25 lines
968 B
Python
25 lines
968 B
Python
from typing import Optional, Dict, Any
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from aiogram.utils.i18n import I18n, SimpleI18nMiddleware
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from aiogram.types import TelegramObject
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from ...model.user import UserBase
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class I18nMiddleware(SimpleI18nMiddleware):
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def __init__[UserType: UserBase](
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self,
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user_class: type[UserType],
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i18n: I18n,
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i18n_key: Optional[str] = "i18n",
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middleware_key: str = "i18n_middleware",
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) -> None:
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self.user_class = user_class
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super().__init__(i18n=i18n, i18n_key=i18n_key, middleware_key=middleware_key)
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async def get_locale(self, event: TelegramObject, data: Dict[str, Any]) -> str:
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db_session = data.get("db_session")
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if db_session and event.model_fields.get("from_user"):
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user = await self.user_class.get(id=event.from_user.id, session=db_session)
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if user and user.lang:
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return user.lang
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return await super().get_locale(event=event, data=data)
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