giles
1f3d98ecc1
container_relations is a generic parent/child graph used by blog (menu_nodes), market (marketplaces), and events (calendars). Move it to cart as shared infrastructure. All services now call cart actions (attach-child/detach-child) instead of querying the table directly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
138 lines
5.0 KiB
Python
138 lines
5.0 KiB
Python
"""SQL-backed MarketService implementation.
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Queries ``shared.models.market.*`` and ``shared.models.market_place.*`` —
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only this module may read market-domain tables on behalf of other domains.
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"""
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from __future__ import annotations
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from shared.models.market import Product
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from shared.models.market_place import MarketPlace
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from shared.browser.app.utils import utcnow
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from shared.contracts.dtos import MarketPlaceDTO, ProductDTO
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from shared.infrastructure.actions import call_action
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def _mp_to_dto(mp: MarketPlace) -> MarketPlaceDTO:
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return MarketPlaceDTO(
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id=mp.id,
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container_type=mp.container_type,
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container_id=mp.container_id,
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name=mp.name,
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slug=mp.slug,
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description=mp.description,
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)
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def _product_to_dto(p: Product) -> ProductDTO:
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return ProductDTO(
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id=p.id,
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slug=p.slug,
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title=p.title,
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image=p.image,
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description_short=p.description_short,
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rrp=p.rrp,
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regular_price=p.regular_price,
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special_price=p.special_price,
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)
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class SqlMarketService:
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async def marketplaces_for_container(
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self, session: AsyncSession, container_type: str, container_id: int,
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) -> list[MarketPlaceDTO]:
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result = await session.execute(
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select(MarketPlace).where(
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MarketPlace.container_type == container_type,
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MarketPlace.container_id == container_id,
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MarketPlace.deleted_at.is_(None),
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).order_by(MarketPlace.name.asc())
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)
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return [_mp_to_dto(mp) for mp in result.scalars().all()]
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async def list_marketplaces(
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self, session: AsyncSession,
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container_type: str | None = None, container_id: int | None = None,
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*, page: int = 1, per_page: int = 20,
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) -> tuple[list[MarketPlaceDTO], bool]:
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stmt = select(MarketPlace).where(MarketPlace.deleted_at.is_(None))
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if container_type is not None and container_id is not None:
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stmt = stmt.where(
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MarketPlace.container_type == container_type,
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MarketPlace.container_id == container_id,
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)
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stmt = stmt.order_by(MarketPlace.name.asc())
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stmt = stmt.offset((page - 1) * per_page).limit(per_page + 1)
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rows = (await session.execute(stmt)).scalars().all()
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has_more = len(rows) > per_page
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return [_mp_to_dto(mp) for mp in rows[:per_page]], has_more
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async def product_by_id(self, session: AsyncSession, product_id: int) -> ProductDTO | None:
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product = (
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await session.execute(select(Product).where(Product.id == product_id))
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).scalar_one_or_none()
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return _product_to_dto(product) if product else None
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async def create_marketplace(
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self, session: AsyncSession, container_type: str, container_id: int,
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name: str, slug: str,
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) -> MarketPlaceDTO:
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# Look for existing (including soft-deleted)
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existing = (await session.execute(
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select(MarketPlace).where(
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MarketPlace.container_type == container_type,
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MarketPlace.container_id == container_id,
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MarketPlace.slug == slug,
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)
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)).scalar_one_or_none()
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if existing:
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if existing.deleted_at is not None:
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existing.deleted_at = None # revive
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existing.name = name
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await session.flush()
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await call_action("cart", "attach-child", payload={
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"parent_type": container_type, "parent_id": container_id,
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"child_type": "market", "child_id": existing.id,
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})
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return _mp_to_dto(existing)
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raise ValueError(f'Market with slug "{slug}" already exists for this container.')
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market = MarketPlace(
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container_type=container_type, container_id=container_id,
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name=name, slug=slug,
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)
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session.add(market)
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await session.flush()
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await call_action("cart", "attach-child", payload={
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"parent_type": container_type, "parent_id": container_id,
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"child_type": "market", "child_id": market.id,
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})
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return _mp_to_dto(market)
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async def soft_delete_marketplace(
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self, session: AsyncSession, container_type: str, container_id: int,
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slug: str,
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) -> bool:
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market = (await session.execute(
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select(MarketPlace).where(
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MarketPlace.container_type == container_type,
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MarketPlace.container_id == container_id,
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MarketPlace.slug == slug,
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MarketPlace.deleted_at.is_(None),
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)
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)).scalar_one_or_none()
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if not market:
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return False
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market.deleted_at = utcnow()
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await session.flush()
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await call_action("cart", "detach-child", payload={
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"parent_type": container_type, "parent_id": container_id,
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"child_type": "market", "child_id": market.id,
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})
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return True
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