PaiGram/apps/sign/repositories.py

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from typing import List, cast, Optional
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from utils.mysql import MySQL
from .models import Sign
class SignRepository:
def __init__(self, mysql: MySQL):
self.mysql = mysql
async def add(self, sign: Sign):
async with self.mysql.Session() as session:
session = cast(AsyncSession, session)
session.add(sign)
await session.commit()
async def update(self, sign: Sign):
async with self.mysql.Session() as session:
session = cast(AsyncSession, session)
session.add(sign)
await session.commit()
await session.refresh(sign)
async def get_by_user_id(self, user_id: int) -> Optional[Sign]:
async with self.mysql.Session() as session:
session = cast(AsyncSession, session)
statement = select(Sign).where(Sign.user_id == user_id)
results = await session.exec(statement)
if sign := results.first():
return sign[0]
return None
async def get_all(self) -> List[Sign]:
async with self.mysql.Session() as session:
query = select(Sign)
results = await session.exec(query)
signs = results.all()
return [sign[0] for sign in signs]