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events/bp/markets/services/markets.py
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Domain isolation: replace cross-domain imports with service calls
Replace direct Post, MarketPlace, Calendar model queries and HTTP API
calls with typed service calls. Events registers all 4 services via
domain_services_fn with has() guards.

Key changes:
- app.py: use domain_services_fn, Post/Calendar/MarketPlace queries
  → services.blog/calendar/market, HTTP cart API → services.cart
- calendars/markets services: Post → services.blog
- post_associations: Post → services.blog, direct queries → services
- markets routes: remove unused MarketPlace import
- glue imports → shared imports throughout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-19 04:30:20 +00:00

93 lines
3.0 KiB
Python

from __future__ import annotations
import re
import unicodedata
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from shared.models.market_place import MarketPlace
from shared.browser.app.utils import utcnow
from shared.services.registry import services
from shared.services.relationships import attach_child, detach_child
class MarketError(ValueError):
"""Base error for market service operations."""
def slugify(value: str, max_len: int = 255) -> str:
if value is None:
value = ""
value = unicodedata.normalize("NFKD", value)
value = value.encode("ascii", "ignore").decode("ascii")
value = value.lower()
value = value.replace("/", "-")
value = re.sub(r"[^a-z0-9]+", "-", value)
value = re.sub(r"-{2,}", "-", value)
value = value.strip("-")[:max_len].strip("-")
return value or "market"
async def create_market(sess: AsyncSession, post_id: int, name: str) -> MarketPlace:
"""
Create a market for a page. Name must be unique per page.
If a market with the same (post_id, slug) exists but is soft-deleted,
it will be revived.
"""
name = (name or "").strip()
if not name:
raise MarketError("Market name must not be empty.")
slug = slugify(name)
post = await services.blog.get_post_by_id(sess, post_id)
if not post:
raise MarketError(f"Post {post_id} does not exist.")
if not post.is_page:
raise MarketError("Markets can only be created on pages, not posts.")
# Look for existing (including soft-deleted)
existing = (await sess.execute(
select(MarketPlace).where(MarketPlace.container_type == "page", MarketPlace.container_id == post_id, MarketPlace.slug == slug)
)).scalar_one_or_none()
if existing:
if existing.deleted_at is not None:
existing.deleted_at = None
existing.name = name
await sess.flush()
await attach_child(sess, "page", post_id, "market", existing.id)
return existing
raise MarketError(f'Market with slug "{slug}" already exists for this page.')
market = MarketPlace(container_type="page", container_id=post_id, name=name, slug=slug)
sess.add(market)
await sess.flush()
await attach_child(sess, "page", post_id, "market", market.id)
return market
async def soft_delete(sess: AsyncSession, post_slug: str, market_slug: str) -> bool:
post = await services.blog.get_post_by_slug(sess, post_slug)
if not post:
return False
market = (
await sess.execute(
select(MarketPlace).where(
MarketPlace.container_type == "page",
MarketPlace.container_id == post.id,
MarketPlace.slug == market_slug,
MarketPlace.deleted_at.is_(None),
)
)
).scalar_one_or_none()
if not market:
return False
market.deleted_at = utcnow()
await sess.flush()
await detach_child(sess, "page", market.container_id, "market", market.id)
return True