72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
import uuid
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from typing import Optional
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from sqlalchemy import select, func
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models.suggestion import Suggestion
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class SuggestionRepository:
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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[Suggestion]:
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result = await self.session.execute(
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select(Suggestion).where(Suggestion.id == id)
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)
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return result.scalar_one_or_none()
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async def list_by_brand(
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self, brand_id: uuid.UUID, *, skip: int = 0, limit: int = 100
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) -> list[Suggestion]:
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result = await self.session.execute(
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select(Suggestion)
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.where(Suggestion.brand_id == brand_id)
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.order_by(Suggestion.generated_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_brand(self, brand_id: uuid.UUID) -> int:
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result = await self.session.execute(
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select(func.count()).select_from(Suggestion).where(
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Suggestion.brand_id == brand_id
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)
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)
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return result.scalar_one()
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async def get_by_brand(self, brand_name: str) -> list[Suggestion]:
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from app.models.brand import Brand
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result = await self.session.execute(
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select(Suggestion)
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.join(Brand, Suggestion.brand_id == Brand.id)
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.where(Brand.name == brand_name)
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)
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return list(result.scalars().all())
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async def create(self, **kwargs) -> Suggestion:
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instance = Suggestion(**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[Suggestion]:
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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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