fix!: removed .commit() from repository level

repositories/users.py

@@ -1,13 +1,14 @@
 from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession
 
 from db.models import User
 from db.models.transactions import BalanceTransaction, BalanceTxType
+from db.session import UnitOfWork
 
 
 class UserRepository:
-    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_user_by_id(self, id: int) -> User | None:
         stmt = select(User).where(User.id == id)
@@ -44,8 +45,6 @@ class UserRepository:
             referal_id=referal_id,
         )
         self.session.add(obj)
-        await self.session.commit()
-
         return obj
 
     async def increase_balance(
@@ -67,11 +66,8 @@ class UserRepository:
         self.session.add(obj)
 
         user.balance += amount
-        await self.session.commit()
         return user
 
     async def update_telegram_id(self, user: User, telegram_id: int) -> User:
         user.telegram_id = telegram_id
-        await self.session.commit()
-
         return user