remove fucking uow and replace it by TransactionContextManager

api/application/usecase/auth/create_user.py

@@ -1,9 +1,6 @@
-from sqlalchemy.exc import IntegrityError
-
-from api.application.abstractions import UnitOfWork
+from api.application.abstractions.transaction import TransactionContextManager
 from api.application.contracts.auth.auth_request import UserCreateRequest
 from api.application.protocols.password_hasher import PasswordHasher
-from api.domain.user.error import UserAlreadyExistsError
 from api.domain.user.model import User
 from api.domain.user.repository import UserRepository
 
@@ -11,11 +8,11 @@ from api.domain.user.repository import UserRepository
 class CreateUser:
     def __init__(
         self,
-        uow: UnitOfWork,
+        transaction: TransactionContextManager,
         user_repository: UserRepository,
         password_hasher: PasswordHasher,
     ) -> None:
-        self.uow = uow
+        self.transaction = transaction
         self.user_repository = user_repository
         self.hasher = password_hasher
 
@@ -27,13 +24,6 @@ class CreateUser:
             hashed_password=self.hasher.hash_password(request.password),
         )
 
-        try:
+        async with self.transaction as tr:
             await self.user_repository.create_user(user=user)
-            await self.uow.commit()
-
-        except IntegrityError as e:
-            msg = e.args[0].split("\n")[-1]
-            msg = msg.split(":")[1].strip()
-
-            if "email" in msg:
-                raise UserAlreadyExistsError(message=msg)
+            await tr.commit()