88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from sqlalchemy.sql.expression import func
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from typing import Optional
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from config import PAGE_SIZE
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from db.models import Product
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class ProductRepository:
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async def get_product_by_id(
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self, session: AsyncSession, product_id: int
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) -> Optional[Product]:
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stmt = select(Product).where(Product.id == product_id)
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return await session.scalar(stmt)
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async def get_product_by_category(
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self, session: AsyncSession, category_id: int, *, limit: int, offset: int
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) -> list[Product]:
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stmt = (
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select(Product)
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.where(Product.category_id == category_id)
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.order_by(Product.id)
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.offset(offset)
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.limit(limit)
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)
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result = await session.scalars(stmt)
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return list(result)
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async def add_product_file_id(
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self, session: AsyncSession, product_id: int, *, file_id: str
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) -> None:
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product = await self.get_product_by_id(session, product_id)
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product.file_id = file_id
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await session.commit()
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async def search(
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self,
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session: AsyncSession,
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query: str,
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*,
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limit: int = PAGE_SIZE + 1,
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offset: int = 0,
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) -> list[Optional[Product]]:
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ts_query = func.plainto_tsquery("simple", query)
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stmt = (
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select(Product)
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.where(Product.search_vector.op("@@")(ts_query))
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.order_by(func.ts_rank(Product.search_vector, ts_query).desc())
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.limit(limit)
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.offset(offset)
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)
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res = await session.scalars(stmt)
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return list(res)
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async def update_product_name_by_id(
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self, session: AsyncSession, product_id: int, name: str
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):
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product = await self.get_product_by_id(session, product_id=product_id)
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product.name = name
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await session.commit()
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return product
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async def update_product_description_by_id(
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self, session: AsyncSession, product_id: int, description: str
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):
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product = await self.get_product_by_id(session, product_id=product_id)
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product.description = description
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await session.commit()
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return product
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async def update_product_price_by_id(
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self, session: AsyncSession, product_id: int, price: str
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):
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product = await self.get_product_by_id(session, product_id=product_id)
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product.price = price
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await session.commit()
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return product
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