78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
import uuid
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from typing import Optional
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from sqlalchemy import select, func, update
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models.alert import Alert
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class AlertRepository:
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def __init__(self, session: AsyncSession):
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self.session = session
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async def get_by_id(self, id: uuid.UUID) -> Optional[Alert]:
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result = await self.session.execute(
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select(Alert).where(Alert.id == id)
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)
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return result.scalar_one_or_none()
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async def list_by_user(
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self, user_id: uuid.UUID, *, skip: int = 0, limit: int = 100
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) -> list[Alert]:
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result = await self.session.execute(
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select(Alert)
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.where(Alert.user_id == user_id)
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.order_by(Alert.created_at.desc())
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.offset(skip)
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.limit(limit)
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)
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return list(result.scalars().all())
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async def count_by_user(self, user_id: uuid.UUID) -> int:
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result = await self.session.execute(
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select(func.count()).select_from(Alert).where(Alert.user_id == user_id)
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)
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return result.scalar_one()
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async def get_unread_by_user(self, user_id: uuid.UUID) -> list[Alert]:
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result = await self.session.execute(
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select(Alert).where(
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Alert.user_id == user_id,
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Alert.is_read == False,
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).order_by(Alert.created_at.desc())
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)
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return list(result.scalars().all())
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async def mark_as_read(self, alert_id: uuid.UUID) -> bool:
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instance = await self.get_by_id(alert_id)
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if instance is None:
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return False
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instance.is_read = True
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await self.session.flush()
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return True
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async def create(self, **kwargs) -> Alert:
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instance = Alert(**kwargs)
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self.session.add(instance)
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await self.session.flush()
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return instance
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async def update(self, id: uuid.UUID, **kwargs) -> Optional[Alert]:
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instance = await self.get_by_id(id)
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if instance is None:
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return None
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for key, value in kwargs.items():
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if hasattr(instance, key):
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setattr(instance, key, value)
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await self.session.flush()
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return instance
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async def delete(self, id: uuid.UUID) -> bool:
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instance = await self.get_by_id(id)
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if instance is None:
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return False
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await self.session.delete(instance)
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await self.session.flush()
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return True
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