fix!: removed .commit() from repository level

repositories/sessions.py

@@ -1,13 +1,14 @@
 from sqlalchemy import func, select
-from sqlalchemy.ext.asyncio import AsyncSession
 
 from db.models import Session
+from db.session import UnitOfWork
 from schemas.providers import ProvidersType
 
 
 class SessionsRepository:
-    def __init__(self, session: AsyncSession) -> None:
-        self.session = session
+    def __init__(self, uow: UnitOfWork) -> None:
+        self.uow = uow
+        self.session = uow.session
 
     async def get_session_by_id(self, id: int) -> Session | None:
         stmt = select(Session).where(Session.id == id)
@@ -27,12 +28,10 @@ class SessionsRepository:
     async def create(self, user_id: int, refresh_token_hash: str, iss: ProvidersType) -> Session:
         obj = Session(user_id=user_id, refresh_token_hash=refresh_token_hash, source=iss)
         self.session.add(obj)
-        await self.session.commit()
         return obj
 
     async def revoke(self, token_id: int):
         session = await self.get_session_by_id(token_id)
         session.is_revoked = True
         session.revoked_at = func.now()
-        await self.session.commit()
         return session