first commit

middlewares/di.py

@@ -0,0 +1,26 @@
+from typing import Callable, Awaitable, Any
+from aiogram import BaseMiddleware
+from aiogram.types import TelegramObject
+from sqlalchemy.ext.asyncio import async_sessionmaker
+
+from dto.di import DependenciesDTO
+
+
+class DIMiddleware(BaseMiddleware):
+    def __init__(
+        self, deps: DependenciesDTO, session_factory: async_sessionmaker
+    ) -> None:
+        self.deps = deps
+        self.session_factory = session_factory
+
+    async def __call__(
+        self,
+        handler: Callable[[TelegramObject, dict[str, Any]], Awaitable[Any]],
+        event: TelegramObject,
+        data: dict[str, Any],
+    ) -> Any:
+        data["deps"] = self.deps
+
+        async with self.session_factory() as session:
+            data["session"] = session
+            return await handler(event, data)