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https://github.com/ets-labs/python-dependency-injector.git
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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
"""Repositories module."""
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from contextlib import AbstractContextManager
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from typing import Callable, Iterator
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from sqlalchemy.orm import Session
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from .models import User
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class UserRepository:
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def __init__(self, session_factory: Callable[..., AbstractContextManager[Session]]) -> None:
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self.session_factory = session_factory
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def get_all(self) -> Iterator[User]:
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with self.session_factory() as session:
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return session.query(User).all()
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def get_by_id(self, user_id: int) -> User:
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with self.session_factory() as session:
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user = session.query(User).filter(User.id == user_id).first()
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if not user:
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raise UserNotFoundError(user_id)
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return user
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def add(self, email: str, password: str, is_active: bool = True) -> User:
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with self.session_factory() as session:
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user = User(email=email, hashed_password=password, is_active=is_active)
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session.add(user)
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session.commit()
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session.refresh(user)
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return user
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def delete_by_id(self, user_id: int) -> None:
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with self.session_factory() as session:
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entity: User = session.query(User).filter(User.id == user_id).first()
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if not entity:
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raise UserNotFoundError(user_id)
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session.delete(entity)
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session.commit()
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class NotFoundError(Exception):
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entity_name: str
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def __init__(self, entity_id):
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super().__init__(f"{self.entity_name} not found, id: {entity_id}")
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class UserNotFoundError(NotFoundError):
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entity_name: str = "User"
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