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rose-ash/events/bp/calendars/services/calendars.py
giles fa431ee13e
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Split cart into 4 microservices: relations, likes, orders, page-config→blog
Phase 1 - Relations service (internal): owns ContainerRelation, exposes
get-children data + attach/detach-child actions. Retargeted events, blog,
market callers from cart to relations.

Phase 2 - Likes service (internal): unified Like model replaces ProductLike
and PostLike with generic target_type/target_slug/target_id. Exposes
is-liked, liked-slugs, liked-ids data + toggle action.

Phase 3 - PageConfig → blog: moved ownership to blog with direct DB queries,
removed proxy endpoints from cart.

Phase 4 - Orders service (public): owns Order/OrderItem + SumUp checkout
flow. Cart checkout now delegates to orders via create-order action.
Webhook/return routes and reconciliation moved to orders.

Phase 5 - Infrastructure: docker-compose, deploy.sh, Dockerfiles updated
for all 3 new services. Added orders_url helper and factory model imports.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-27 09:03:33 +00:00

128 lines
4.1 KiB
Python

from __future__ import annotations
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from models.calendars import Calendar
from shared.infrastructure.data_client import fetch_data
from shared.contracts.dtos import PostDTO, dto_from_dict
from shared.infrastructure.actions import call_action
import unicodedata
import re
class CalendarError(ValueError):
"""Base error for calendar service operations."""
from shared.browser.app.utils import (
utcnow
)
def slugify(value: str, max_len: int = 255) -> str:
"""
Make a URL-friendly slug:
- lowercase
- remove accents
- replace any non [a-z0-9]+ with '-'
- no forward slashes
- collapse multiple dashes
- trim leading/trailing dashes
"""
if value is None:
value = ""
# normalize accents -> ASCII
value = unicodedata.normalize("NFKD", value)
value = value.encode("ascii", "ignore").decode("ascii")
value = value.lower()
# explicitly block forward slashes
value = value.replace("/", "-")
# replace non-alnum with hyphen
value = re.sub(r"[^a-z0-9]+", "-", value)
# collapse multiple hyphens
value = re.sub(r"-{2,}", "-", value)
# trim hyphens and enforce length
value = value.strip("-")[:max_len].strip("-")
# fallback if empty
return value or "calendar"
async def soft_delete(sess: AsyncSession, post_slug: str, calendar_slug: str) -> bool:
raw = await fetch_data("blog", "post-by-slug", params={"slug": post_slug}, required=False)
post = dto_from_dict(PostDTO, raw) if raw else None
if not post:
return False
cal = (
await sess.execute(
select(Calendar).where(
Calendar.container_type == "page",
Calendar.container_id == post.id,
Calendar.slug == calendar_slug,
Calendar.deleted_at.is_(None),
)
)
).scalar_one_or_none()
if not cal:
return False
cal.deleted_at = utcnow()
await sess.flush()
await call_action("relations", "detach-child", payload={
"parent_type": "page", "parent_id": cal.container_id,
"child_type": "calendar", "child_id": cal.id,
})
return True
async def create_calendar(sess: AsyncSession, post_id: int, name: str) -> Calendar:
"""
Create a calendar for a post. Name must be unique per post.
If a calendar with the same (post_id, name) exists but is soft-deleted,
it will be revived (deleted_at=None).
"""
name = (name or "").strip()
if not name:
raise CalendarError("Calendar name must not be empty.")
slug=slugify(name)
# Ensure post exists (avoid silent FK errors in some DBs)
raw = await fetch_data("blog", "post-by-id", params={"id": post_id}, required=False)
post = dto_from_dict(PostDTO, raw) if raw else None
if not post:
raise CalendarError(f"Post {post_id} does not exist.")
# Enforce: calendars can only be created on pages with the calendar feature
if not post.is_page:
raise CalendarError("Calendars can only be created on pages, not posts.")
# Look for existing (including soft-deleted)
q = await sess.execute(
select(Calendar).where(Calendar.container_type == "page", Calendar.container_id == post_id, Calendar.name == name)
)
existing = q.scalar_one_or_none()
if existing:
if existing.deleted_at is not None:
existing.deleted_at = None # revive
await sess.flush()
await call_action("relations", "attach-child", payload={
"parent_type": "page", "parent_id": post_id,
"child_type": "calendar", "child_id": existing.id,
})
return existing
raise CalendarError(f'Calendar with slug "{slug}" already exists for post {post_id}.')
cal = Calendar(container_type="page", container_id=post_id, name=name, slug=slug)
sess.add(cal)
await sess.flush()
await call_action("relations", "attach-child", payload={
"parent_type": "page", "parent_id": post_id,
"child_type": "calendar", "child_id": cal.id,
})
return cal