ -42,26 +85,31 @@ async def default_lifespan(app: "QBotApp"):
     else:
         yield
 
-    logger.info("stopping qbot app")
-
-    if app.lifespan_bot_init:
-        await app.bot_close()
-
-        if app.config.USE_NGROK:
-            app.ngrok_stop()
-
     logger.info("qbot app stopped")
 
 
-class QBotApp[UserType: UserBase](FastAPI):
+class QuickBot(Generic[UserType, ConfigType], FastAPI):
     """
-    Main class for the QBot application
+    Main application class for QuickBot RAD framework.
+
+    Integrates FastAPI, Aiogram, SQLModel, and i18n for rapid Telegram bot development.
+    Handles bot initialization, API registration, command routing, and RLS.
+
+    Args:
+        config: App configuration (see quickbot/config.py)
+        user_class: User model class (subclass of UserBase)
+        bot_start: Optional custom bot start handler
+        lifespan: Optional FastAPI lifespan context
+        lifespan_bot_init: Whether to run bot init on startup
+        lifespan_set_webhook: Whether to set webhook on startup
+        webhook_handler: Optional custom webhook handler
+        allowed_updates: List of Telegram update types to allow
     """
 
     def __init__(
         self,
-        user_class: UserType = None,
+        config: ConfigType = Config(),
-        config: Config | None = None,
+        user_class: type[UserType] = None,
         bot_start: Callable[
             [
                 Callable[[Message, Any], tuple[UserType, bool]],
@@ -72,64 +120,82 @@ class QBotApp[UserType: UserBase](FastAPI):
         ] = None,
         lifespan: Lifespan[AppType] | None = None,
         lifespan_bot_init: bool = True,
+        lifespan_set_webhook: bool = True,
+        webhook_handler: Callable[["QuickBot", Request], Any] = None,
         allowed_updates: list[str] | None = None,
-        *args,
         **kwargs,
     ):
-        if config is None:
+        # --- Initialize default user class if not provided ---
-            config = Config()
-
         if user_class is None:
             from .model.default_user import DefaultUser
 
             user_class = DefaultUser
 
-        self.allowed_updates = allowed_updates or ["message", "callback_query"]
+        self.allowed_updates = list(
+            (set(allowed_updates or [])).union({"message", "callback_query"})
+        )
 
         self.user_class = user_class
-        self.entity_metadata: EntityMetadata = user_class.entity_metadata
+        self.bot_metadata: BotMetadata = user_class.bot_metadata
+        self.bot_metadata.app = self
         self.config = config
         self.lifespan = lifespan
+        # --- Setup Telegram API server and session ---
         api_server = TelegramAPIServer.from_base(
             self.config.TELEGRAM_BOT_SERVER,
             is_local=self.config.TELEGRAM_BOT_SERVER_IS_LOCAL,
         )
         session = AiohttpSession(api=api_server)
+
+        # --- Initialize Telegram Bot instance ---
         self.bot = Bot(
             token=self.config.TELEGRAM_BOT_TOKEN,
             session=session,
-            default=DefaultBotProperties(parse_mode="HTML"),
+            default=DefaultBotProperties(
+                parse_mode="HTML", link_preview_is_disabled=True
+            ),
         )
 
+        # --- Setup Aiogram dispatcher with DB storage for FSM ---
         dp = Dispatcher(storage=DbStorage())
 
-        i18n = I18n(path="locales", default_locale="en", domain="messages")
+        # --- Setup i18n and middleware ---
-        i18n_middleware = I18nMiddleware(user_class=user_class, i18n=i18n)
+        self.i18n = I18n(path="locales", default_locale="en", domain="messages")
+        i18n_middleware = I18nMiddleware(user_class=user_class, i18n=self.i18n)
         i18n_middleware.setup(dp)
         dp.callback_query.middleware(CallbackAnswerMiddleware())
 
+        # --- Register core routers (start, main menu) ---
         from .bot.handlers.start import router as start_router
 
         dp.include_router(start_router)
-
         from .bot.handlers.menu.main import router as main_menu_router
 
-        auth = AuthMiddleware(user_class=user_class)
+        # Register authentication middleware for menu routers
-        main_menu_router.message.middleware.register(auth)
+        self.auth = AuthMiddleware(user_class=user_class)
-        main_menu_router.callback_query.middleware.register(auth)
+        main_menu_router.message.middleware.register(self.auth)
+        main_menu_router.callback_query.middleware.register(self.auth)
         dp.include_router(main_menu_router)
 
         self.dp = dp
 
-        self.bot_auth_token = token_hex(128)
+        # --- Extension points for custom bot start and webhook handlers ---
-
         self.start_handler = bot_start
+        self.webhook_handler = webhook_handler
         self.bot_commands = dict[str, BotCommand]()
 
         self.lifespan_bot_init = lifespan_bot_init
+        self.lifespan_set_webhook = lifespan_set_webhook
 
-        super().__init__(lifespan=default_lifespan, *args, **kwargs)
+        # --- Initialize FastAPI with custom lifespan and no default docs ---
+        super().__init__(lifespan=default_lifespan, docs_url=None, **kwargs)
 
+        self.bot_metadata.app_state = self.state
+
+        # --- Initialize plugins ---
+        self.plugins = dict[str, Any]()
+
+        # --- Register Telegram API router for /telegram endpoints (for webhook and auth) ---
         from .api_route.telegram import router as telegram_router
 
         self.include_router(telegram_router, prefix="/telegram", tags=["telegram"])
@@ -137,54 +203,422 @@ class QBotApp[UserType: UserBase](FastAPI):
         self.root_router._commands = self.bot_commands
         self.command = self.root_router.command
 
+        # --- Register all entity CRUD endpoints dynamically (for models API) ---
+        self.register_models_api()
+        # --- Register custom Swagger UI with Telegram login (for docs) ---
+        self.register_swagger_ui_html()
+
+    def register_plugin(self, plugin: Any):
+        self.plugins[type(plugin).__name__] = plugin
+        if isinstance(plugin, Registerable):
+            plugin.register(self)
+
+    def register_swagger_ui_html(self):
+        """
+        Register a custom /docs endpoint with Telegram login widget and JWT support for Swagger UI.
+        """
+
+        def swagger_ui_html():
+            return HTMLResponse(f"""
+                <!DOCTYPE html>
+                <html>
+                <head>
+                    <meta charset="utf-8" />
+                    <meta name="viewport" content="width=device-width, initial-scale=1" />
+                    <meta name="description" content="SwaggerUI" />
+                    <title>QuickBot API</title>
+                    <link rel="stylesheet" href="https://unpkg.com/swagger-ui-dist@5.26.2/swagger-ui.css" />
+                </head>
+                <body>
+                    <div id="swagger-ui"></div>
+                    <script src="https://unpkg.com/swagger-ui-dist@5.26.2/swagger-ui-bundle.js" crossorigin></script>
+                    <script>
+                        function logout() {{
+                            localStorage.removeItem("jwt");
+                            window.ui.preauthorizeApiKey("bearerAuth", "invalid.token");
+                            //location.reload();
+                        }}
+
+                        function injectTelegramWidget(jwt) {{
+                            const auth_wrapper = document.querySelector(".auth-wrapper");
+                            if (!auth_wrapper) return;
+
+                            const oldAuthBtn = auth_wrapper.querySelector(".authorize");
+                            if (oldAuthBtn) oldAuthBtn.remove();
+
+                            const authContainer = document.createElement("div");
+                            authContainer.className = "auth-info";
+
+                            /*if (jwt) {{
+                                try {{
+                                    console.log(jwt);
+                                    const payload = JSON.parse(atob(jwt.split('.')[1]));
+                                    const username = payload.username || payload.id;
+
+                                    authContainer.innerHTML = `
+                                        <span>👤 ${{username}}</span>
+                                        <button class="logout-btn" onclick="logout()">Logout</button>
+                                    `;
+                                }} catch (e) {{
+                                    authContainer.textContent = "JWT error";
+                                }}
+                            }} else {{*/
+                                const script = document.createElement("script");
+                                script.async = true;
+                                script.src = "https://telegram.org/js/telegram-widget.js";
+                                script.setAttribute("data-telegram-login", "{self.config.TELEGRAM_BOT_USERNAME}");
+                                script.setAttribute("data-size", "large");
+                                script.setAttribute("data-onauth", "handleTelegramAuth(user)");
+                                script.setAttribute("data-request-access", "write");
+                                authContainer.appendChild(script);
+                            //}}
+
+                            auth_wrapper.appendChild(authContainer);
+                        }}
+
+                        function waitForElement(selector, callback) {{
+                            const el = document.querySelector(selector);
+                            if (el) {{
+                                callback(el);
+                                return;
+                            }}
+                            const observer = new MutationObserver(() => {{
+                                const el = document.querySelector(selector);
+                                if (el) {{
+                                    observer.disconnect();
+                                    callback(el);
+                                }}
+                            }});
+                            observer.observe(document.body, {{ childList: true, subtree: true }});
+                        }}
+
+                        function handleTelegramAuth(user) {{
+                            fetch('/telegram/auth', {{
+                                method: 'POST',
+                                headers: {{ 'Content-Type': 'application/json' }},
+                                body: JSON.stringify(user)
+                            }})
+                            .then(res => res.json())
+                            .then(data => {{
+                                localStorage.setItem("jwt", data.access_token);
+                                window.ui.preauthorizeApiKey("bearerAuth", data.access_token);
+                                //location.reload();
+                            }})
+                            .catch(() => alert("Authorization error"));
+                        }}
+
+                        window.handleTelegramAuth = handleTelegramAuth;
+
+                        window.onload = function () {{
+                            const jwt = localStorage.getItem("jwt", null);
+
+                            window.ui = SwaggerUIBundle({{
+                                url: '/openapi.json',
+                                dom_id: '#swagger-ui',
+                                onComplete: function () {{
+                                    if (jwt) {{
+                                        window.ui.preauthorizeApiKey("bearerAuth", jwt);
+                                    }}
+                                    waitForElement(".auth-wrapper", (el) => {{
+                                        injectTelegramWidget(jwt);
+                                    }});
+                                }}
+                            }});
+                        }};
+                    </script>
+                </body>
+                </html>
+                """)
+
+        self.router.add_api_route(
+            path="/docs",
+            include_in_schema=False,
+            endpoint=swagger_ui_html,
+            methods=["GET"],
+            tags=["docs"],
+        )
+
+        def openapi_json():
+            schema = get_openapi(
+                title="FastAPI + Telegram OAuth",
+                version="1.0.0",
+                description="Swagger с Telegram Login",
+                routes=self.routes,
+            )
+            schema["components"]["securitySchemes"] = {
+                "bearerAuth": {
+                    "type": "http",
+                    "scheme": "bearer",
+                    "bearerFormat": "JWT",
+                }
+            }
+            for path in schema["paths"].values():
+                for op in path.values():
+                    op.setdefault("security", [{"bearerAuth": []}])
+            return JSONResponse(schema)
+
+        self.router.add_api_route(
+            path="/openapi.json",
+            endpoint=openapi_json,
+            methods=["GET"],
+            tags=["docs"],
+            include_in_schema=False,
+        )
+
+    def register_models_api(self):
+        """
+        Dynamically register CRUD API endpoints for all entities in the app's metadata.
+        Endpoints: list, create, get by id, update, delete.
+        Uses FastAPI dependency injection for database session and user authentication.
+        """
+
+        def make_create_api_endpoint(entity_descriptor: EntityDescriptor):
+            async def create_entity(
+                db_session: Annotated[AsyncSession, Depends(get_db)],
+                request: Request,
+                obj_in: entity_descriptor.crud.create_schema = Body(...),
+                current_user=Depends(get_current_user),
+            ):
+                try:
+                    ret_obj = await entity_descriptor.crud.create(
+                        db_session=db_session,
+                        user=current_user,
+                        model=obj_in,
+                    )
+                except NotFoundError as e:
+                    raise HTTPException(status_code=404, detail=e.args[0])
+                except ForbiddenError as e:
+                    raise HTTPException(status_code=403, detail=e.args[0])
+                except Exception as e:
+                    logger.error(f"Error creating entity: {e}")
+                    raise HTTPException(status_code=500, detail="Internal server error")
+                return ret_obj
+
+            return create_entity
+
+        def make_update_api_endpoint(entity_descriptor: EntityDescriptor):
+            async def update_entity(
+                db_session: Annotated[AsyncSession, Depends(get_db)],
+                request: Request,
+                id: int = Path(..., description="ID of the entity to update"),
+                obj_in: entity_descriptor.crud.update_schema = Body(...),
+                current_user=Depends(get_current_user),
+            ):
+                try:
+                    entity = await entity_descriptor.crud.update(
+                        db_session=db_session,
+                        id=id,
+                        model=obj_in,
+                        user=current_user,
+                    )
+                except NotFoundError as e:
+                    raise HTTPException(status_code=404, detail=e.args[0])
+                except ForbiddenError as e:
+                    raise HTTPException(status_code=403, detail=e.args[0])
+                except Exception as e:
+                    logger.error(f"Error updating entity: {e}")
+                    raise HTTPException(status_code=500, detail="Internal server error")
+                return entity
+
+            return update_entity
+
+        def make_delete_api_endpoint(entity_descriptor: EntityDescriptor):
+            async def delete_entity(
+                db_session: Annotated[AsyncSession, Depends(get_db)],
+                request: Request,
+                id: int = Path(..., description="ID of the entity to delete"),
+                current_user=Depends(get_current_user),
+            ):
+                try:
+                    entity = await entity_descriptor.crud.delete(
+                        db_session=db_session,
+                        id=id,
+                        user=current_user,
+                    )
+                except NotFoundError as e:
+                    raise HTTPException(status_code=404, detail=e.args[0])
+                except ForbiddenError as e:
+                    raise HTTPException(status_code=403, detail=e.args[0])
+                except Exception as e:
+                    logger.error(f"Error deleting entity: {e}")
+                    raise HTTPException(status_code=500, detail="Internal server error")
+                return entity
+
+            return delete_entity
+
+        def make_get_by_id_api_endpoint(entity_descriptor: EntityDescriptor):
+            async def get_entity_by_id(
+                db_session: Annotated[AsyncSession, Depends(get_db)],
+                request: Request,
+                id: int = Path(..., description="ID of the entity to get"),
+                current_user=Depends(get_current_user),
+            ):
+                try:
+                    entity = await entity_descriptor.type_.get(
+                        session=db_session,
+                        id=id,
+                    )
+                except NotFoundError as e:
+                    raise HTTPException(status_code=404, detail=e.args[0])
+                except ForbiddenError as e:
+                    raise HTTPException(status_code=403, detail=e.args[0])
+                except Exception as e:
+                    logger.error(f"Error getting entity: {e}")
+                    raise HTTPException(status_code=500, detail="Internal server error")
+                return entity
+
+            return get_entity_by_id
+
+        def make_process_api_endpoint(process_descriptor: ProcessDescriptor):
+            async def run_process(
+                db_session: Annotated[AsyncSession, Depends(get_db)],
+                current_user: Annotated[UserBase, Depends(get_current_user)],
+                request: Request,
+                obj_in: process_descriptor.input_schema = Body(...),
+            ):
+                for role in current_user.roles:
+                    if role in process_descriptor.roles:
+                        break
+                else:
+                    raise HTTPException(status_code=403, detail="Forbidden")
+
+                run_func = process_descriptor.process_class.run
+                bot_context = BotContext(
+                    db_session=db_session,
+                    app=current_user.bot_metadata.app,
+                    app_state=current_user.bot_metadata.app_state,
+                    user=current_user,
+                )
+
+                try:
+                    if iscoroutinefunction(run_func):
+                        result = await run_func(
+                            context=bot_context,
+                            parameters=obj_in,
+                        )
+                    else:
+                        result = run_func(
+                            context=bot_context,
+                            parameters=obj_in,
+                        )
+                    return result
+                except Exception as e:
+                    logger.error(f"Error running process: {e}")
+                    raise HTTPException(status_code=500, detail="Internal server error")
+
+            return run_process
+
+        for entity_descriptor in self.bot_metadata.entity_descriptors.values():
+            if issubclass(entity_descriptor.type_, UserBase):
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}/me",
+                    methods=["GET"],
+                    endpoint=get_me,
+                    response_model=entity_descriptor.crud.schema,
+                    summary="Get current user",
+                    description="Get current user",
+                    tags=["models"],
+                )
+
+            if CrudCommand.LIST in entity_descriptor.crud.commands:
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}",
+                    endpoint=list_entity_items,
+                    methods=["GET"],
+                    response_model=list[
+                        Union[entity_descriptor.crud.schema, ListSchema]
+                    ],
+                    summary=f"List {entity_descriptor.name}",
+                    description=f"List {entity_descriptor.name}",
+                    tags=["models"],
+                )
+
+            if CrudCommand.CREATE in entity_descriptor.crud.commands:
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}",
+                    methods=["POST"],
+                    endpoint=make_create_api_endpoint(entity_descriptor),
+                    response_model=entity_descriptor.crud.schema,
+                    summary=f"Create {entity_descriptor.name}",
+                    description=f"Create {entity_descriptor.name}",
+                    tags=["models"],
+                )
+
+            if CrudCommand.GET_BY_ID in entity_descriptor.crud.commands:
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}/{{id}}",
+                    methods=["GET"],
+                    endpoint=make_get_by_id_api_endpoint(entity_descriptor),
+                    response_model=entity_descriptor.crud.schema,
+                    summary=f"Get {entity_descriptor.name} by id",
+                    description=f"Get {entity_descriptor.name} by id",
+                    tags=["models"],
+                )
+
+            if CrudCommand.UPDATE in entity_descriptor.crud.commands:
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}/{{id}}",
+                    methods=["PATCH"],
+                    endpoint=make_update_api_endpoint(entity_descriptor),
+                    response_model=Union[entity_descriptor.crud.schema, ListSchema],
+                    summary=f"Update {entity_descriptor.name}",
+                    description=f"Update {entity_descriptor.name}",
+                    tags=["models"],
+                )
+
+            if CrudCommand.DELETE in entity_descriptor.crud.commands:
+                self.router.add_api_route(
+                    path=f"/models/{entity_descriptor.name}/{{id}}",
+                    methods=["DELETE"],
+                    endpoint=make_delete_api_endpoint(entity_descriptor),
+                    response_model=Union[entity_descriptor.crud.schema, ListSchema],
+                    summary=f"Delete {entity_descriptor.name}",
+                    description=f"Delete {entity_descriptor.name}",
+                    tags=["models"],
+                )
+
+        for process_descriptor in self.bot_metadata.process_descriptors.values():
+            self.router.add_api_route(
+                path=f"/processes/{process_descriptor.name}",
+                methods=["POST"],
+                endpoint=make_process_api_endpoint(process_descriptor),
+                response_model=process_descriptor.output_schema,
+                summary=f"Run {process_descriptor.name}",
+                description=process_descriptor.description,
+                tags=["processes"],
+            )
+
     def register_routers(self, *routers: Router):
+        # Register additional routers and their commands with the application.
+        # This allows modular extension of bot command sets and menu trees.
         for router in routers:
             for command_name, command in router._commands.items():
                 self.bot_commands[command_name] = command
 
-    def ngrok_init(self):
-        try:
-            from pyngrok import ngrok
-            from pyngrok.conf import PyngrokConfig
-
-        except ImportError:
-            logger.error("pyngrok is not installed")
-            raise
-
-        tunnel = ngrok.connect(
-            self.config.API_PORT,
-            pyngrok_config=PyngrokConfig(auth_token=self.config.NGROK_AUTH_TOKEN),
-        )
-        self.config.NGROK_URL = tunnel.public_url
-
-    def ngrok_stop(self):
-        try:
-            from pyngrok import ngrok
-
-        except ImportError:
-            logger.error("pyngrok is not installed")
-            raise
-
-        ngrok.disconnect(self.config.NGROK_URL)
-        ngrok.kill()
-
     async def bot_init(self):
+        # --- Set up bot commands for all locales ---
+        # This method collects all commands (with captions) that should be shown in the Telegram UI.
+        # It supports localization by grouping commands by locale.
         commands_captions = dict[str, list[tuple[str, str]]]()
 
         for command_name, command in self.bot_commands.items():
             if command.show_in_bot_commands:
                 if isinstance(command.caption, str) or command.caption is None:
+                    # Default locale (or no caption provided)
                     if "default" not in commands_captions:
                         commands_captions["default"] = []
                     commands_captions["default"].append(
                         (command_name, command.caption or command_name)
                     )
                 else:
+                    # Localized captions per locale
                     for locale, description in command.caption.items():
+                        locale = "default" if locale == "en" else locale
                         if locale not in commands_captions:
                             commands_captions[locale] = []
                         commands_captions[locale].append((command_name, description))
 
+        # Register commands with Telegram for each locale
         for locale, commands in commands_captions.items():
             await self.bot.set_my_commands(
                 [
@@ -194,14 +628,127 @@ class QBotApp[UserType: UserBase](FastAPI):
                 language_code=None if locale == "default" else locale,
             )
 
+    async def set_webhook(self):
+        # --- Set Telegram webhook for receiving updates ---
+        # This is called on startup if lifespan_set_webhook is True.
         await self.bot.set_webhook(
             url=f"{self.config.TELEGRAM_WEBHOOK_URL}/telegram/webhook",
             drop_pending_updates=True,
             allowed_updates=self.allowed_updates,
-            secret_token=self.bot_auth_token,
+            secret_token=self.config.TELEGRAM_WEBHOOK_AUTH_KEY,
         )
 
-    async def bot_close(self):
+    async def show_form(
-        await self.bot.delete_webhook()
+        self,
-        await self.bot.log_out()
+        app_state: State,
-        await self.bot.close()
+        user_id: int,
+        entity: type[BotEntity] | str,
+        entity_id: int,
+        db_session: AsyncSession,
+        form_name: str = None,
+        form_params: list[Any] = None,
+    ):
+        # --- Show a form for a specific entity instance to a user ---
+        # Used for interactive entity editing or viewing in the Telegram bot UI.
+        f_params = []
+
+        if form_name:
+            f_params.append(form_name)
+
+        if form_params:
+            f_params.extend([str(p) for p in form_params])
+
+        # Allow passing entity as class or string name
+        if isinstance(entity, type):
+            entity = entity.bot_entity_descriptor.name
+
+        # Prepare callback data for navigation stack
+        callback_data = ContextData(
+            command=CallbackCommand.ENTITY_ITEM,
+            entity_name=entity,
+            entity_id=entity_id,
+            form_params="&".join(f_params),
+        )
+
+        # Get FSM state context for the user
+        state = self.dp.fsm.get_context(bot=self.bot, chat_id=user_id, user_id=user_id)
+        state_data = await state.get_data()
+        clear_state(state_data=state_data)
+        stack = save_navigation_context(
+            callback_data=callback_data, state_data=state_data
+        )
+        await state.set_data(state_data)
+
+        # Fetch user object for locale and permissions
+        user = await self.user_class.get(
+            session=db_session,
+            id=user_id,
+        )
+
+        # Use i18n context for the user's language
+        with self.i18n.context(), self.i18n.use_locale(user.lang.value):
+            await entity_item(
+                query=None,
+                db_session=db_session,
+                callback_data=callback_data,
+                app=self,
+                user=user,
+                navigation_stack=stack,
+                state=state,
+                state_data=state_data,
+                i18n=self.i18n,
+                app_state=app_state,
+            )
+
+    async def execute_command(
+        self,
+        app_state: State,
+        command: str,
+        user_id: int,
+        db_session: AsyncSession,
+    ):
+        # --- Execute a user command in the Telegram bot context ---
+        # This is used for programmatically triggering bot commands (e.g., from API or callback).
+        state = self.dp.fsm.get_context(bot=self.bot, chat_id=user_id, user_id=user_id)
+        state_data = await state.get_data()
+        callback_data = ContextData(
+            command=CallbackCommand.USER_COMMAND,
+            user_command=command,
+        )
+        command_name = command.split("&")[0]
+        cmd = self.bot_commands.get(command_name)
+
+        # Fetch user object for permissions and locale
+        user = await self.user_class.get(
+            session=db_session,
+            id=user_id,
+        )
+
+        if cmd is None:
+            # Command not found (could be a custom or unregistered command)
+            return
+
+        # Optionally clear navigation stack if command requires it
+        if cmd.clear_navigation:
+            state_data.pop("navigation_stack", None)
+            state_data.pop("navigation_context", None)
+
+        # Optionally register navigation context for this command
+        if cmd.register_navigation:
+            clear_state(state_data=state_data)
+            save_navigation_context(callback_data=callback_data, state_data=state_data)
+
+        # Use i18n context for the user's language
+        with self.i18n.context(), self.i18n.use_locale(user.lang.value):
+            await command_handler(
+                message=None,
+                cmd=cmd,
+                db_session=db_session,
+                callback_data=callback_data,
+                app=self,
+                user=user,
+                state=state,
+                state_data=state_data,
+                i18n=self.i18n,
+                app_state=app_state,
+            )

src/quickbot/middleware/telegram/auth.py

@@ -23,9 +23,15 @@ class AuthMiddleware(BaseMiddleware):
         event: TelegramObject,
         data: Dict[str, Any],
     ) -> Any:
-        user = await self.user_class.get(
+        if event.business_connection_id:
-            id=event.from_user.id, session=data["db_session"]
+            business_connection = await event.bot.get_business_connection(
+                event.business_connection_id
             )
+            user_id = business_connection.user.id
+        else:
+            user_id = event.from_user.id
+
+        user = await self.user_class.get(id=user_id, session=data["db_session"])
 
         if user and user.is_active:
             data["user"] = user

src/quickbot/middleware/telegram/i18n.py

@@ -17,7 +17,7 @@ class I18nMiddleware(SimpleI18nMiddleware):
 
     async def get_locale(self, event: TelegramObject, data: Dict[str, Any]) -> str:
         db_session = data.get("db_session")
-        if db_session and event.model_fields.get("from_user"):
+        if db_session and event.__dict__.get("from_user"):
             user = await self.user_class.get(id=event.from_user.id, session=db_session)
             if user and user.lang:
                 return user.lang.value

src/quickbot/model/__init__.py

@@ -6,13 +6,19 @@ from typing import cast
 from .bot_enum import BotEnum, EnumMember
 from ..db import async_session
 
+from .user import UserBase
+from .role import RoleBase
+from .language import LanguageBase
+
+__all__ = ["UserBase", "RoleBase", "LanguageBase"]
+
 
 class EntityPermission(BotEnum):
-    LIST = EnumMember("list")
+    LIST_RLS = EnumMember("list_rls")
-    READ = EnumMember("read")
+    READ_RLS = EnumMember("read_rls")
-    CREATE = EnumMember("create")
+    CREATE_RLS = EnumMember("create_rls")
-    UPDATE = EnumMember("update")
+    UPDATE_RLS = EnumMember("update_rls")
-    DELETE = EnumMember("delete")
+    DELETE_RLS = EnumMember("delete_rls")
     LIST_ALL = EnumMember("list_all")
     READ_ALL = EnumMember("read_all")
     CREATE_ALL = EnumMember("create_all")

src/quickbot/model/annotated_schema.py

@@ -0,0 +1,46 @@
+"""
+BotEntity module provides a metaclass and base class for creating database entities
+with enhanced functionality for bot operations, including field descriptors,
+filtering, and ownership management.
+"""
+
+from typing import (
+    TYPE_CHECKING,
+    dataclass_transform,
+)
+from pydantic import BaseModel
+from pydantic._internal._model_construction import ModelMetaclass
+from sqlmodel import Field
+from sqlmodel.main import FieldInfo
+
+
+from .descriptors import EntityField, FieldDescriptor
+
+if TYPE_CHECKING:
+    pass
+
+
+@dataclass_transform(
+    kw_only_default=True,
+    field_specifiers=(Field, FieldInfo, EntityField, FieldDescriptor),
+)
+class AnnotatedSchemaMetaclass(ModelMetaclass):
+    """
+    Metaclass for annotated schemas.
+    """
+
+    def __new__(mcs, name, bases, namespace, **kwargs):
+        """
+        Create a new annotated schema.
+        """
+
+        # --- Create the class using parent metaclass ---
+        type_ = super().__new__(mcs, name, bases, namespace, **kwargs)
+
+        return type_
+
+
+class AnnotatedSchema(BaseModel, metaclass=AnnotatedSchemaMetaclass):
+    """
+    Base class for annotated schemas.
+    """

src/quickbot/model/bot_entity.py

@@ -1,28 +1,47 @@
+"""
+BotEntity module provides a metaclass and base class for creating database entities
+with enhanced functionality for bot operations, including field descriptors,
+filtering, and ownership management.
+"""
+
 from types import NoneType, UnionType
 from typing import (
     Any,
     ClassVar,
     ForwardRef,
     Optional,
-    Self,
     Union,
     get_args,
     get_origin,
     TYPE_CHECKING,
     dataclass_transform,
+    Self,
 )
 from pydantic import BaseModel
+from pydantic.fields import _Unset
 from pydantic_core import PydanticUndefined
-from sqlmodel import SQLModel, BigInteger, Field, select, func, column, col
+from sqlmodel import SQLModel, BigInteger, Field, select, func
 from sqlmodel.main import FieldInfo
 from sqlmodel.ext.asyncio.session import AsyncSession
-from sqlmodel.sql.expression import SelectOfScalar
 from sqlmodel.main import SQLModelMetaclass, RelationshipInfo
 
 
-from .descriptors import EntityDescriptor, EntityField, FieldDescriptor, Filter
+from .descriptors import (
-from .entity_metadata import EntityMetadata
+    EntityDescriptor,
+    EntityField,
+    FieldDescriptor,
+    Filter,
+    FilterExpression,
+)
+from .bot_metadata import BotMetadata
+from .crud_service import CrudService
 from . import session_dep
+from .utils import (
+    _static_filter_condition,
+    _build_filter_condition,
+    _filter_condition,
+    _apply_rls_filters,
+)
 
 if TYPE_CHECKING:
     from .user import UserBase
@@ -33,11 +52,34 @@ if TYPE_CHECKING:
     field_specifiers=(Field, FieldInfo, EntityField, FieldDescriptor),
 )
 class BotEntityMetaclass(SQLModelMetaclass):
+    """
+    Metaclass for BotEntity that handles field processing, descriptor creation,
+    and type resolution for bot-specific database entities.
+
+    This metaclass extends SQLModelMetaclass to provide additional functionality
+    for bot operations including field descriptors, type annotations, and
+    entity metadata management.
+    """
+
+    # Store future references for forward-declared types
     _future_references = {}
 
     def __new__(mcs, name, bases, namespace, **kwargs):
+        """
+        Create a new class with processed field descriptors and metadata.
+
+        Args:
+            name: Name of the class being created
+            bases: Base classes
+            namespace: Class namespace containing attributes and annotations
+            **kwargs: Additional keyword arguments passed to the metaclass
+
+        Returns:
+            The created class with processed field descriptors and metadata
+        """
         bot_fields_descriptors = {}
 
+        # --- Inherit field descriptors from parent classes (if any) ---
         if bases:
             bot_entity_descriptor = bases[0].__dict__.get("bot_entity_descriptor")
             bot_fields_descriptors = (
@@ -49,50 +91,67 @@ class BotEntityMetaclass(SQLModelMetaclass):
                 else {}
             )
 
+        # --- Process field annotations to create field descriptors ---
         if "__annotations__" in namespace:
             for annotation in namespace["__annotations__"]:
-                if annotation in ["bot_entity_descriptor", "entity_metadata"]:
+                # Skip special attributes
+                if annotation in ["bot_entity_descriptor", "bot_metadata"]:
                     continue
 
-                attribute_value = namespace.get(annotation)
+                attribute_value = namespace.get(annotation, PydanticUndefined)
 
+                # Skip relationship fields (handled by SQLModel)
                 if isinstance(attribute_value, RelationshipInfo):
                     continue
 
                 descriptor_kwargs = {}
                 descriptor_name = annotation
 
-                if attribute_value:
+                # --- Process EntityField attributes to extract SQLModel field descriptors ---
+                if attribute_value is not PydanticUndefined:
                     if isinstance(attribute_value, EntityField):
                         descriptor_kwargs = attribute_value.__dict__.copy()
+                        # Extract SQLModel field descriptor if present
                         sm_descriptor = descriptor_kwargs.pop("sm_descriptor", None)  # type: FieldInfo
 
                         if sm_descriptor:
+                            # Transfer default values from EntityField to SQLModel descriptor
                             if (
-                                attribute_value.default is not None
+                                attribute_value.default is not PydanticUndefined
                                 and sm_descriptor.default is PydanticUndefined
                             ):
                                 sm_descriptor.default = attribute_value.default
                             if (
                                 attribute_value.default_factory is not None
-                                and sm_descriptor.default_factory is PydanticUndefined
+                                and sm_descriptor.default_factory is None
                             ):
                                 sm_descriptor.default_factory = (
                                     attribute_value.default_factory
                                 )
+                            if attribute_value.description is not PydanticUndefined:
+                                sm_descriptor.description = attribute_value.description
                         else:
+                            # Create new SQLModel field descriptor if none exists
                             if (
                                 attribute_value.default is not None
                                 or attribute_value.default_factory is not None
                             ):
                                 sm_descriptor = Field()
-                                if attribute_value.default is not None:
+                                if attribute_value.default is not PydanticUndefined:
                                     sm_descriptor.default = attribute_value.default
                                 if attribute_value.default_factory is not None:
                                     sm_descriptor.default_factory = (
                                         attribute_value.default_factory
                                     )
+                                if attribute_value.description is not PydanticUndefined:
+                                    sm_descriptor.description = (
+                                        attribute_value.description
+                                    )
 
+                        # Clean up internal attributes
+                        descriptor_kwargs.pop("__orig_class__", None)
+
+                        # Replace EntityField with SQLModel field descriptor in namespace
                         if sm_descriptor:
                             namespace[annotation] = sm_descriptor
                         else:
@@ -100,10 +159,28 @@ class BotEntityMetaclass(SQLModelMetaclass):
 
                         descriptor_name = descriptor_kwargs.pop("name") or annotation
 
+                    elif isinstance(attribute_value, FieldInfo):
+                        if attribute_value.default is not PydanticUndefined:
+                            descriptor_kwargs["default"] = attribute_value.default
+                        if attribute_value.default_factory is not None:
+                            descriptor_kwargs["default_factory"] = (
+                                attribute_value.default_factory
+                            )
+                        if attribute_value.description is not _Unset:
+                            descriptor_kwargs["description"] = (
+                                attribute_value.description
+                            )
+
+                    elif isinstance(attribute_value, RelationshipInfo):
+                        pass
+
+                    else:
+                        descriptor_kwargs["default"] = attribute_value
+
+                # --- Get the type annotation for the field ---
                 type_ = namespace["__annotations__"][annotation]
 
-                type_origin = get_origin(type_)
+                # --- Create field descriptor with basic information ---
-
                 field_descriptor = FieldDescriptor(
                     name=descriptor_name,
                     field_name=annotation,
@@ -112,12 +189,18 @@ class BotEntityMetaclass(SQLModelMetaclass):
                     **descriptor_kwargs,
                 )
 
+                # --- Process type annotations to determine if field is list or optional ---
+                type_origin = get_origin(type_)
+
                 is_list = False
                 is_optional = False
+
+                # Handle list types (e.g., List[str])
                 if type_origin is list:
                     field_descriptor.is_list = is_list = True
                     field_descriptor.type_base = type_ = get_args(type_)[0]
 
+                # Handle Union types for optional fields (e.g., Optional[str])
                 if type_origin is Union:
                     args = get_args(type_)
                     if isinstance(args[0], ForwardRef):
@@ -127,16 +210,17 @@ class BotEntityMetaclass(SQLModelMetaclass):
                         field_descriptor.is_optional = is_optional = True
                         field_descriptor.type_base = type_ = args[0]
 
+                # Handle Python 3.10+ UnionType (e.g., str | None)
                 if type_origin is UnionType and get_args(type_)[1] is NoneType:
                     field_descriptor.is_optional = is_optional = True
                     field_descriptor.type_base = type_ = get_args(type_)[0]
 
+                # --- Handle string type references (forward references to other entities) ---
                 if isinstance(type_, str):
                     type_not_found = True
-                    for (
+                    for entity_descriptor in BotMetadata().entity_descriptors.values():
-                        entity_descriptor
-                    ) in EntityMetadata().entity_descriptors.values():
                         if type_ == entity_descriptor.class_name:
+                            # Resolve the type to the actual entity class
                             field_descriptor.type_base = entity_descriptor.type_
                             field_descriptor.type_ = (
                                 list[entity_descriptor.type_]
@@ -153,6 +237,8 @@ class BotEntityMetaclass(SQLModelMetaclass):
                             )
                             type_not_found = False
                             break
+
+                    # If type not found, store for future resolution
                     if type_not_found:
                         if type_ in mcs._future_references:
                             mcs._future_references[type_].append(field_descriptor)
@@ -161,14 +247,17 @@ class BotEntityMetaclass(SQLModelMetaclass):
 
                 bot_fields_descriptors[descriptor_name] = field_descriptor
 
+        # --- Process entity descriptor configuration ---
         descriptor_name = name
 
         if "bot_entity_descriptor" in namespace:
+            # Extract and process custom entity descriptor
             entity_descriptor = namespace.pop("bot_entity_descriptor")
             descriptor_kwargs: dict = entity_descriptor.__dict__.copy()
             descriptor_name = descriptor_kwargs.pop("name", None)
+            descriptor_kwargs.pop("__orig_class__", None)
             descriptor_name = descriptor_name or name.lower()
-            namespace["bot_entity_descriptor"] = EntityDescriptor(
+            entity_descriptor = namespace["bot_entity_descriptor"] = EntityDescriptor(
                 name=descriptor_name,
                 class_name=name,
                 type_=name,
@@ -176,39 +265,41 @@ class BotEntityMetaclass(SQLModelMetaclass):
                 **descriptor_kwargs,
             )
         else:
+            # Create default entity descriptor
             descriptor_name = name.lower()
-            namespace["bot_entity_descriptor"] = EntityDescriptor(
+            entity_descriptor = namespace["bot_entity_descriptor"] = EntityDescriptor(
                 name=descriptor_name,
                 class_name=name,
                 type_=name,
                 fields_descriptors=bot_fields_descriptors,
             )
 
+        # --- Link field descriptors to their entity descriptor ---
         for field_descriptor in bot_fields_descriptors.values():
-            field_descriptor.entity_descriptor = namespace["bot_entity_descriptor"]
+            field_descriptor.entity_descriptor = entity_descriptor
 
+        # --- Configure table settings (set to True by default) ---
         if "table" not in kwargs:
             kwargs["table"] = True
 
+        # --- If table is set to True, register entity in global metadata ---
         if kwargs["table"]:
-            entity_metadata = EntityMetadata()
+            # Register entity in global metadata
-            entity_metadata.entity_descriptors[descriptor_name] = namespace[
+            entity_metadata = BotMetadata()
-                "bot_entity_descriptor"
+            entity_metadata.entity_descriptors[descriptor_name] = entity_descriptor
-            ]
 
+            # Add entity_metadata to class annotations
             if "__annotations__" in namespace:
-                namespace["__annotations__"]["entity_metadata"] = ClassVar[
+                namespace["__annotations__"]["bot_metadata"] = ClassVar[BotMetadata]
-                    EntityMetadata
-                ]
             else:
-                namespace["__annotations__"] = {
+                namespace["__annotations__"] = {"bot_metadata": ClassVar[BotMetadata]}
-                    "entity_metadata": ClassVar[EntityMetadata]
-                }
 
-            namespace["entity_metadata"] = entity_metadata
+            namespace["bot_metadata"] = entity_metadata
 
+        # --- Create the class using parent metaclass ---
         type_ = super().__new__(mcs, name, bases, namespace, **kwargs)
 
+        # --- Resolve future references now that the class exists ---
         if name in mcs._future_references:
             for field_descriptor in mcs._future_references[name]:
                 type_origin = get_origin(field_descriptor.type_)
@@ -227,78 +318,63 @@ class BotEntityMetaclass(SQLModelMetaclass):
                     )
                 )
 
-        setattr(namespace["bot_entity_descriptor"], "type_", type_)
+        # --- Set the resolved type in the entity descriptor ---
+        entity_descriptor.type_ = type_
+        # setattr(entity_descriptor, "type_", type_)
+
+        if kwargs["table"] and entity_descriptor.crud is None:
+            entity_descriptor.crud = CrudService(entity_descriptor)
 
         return type_
 
 
-class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
+class BotEntity(SQLModel, metaclass=BotEntityMetaclass, table=False):
-    SQLModel, metaclass=BotEntityMetaclass, table=False
+    """
-):
+    Base class for bot entities that provides CRUD operations, filtering,
-    bot_entity_descriptor: ClassVar[EntityDescriptor]
+    and Row Level Security (RLS) capabilities.
-    entity_metadata: ClassVar[EntityMetadata]
 
+    This class extends SQLModel and uses BotEntityMetaclass to provide
+    enhanced functionality for bot operations including:
+    - Field descriptors for UI generation
+    - Advanced filtering and search capabilities
+    - Row Level Security (RLS) access control
+    - Standardized CRUD operations
+    """
+
+    # Class variables set by the metaclass
+    bot_entity_descriptor: ClassVar[EntityDescriptor]
+    bot_metadata: ClassVar[BotMetadata]
+
+    # Standard ID field for all entities
     id: int = EntityField(
-        sm_descriptor=Field(primary_key=True, sa_type=BigInteger), is_visible=False
+        sm_descriptor=Field(primary_key=True, sa_type=BigInteger),
+        is_visible=False,
+        default=None,
     )
 
     @classmethod
     @session_dep
-    async def get(cls, *, session: AsyncSession | None = None, id: int):
+    async def get(
-        return await session.get(cls, id, populate_existing=True)
-
-    @classmethod
-    def _static_filter_condition(
-        cls, select_statement: SelectOfScalar[Self], static_filter: list[Filter]
-    ):
-        for sfilt in static_filter:
-            column = getattr(cls, sfilt.field_name)
-            if sfilt.operator == "==":
-                condition = column.__eq__(sfilt.value)
-            elif sfilt.operator == "!=":
-                condition = column.__ne__(sfilt.value)
-            elif sfilt.operator == "<":
-                condition = column.__lt__(sfilt.value)
-            elif sfilt.operator == "<=":
-                condition = column.__le__(sfilt.value)
-            elif sfilt.operator == ">":
-                condition = column.__gt__(sfilt.value)
-            elif sfilt.operator == ">=":
-                condition = column.__ge__(sfilt.value)
-            elif sfilt.operator == "ilike":
-                condition = col(column).ilike(f"%{sfilt.value}%")
-            elif sfilt.operator == "like":
-                condition = col(column).like(f"%{sfilt.value}%")
-            elif sfilt.operator == "in":
-                condition = col(column).in_(sfilt.value)
-            elif sfilt.operator == "not in":
-                condition = col(column).notin_(sfilt.value)
-            elif sfilt.operator == "is none":
-                condition = col(column).is_(None)
-            elif sfilt.operator == "is not none":
-                condition = col(column).isnot(None)
-            elif sfilt.operator == "contains":
-                condition = sfilt.value == col(column).any_()
-            else:
-                condition = None
-            if condition is not None:
-                select_statement = select_statement.where(condition)
-        return select_statement
-
-    @classmethod
-    def _filter_condition(
         cls,
-        select_statement: SelectOfScalar[Self],
+        *,
-        filter: str,
+        session: AsyncSession | None = None,
-        filter_fields: list[str],
+        id: int,
-    ):
+        user: "UserBase | None" = None,
-        condition = None
+    ) -> Self:
-        for field in filter_fields:
+        """
-            if condition is not None:
+        Retrieve a single entity by ID.
-                condition = condition | (column(field).ilike(f"%{filter}%"))
+
-            else:
+        Args:
-                condition = column(field).ilike(f"%{filter}%")
+            session: Database session (injected by session_dep)
-        return select_statement.where(condition)
+            id: Entity ID to retrieve
+
+        Returns:
+            The entity instance or None if not found
+        """
+        select_statement = select(cls).where(cls.id == id)
+        if user:
+            select_statement = await _apply_rls_filters(cls, select_statement, user)
+        return await session.scalar(select_statement)
 
     @classmethod
     @session_dep
@@ -306,28 +382,49 @@ class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
         cls,
         *,
         session: AsyncSession | None = None,
-        static_filter: list[Filter] | Any = None,
+        user: "UserBase",
+        static_filter: Filter | FilterExpression | Any = None,
         filter: str = None,
         filter_fields: list[str] = None,
         ext_filter: Any = None,
-        user: "UserBase" = None,
     ) -> int:
+        """
+        Get the count of entities matching the specified criteria.
+
+        Args:
+            session: Database session (injected by session_dep)
+            static_filter: List of static filter conditions
+            filter: Text search filter
+            filter_fields: Fields to search in for text filter
+            ext_filter: Additional custom filter conditions
+            user: User for RLS-based filtering
+
+        Returns:
+            Count of matching entities
+        """
+        # --- Build select statement for counting entities ---
         select_statement = select(func.count()).select_from(cls)
+
+        # --- Apply various filter conditions ---
         if static_filter:
             if isinstance(static_filter, list):
-                select_statement = cls._static_filter_condition(
+                select_statement = _static_filter_condition(
                     select_statement, static_filter
                 )
             else:
-                select_statement = select_statement.where(static_filter)
+                # Handle single Filter or FilterExpression object
+                condition = _build_filter_condition(cls, static_filter)
+                if condition is not None:
+                    select_statement = select_statement.where(condition)
         if filter and filter_fields:
-            select_statement = cls._filter_condition(
+            select_statement = _filter_condition(
                 select_statement, filter, filter_fields
             )
         if ext_filter:
             select_statement = select_statement.where(ext_filter)
-        if user:
+
-            select_statement = cls._ownership_condition(select_statement, user)
+        select_statement = await _apply_rls_filters(cls, select_statement, user)
+
         return await session.scalar(select_statement)
 
     @classmethod
@@ -336,56 +433,60 @@ class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
         cls,
         *,
         session: AsyncSession | None = None,
+        user: "UserBase | None" = None,
         order_by=None,
-        static_filter: list[Filter] | Any = None,
+        static_filter: Filter | FilterExpression | Any = None,
         filter: str = None,
         filter_fields: list[str] = None,
         ext_filter: Any = None,
-        user: "UserBase" = None,
         skip: int = 0,
         limit: int = None,
-    ):
+    ) -> list[Self]:
+        """
+        Retrieve multiple entities with filtering, pagination, and ordering.
+
+        Args:
+            session: Database session (injected by session_dep)
+            order_by: Ordering criteria
+            static_filter: List of static filter conditions
+            filter: Text search filter
+            filter_fields: Fields to search in for text filter
+            ext_filter: Additional custom filter conditions
+            user: User for RLS-based filtering
+            skip: Number of records to skip (for pagination)
+            limit: Maximum number of records to return
+
+        Returns:
+            List of matching entity instances
+        """
+        # --- Build select statement for entity retrieval ---
         select_statement = select(cls).offset(skip)
         if limit:
             select_statement = select_statement.limit(limit)
+
+        # --- Apply various filter conditions ---
         if static_filter is not None:
             if isinstance(static_filter, list):
-                select_statement = cls._static_filter_condition(
+                select_statement = _static_filter_condition(
-                    select_statement, static_filter
+                    cls, select_statement, static_filter
                 )
             else:
-                select_statement = select_statement.where(static_filter)
+                # Handle single Filter or FilterExpression object
+                condition = _build_filter_condition(cls, static_filter)
+                if condition is not None:
+                    select_statement = select_statement.where(condition)
         if filter and filter_fields:
-            select_statement = cls._filter_condition(
+            select_statement = _filter_condition(
-                select_statement, filter, filter_fields
+                cls, select_statement, filter, filter_fields
             )
         if ext_filter is not None:
             select_statement = select_statement.where(ext_filter)
         if user:
-            select_statement = cls._ownership_condition(select_statement, user)
+            select_statement = await _apply_rls_filters(cls, select_statement, user)
-        if order_by is not None:
+        if order_by:
             select_statement = select_statement.order_by(order_by)
-        return (await session.exec(select_statement)).all()
 
-    @classmethod
+        return (await session.exec(select_statement)).all()
-    def _ownership_condition(
-        cls, select_statement: SelectOfScalar[Self], user: "UserBase"
-    ):
-        if cls.bot_entity_descriptor.ownership_fields:
-            condition = None
-            for role in user.roles:
-                if role in cls.bot_entity_descriptor.ownership_fields:
-                    owner_col = column(cls.bot_entity_descriptor.ownership_fields[role])
-                    if condition is not None:
-                        condition = condition | (owner_col == user.id)
-                    else:
-                        condition = owner_col == user.id
-                else:
-                    condition = None
-                    break
-            if condition is not None:
-                return select_statement.where(condition)
-        return select_statement
 
     @classmethod
     @session_dep
@@ -393,9 +494,21 @@ class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
         cls,
         *,
         session: AsyncSession | None = None,
-        obj_in: CreateSchemaType,
+        obj_in: BaseModel,
         commit: bool = False,
-    ):
+    ) -> Self:
+        """
+        Create a new entity instance.
+
+        Args:
+            session: Database session (injected by session_dep)
+            obj_in: Data for creating the entity (can be Pydantic model or entity instance)
+            commit: Whether to commit the transaction immediately
+
+        Returns:
+            The created entity instance
+        """
+        # --- Accept both entity instances and Pydantic models ---
         if isinstance(obj_in, cls):
             obj = obj_in
         else:
@@ -412,13 +525,26 @@ class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
         *,
         session: AsyncSession | None = None,
         id: int,
-        obj_in: UpdateSchemaType,
+        obj_in: BaseModel,
         commit: bool = False,
-    ):
+    ) -> Self:
+        """
+        Update an existing entity instance.
+
+        Args:
+            session: Database session (injected by session_dep)
+            id: ID of the entity to update
+            obj_in: Data for updating the entity
+            commit: Whether to commit the transaction immediately
+
+        Returns:
+            The updated entity instance or None if not found
+        """
         obj = await session.get(cls, id)
         if obj:
             obj_data = obj.model_dump()
             update_data = obj_in.model_dump(exclude_unset=True)
+            # Only update fields present in the update data
             for field in obj_data:
                 if field in update_data:
                     setattr(obj, field, update_data[field])
@@ -432,7 +558,18 @@ class BotEntity[CreateSchemaType: BaseModel, UpdateSchemaType: BaseModel](
     @session_dep
     async def remove(
         cls, *, session: AsyncSession | None = None, id: int, commit: bool = False
-    ):
+    ) -> Self:
+        """
+        Delete an entity instance.
+
+        Args:
+            session: Database session (injected by session_dep)
+            id: ID of the entity to delete
+            commit: Whether to commit the transaction immediately
+
+        Returns:
+            The deleted entity instance or None if not found
+        """
         obj = await session.get(cls, id)
         if obj:
             await session.delete(obj)

src/quickbot/model/bot_enum.py

@@ -1,5 +1,8 @@
 from aiogram.utils.i18n import I18n
-from pydantic_core.core_schema import str_schema
+from pydantic import GetCoreSchemaHandler
+
+# from pydantic_core.core_schema import str_schema
+from pydantic_core import core_schema
 from sqlalchemy.types import TypeDecorator
 from sqlmodel import AutoString
 from typing import Any, Self, overload
@@ -59,13 +62,13 @@ class BotEnumMetaclass(type):
 
 class EnumMember(object):
     @overload
-    def __init__(self, value: str) -> "EnumMember": ...
+    def __init__(self, value: str) -> Self: ...
 
     @overload
-    def __init__(self, value: "EnumMember") -> "EnumMember": ...
+    def __init__(self, value: Self) -> Self: ...
 
     @overload
-    def __init__(self, value: str, loc_obj: dict[str, str]) -> "EnumMember": ...
+    def __init__(self, value: str, loc_obj: dict[str, str]) -> Self: ...
 
     def __init__(
         self,
@@ -74,7 +77,7 @@ class EnumMember(object):
         parent: type = None,
         name: str = None,
         casting: bool = True,
-    ) -> "EnumMember":
+    ) -> Self:
         if not casting:
             self._parent = parent
             self._name = name
@@ -82,9 +85,9 @@ class EnumMember(object):
             self.loc_obj = loc_obj
 
     @overload
-    def __new__(cls: Self, *args, **kwargs) -> "EnumMember": ...
+    def __new__(cls: Self, *args, **kwargs) -> Self: ...
 
-    def __new__(cls, *args, casting: bool = True, **kwargs) -> "EnumMember":
+    def __new__(cls, *args, casting: bool = True, **kwargs) -> Self:
         if (cls.__name__ == "EnumMember") or not casting:
             obj = super().__new__(cls)
             kwargs["casting"] = False
@@ -93,9 +96,10 @@ class EnumMember(object):
         if args.__len__() == 0:
             return list(cls.all_members.values())[0]
         if args.__len__() == 1 and isinstance(args[0], str):
-            return {member.value: member for key, member in cls.all_members.items()}[
+            for key, member in cls.all_members.items():
-                args[0]
+                if member.value == args[0]:
-            ]
+                    return member
+            return None
         elif args.__len__() == 1:
             return {member.value: member for key, member in cls.all_members.items()}[
                 args[0].value
@@ -103,8 +107,8 @@ class EnumMember(object):
         else:
             return args[0]
 
-    def __get_pydantic_core_schema__(cls, *args, **kwargs):
+    # def __get_pydantic_core_schema__(cls, *args, **kwargs):
-        return str_schema()
+    #     return str_schema()
 
     def __get__(self, instance, owner) -> Self:
         return {
@@ -135,6 +139,13 @@ class EnumMember(object):
     def __hash__(self):
         return hash(self.value)
 
+    def __lt__(self, other: Self | str | Any | None) -> bool:
+        if isinstance(other, str):
+            return self.value < other
+        if isinstance(other, EnumMember):
+            return self.value < other.value
+        return False
+
     def localized(self, lang: str = None) -> str:
         if self.loc_obj:
             if not lang:
@@ -151,6 +162,29 @@ class EnumMember(object):
 
         return self.value
 
+    @classmethod
+    def __get_pydantic_core_schema__(
+        cls, source_type: type, handler: GetCoreSchemaHandler
+    ) -> core_schema.CoreSchema:
+        return core_schema.no_info_after_validator_function(
+            function=cls._validate_from_string,
+            schema=core_schema.str_schema(),
+            serialization=core_schema.plain_serializer_function_ser_schema(
+                cls._serialize_to_string, return_schema=core_schema.str_schema()
+            ),
+        )
+
+    @classmethod
+    def _validate_from_string(cls, value: str) -> Self:
+        member = cls(value)
+        if member is None:
+            raise ValueError(f"Invalid value for {cls.__name__}: {value}")
+        return member
+
+    @classmethod
+    def _serialize_to_string(cls, value: Self) -> str:
+        return value.value
+
 
 class BotEnum(EnumMember, metaclass=BotEnumMetaclass):
     all_members: dict[str, EnumMember]

src/quickbot/model/bot_metadata.py

@@ -0,0 +1,16 @@
+from fastapi.datastructures import State
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from quickbot.main import QuickBot
+
+from .descriptors import EntityDescriptor, ProcessDescriptor
+from ._singleton import Singleton
+
+
+class BotMetadata(metaclass=Singleton):
+    def __init__(self):
+        self.entity_descriptors: dict[str, EntityDescriptor] = {}
+        self.process_descriptors: dict[str, ProcessDescriptor] = {}
+        self.app: "QuickBot" = None
+        self.app_state: State = None

src/quickbot/model/bot_process.py

@@ -0,0 +1,77 @@
+import inspect
+from typing_extensions import get_type_hints
+from pydantic import BaseModel
+from typing import ClassVar
+
+from .descriptors import ProcessDescriptor, BotContext, Process
+from .bot_metadata import BotMetadata
+
+
+class BotProcessMetaclass(type):
+    def __new__(mcs, name, bases, namespace, **kwargs):
+        if name == "BotProcess":
+            namespace.pop("run")
+            return super().__new__(mcs, name, bases, namespace, **kwargs)
+
+        run_attr = namespace.get("run", None)
+        if run_attr is None or not isinstance(run_attr, staticmethod):
+            raise TypeError(f"{name}.run must be defined as a @staticmethod")
+
+        func = run_attr.__func__
+        sig = inspect.signature(func)
+        if list(sig.parameters.keys()) not in [["context", "parameters"], ["context"]]:
+            raise TypeError(
+                f"{name}.run must have exactly two arguments: context, parameters or one argument: context"
+            )
+
+        hints = get_type_hints(func, globalns=globals(), localns=namespace)
+
+        # Check arguments
+        ctx_type = hints.get("context")
+        if ctx_type is None or not issubclass(ctx_type, BotContext):
+            raise TypeError(f"{name}.run: 'context' must be BotContext")
+
+        param_type = hints.get("parameters")
+        if param_type is not None and not issubclass(param_type, BaseModel):
+            raise TypeError(f"{name}.run: 'parameters' must be subclass of BaseModel")
+
+        return_type = hints.get("return")
+
+        # Auto-generation of schemas
+
+        descriptor_kwargs = {"process_class": None}
+        process_descriptor = namespace.pop("bot_process_descriptor", None)
+        if process_descriptor and isinstance(process_descriptor, Process):
+            descriptor_kwargs.update(process_descriptor.__dict__)
+
+        descriptor_kwargs.update(
+            name=name,
+            input_schema=param_type,
+            output_schema=return_type,
+        )
+
+        descriptor = ProcessDescriptor(**descriptor_kwargs)
+        namespace["bot_process_descriptor"] = descriptor
+
+        cls = super().__new__(mcs, name, bases, namespace, **kwargs)
+
+        descriptor.process_class = cls
+
+        bot_metadata = BotMetadata()
+        bot_metadata.process_descriptors[descriptor.name] = descriptor
+
+        namespace["bot_metadata"] = bot_metadata
+
+        return super().__new__(mcs, name, bases, namespace, **kwargs)
+
+
+class BotProcess(metaclass=BotProcessMetaclass):
+    """
+    Base class for business logic processes.
+    """
+
+    bot_process_descriptor: ClassVar[ProcessDescriptor]
+    bot_metadata: ClassVar[BotMetadata]
+
+    @staticmethod
+    def run(context: BotContext, parameters: BaseModel = None): ...

src/quickbot/model/crud_command.py

@@ -0,0 +1,9 @@
+from enum import StrEnum
+
+
+class CrudCommand(StrEnum):
+    LIST = "list"
+    GET_BY_ID = "get_by_id"
+    CREATE = "create"
+    UPDATE = "update"
+    DELETE = "delete"

src/quickbot/model/crud_service.py

@@ -0,0 +1,374 @@
+from sqlmodel import select, col
+from sqlmodel.ext.asyncio.session import AsyncSession
+from pydantic import BaseModel
+from quickbot.model.permissions import get_user_permissions
+from quickbot.model.descriptors import EntityDescriptor, BotContext
+from quickbot.model.crud_command import CrudCommand
+from quickbot.model.utils import (
+    entity_to_schema,
+    entity_to_list_schema,
+    pydantic_model,
+)
+from quickbot.model.descriptors import EntityPermission
+from sqlalchemy.exc import IntegrityError
+from asyncpg import ForeignKeyViolationError
+from logging import getLogger
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from quickbot.model.user import UserBase
+
+logger = getLogger(__name__)
+
+
+class NotFoundError(Exception):
+    pass
+
+
+class ForbiddenError(Exception):
+    pass
+
+
+class CrudService:
+    def __init__(
+        self,
+        entity_descriptor: EntityDescriptor,
+        commands: list[CrudCommand] = [
+            CrudCommand.LIST,
+            CrudCommand.GET_BY_ID,
+            CrudCommand.CREATE,
+            CrudCommand.UPDATE,
+            CrudCommand.DELETE,
+        ],
+        schema: type[BaseModel] = None,
+        create_schema: type[BaseModel] = None,
+        update_schema: type[BaseModel] = None,
+    ):
+        self.entity_descriptor = entity_descriptor
+        self.commands = commands
+        if CrudCommand.CREATE in commands:
+            self.create_schema = create_schema or pydantic_model(
+                entity_descriptor, entity_descriptor.type_.__module__, "create"
+            )
+        else:
+            self.create_schema = None
+        if CrudCommand.UPDATE in commands:
+            self.update_schema = update_schema or pydantic_model(
+                entity_descriptor, entity_descriptor.type_.__module__, "update"
+            )
+        else:
+            self.update_schema = None
+        self.schema = schema or pydantic_model(
+            entity_descriptor, entity_descriptor.type_.__module__
+        )
+
+    async def list_all(
+        self, db_session: AsyncSession, user: "UserBase"
+    ) -> list[BaseModel]:
+        if CrudCommand.LIST not in self.commands:
+            raise ForbiddenError(
+                f"List command not allowed for entity {self.entity_descriptor.name}"
+            )
+        user_permissions = get_user_permissions(user, self.entity_descriptor)
+        if (
+            EntityPermission.READ_ALL in user_permissions
+            or EntityPermission.READ_RLS in user_permissions
+        ):
+            ret_list = await self.entity_descriptor.type_.get_multi(
+                session=db_session,
+                user=user
+                if EntityPermission.READ_ALL not in user_permissions
+                else None,
+            )
+            return [entity_to_schema(item) for item in ret_list]
+        elif (
+            EntityPermission.LIST_ALL in user_permissions
+            or EntityPermission.LIST_RLS in user_permissions
+        ):
+            ret_list = await self.entity_descriptor.type_.get_multi(
+                session=db_session,
+                user=user
+                if EntityPermission.LIST_ALL not in user_permissions
+                else None,
+            )
+            context = BotContext(
+                db_session=db_session,
+                app=user.bot_metadata.app,
+                app_state=user.bot_metadata.app_state,
+                user=user,
+            )
+            return [await entity_to_list_schema(item, context) for item in ret_list]
+        else:
+            raise ForbiddenError(
+                f"User {user.id} does not have permission to read or list entities"
+            )
+
+    async def get_by_id(
+        self, db_session: AsyncSession, user: "UserBase", id: int
+    ) -> BaseModel:
+        if CrudCommand.GET_BY_ID not in self.commands:
+            raise ForbiddenError(
+                f"Get by id command not allowed for entity {self.entity_descriptor.name}"
+            )
+        ret_obj = await self.entity_descriptor.type_.get(session=db_session, id=id)
+        if ret_obj is None:
+            raise NotFoundError(f"Entity with id {id} not found")
+        return entity_to_schema(ret_obj)
+
+    async def create(
+        self, db_session: AsyncSession, user: "UserBase", model: BaseModel
+    ) -> BaseModel:
+        if CrudCommand.CREATE not in self.commands:
+            raise ForbiddenError(
+                f"Create command not allowed for entity {self.entity_descriptor.name}"
+            )
+        user_permissions = get_user_permissions(user, self.entity_descriptor)
+        if EntityPermission.CREATE_ALL in user_permissions:
+            # TODO: check if entity values are valid
+            pass
+        elif EntityPermission.CREATE_RLS in user_permissions:
+            # TODO: check if RLS fields are valid
+            # TODO: check if entity values are valid
+            pass
+        else:
+            raise ForbiddenError(
+                f"User {user.id} does not have permission to create entities"
+            )
+
+        obj_dict = {}
+        ret_obj_dict = {}
+        for field_descriptor in self.entity_descriptor.fields_descriptors.values():
+            # Only process fields present in the input model
+            field_name = field_descriptor.field_name
+            if field_name in model.__class__.model_fields:
+                # Handle list fields that are relations to other BotEntities
+                if (
+                    field_descriptor.is_list
+                    and isinstance(field_descriptor.type_base, type)
+                    and hasattr(field_descriptor.type_base, "bot_entity_descriptor")
+                ):
+                    items = (
+                        await db_session.exec(
+                            select(field_descriptor.type_base).where(
+                                col(field_descriptor.type_base.id).in_(
+                                    getattr(model, field_name)
+                                )
+                            )
+                        )
+                    ).all()
+                    obj_dict[field_name] = items
+                    ret_obj_dict[field_name] = [item.id for item in items]
+                elif isinstance(field_descriptor.type_base, type) and hasattr(
+                    field_descriptor.type_base, "all_members"
+                ):
+                    if field_descriptor.is_list:
+                        obj_dict[field_name] = [
+                            field_descriptor.type_base(item)
+                            for item in getattr(model, field_name)
+                        ]
+                    else:
+                        obj_dict[field_name] = field_descriptor.type_base(
+                            getattr(model, field_name)
+                        )
+                    ret_obj_dict[field_name] = getattr(model, field_name)
+                else:
+                    obj_dict[field_name] = getattr(model, field_name)
+                    ret_obj_dict[field_name] = getattr(model, field_name)
+        obj = self.entity_descriptor.type_(**obj_dict)
+        db_session.add(obj)
+        try:
+            await db_session.commit()
+        except IntegrityError as e:
+            if isinstance(e.orig.__cause__, ForeignKeyViolationError):
+                raise ValueError(e.orig.__cause__.detail)
+            raise ValueError("DB Integrity error")
+        except Exception as e:
+            logger.error(f"Error creating entity: {e}")
+            raise e
+        if "id" not in ret_obj_dict:
+            ret_obj_dict["id"] = obj.id
+        return self.schema(**ret_obj_dict)
+
+    async def update(
+        self, db_session: AsyncSession, user: "UserBase", id: int, model: BaseModel
+    ) -> BaseModel:
+        if CrudCommand.UPDATE not in self.commands:
+            raise ForbiddenError(
+                f"Update command not allowed for entity {self.entity_descriptor.name}"
+            )
+        user_permissions = get_user_permissions(user, self.entity_descriptor)
+        if EntityPermission.UPDATE_ALL in user_permissions:
+            # TODO: check if entity values are valid
+            pass
+        elif EntityPermission.UPDATE_RLS in user_permissions:
+            # TODO: check if RLS fields are valid
+            # TODO: check if entity values are valid
+            pass
+        else:
+            raise ForbiddenError(
+                f"User {user.id} does not have permission to update entities"
+            )
+
+        entity = await self.entity_descriptor.type_.get(session=db_session, id=id)
+        if entity is None:
+            raise NotFoundError(f"Entity with id {id} not found")
+        for field_descriptor in self.entity_descriptor.fields_descriptors.values():
+            field_name = field_descriptor.field_name
+            if field_name in model.model_fields_set:
+                model_field_value = getattr(model, field_name)
+                if (
+                    field_descriptor.is_list
+                    and isinstance(field_descriptor.type_base, type)
+                    and hasattr(field_descriptor.type_base, "bot_entity_descriptor")
+                ):
+                    items = (
+                        await db_session.exec(
+                            select(field_descriptor.type_base).where(
+                                col(field_descriptor.type_base.id).in_(
+                                    model_field_value
+                                )
+                            )
+                        )
+                    ).all()
+                    setattr(entity, field_name, items)
+                elif isinstance(field_descriptor.type_base, type) and hasattr(
+                    field_descriptor.type_base, "all_members"
+                ):
+                    if field_descriptor.is_list:
+                        setattr(
+                            entity,
+                            field_name,
+                            [
+                                field_descriptor.type_base(item)
+                                for item in model_field_value
+                            ],
+                        )
+                    else:
+                        setattr(
+                            entity,
+                            field_name,
+                            field_descriptor.type_base(model_field_value),
+                        )
+                else:
+                    setattr(entity, field_name, model_field_value)
+        try:
+            await db_session.commit()
+        except IntegrityError as e:
+            if isinstance(e.orig.__cause__, ForeignKeyViolationError):
+                raise ValueError(e.orig.__cause__.detail)
+            raise ValueError("DB Integrity error")
+        except Exception as e:
+            logger.error(f"Error updating entity: {e}")
+            raise e
+        return entity_to_schema(entity)
+
+    async def delete(
+        self, db_session: AsyncSession, user: "UserBase", id: int
+    ) -> BaseModel:
+        if CrudCommand.DELETE not in self.commands:
+            raise ForbiddenError(
+                f"Delete command not allowed for entity {self.entity_descriptor.name}"
+            )
+        user_permissions = get_user_permissions(user, self.entity_descriptor)
+        if EntityPermission.DELETE_ALL in user_permissions:
+            pass
+        elif EntityPermission.DELETE_RLS in user_permissions:
+            # TODO: check if RLS fields are valid
+            pass
+        else:
+            raise ForbiddenError(
+                f"User {user.id} does not have permission to delete entities"
+            )
+
+        try:
+            entity = await self.entity_descriptor.type_.remove(
+                session=db_session, id=id, commit=True
+            )
+        except IntegrityError as e:
+            if isinstance(e.orig.__cause__, ForeignKeyViolationError):
+                raise ValueError(e.orig.__cause__.detail)
+            raise ValueError("DB Integrity error")
+        except Exception as e:
+            logger.error(f"Error deleting entity: {e}")
+            raise e
+        if entity is None:
+            raise NotFoundError(f"Entity with id {id} not found")
+        return entity_to_schema(entity)
+
+    # async def _create_from_schema(
+    #     cls: type[BotEntity],
+    #     *,
+    #     session: AsyncSession | None = None,
+    #     obj_in: BaseModel,
+    # ):
+    #     """
+    #     Create a new entity instance from a Pydantic model.
+
+    #     Args:
+    #         session: Database session (injected by session_dep)
+    #         obj_in: Pydantic model to create the entity from
+
+    #     Returns:
+    #         The created entity instance
+    #     """
+    #     obj_dict = {}
+    #     ret_obj_dict = {}
+    #     for field_descriptor in cls.bot_entity_descriptor.fields_descriptors.values():
+    #         # Only process fields present in the input model
+    #         if field_descriptor.field_name in obj_in.__class__.model_fields:
+    #             # Handle list fields that are relations to other BotEntities
+    #             if (
+    #                 field_descriptor.is_list
+    #                 and isinstance(field_descriptor.type_base, type)
+    #                 and issubclass(field_descriptor.type_base, BotEntity)
+    #             ):
+    #                 items = (
+    #                     await session.exec(
+    #                         select(field_descriptor.type_base).where(
+    #                             col(field_descriptor.type_base.id).in_(
+    #                                 getattr(obj_in, field_descriptor.field_name)
+    #                             )
+    #                         )
+    #                     )
+    #                 ).all()
+    #                 obj_dict[field_descriptor.field_name] = items
+    #                 ret_obj_dict[field_descriptor.field_name] = [
+    #                     item.id for item in items
+    #                 ]
+    #             else:
+    #                 obj_dict[field_descriptor.field_name] = getattr(
+    #                     obj_in, field_descriptor.field_name
+    #                 )
+    #                 ret_obj_dict[field_descriptor.field_name] = getattr(
+    #                     obj_in, field_descriptor.field_name
+    #                 )
+    #     obj = cls(**obj_dict)
+    #     session.add(obj)
+    #     await session.commit()
+    #     if "id" not in ret_obj_dict:
+    #         ret_obj_dict["id"] = obj.id
+    #     return cls.bot_entity_descriptor.schema_class(**ret_obj_dict)
+
+
+# @classmethod
+# def apply_filters(
+#     cls,
+#     select_statement: SelectOfScalar[Self],
+#     filters: Filter | FilterExpression | None = None,
+# ) -> SelectOfScalar[Self]:
+#     """
+#     Apply filters to a select statement.
+
+#     Args:
+#         select_statement: SQLAlchemy select statement to modify
+#         filters: Filter or FilterExpression to apply
+
+#     Returns:
+#         Modified select statement with filter conditions
+#     """
+#     if filters is None:
+#         return select_statement
+#     condition = cls._build_filter_condition(filters)
+#     if condition is not None:
+#         return select_statement.where(condition)
+#     return select_statement

src/quickbot/model/descriptors.py

@@ -5,7 +5,11 @@ from aiogram.utils.keyboard import InlineKeyboardBuilder
 from typing import Any, Callable, TYPE_CHECKING, Literal, Union
 from babel.support import LazyProxy
 from dataclasses import dataclass, field
+from fastapi.datastructures import State
+from pydantic import BaseModel
+from pydantic_core import PydanticUndefined
 from sqlmodel.ext.asyncio.session import AsyncSession
+from sqlalchemy.orm import InstrumentedAttribute
 
 from .role import RoleBase
 from . import EntityPermission
@@ -13,37 +17,41 @@ from ..bot.handlers.context import ContextData
 
 if TYPE_CHECKING:
     from .bot_entity import BotEntity
-    from ..main import QBotApp
+    from ..main import QuickBot
     from .user import UserBase
+    from .crud_service import CrudService
+    from .bot_process import BotProcess
 
-EntityCaptionCallable = Callable[["EntityDescriptor"], str]
+# EntityCaptionCallable = Callable[["EntityDescriptor"], str]
-EntityItemCaptionCallable = Callable[["EntityDescriptor", Any], str]
+# EntityItemCaptionCallable = Callable[["EntityDescriptor", Any], str]
-EntityFieldCaptionCallable = Callable[["FieldDescriptor", Any, Any], str]
+# EntityFieldCaptionCallable = Callable[["FieldDescriptor", Any, Any], str]
 
 
 @dataclass
-class FieldEditButton:
+class FieldEditButton[T: "BotEntity"]:
-    field_name: str
+    field: str | Callable[[type[T]], InstrumentedAttribute]
-    caption: str | LazyProxy | EntityFieldCaptionCallable | None = None
+    caption: str | LazyProxy | Callable[[T, "BotContext"], str] | None = None
-    visibility: Callable[[Any], bool] | None = None
+    visibility: Callable[[T, "BotContext"], bool] | None = None
 
 
 @dataclass
-class CommandButton:
+class CommandButton[T: "BotEntity"]:
-    command: ContextData | Callable[[ContextData, Any], ContextData] | str
+    command: ContextData | Callable[[T, "BotContext"], ContextData] | str
-    caption: str | LazyProxy | EntityItemCaptionCallable
+    caption: str | LazyProxy | Callable[[T, "BotContext"], str] | None = None
-    visibility: Callable[[Any], bool] | None = None
+    visibility: Callable[[T, "BotContext"], bool] | None = None
 
 
 @dataclass
-class InlineButton:
+class InlineButton[T: "BotEntity"]:
-    inline_button: InlineKeyboardButton | Callable[[Any], InlineKeyboardButton]
+    inline_button: (
-    visibility: Callable[[Any], bool] | None = None
+        InlineKeyboardButton | Callable[[T, "BotContext"], InlineKeyboardButton]
+    )
+    visibility: Callable[[T, "BotContext"], bool] | None = None
 
 
 @dataclass
-class Filter:
+class Filter[T: "BotEntity"]:
-    field_name: str
+    field: str | Callable[[type[T]], InstrumentedAttribute]
     operator: Literal[
         "==",
         "!=",
@@ -63,50 +71,159 @@ class Filter:
     value: Any | None = None
     param_index: int | None = None
 
+    def __or__(self, other: "Filter[T] | FilterExpression[T]") -> "FilterExpression[T]":
+        """Create OR expression with another filter or expression"""
+        if isinstance(other, Filter):
+            return FilterExpression("or", [self, other])
+        elif isinstance(other, FilterExpression):
+            if other.operator == "or":
+                # Simplify: filter | (a | b) = (filter | a | b)
+                return FilterExpression("or", [self] + other.filters)
+            else:
+                return FilterExpression("or", [self, other])
+        else:
+            raise TypeError(f"Cannot combine Filter with {type(other)}")
+
+    def __and__(
+        self, other: "Filter[T] | FilterExpression[T]"
+    ) -> "FilterExpression[T]":
+        """Create AND expression with another filter or expression"""
+        if isinstance(other, Filter):
+            return FilterExpression("and", [self, other])
+        elif isinstance(other, FilterExpression):
+            if other.operator == "and":
+                # Simplify: filter & (a & b) = (filter & a & b)
+                return FilterExpression("and", [self] + other.filters)
+            else:
+                return FilterExpression("and", [self, other])
+        else:
+            raise TypeError(f"Cannot combine Filter with {type(other)}")
+
+
+class FilterExpression[T: "BotEntity"]:
+    """
+    Represents a logical expression combining multiple filters with AND/OR operations.
+    Supports expression simplification for optimal query building.
+    """
+
+    def __init__(
+        self,
+        operator: Literal["or", "and"],
+        filters: list["Filter[T] | FilterExpression[T]"],
+    ):
+        self.operator = operator
+        self.filters = self._simplify_filters(filters)
+
+    def _simplify_filters(
+        self, filters: list["Filter[T] | FilterExpression[T]"]
+    ) -> list["Filter[T] | FilterExpression[T]"]:
+        """Simplify filters by flattening nested expressions with the same operator"""
+        simplified = []
+        for filter_obj in filters:
+            if (
+                isinstance(filter_obj, FilterExpression)
+                and filter_obj.operator == self.operator
+            ):
+                # Flatten nested expressions with the same operator
+                simplified.extend(filter_obj.filters)
+            else:
+                simplified.append(filter_obj)
+        return simplified
+
+    def __or__(self, other: "Filter[T] | FilterExpression[T]") -> "FilterExpression[T]":
+        """Combine with another filter or expression using OR"""
+        if isinstance(other, (Filter, FilterExpression)):
+            if isinstance(other, FilterExpression) and other.operator == "or":
+                # Simplify: (a | b) | (c | d) = (a | b | c | d)
+                return FilterExpression("or", self.filters + other.filters)
+            else:
+                return FilterExpression("or", [self, other])
+        else:
+            raise TypeError(f"Cannot combine FilterExpression with {type(other)}")
+
+    def __and__(
+        self, other: "Filter[T] | FilterExpression[T]"
+    ) -> "FilterExpression[T]":
+        """Combine with another filter or expression using AND"""
+        if isinstance(other, (Filter, FilterExpression)):
+            if isinstance(other, FilterExpression) and other.operator == "and":
+                # Simplify: (a & b) & (c & d) = (a & b & c & d)
+                return FilterExpression("and", self.filters + other.filters)
+            else:
+                return FilterExpression("and", [self, other])
+        else:
+            raise TypeError(f"Cannot combine FilterExpression with {type(other)}")
+
 
 @dataclass
-class EntityList:
+class EntityList[T: "BotEntity"]:
-    caption: str | LazyProxy | EntityCaptionCallable | None = None
+    caption: (
-    item_repr: EntityItemCaptionCallable | None = None
+        str | LazyProxy | Callable[["EntityDescriptor", "BotContext"], str] | None
+    ) = None
+    item_repr: Callable[[T, "BotContext"], str] | None = None
     show_add_new_button: bool = True
     item_form: str | None = None
     pagination: bool = True
-    static_filters: list[Filter] = None
+    static_filters: Filter[T] | FilterExpression[T] | None = None
     filtering: bool = False
     filtering_fields: list[str] = None
     order_by: str | Any | None = None
 
 
 @dataclass
-class EntityForm:
+class EntityForm[T: "BotEntity"]:
-    item_repr: EntityItemCaptionCallable | None = None
+    item_repr: Callable[[T, "BotContext"], str] | None = None
     edit_field_sequence: list[str] = None
     form_buttons: list[list[FieldEditButton | CommandButton | InlineButton]] = None
     show_edit_button: bool = True
     show_delete_button: bool = True
+    before_open: Callable[[T, "BotContext"], None] | None = None
 
 
 @dataclass(kw_only=True)
-class _BaseFieldDescriptor:
+class _BaseFieldDescriptor[T: "BotEntity"]:
     icon: str = None
-    caption: str | LazyProxy | EntityFieldCaptionCallable | None = None
+    caption: (
-    description: str | LazyProxy | EntityFieldCaptionCallable | None = None
+        str | LazyProxy | Callable[["FieldDescriptor", "BotContext"], str] | None
-    edit_prompt: str | LazyProxy | EntityFieldCaptionCallable | None = None
+    ) = None
-    caption_value: EntityFieldCaptionCallable | None = None
+    description: str | LazyProxy | None = PydanticUndefined
-    is_visible: bool | None = None
+    edit_prompt: (
+        str
+        | LazyProxy
+        | Callable[["FieldDescriptor", Union[T, Any], "BotContext"], str]
+        | None
+    ) = None
+    caption_value: (
+        Callable[["FieldDescriptor", Union[T, Any], "BotContext"], str] | None
+    ) = None
+    is_visible: bool | Callable[["FieldDescriptor", T, "BotContext"], bool] | None = (
+        None
+    )
+    is_visible_in_edit_form: (
+        bool | Callable[["FieldDescriptor", Union[T, Any], "BotContext"], bool] | None
+    ) = None
+    validator: Callable[[Any, "BotContext"], Union[bool, str]] | None = None
     localizable: bool = False
     bool_false_value: str | LazyProxy = "no"
     bool_true_value: str | LazyProxy = "yes"
-    ep_form: str | None = None
+    ep_form: str | Callable[["BotContext"], str] | None = None
-    ep_parent_field: str | None = None
+    ep_parent_field: str | Callable[[type[T]], InstrumentedAttribute] | None = None
-    ep_child_field: str | None = None
+    ep_child_field: str | Callable[[type[T]], InstrumentedAttribute] | None = None
     dt_type: Literal["date", "datetime"] = "date"
-    default: Any = None
+    options: (
+        list[list[Union[Any, tuple[Any, str]]]]
+        | Callable[[T, "BotContext"], list[list[Union[Any, tuple[Any, str]]]]]
+        | None
+    ) = None
+    options_custom_value: bool = True
+    show_current_value_button: bool = True
+    show_skip_in_editor: Literal[False, "Auto"] = "Auto"
+    default: Any = PydanticUndefined
     default_factory: Callable[[], Any] | None = None
 
 
 @dataclass(kw_only=True)
-class EntityField(_BaseFieldDescriptor):
+class EntityField[T: "BotEntity"](_BaseFieldDescriptor[T]):
     name: str | None = None
     sm_descriptor: Any = None
 
@@ -117,7 +234,7 @@ class Setting(_BaseFieldDescriptor):
 
 
 @dataclass(kw_only=True)
-class FormField(_BaseFieldDescriptor):
+class FormField[T: "BotEntity"](_BaseFieldDescriptor[T]):
     name: str | None = None
     type_: type
 
@@ -138,12 +255,19 @@ class FieldDescriptor(_BaseFieldDescriptor):
 
 
 @dataclass(kw_only=True)
-class _BaseEntityDescriptor:
+class _BaseEntityDescriptor[T: "BotEntity"]:
     icon: str = "📘"
-    full_name: str | LazyProxy | EntityCaptionCallable | None = None
+    full_name: (
-    full_name_plural: str | LazyProxy | EntityCaptionCallable | None = None
+        str | LazyProxy | Callable[["EntityDescriptor", "BotContext"], str] | None
-    description: str | LazyProxy | EntityCaptionCallable | None = None
+    ) = None
-    item_repr: EntityItemCaptionCallable | None = None
+    full_name_plural: (
+        str | LazyProxy | Callable[["EntityDescriptor", "BotContext"], str] | None
+    ) = None
+    description: str | None = None
+    ui_description: (
+        str | LazyProxy | Callable[["EntityDescriptor", "BotContext"], str] | None
+    ) = None
+    item_repr: Callable[[T, "BotContext"], str] | None = None
     default_list: EntityList = field(default_factory=EntityList)
     default_form: EntityForm = field(default_factory=EntityForm)
     lists: dict[str, EntityList] = field(default_factory=dict[str, EntityList])
@@ -152,11 +276,11 @@ class _BaseEntityDescriptor:
     ownership_fields: dict[RoleBase, str] = field(default_factory=dict[RoleBase, str])
     permissions: dict[EntityPermission, list[RoleBase]] = field(
         default_factory=lambda: {
-            EntityPermission.LIST: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
+            EntityPermission.LIST_RLS: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
-            EntityPermission.READ: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
+            EntityPermission.READ_RLS: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
-            EntityPermission.CREATE: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
+            EntityPermission.CREATE_RLS: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
-            EntityPermission.UPDATE: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
+            EntityPermission.UPDATE_RLS: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
-            EntityPermission.DELETE: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
+            EntityPermission.DELETE_RLS: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER],
             EntityPermission.LIST_ALL: [RoleBase.SUPER_USER],
             EntityPermission.READ_ALL: [RoleBase.SUPER_USER],
             EntityPermission.CREATE_ALL: [RoleBase.SUPER_USER],
@@ -164,13 +288,23 @@ class _BaseEntityDescriptor:
             EntityPermission.DELETE_ALL: [RoleBase.SUPER_USER],
         }
     )
-    on_created: Callable[["BotEntity", "EntityEventContext"], None] | None = None
+    rls_filters: Filter[T] | FilterExpression[T] | None = None
-    on_deleted: Callable[["BotEntity", "EntityEventContext"], None] | None = None
+    rls_filters_params: Callable[["UserBase"], list[Any]] = lambda user: [user.id]
-    on_updated: Callable[["BotEntity", "EntityEventContext"], None] | None = None
+    before_create: Callable[["BotContext"], Union[bool, str]] | None = None
+    before_create_save: Callable[[T, "BotContext"], Union[bool, str]] | None = None
+    before_update_save: (
+        Callable[[dict[str, Any], dict[str, Any], "BotContext"], Union[bool, str]]
+        | None
+    ) = None
+    before_delete: Callable[[T, "BotContext"], Union[bool, str]] | None = None
+    on_created: Callable[[T, "BotContext"], None] | None = None
+    on_deleted: Callable[[T, "BotContext"], None] | None = None
+    on_updated: Callable[[dict[str, Any], T, "BotContext"], None] | None = None
+    crud: Union["CrudService", None] = None
 
 
 @dataclass(kw_only=True)
-class Entity(_BaseEntityDescriptor):
+class Entity[T: "BotEntity"](_BaseEntityDescriptor[T]):
     name: str | None = None
 
 
@@ -183,17 +317,19 @@ class EntityDescriptor(_BaseEntityDescriptor):
 
 
 @dataclass(kw_only=True)
-class CommandCallbackContext[UT: UserBase]:
+class CommandCallbackContext:
     keyboard_builder: InlineKeyboardBuilder = field(
         default_factory=InlineKeyboardBuilder
     )
     message_text: str | None = None
     register_navigation: bool = True
+    clear_navigation: bool = False
     message: Message | CallbackQuery
     callback_data: ContextData
     db_session: AsyncSession
-    user: UT
+    user: "UserBase"
-    app: "QBotApp"
+    app: "QuickBot"
+    app_state: State
     state_data: dict[str, Any]
     state: FSMContext
     form_data: dict[str, Any]
@@ -202,10 +338,13 @@ class CommandCallbackContext[UT: UserBase]:
 
 
 @dataclass(kw_only=True)
-class EntityEventContext:
+class BotContext:
     db_session: AsyncSession
-    app: "QBotApp"
+    app: "QuickBot"
+    app_state: State
+    user: "UserBase"
     message: Message | CallbackQuery | None = None
+    default_handler: Callable[["BotEntity", "BotContext"], None] | None = None
 
 
 @dataclass(kw_only=True)
@@ -221,3 +360,31 @@ class BotCommand:
     show_cancel_in_param_form: bool = True
     show_back_in_param_form: bool = True
     handler: Callable[[CommandCallbackContext], None]
+
+
+@dataclass(kw_only=True)
+class _BaseProcessDescriptor:
+    description: str | LazyProxy | None = None
+    roles: list[RoleBase] = field(
+        default_factory=lambda: [RoleBase.DEFAULT_USER, RoleBase.SUPER_USER]
+    )
+    icon: str | None = None
+    caption: str | LazyProxy | None = None
+    pre_check: Callable[[BotContext], bool | str] | None = None
+    show_in_bot_menu: bool = False
+    answer_message: Callable[[BotContext, BaseModel], str] | None = None
+    answer_inline_buttons: (
+        Callable[[BotContext, BaseModel], list[InlineKeyboardButton]] | None
+    ) = None
+
+
+@dataclass(kw_only=True)
+class ProcessDescriptor(_BaseProcessDescriptor):
+    name: str
+    process_class: type["BotProcess"]
+    input_schema: type[BaseModel] | None = None
+    output_schema: type[BaseModel] | None = None
+
+
+@dataclass(kw_only=True)
+class Process(_BaseProcessDescriptor): ...

src/quickbot/model/entity_metadata.py

@@ -1,7 +0,0 @@
-from .descriptors import EntityDescriptor
-from ._singleton import Singleton
-
-
-class EntityMetadata(metaclass=Singleton):
-    def __init__(self):
-        self.entity_descriptors: dict[str, EntityDescriptor] = {}

src/quickbot/model/language.py

@@ -2,4 +2,4 @@ from .bot_enum import BotEnum, EnumMember
 
 
 class LanguageBase(BotEnum):
-    EN = EnumMember("en", {"en": "🇬🇧 english"})
+    DEFAULT = EnumMember("default")

src/quickbot/model/list_schema.py

@@ -0,0 +1,6 @@
+from pydantic import BaseModel
+
+
+class ListSchema(BaseModel):
+    id: int
+    name: str

src/quickbot/model/permissions.py

@@ -0,0 +1,192 @@
+from inspect import iscoroutinefunction
+from quickbot.model.descriptors import EntityDescriptor, EntityPermission
+from quickbot.model.descriptors import Filter, FilterExpression
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from quickbot.model.user import UserBase
+    from quickbot.model.bot_entity import BotEntity
+
+
+def get_user_permissions(
+    user: "UserBase", entity_descriptor: EntityDescriptor
+) -> list[EntityPermission]:
+    permissions = list[EntityPermission]()
+    for permission, roles in entity_descriptor.permissions.items():
+        for role in roles:
+            if role in user.roles:
+                permissions.append(permission)
+                break
+    return permissions
+
+
+async def check_entity_permission(
+    entity: "BotEntity", user: "UserBase", permission: EntityPermission
+) -> bool:
+    perm_mapping = {
+        EntityPermission.LIST_RLS: EntityPermission.LIST_ALL,
+        EntityPermission.READ_RLS: EntityPermission.READ_ALL,
+        EntityPermission.UPDATE_RLS: EntityPermission.UPDATE_ALL,
+        EntityPermission.CREATE_RLS: EntityPermission.CREATE_ALL,
+        EntityPermission.DELETE_RLS: EntityPermission.DELETE_ALL,
+    }
+
+    if permission not in perm_mapping:
+        raise ValueError(f"Invalid permission: {permission}")
+
+    entity_descriptor = entity.__class__.bot_entity_descriptor
+    permissions = get_user_permissions(user, entity_descriptor)
+
+    # Check if user has the corresponding ALL permission
+    if perm_mapping[permission] in permissions:
+        return True
+
+    # Check RLS filters if they exist
+    if entity_descriptor.rls_filters:
+        # Get parameters for RLS
+        params = []
+        if entity_descriptor.rls_filters_params:
+            if iscoroutinefunction(entity_descriptor.rls_filters_params):
+                params = await entity_descriptor.rls_filters_params(user)
+            else:
+                params = entity_descriptor.rls_filters_params(user)
+
+        # Create a copy of the RLS filters with parameter values substituted
+        rls_filters = entity.__class__._substitute_rls_parameters(
+            entity_descriptor.rls_filters, params
+        )
+
+        # Check if the entity matches the RLS filters by evaluating the condition
+        # against the entity's attributes
+        if _entity_matches_rls_filters(entity, rls_filters):
+            return True
+
+    # If no RLS filters are defined, check if user has the RLS permission
+    if permission in permissions:
+        return True
+
+    return False
+
+
+def _entity_matches_rls_filters(
+    entity: "BotEntity", rls_filters: "Filter | FilterExpression"
+) -> bool:
+    """
+    Check if an entity matches the given RLS filters by evaluating the filters
+    against the entity's attributes.
+
+    Args:
+        entity: The entity to check
+        rls_filters: RLS filters to evaluate
+
+    Returns:
+        True if the entity matches the filters, False otherwise
+    """
+
+    if isinstance(rls_filters, Filter):
+        return _evaluate_single_filter(entity, rls_filters)
+    elif isinstance(rls_filters, FilterExpression):
+        return _evaluate_filter_expression(entity, rls_filters)
+    else:
+        return False
+
+
+def _evaluate_single_filter(entity: "BotEntity", filter_obj: "Filter") -> bool:
+    """Evaluate a single filter against an entity"""
+    # Get the field value from the entity
+    if isinstance(filter_obj.field, str):
+        field_value = getattr(entity, filter_obj.field, None)
+    else:
+        # Handle callable field (should return the field name)
+        field_name = filter_obj.field(entity.__class__).key
+        field_value = getattr(entity, field_name, None)
+
+    # Apply the operator
+    if filter_obj.operator == "==":
+        return field_value == filter_obj.value
+    elif filter_obj.operator == "!=":
+        return field_value != filter_obj.value
+    elif filter_obj.operator == ">":
+        return field_value > filter_obj.value
+    elif filter_obj.operator == "<":
+        return field_value < filter_obj.value
+    elif filter_obj.operator == ">=":
+        return field_value >= filter_obj.value
+    elif filter_obj.operator == "<=":
+        return field_value <= filter_obj.value
+    elif filter_obj.operator == "in":
+        return field_value in filter_obj.value
+    elif filter_obj.operator == "not in":
+        return field_value not in filter_obj.value
+    elif filter_obj.operator == "like":
+        return str(field_value).find(str(filter_obj.value)) != -1
+    elif filter_obj.operator == "ilike":
+        return str(field_value).lower().find(str(filter_obj.value).lower()) != -1
+    elif filter_obj.operator == "is none":
+        return field_value is None
+    elif filter_obj.operator == "is not none":
+        return field_value is not None
+    elif filter_obj.operator == "contains":
+        return filter_obj.value in field_value
+    else:
+        return False
+
+
+def _evaluate_filter_expression(
+    entity: "BotEntity", filter_expr: "FilterExpression"
+) -> bool:
+    """Evaluate a filter expression against an entity"""
+    results = []
+    for sub_filter in filter_expr.filters:
+        if isinstance(sub_filter, Filter):
+            result = _evaluate_single_filter(entity, sub_filter)
+        elif isinstance(sub_filter, FilterExpression):
+            result = _evaluate_filter_expression(entity, sub_filter)
+        else:
+            result = False
+        results.append(result)
+
+    if not results:
+        return False
+
+    # Apply the logical operator
+    if filter_expr.operator == "and":
+        return all(results)
+    elif filter_expr.operator == "or":
+        return any(results)
+    else:
+        return False
+
+
+def _extract_rls_filter_fields(entity_descriptor: EntityDescriptor) -> set[str]:
+    return _extract_filter_fields(
+        entity_descriptor.rls_filters, entity_descriptor.type_
+    )
+
+
+def _extract_filter_fields(
+    filter: Filter | FilterExpression | None, entity_type: type
+) -> set[str]:
+    fields = set()
+
+    if filter:
+        if isinstance(filter, Filter):
+            if filter.operator == "==":
+                if isinstance(filter.field, str):
+                    fields.add(filter.field)
+                else:
+                    fields.add(filter.field(entity_type).key)
+
+        elif isinstance(filter, FilterExpression):
+            if (
+                filter.operator == "and"
+                and all(isinstance(sub_filter, Filter) for sub_filter in filter.filters)
+                and all(sub_filter.operator == "==" for sub_filter in filter.filters)
+            ):
+                for sub_filter in filter.filters:
+                    if isinstance(sub_filter.field, str):
+                        fields.add(sub_filter.field)
+                    else:
+                        fields.add(sub_filter.field(entity_type).key)
+
+    return fields

src/quickbot/model/pydantic_json.py

@@ -0,0 +1,53 @@
+from typing import Any, Type
+from pydantic import BaseModel
+from sqlmodel import TypeDecorator, JSON
+
+
+class PydanticJSON(TypeDecorator):
+    """
+    SQLAlchemy-compatible JSON type for storing Pydantic models
+    (including nested ones). Automatically serializes on insert
+    and deserializes on read.
+    """
+
+    impl = JSON
+    cache_ok = True
+
+    def __init__(self, model_class: Type[BaseModel], *args, **kwargs):
+        if not issubclass(model_class, BaseModel):
+            raise TypeError("PydanticJSON expects a Pydantic BaseModel subclass")
+        self.model_class = model_class
+        super().__init__(*args, **kwargs)
+
+    def process_bind_param(self, value: Any, dialect) -> Any:
+        """
+        Serialize Python object to JSON-compatible form before saving to DB.
+        """
+        if value is None:
+            return None
+
+        if isinstance(value, list):
+            return [
+                item.model_dump(mode="json") if isinstance(item, BaseModel) else item
+                for item in value
+            ]
+
+        if isinstance(value, BaseModel):
+            return value.model_dump(mode="json")
+
+        return value  # assume already JSON-serializable
+
+    def process_result_value(self, value: Any, dialect) -> Any:
+        """
+        Deserialize JSON data from DB back into Python object.
+        """
+        if value is None:
+            return None
+
+        if isinstance(value, list):
+            return [self.model_class(**item) for item in value]
+
+        if isinstance(value, dict):
+            return self.model_class(**value)
+
+        raise TypeError(f"Unsupported value type for deserialization: {type(value)}")

src/quickbot/model/role.py

@@ -2,5 +2,5 @@ from .bot_enum import BotEnum, EnumMember
 
 
 class RoleBase(BotEnum):
-    SUPER_USER = EnumMember("super_user")
+    SUPER_USER = EnumMember("super_user", {"default": "admin"})
-    DEFAULT_USER = EnumMember("default_user")
+    DEFAULT_USER = EnumMember("default_user", {"default": "user"})

src/quickbot/model/settings.py

@@ -2,6 +2,7 @@ from types import NoneType, UnionType
 from aiogram.utils.i18n.context import get_i18n
 from datetime import datetime
 from sqlmodel import SQLModel, Field, select
+from sqlmodel.ext.asyncio.session import AsyncSession
 from typing import Any, get_args, get_origin
 
 from ..db import async_session
@@ -193,11 +194,23 @@ class Settings(metaclass=SettingsMetaclass):
     )
 
     @classmethod
-    async def get[T](cls, param: T, all_locales=False, locale: str = None) -> T:
+    async def get[T](
+        cls,
+        param: T,
+        session: AsyncSession = None,
+        all_locales=False,
+        locale: str = None,
+    ) -> T:
         name = param.field_name
 
         if name not in cls._cache.keys():
-            cls._cache[name] = await cls.load_param(param)
+            if session is None:
+                async with async_session() as session:
+                    cls._cache[name] = await cls.load_param(
+                        session=session, param=param
+                    )
+            else:
+                cls._cache[name] = await cls.load_param(session=session, param=param)
 
         ret_val = cls._cache[name]
 
@@ -213,8 +226,7 @@ class Settings(metaclass=SettingsMetaclass):
         return ret_val
 
     @classmethod
-    async def load_param(cls, param: FieldDescriptor) -> Any:
+    async def load_param(cls, session: AsyncSession, param: FieldDescriptor) -> Any:
-        async with async_session() as session:
         db_setting = (
             await session.exec(
                 select(DbSettings).where(DbSettings.name == param.field_name)
@@ -240,20 +252,20 @@ class Settings(metaclass=SettingsMetaclass):
             )
         )
 
-    @classmethod
+    # @classmethod
-    async def load_params(cls):
+    # async def load_params(cls):
-        async with async_session() as session:
+    #     async with async_session() as session:
-            db_settings = (await session.exec(select(DbSettings))).all()
+    #         db_settings = (await session.exec(select(DbSettings))).all()
-            for db_setting in db_settings:
+    #         for db_setting in db_settings:
-                if db_setting.name in cls.__dict__:
+    #             if db_setting.name in cls.__dict__:
-                    setting = cls.__dict__[db_setting.name]  # type: FieldDescriptor
+    #                 setting = cls.__dict__[db_setting.name]  # type: FieldDescriptor
-                    cls._cache[db_setting.name] = await deserialize(
+    #                 cls._cache[db_setting.name] = await deserialize(
-                        session=session,
+    #                     session=session,
-                        type_=setting.type_,
+    #                     type_=setting.type_,
-                        value=db_setting.value,
+    #                     value=db_setting.value,
-                    )
+    #                 )
 
-        cls._loaded = True
+    #     cls._loaded = True
 
     @classmethod
     async def set_param(cls, param: str | FieldDescriptor, value) -> None:

src/quickbot/model/user.py

@@ -1,3 +1,4 @@
+from sqlalchemy import BigInteger
 from sqlmodel import Field, ARRAY
 
 from .bot_entity import BotEntity
@@ -5,6 +6,7 @@ from .bot_enum import EnumType
 from .language import LanguageBase
 from .role import RoleBase
 
+from .descriptors import EntityField
 from .settings import DbSettings as DbSettings
 from .fsm_storage import FSMStorage as FSMStorage
 from .view_setting import ViewSetting as ViewSetting
@@ -13,11 +15,24 @@ from .view_setting import ViewSetting as ViewSetting
 class UserBase(BotEntity, table=False):
     __tablename__ = "user"
 
-    lang: LanguageBase = Field(sa_type=EnumType(LanguageBase), default=LanguageBase.EN)
+    id: int = EntityField(
-    is_active: bool = True
+        description="User Telegram ID",
+        sm_descriptor=Field(primary_key=True, sa_type=BigInteger),
+        is_visible=False,
+    )
 
-    name: str
+    lang: LanguageBase = Field(
+        description="User language",
+        sa_type=EnumType(LanguageBase),
+        default_factory=lambda: LanguageBase.DEFAULT,
+    )
+
+    is_active: bool = EntityField(description="User is active", default=True)
+
+    name: str = EntityField(description="User name")
 
     roles: list[RoleBase] = Field(
-        sa_type=ARRAY(EnumType(RoleBase)), default=[RoleBase.DEFAULT_USER]
+        description="User roles",
+        sa_type=ARRAY(EnumType(RoleBase)),
+        default_factory=lambda: [RoleBase.DEFAULT_USER],
     )

src/quickbot/model/utils.py

@@ -0,0 +1,364 @@
+from inspect import iscoroutinefunction
+from typing import Any, Optional, get_origin
+from pydantic import BaseModel, Field
+from pydantic.fields import _Unset
+from pydantic_core import PydanticUndefined
+from typing_extensions import Literal
+from sqlmodel import SQLModel, col, column
+from sqlmodel.sql.expression import SelectOfScalar
+from typing import TYPE_CHECKING
+
+from quickbot.model.list_schema import ListSchema
+from quickbot.model.descriptors import (
+    EntityDescriptor,
+    Filter,
+    FilterExpression,
+    BotContext,
+)
+from quickbot.utils.main import get_entity_item_repr
+
+if TYPE_CHECKING:
+    from quickbot import BotEntity, BotEnum
+    from quickbot.model.user import UserBase
+
+
+def entity_to_schema(entity: "BotEntity") -> BaseModel:
+    entity_data = {}
+    for field_descriptor in entity.bot_entity_descriptor.fields_descriptors.values():
+        if field_descriptor.is_list and is_bot_entity(field_descriptor.type_base):
+            entity_data[field_descriptor.field_name] = [
+                item.id for item in getattr(entity, field_descriptor.field_name)
+            ]
+        elif field_descriptor.is_list and is_bot_enum(field_descriptor.type_base):
+            entity_data[field_descriptor.field_name] = [
+                item.value for item in getattr(entity, field_descriptor.field_name)
+            ]
+        elif not field_descriptor.is_list and is_bot_entity(field_descriptor.type_base):
+            continue
+        elif not field_descriptor.is_list and is_bot_enum(field_descriptor.type_base):
+            val: "BotEnum" | None = getattr(entity, field_descriptor.field_name)
+            entity_data[field_descriptor.field_name] = val.value if val else None
+        else:
+            entity_data[field_descriptor.field_name] = getattr(
+                entity, field_descriptor.field_name
+            )
+    return (
+        entity.bot_entity_descriptor.crud.schema(**entity_data)
+        if entity.bot_entity_descriptor.crud
+        else entity.bot_entity_descriptor.schema(**entity_data)
+    )
+
+
+async def entity_to_list_schema(
+    entity: "BotEntity", context: "BotContext"
+) -> ListSchema:
+    entity_repr = await get_entity_item_repr(
+        entity, context, entity.bot_entity_descriptor.item_repr
+    )
+    return ListSchema(id=entity.id, name=entity_repr)
+
+
+def _pydantic_model_fields(
+    namespace: dict[str, Any],
+    entity_descriptor: EntityDescriptor,
+    schema_type: Literal["schema", "create", "update"] = "schema",
+) -> dict[str, Any]:
+    namespace["__annotations__"] = {}
+    for field_descriptor in entity_descriptor.fields_descriptors.values():
+        type_origin = get_origin(field_descriptor.type_base)
+        if (
+            type_origin is not list
+            and not field_descriptor.is_list
+            and (
+                issubclass(field_descriptor.type_base, SQLModel)
+                or isinstance(field_descriptor.type_base, str)
+            )
+        ) or (
+            schema_type in ["create", "update"]
+            and field_descriptor.field_name == "id"
+            and field_descriptor.default is None
+        ):
+            continue
+
+        if (
+            type_origin is not list
+            and field_descriptor.is_list
+            and (
+                issubclass(field_descriptor.type_base, SQLModel)
+                or isinstance(field_descriptor.type_base, str)
+            )
+        ):
+            namespace["__annotations__"][field_descriptor.field_name] = list[int]
+        elif type_origin is not list and is_bot_enum(field_descriptor.type_base):
+            enum_values = [
+                member.value
+                for member in field_descriptor.type_base.all_members.values()
+            ]
+            enum_annotation = (
+                list[Literal[*enum_values]]
+                if field_descriptor.is_list
+                else Literal[*enum_values]
+            )
+            if field_descriptor.is_optional:
+                enum_annotation = Optional[enum_annotation]
+            namespace["__annotations__"][field_descriptor.field_name] = enum_annotation
+        else:
+            namespace["__annotations__"][field_descriptor.field_name] = (
+                Optional[field_descriptor.type_base]
+                if field_descriptor.is_optional
+                else field_descriptor.type_
+            )
+
+        description = (
+            field_descriptor.description if field_descriptor.description else _Unset
+        )
+
+        if schema_type == "schema" and field_descriptor.is_optional:
+            namespace[field_descriptor.field_name] = Field(description=description)
+        elif schema_type == "create":
+            if field_descriptor.default is not PydanticUndefined:
+                namespace[field_descriptor.field_name] = Field(
+                    default=field_descriptor.default, description=description
+                )
+            elif field_descriptor.default_factory is not None:
+                namespace[field_descriptor.field_name] = Field(
+                    default_factory=field_descriptor.default_factory,
+                    description=description,
+                )
+            elif field_descriptor.is_optional:
+                namespace[field_descriptor.field_name] = Field(
+                    default=None, description=description
+                )
+            else:
+                namespace[field_descriptor.field_name] = Field(description=description)
+        elif schema_type == "update":
+            namespace[field_descriptor.field_name] = Field(
+                default=None, description=description
+            )
+        else:
+            namespace[field_descriptor.field_name] = Field(description=description)
+
+
+def pydantic_model(
+    entity_descriptor: EntityDescriptor,
+    module_name: str,
+    schema_type: Literal["schema", "create", "update"] = "schema",
+) -> type[BaseModel]:
+    namespace = {
+        "__module__": module_name,
+    }
+    _pydantic_model_fields(namespace, entity_descriptor, schema_type)
+
+    return type(
+        f"{entity_descriptor.class_name}{schema_type.capitalize() if schema_type != 'schema' else ''}Schema",
+        (BaseModel,),
+        namespace,
+    )
+
+
+def _build_filter_condition(
+    cls: type["BotEntity"], filter_obj: Filter | FilterExpression
+) -> Any:
+    """
+    Build SQLAlchemy condition from a Filter or FilterExpression object.
+
+    Args:
+        filter_obj: Filter or FilterExpression object to convert
+
+    Returns:
+        SQLAlchemy condition
+    """
+    # --- Handle single Filter object ---
+    if isinstance(filter_obj, Filter):
+        # Support both string field names and callables for custom columns
+        if isinstance(filter_obj.field, str):
+            column = getattr(cls, filter_obj.field)
+        else:
+            column = filter_obj.field(cls)
+        # Map filter operator to SQLAlchemy expression
+        if filter_obj.operator == "==":
+            return column.__eq__(filter_obj.value)
+        elif filter_obj.operator == "!=":
+            return column.__ne__(filter_obj.value)
+        elif filter_obj.operator == "<":
+            return column.__lt__(filter_obj.value)
+        elif filter_obj.operator == "<=":
+            return column.__le__(filter_obj.value)
+        elif filter_obj.operator == ">":
+            return column.__gt__(filter_obj.value)
+        elif filter_obj.operator == ">=":
+            return column.__ge__(filter_obj.value)
+        elif filter_obj.operator == "ilike":
+            return col(column).ilike(f"%{filter_obj.value}%")
+        elif filter_obj.operator == "like":
+            return col(column).like(f"%{filter_obj.value}%")
+        elif filter_obj.operator == "in":
+            return col(column).in_(filter_obj.value)
+        elif filter_obj.operator == "not in":
+            return col(column).notin_(filter_obj.value)
+        elif filter_obj.operator == "is none":
+            return col(column).is_(None)
+        elif filter_obj.operator == "is not none":
+            return col(column).isnot(None)
+        elif filter_obj.operator == "contains":
+            return filter_obj.value == col(column).any_()
+        else:
+            # Unknown operator, return None (no condition)
+            return None
+    # --- Handle FilterExpression object (logical AND/OR of filters) ---
+    elif isinstance(filter_obj, FilterExpression):
+        operator = filter_obj.operator
+        filters = filter_obj.filters
+        # Recursively build conditions for all sub-filters
+        conditions = []
+        for sub_filter in filters:
+            condition = _build_filter_condition(cls, sub_filter)
+            if condition is not None:
+                conditions.append(condition)
+        if not conditions:
+            return None
+        # Combine conditions using logical AND/OR
+        if operator == "and":
+            res_condition = conditions[0]
+            if len(conditions) > 1:
+                for condition in conditions[1:]:
+                    res_condition = res_condition & condition
+            return res_condition
+        elif operator == "or":
+            res_condition = conditions[0]
+            if len(conditions) > 1:
+                for condition in conditions[1:]:
+                    res_condition = res_condition | condition
+            return res_condition
+
+
+def _static_filter_condition(
+    cls,
+    select_statement: SelectOfScalar,
+    static_filter: Filter | FilterExpression,
+):
+    """
+    Apply static filters to a select statement.
+
+    Static filters are predefined conditions that don't depend on user input.
+    Supports both Filter and FilterExpression objects with logical operations.
+
+    Args:
+        select_statement: SQLAlchemy select statement to modify
+        static_filter: filter condition to apply
+
+    Returns:
+        Modified select statement with filter conditions
+    """
+    condition = _build_filter_condition(cls, static_filter)
+    if condition is not None:
+        select_statement = select_statement.where(condition)
+    return select_statement
+
+
+def _filter_condition(
+    select_statement: SelectOfScalar,
+    filter: str,
+    filter_fields: list[str],
+):
+    """
+    Apply text-based search filters to a select statement.
+
+    Creates a case-insensitive LIKE search across multiple fields.
+
+    Args:
+        select_statement: SQLAlchemy select statement to modify
+        filter: Search text to look for
+        filter_fields: List of field names to search in
+
+    Returns:
+        Modified select statement with search conditions
+    """
+    condition = None
+    for field in filter_fields:
+        if condition is not None:
+            condition = condition | (column(field).ilike(f"%{filter}%"))
+        else:
+            condition = column(field).ilike(f"%{filter}%")
+    return select_statement.where(condition)
+
+
+async def _apply_rls_filters(
+    cls: type["BotEntity"], select_statement: SelectOfScalar, user: "UserBase"
+):
+    """
+    Apply Row Level Security (RLS) filters to restrict access based on user roles.
+
+    This method uses the entity's rls_filters and rls_filters_params to apply
+    dynamic filtering conditions based on the user's roles and permissions.
+
+    Args:
+        select_statement: SQLAlchemy select statement to modify
+        user: User whose access should be restricted
+
+    Returns:
+        Modified select statement with RLS conditions
+    """
+    # --- Check if RLS filters are defined for this entity ---
+    if cls.bot_entity_descriptor.rls_filters:
+        # Get parameters for RLS filters (may be sync or async)
+        params = []
+        if cls.bot_entity_descriptor.rls_filters_params:
+            if iscoroutinefunction(cls.bot_entity_descriptor.rls_filters_params):
+                params = await cls.bot_entity_descriptor.rls_filters_params(user)
+            else:
+                params = cls.bot_entity_descriptor.rls_filters_params(user)
+
+        # Create a copy of the RLS filters with parameter values substituted
+        rls_filters = _substitute_rls_parameters(
+            cls.bot_entity_descriptor.rls_filters, params
+        )
+
+        # Apply RLS filters with parameters
+        condition = _build_filter_condition(cls, rls_filters)
+        if condition is not None:
+            return select_statement.where(condition)
+    return select_statement
+
+
+def _substitute_rls_parameters(
+    rls_filters: Filter | FilterExpression, params: list[Any]
+) -> Filter | FilterExpression:
+    """
+    Substitute parameter placeholders in RLS filters with actual values.
+
+    Args:
+        rls_filters: RLS filters that may contain parameter placeholders
+        params: List of parameter values to substitute
+
+    Returns:
+        RLS filters with parameters substituted
+    """
+    # --- Substitute parameter in single filter ---
+    if isinstance(rls_filters, Filter):
+        if rls_filters.value_type == "param" and rls_filters.param_index is not None:
+            if 0 <= rls_filters.param_index < len(params):
+                # Create a new filter with the parameter value substituted
+                return Filter(
+                    field=rls_filters.field,
+                    operator=rls_filters.operator,
+                    value_type="const",
+                    value=params[rls_filters.param_index],
+                    param_index=None,
+                )
+        return rls_filters
+    # --- Recursively substitute parameters in all sub-filters ---
+    elif isinstance(rls_filters, FilterExpression):
+        substituted_filters = []
+        for sub_filter in rls_filters.filters:
+            substituted_filter = _substitute_rls_parameters(sub_filter, params)
+            substituted_filters.append(substituted_filter)
+        return FilterExpression(rls_filters.operator, substituted_filters)
+
+
+def is_bot_entity(type_: type) -> bool:
+    return hasattr(type_, "bot_entity_descriptor")
+
+
+def is_bot_enum(type_: type) -> bool:
+    return hasattr(type_, "all_members")

src/quickbot/plugin.py

@@ -0,0 +1,9 @@
+from typing import TYPE_CHECKING, Protocol, runtime_checkable
+
+if TYPE_CHECKING:
+    from quickbot import QuickBot
+
+
+@runtime_checkable
+class Registerable(Protocol):
+    def register(self, app: "QuickBot") -> None: ...

src/quickbot/utils/main.py

@@ -2,39 +2,36 @@ from babel.support import LazyProxy
 from inspect import iscoroutinefunction, signature
 from aiogram.types import Message, CallbackQuery
 from aiogram.utils.i18n import I18n
-from typing import Any, TYPE_CHECKING
+from sqlmodel.ext.asyncio.session import AsyncSession
+from typing import Any, TYPE_CHECKING, Callable
 import ujson as json
 
-from ..model.bot_entity import BotEntity
+from quickbot.utils.serialization import deserialize
-from ..model.bot_enum import BotEnum
+from quickbot.model.permissions import (
+    _extract_rls_filter_fields,
+    get_user_permissions,
+    _extract_filter_fields,
+)
 from ..model.settings import Settings
 
+
 from ..model.descriptors import (
+    BotContext,
+    EntityList,
     FieldDescriptor,
     EntityDescriptor,
-    EntityItemCaptionCallable,
-    EntityFieldCaptionCallable,
     EntityPermission,
-    EntityCaptionCallable,
+    _BaseFieldDescriptor,
+    _BaseEntityDescriptor,
+    Filter,
 )
 
-from ..bot.handlers.context import ContextData, CommandContext
+from ..bot.handlers.context import CallbackCommand, ContextData, CommandContext
 
 if TYPE_CHECKING:
+    from ..model.bot_entity import BotEntity
     from ..model.user import UserBase
-    from ..main import QBotApp
+    from ..main import QuickBot
-
-
-def get_user_permissions(
-    user: "UserBase", entity_descriptor: EntityDescriptor
-) -> list[EntityPermission]:
-    permissions = list[EntityPermission]()
-    for permission, roles in entity_descriptor.permissions.items():
-        for role in roles:
-            if role in user.roles:
-                permissions.append(permission)
-                break
-    return permissions
 
 
 def get_local_text(text: str, locale: str = None) -> str:
@@ -52,39 +49,6 @@ def get_local_text(text: str, locale: str = None) -> str:
         return obj.get(locale, obj[list(obj.keys())[0]])
 
 
-def check_entity_permission(
-    entity: BotEntity, user: "UserBase", permission: EntityPermission
-) -> bool:
-    perm_mapping = {
-        EntityPermission.LIST: EntityPermission.LIST_ALL,
-        EntityPermission.READ: EntityPermission.READ_ALL,
-        EntityPermission.UPDATE: EntityPermission.UPDATE_ALL,
-        EntityPermission.CREATE: EntityPermission.CREATE_ALL,
-        EntityPermission.DELETE: EntityPermission.DELETE_ALL,
-    }
-
-    if permission not in perm_mapping:
-        raise ValueError(f"Invalid permission: {permission}")
-
-    entity_descriptor = entity.__class__.bot_entity_descriptor
-    permissions = get_user_permissions(user, entity_descriptor)
-
-    if perm_mapping[permission] in permissions:
-        return True
-
-    ownership_filds = entity_descriptor.ownership_fields
-
-    for role in user.roles:
-        if role in ownership_filds:
-            if getattr(entity, ownership_filds[role]) == user.id:
-                return True
-        else:
-            if permission in permissions:
-                return True
-
-    return False
-
-
 def get_send_message(message: Message | CallbackQuery):
     if isinstance(message, Message):
         return message.answer
@@ -106,45 +70,64 @@ def clear_state(state_data: dict, clear_nav: bool = False):
 
 
 async def get_entity_item_repr(
-    entity: BotEntity, item_repr: EntityItemCaptionCallable | None = None
+    entity: "BotEntity",
+    context: BotContext,
+    item_repr: Callable[["BotEntity", BotContext], str] | None = None,
 ) -> str:
     descr = entity.bot_entity_descriptor
+
+    if not item_repr:
+        item_repr = descr.item_repr
+
     if item_repr:
-        return item_repr(descr, entity)
+        if iscoroutinefunction(item_repr):
-    return (
+            return await item_repr(entity, context)
-        descr.item_repr(descr, entity)
+        else:
-        if descr.item_repr
+            return item_repr(entity, context)
-        else f"{
+
-            await get_callable_str(descr.full_name, descr, entity)
+    return f"{
+        await get_callable_str(
+            callable_str=descr.full_name,
+            context=context,
+            descriptor=descr,
+            entity=entity,
+        )
         if descr.full_name
         else descr.name
     }: {str(entity.id)}"
-    )
 
 
 async def get_value_repr(
-    value: Any, field_descriptor: FieldDescriptor, locale: str | None = None
+    value: Any,
+    field_descriptor: FieldDescriptor,
+    context: BotContext,
+    locale: str | None = None,
 ) -> str:
     if value is None:
         return ""
 
     type_ = field_descriptor.type_base
     if isinstance(value, bool):
-        return "【✔︎】" if value else "【 】"
+        return "[✓]" if value else "[ ]"
     elif field_descriptor.is_list:
-        if issubclass(type_, BotEntity):
+        if hasattr(type_, "bot_entity_descriptor"):
-            return (
+            return f"[{
-                f"[{', '.join([await get_entity_item_repr(item) for item in value])}]"
+                ', '.join(
+                    [
+                        await get_entity_item_repr(entity=item, context=context)
+                        for item in value
+                    ]
                 )
-        elif issubclass(type_, BotEnum):
+            }]"
+        elif hasattr(type_, "all_members"):
             return f"[{', '.join(item.localized(locale) for item in value)}]"
         elif type_ is str:
             return f"[{', '.join([f'"{item}"' for item in value])}]"
         else:
             return f"[{', '.join([str(item) for item in value])}]"
-    elif issubclass(type_, BotEntity):
+    elif hasattr(type_, "bot_entity_descriptor"):
-        return await get_entity_item_repr(value)
+        return await get_entity_item_repr(entity=value, context=context)
-    elif issubclass(type_, BotEnum):
+    elif hasattr(type_, "all_members"):
         return value.localized(locale)
     elif isinstance(value, str):
         if field_descriptor and field_descriptor.localizable:
@@ -162,13 +145,13 @@ async def get_callable_str(
     callable_str: (
         str
         | LazyProxy
-        | EntityCaptionCallable
+        | Callable[[EntityDescriptor, BotContext], str]
-        | EntityItemCaptionCallable
+        | Callable[["BotEntity", BotContext], str]
-        | EntityFieldCaptionCallable
+        | Callable[[FieldDescriptor, "BotEntity", BotContext], str]
     ),
-    descriptor: FieldDescriptor | EntityDescriptor,
+    context: BotContext,
-    entity: Any = None,
+    descriptor: FieldDescriptor | EntityDescriptor | None = None,
-    value: Any = None,
+    entity: "BotEntity | Any" = None,
 ) -> str:
     if isinstance(callable_str, str):
         return callable_str
@@ -177,31 +160,34 @@ async def get_callable_str(
     elif callable(callable_str):
         args = signature(callable_str).parameters
         if iscoroutinefunction(callable_str):
-            if len(args) == 1:
+            if len(args) == 3:
-                return await callable_str(descriptor)
+                return await callable_str(descriptor, entity, context)
-            elif len(args) == 2:
-                return await callable_str(descriptor, entity)
-            elif len(args) == 3:
-                return await callable_str(descriptor, entity, value)
             else:
-            if len(args) == 1:
+                param = args[next(iter(args))]
-                return callable_str(descriptor)
+                if not isinstance(param.annotation, str) and (
-            elif len(args) == 2:
+                    issubclass(param.annotation, _BaseFieldDescriptor)
-                return callable_str(descriptor, entity)
+                    or issubclass(param.annotation, _BaseEntityDescriptor)
-            elif len(args) == 3:
+                ):
-                return callable_str(descriptor, entity, value)
+                    return await callable_str(descriptor, context)
+                else:
+                    return await callable_str(entity, context)
+        else:
+            if len(args) == 3:
+                return callable_str(descriptor, entity, context)
+            else:
+                return callable_str(entity or descriptor, context)
 
 
 def get_entity_descriptor(
-    app: "QBotApp", callback_data: ContextData
+    app: "QuickBot", callback_data: ContextData
 ) -> EntityDescriptor:
     if callback_data.entity_name:
-        return app.entity_metadata.entity_descriptors[callback_data.entity_name]
+        return app.bot_metadata.entity_descriptors[callback_data.entity_name]
     return None
 
 
 def get_field_descriptor(
-    app: "QBotApp", callback_data: ContextData
+    app: "QuickBot", callback_data: ContextData
 ) -> FieldDescriptor | None:
     if callback_data.context == CommandContext.SETTING_EDIT:
         return Settings.list_params()[callback_data.field_name]
@@ -224,25 +210,62 @@ def get_field_descriptor(
     return None
 
 
-def build_field_sequence(
+async def build_field_sequence(
-    entity_descriptor: EntityDescriptor, user: "UserBase", callback_data: ContextData
+    entity_descriptor: EntityDescriptor,
+    user: "UserBase",
+    callback_data: ContextData,
+    state_data: dict,
+    context: BotContext,
 ):
+    prev_form_list = None
+
+    stack = state_data.get("navigation_stack", [])
+    prev_callback_data = ContextData.unpack(stack[-1]) if stack else None
+    if (
+        prev_callback_data
+        and prev_callback_data.command == CallbackCommand.ENTITY_LIST
+        and prev_callback_data.entity_name == entity_descriptor.name
+    ):
+        prev_form_name = (
+            prev_callback_data.form_params.split("&")[0]
+            if prev_callback_data.form_params
+            else None
+        )
+        prev_form_list: EntityList = entity_descriptor.lists.get(
+            prev_form_name, entity_descriptor.default_list
+        )
+
+    entity_data = state_data.get("entity_data", {})
+
     field_sequence = list[str]()
-    # exclude ownership fields from edit if user has no CREATE_ALL/UPDATE_ALL permission
+    # exclude RLS fields from edit if user has no CREATE_ALL/UPDATE_ALL permission
     user_permissions = get_user_permissions(user, entity_descriptor)
     for fd in entity_descriptor.fields_descriptors.values():
-        if not (
+        if isinstance(fd.is_visible_in_edit_form, bool):
+            skip = not fd.is_visible_in_edit_form
+        elif callable(fd.is_visible_in_edit_form):
+            if iscoroutinefunction(fd.is_visible_in_edit_form):
+                skip = not await fd.is_visible_in_edit_form(fd, entity_data, context)
+            else:
+                skip = not fd.is_visible_in_edit_form(fd, entity_data, context)
+        else:
+            skip = False
+            if (
                 fd.is_optional
                 or fd.field_name == "id"
-            or fd.field_name[:-3] == "_id"
+                or (
+                    fd.field_name[-3:] == "_id"
+                    and fd.field_name[:-3] in entity_descriptor.fields_descriptors
+                )
                 or fd.default is not None
+                or fd.default_factory is not None
             ):
-            skip = False
+                skip = True
-            for own_field in entity_descriptor.ownership_fields.items():
+            # Check RLS filters for field visibility
-                if (
+            if entity_descriptor.rls_filters:
-                    own_field[1].rstrip("_id") == fd.field_name.rstrip("_id")
+                # Get RLS filter fields that should be auto-filled and hidden from user
-                    and own_field[0] in user.roles
+                rls_filter_fields = _extract_rls_filter_fields(entity_descriptor)
-                    and (
+                if fd.field_name in rls_filter_fields and (
                     (
                         EntityPermission.CREATE_ALL not in user_permissions
                         and callback_data.context == CommandContext.ENTITY_CREATE
@@ -251,11 +274,50 @@ def build_field_sequence(
                         EntityPermission.UPDATE_ALL not in user_permissions
                         and callback_data.context == CommandContext.ENTITY_EDIT
                     )
-                    )
                 ):
                     skip = True
-                    break
+
+            if prev_form_list and prev_form_list.static_filters:
+                static_filter_fields = _extract_filter_fields(
+                    prev_form_list.static_filters, entity_descriptor.type_
+                )
+                if fd.field_name.rstrip("_id") in [
+                    f.rstrip("_id") for f in static_filter_fields
+                ]:
+                    skip = True
+
         if not skip:
             field_sequence.append(fd.field_name)
 
     return field_sequence
+
+
+async def prepare_static_filter(
+    db_session: AsyncSession,
+    entity_descriptor: EntityDescriptor,
+    static_filters: list[Filter],
+    params: list[str],
+) -> list[Filter]:
+    return (
+        [
+            Filter(
+                field_name=f.field_name,
+                operator=f.operator,
+                value_type="const",
+                value=(
+                    f.value
+                    if f.value_type == "const"
+                    else await deserialize(
+                        session=db_session,
+                        type_=entity_descriptor.fields_descriptors[
+                            f.field_name
+                        ].type_base,
+                        value=params[f.param_index],
+                    )
+                ),
+            )
+            for f in static_filters
+        ]
+        if static_filters
+        else None
+    )

src/quickbot/utils/serialization.py

@@ -6,9 +6,7 @@ from typing import Any, Union, get_origin, get_args
 from types import UnionType, NoneType
 import ujson as json
 
-from ..model.bot_entity import BotEntity
+from quickbot.model.descriptors import FieldDescriptor
-from ..model.bot_enum import BotEnum
-from ..model.descriptors import FieldDescriptor
 
 
 async def deserialize[T](session: AsyncSession, type_: type[T], value: str = None) -> T:
@@ -28,7 +26,7 @@ async def deserialize[T](session: AsyncSession, type_: type[T], value: str = Non
             arg_type = args[0]
         values = json.loads(value) if value else []
         if arg_type:
-            if issubclass(arg_type, BotEntity):
+            if hasattr(arg_type, "bot_entity_descriptor"):
                 ret = list[arg_type]()
                 items = (
                     await session.exec(select(arg_type).where(column("id").in_(values)))
@@ -36,17 +34,17 @@ async def deserialize[T](session: AsyncSession, type_: type[T], value: str = Non
                 for item in items:
                     ret.append(item)
                 return ret
-            elif issubclass(arg_type, BotEnum):
+            elif hasattr(arg_type, "all_members"):
                 return [arg_type(value) for value in values]
             else:
                 return [arg_type(value) for value in values]
         else:
             return values
-    elif issubclass(type_, BotEntity):
+    elif hasattr(type_, "bot_entity_descriptor"):
         if is_optional and not value:
             return None
         return await session.get(type_, int(value))
-    elif issubclass(type_, BotEnum):
+    elif hasattr(type_, "all_members"):
         if is_optional and not value:
             return None
         return type_(value)
@@ -79,12 +77,12 @@ def serialize(value: Any, field_descriptor: FieldDescriptor) -> str:
     type_ = field_descriptor.type_base
 
     if field_descriptor.is_list:
-        if issubclass(type_, BotEntity):
+        if hasattr(type_, "bot_entity_descriptor"):
             return json.dumps([item.id for item in value], ensure_ascii=False)
-        elif issubclass(type_, BotEnum):
+        elif hasattr(type_, "all_members"):
             return json.dumps([item.value for item in value], ensure_ascii=False)
         else:
             return json.dumps(value, ensure_ascii=False)
-    elif issubclass(type_, BotEntity):
+    elif hasattr(type_, "bot_entity_descriptor"):
         return str(value.id) if value else ""
     return str(value)

tests/bot.py

@@ -1,5 +1,5 @@
 from quickbot import (
-    QBotApp,
+    QuickBot,
     BotEntity,
     Entity,
     EntityForm,
@@ -116,7 +116,7 @@ class Entity(BotEntity):
     )
 
 
-app = QBotApp(
+app = QuickBot(
     user_class=User,
 )