Init project structure

app/api/deps.py

@@ -0,0 +1,35 @@
+"""Reusable FastAPI dependencies."""
+from collections.abc import AsyncGenerator
+
+from fastapi import Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_session
+from app.core.security import jwt_service, password_hasher
+from app.repositories.user_repo import UserRepository
+from app.services.auth_service import AuthService
+from app.services.user_service import UserService
+
+
+async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
+    """Provide a scoped database session."""
+    async for session in get_session():
+        yield session
+
+
+def get_user_repository(session: AsyncSession = Depends(get_db_session)) -> UserRepository:
+    return UserRepository(session=session)
+
+
+def get_user_service(repo: UserRepository = Depends(get_user_repository)) -> UserService:
+    return UserService(user_repository=repo, password_hasher=password_hasher)
+
+
+def get_auth_service(
+    repo: UserRepository = Depends(get_user_repository),
+) -> AuthService:
+    return AuthService(
+        user_repository=repo,
+        password_hasher=password_hasher,
+        jwt_service=jwt_service,
+    )