create interface uow update services to uow

src/api/dependacies/db_dep.py

@@ -4,7 +4,7 @@ from fastapi import Depends
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from src.core.database import async_session_maker
-from src.utils.db_manager import DBManager
+from src.core.db_manager import DBManager
 
 
 async def get_db() -> AsyncGenerator[AsyncSession, None]:
@@ -13,5 +13,3 @@ async def get_db() -> AsyncGenerator[AsyncSession, None]:
 
 
 sessionDep = Annotated[AsyncSession, Depends(get_db)]
-
-

src/core/interfaces.py

@@ -0,0 +1,16 @@
+from typing import Protocol
+
+from src.repository.users import UsersRepo
+
+
+class IUnitOfWork(Protocol):
+    user: UsersRepo
+
+    async def __aenter__(self) -> "IUnitOfWork":
+        ...
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb) -> None:
+        ...
+
+    async def commit(self) -> None:
+        ...

src/schemas/users.py

@@ -17,4 +17,3 @@ class UserRequest(BaseModel):
     username: str
     email: EmailStr | None = None
     password: str
-

src/services/base.py

@@ -1,9 +1,8 @@
-from src.utils.db_manager import DBManager
+from src.core.interfaces import IUnitOfWork
 
 
 class BaseService:
-    session: DBManager | None
+    session: IUnitOfWork | None
 
-    def __init__(self, session: DBManager):
+    def __init__(self, session: "IUnitOfWork"):
         self.session = session
-