add bot entity's events, external bot command call

src/quickbot/__init__.py

@@ -19,4 +19,5 @@ from .model.descriptors import (
     CommandButton as CommandButton,
     FieldEditButton as FieldEditButton,
     InlineButton as InlineButton,
+    FormField as FormField,
 )

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

@@ -12,17 +12,18 @@ 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"]
     stack, context = get_navigation_context(state_data)
     if back:
@@ -47,12 +48,10 @@ 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: "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/common.py

@@ -1,8 +1,10 @@
 from aiogram.types import Message, CallbackQuery
 from decimal import Decimal
 from datetime import datetime, time
+from typing import TYPE_CHECKING
 
-from quickbot.main import QBotApp
+if TYPE_CHECKING:
+    from quickbot.main import QBotApp
 from quickbot.utils.serialization import deserialize
 
 from ....model.bot_entity import BotEntity
@@ -25,7 +27,7 @@ async def show_editor(message: Message | CallbackQuery, **kwargs):
     callback_data: ContextData = kwargs.get("callback_data", None)
     state_data: dict = kwargs["state_data"]
     db_session = kwargs["db_session"]
-    app: QBotApp = kwargs["app"]
+    app: "QBotApp" = kwargs["app"]
 
     value_type = field_descriptor.type_base
 

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 BotContext, EntityList, 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
@@ -108,8 +110,34 @@ async def render_entity_picker(
             for item in enum_items
         ]
     elif issubclass(type_, BotEntity):
+        ep_form = "default"
+        ep_form_params = []
+
+        if field_descriptor.ep_form:
+            if callable(field_descriptor.ep_form):
+                context = BotContext(
+                    db_session=db_session,
+                    app=kwargs["app"],
+                    app_state=kwargs["app_state"],
+                    user=user,
+                    message=message,
+                )
+
+                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(
-            field_descriptor.ep_form, type_.bot_entity_descriptor.default_list
+            ep_form, type_.bot_entity_descriptor.default_list
         )
         permissions = get_user_permissions(user, type_.bot_entity_descriptor)
         if form_list.filtering:
@@ -125,7 +153,7 @@ async def render_entity_picker(
         if list_all or EntityPermission.LIST 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
             ):
                 entity = await field_descriptor.entity_descriptor.type_.get(
@@ -140,19 +168,11 @@ 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,
@@ -169,19 +189,11 @@ 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,
@@ -313,9 +325,14 @@ async def render_entity_picker(
 
     await state.set_data(state_data)
 
-    send_message = get_send_message(message)
+    if message:
-
+        send_message = get_send_message(message)
-    await send_message(text=edit_prompt, reply_markup=keyboard_builder.as_markup())
+        await send_message(text=edit_prompt, reply_markup=keyboard_builder.as_markup())
+    else:
+        app: "QBotApp" = kwargs["app"]
+        await app.bot.send_message(
+            chat_id=user.id, text=edit_prompt, reply_markup=keyboard_builder.as_markup()
+        )
 
 
 @router.callback_query(

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

@@ -1,10 +1,11 @@
+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
@@ -14,6 +15,7 @@ from ....utils.main import (
     build_field_sequence,
     check_entity_permission,
     get_field_descriptor,
+    clear_state,
 )
 from ....utils.serialization import deserialize, serialize
 from ..context import ContextData, CallbackCommand, CommandContext
@@ -92,6 +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
@@ -102,19 +112,73 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
             if check_entity_permission(
                 entity=entity, user=user, permission=EntityPermission.UPDATE
             ):
+                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
 
-                await db_session.commit()
+                can_update = True
-                stack, context = get_navigation_context(state_data=state_data)
 
-                kwargs.update({"callback_data": context})
+                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},
+                        )
 
-                return await entity_item(
+                if isinstance(can_update, bool) and can_update:
-                    query=message, navigation_stack=stack, **kwargs
+                    for attr in new_values:
-                )
+                        if attr != "id":
+                            setattr(entity, attr, new_values[attr])
+
+                    await db_session.commit()
+
+                    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})
+
+                    return await entity_item(
+                        query=message, navigation_stack=stack, **kwargs
+                    )
+
+            return
 
         if not entity_data and callback_data.context in [
             CommandContext.ENTITY_EDIT,
@@ -138,13 +202,6 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
                     if form.edit_field_sequence:
                         field_sequence = form.edit_field_sequence
                     else:
-                        context = BotContext(
-                            db_session=db_session,
-                            app=app,
-                            app_state=kwargs["app_state"],
-                            user=user,
-                            message=message,
-                        )
                         field_sequence = await build_field_sequence(
                             entity_descriptor=entity_descriptor,
                             user=user,
@@ -168,6 +225,24 @@ async def field_editor(message: Message | CallbackQuery, **kwargs):
                     }
                     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,
@@ -181,6 +256,16 @@ 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()
+    clear_state(state_data=state_data)
+    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

@@ -2,6 +2,7 @@ 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, Any
 from decimal import Decimal
@@ -9,7 +10,7 @@ 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
@@ -354,44 +355,68 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                         text=(await Settings.get(Settings.APP_STRINGS_FORBIDDEN))
                     )
 
-                new_entity = await entity_type.create(
+                new_entity = entity_type(**deser_entity_data)
-                    session=db_session,
-                    obj_in=entity_type(**deser_entity_data),
-                    commit=True,
-                )
 
-                if entity_descriptor.on_created:
+                can_create = True
-                    if iscoroutinefunction(entity_descriptor.on_created):
+
-                        await entity_descriptor.on_created(
+                if entity_descriptor.before_update_save:
+                    if iscoroutinefunction(entity_descriptor.before_update_save):
+                        can_create = await entity_descriptor.before_update_save(
                             new_entity,
                             context,
                         )
                     else:
-                        entity_descriptor.on_created(
+                        can_create = entity_descriptor.before_update_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},
+                        )
 
-                form_name = (
+                if isinstance(can_create, bool) and can_create:
-                    callback_data.form_params.split("&")[0]
+                    new_entity = await entity_type.create(
-                    if callback_data.form_params
+                        session=db_session,
-                    else None
+                        obj_in=new_entity,
-                )
+                        commit=True,
-                form_list = entity_descriptor.lists.get(
+                    )
-                    form_name, entity_descriptor.default_list
-                )
 
-                state_data["navigation_context"] = ContextData(
+                    if entity_descriptor.on_created:
-                    command=CallbackCommand.ENTITY_ITEM,
+                        if iscoroutinefunction(entity_descriptor.on_created):
-                    entity_name=entity_descriptor.name,
+                            await entity_descriptor.on_created(
-                    form_params=form_list.item_form,
+                                new_entity,
-                    entity_id=str(new_entity.id),
+                                context,
-                ).pack()
+                            )
+                        else:
+                            entity_descriptor.on_created(
+                                new_entity,
+                                context,
+                            )
 
-                state_data.update(state_data)
+                    form_name = (
+                        callback_data.form_params.split("&")[0]
+                        if callback_data.form_params
+                        else None
+                    )
+                    form_list = entity_descriptor.lists.get(
+                        form_name, entity_descriptor.default_list
+                    )
 
-                clear_state(state_data=state_data)
+                    state_data["navigation_context"] = ContextData(
-                return await route_callback(message=message, back=False, **kwargs)
+                        command=CallbackCommand.ENTITY_ITEM,
+                        entity_name=entity_descriptor.name,
+                        form_params=form_list.item_form,
+                        entity_id=str(new_entity.id),
+                    ).pack()
+
+                    state_data.update(state_data)
+
+                    clear_state(state_data=state_data)
+                    return await route_callback(message=message, back=False, **kwargs)
 
             elif callback_data.context in [
                 CommandContext.ENTITY_EDIT,
@@ -412,27 +437,67 @@ async def process_field_edit_callback(message: Message | CallbackQuery, **kwargs
                         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(
+                    new_values[
-                        entity,
+                        entity.bot_entity_descriptor.fields_descriptors[key].field_name
-                        entity.bot_entity_descriptor.fields_descriptors[key].field_name,
+                    ] = value
-                        value,
-                    )
 
-                await db_session.commit()
+                can_update = True
-                await db_session.refresh(entity)
 
-                if entity_descriptor.on_updated:
+                if entity_descriptor.before_update_save:
-                    if iscoroutinefunction(entity_descriptor.on_updated):
+                    if iscoroutinefunction(entity_descriptor.before_update_save):
-                        await entity_descriptor.on_updated(
+                        can_update = await entity_descriptor.before_update_save(
-                            entity,
+                            old_values,
+                            new_values,
                             context,
                         )
                     else:
-                        entity_descriptor.on_updated(
+                        can_update = entity_descriptor.before_update_save(
-                            entity,
+                            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)
+
+                    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,
+                            )
+                else:
+                    await db_session.rollback()
 
             elif callback_data.context == CommandContext.COMMAND_FORM:
                 clear_state(state_data=state_data)
@@ -449,7 +514,7 @@ 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)
 

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

@@ -99,7 +99,9 @@ async def wrap_editor(
             keyboard_builder.row(
                 InlineKeyboardButton(
                     text=(await Settings.get(Settings.APP_STRINGS_CANCEL_BTN)),
-                    callback_data=context.pack(),
+                    callback_data=context.pack()
+                    if context
+                    else ContextData(command=CallbackCommand.DELETE_MESSAGE).pack(),
                 )
             )
 

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

@@ -58,23 +58,47 @@ async def entity_delete_callback(query: CallbackQuery, **kwargs):
     )
 
     if callback_data.data == "yes":
-        entity = await entity_descriptor.type_.remove(
+        can_delete = True
-            session=db_session, id=int(callback_data.entity_id), commit=True
-        )
 
-        if entity_descriptor.on_deleted:
+        if entity_descriptor.before_delete:
-            if iscoroutinefunction(entity_descriptor.on_created):
+            if iscoroutinefunction(entity_descriptor.before_delete):
-                await entity_descriptor.on_deleted(
+                can_delete = await entity_descriptor.before_delete(
                     entity,
                     context,
                 )
             else:
-                entity_descriptor.on_deleted(
+                can_delete = entity_descriptor.before_delete(
                     entity,
                     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,
+                )
 
-        await route_callback(message=query, **kwargs)
+        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(

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

@@ -12,10 +12,8 @@ from ....model.user import UserBase
 from ....model.view_setting import ViewSetting
 from ....model.descriptors import (
     BotContext,
-    EntityDescriptor,
     EntityForm,
     EntityList,
-    Filter,
 )
 from ....model import EntityPermission
 from ....utils.main import (
@@ -25,8 +23,8 @@ 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
@@ -61,37 +59,6 @@ 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,
@@ -175,7 +142,7 @@ async def entity_list(
             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,
@@ -196,7 +163,7 @@ 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,

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/user_handlers/command_handler.py

@@ -0,0 +1,126 @@
+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 QBotApp
+    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: "QBotApp" = 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 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:
+        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 ..context import ContextData, CallbackCommand, CommandContext
+from ..context import ContextData, CallbackCommand
-
+from .command_handler import command_handler
 
 router = Router()
 
@@ -68,93 +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,
-        app_state=kwargs["app_state"],
-        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/main.py

@@ -11,7 +11,9 @@ from fastapi import FastAPI
 from fastapi.applications import Lifespan, AppType
 from fastapi.datastructures import State
 from logging import getLogger
+from sqlmodel.ext.asyncio.session import AsyncSession
 
+from quickbot.bot.handlers.user_handlers.main import command_handler
 from quickbot.utils.main import clear_state
 from quickbot.utils.navigation import save_navigation_context
 
@@ -185,9 +187,9 @@ class QBotApp(Generic[UserType, ConfigType], FastAPI):
         user_id: int,
         entity: type[BotEntity] | str,
         entity_id: int,
+        db_session: AsyncSession = None,
         form_name: str = None,
         form_params: list[Any] = None,
-        **kwargs,
     ):
         f_params = []
 
@@ -195,7 +197,7 @@ class QBotApp(Generic[UserType, ConfigType], FastAPI):
             f_params.append(form_name)
 
         if form_params:
-            f_params.extend(form_params)
+            f_params.extend([str(p) for p in form_params])
 
         if isinstance(entity, type):
             entity = entity.bot_entity_descriptor.name
@@ -214,7 +216,6 @@ class QBotApp(Generic[UserType, ConfigType], FastAPI):
             callback_data=callback_data, state_data=state_data
         )
 
-        db_session = kwargs.get("db_session")
         if not db_session:
             db_session = await get_db()
 
@@ -226,7 +227,7 @@ class QBotApp(Generic[UserType, ConfigType], FastAPI):
         with self.i18n.context(), self.i18n.use_locale(user.lang.value):
             await entity_item(
                 query=None,
-                db_session=kwargs.get("db_session"),
+                db_session=db_session,
                 callback_data=callback_data,
                 app=self,
                 user=user,
@@ -236,3 +237,52 @@ class QBotApp(Generic[UserType, ConfigType], FastAPI):
                 i18n=self.i18n,
                 app_state=app_state,
             )
+
+    async def execute_command(
+        self,
+        app_state: State,
+        command: str,
+        user_id: int,
+        db_session: AsyncSession = None,
+    ):
+        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)
+
+        if not db_session:
+            db_session = await get_db()
+
+        user = await self.user_class.get(
+            session=db_session,
+            id=user_id,
+        )
+
+        if cmd is None:
+            return
+
+        if cmd.clear_navigation:
+            state_data.pop("navigation_stack", None)
+            state_data.pop("navigation_context", None)
+
+        if cmd.register_navigation:
+            clear_state(state_data=state_data)
+            save_navigation_context(callback_data=callback_data, state_data=state_data)
+
+        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/model/bot_enum.py

@@ -135,6 +135,13 @@ 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:

src/quickbot/model/descriptors.py

@@ -122,7 +122,7 @@ class _BaseFieldDescriptor:
     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_child_field: str | None = None
     dt_type: Literal["date", "datetime"] = "date"
@@ -195,9 +195,20 @@ class _BaseEntityDescriptor:
             EntityPermission.DELETE_ALL: [RoleBase.SUPER_USER],
         }
     )
+    before_create: Callable[["BotContext"], Union[bool, str]] | None = None
+    before_create_save: (
+        Callable[["BotEntity", "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[["BotEntity", "BotContext"], Union[bool, str]] | None = None
     on_created: Callable[["BotEntity", "BotContext"], None] | None = None
     on_deleted: Callable[["BotEntity", "BotContext"], None] | None = None
-    on_updated: Callable[["BotEntity", "BotContext"], None] | None = None
+    on_updated: Callable[[dict[str, Any], "BotEntity", "BotContext"], None] | None = (
+        None
+    )
 
 
 @dataclass(kw_only=True)
@@ -220,6 +231,7 @@ class CommandCallbackContext[UT: UserBase]:
     )
     message_text: str | None = None
     register_navigation: bool = True
+    clear_navigation: bool = False
     message: Message | CallbackQuery
     callback_data: ContextData
     db_session: AsyncSession

src/quickbot/utils/main.py

@@ -2,9 +2,12 @@ from babel.support import LazyProxy
 from inspect import iscoroutinefunction, signature
 from aiogram.types import Message, CallbackQuery
 from aiogram.utils.i18n import I18n
+from sqlmodel.ext.asyncio.session import AsyncSession
 from typing import Any, TYPE_CHECKING, Callable
 import ujson as json
 
+from quickbot.utils.serialization import deserialize
+
 from ..model.bot_entity import BotEntity
 from ..model.bot_enum import BotEnum
 from ..model.settings import Settings
@@ -16,6 +19,7 @@ from ..model.descriptors import (
     EntityDescriptor,
     EntityPermission,
     _BaseFieldDescriptor,
+    Filter,
 )
 
 from ..bot.handlers.context import CallbackCommand, ContextData, CommandContext
@@ -330,3 +334,34 @@ async def build_field_sequence(
             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
+    )