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events/bp/calendar_entry/services/post_associations.py
giles 154f968296 feat: decouple events from shared_lib, add app-owned models
Phase 1-3 of decoupling:
- path_setup.py adds project root to sys.path
- Events-owned models in events/models/ (calendars with all related models)
- All imports updated: shared.infrastructure, shared.db, shared.browser, etc.
- Calendar uses container_type/container_id instead of post_id FK
- CalendarEntryPost uses content_type/content_id (generic content refs)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-11 12:46:36 +00:00

141 lines
3.8 KiB
Python

from __future__ import annotations
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select
from sqlalchemy.sql import func
from models.calendars import CalendarEntry, CalendarEntryPost
from blog.models.ghost_content import Post
async def add_post_to_entry(
session: AsyncSession,
entry_id: int,
post_id: int
) -> tuple[bool, str | None]:
"""
Associate a post with a calendar entry.
Returns (success, error_message).
"""
# Check if entry exists
entry = await session.scalar(
select(CalendarEntry).where(
CalendarEntry.id == entry_id,
CalendarEntry.deleted_at.is_(None)
)
)
if not entry:
return False, "Calendar entry not found"
# Check if post exists
post = await session.scalar(
select(Post).where(Post.id == post_id)
)
if not post:
return False, "Post not found"
# Check if association already exists
existing = await session.scalar(
select(CalendarEntryPost).where(
CalendarEntryPost.entry_id == entry_id,
CalendarEntryPost.content_type == "post",
CalendarEntryPost.content_id == post_id,
CalendarEntryPost.deleted_at.is_(None)
)
)
if existing:
return False, "Post is already associated with this entry"
# Create association
association = CalendarEntryPost(
entry_id=entry_id,
content_type="post",
content_id=post_id
)
session.add(association)
await session.flush()
return True, None
async def remove_post_from_entry(
session: AsyncSession,
entry_id: int,
post_id: int
) -> tuple[bool, str | None]:
"""
Remove a post association from a calendar entry (soft delete).
Returns (success, error_message).
"""
# Find the association
association = await session.scalar(
select(CalendarEntryPost).where(
CalendarEntryPost.entry_id == entry_id,
CalendarEntryPost.content_type == "post",
CalendarEntryPost.content_id == post_id,
CalendarEntryPost.deleted_at.is_(None)
)
)
if not association:
return False, "Association not found"
# Soft delete
association.deleted_at = func.now()
await session.flush()
return True, None
async def get_entry_posts(
session: AsyncSession,
entry_id: int
) -> list[Post]:
"""
Get all posts associated with a calendar entry.
"""
result = await session.execute(
select(Post)
.join(CalendarEntryPost)
.where(
CalendarEntryPost.entry_id == entry_id,
CalendarEntryPost.deleted_at.is_(None)
)
.order_by(Post.title)
)
return list(result.scalars().all())
async def search_posts(
session: AsyncSession,
query: str,
page: int = 1,
per_page: int = 10
) -> tuple[list[Post], int]:
"""
Search for posts by title with pagination.
If query is empty, returns all posts in published order.
Returns (posts, total_count).
"""
# Build base query
if query:
# Search by title
count_stmt = select(func.count(Post.id)).where(Post.title.ilike(f"%{query}%"))
posts_stmt = select(Post).where(Post.title.ilike(f"%{query}%")).order_by(Post.title)
else:
# All posts in published order (newest first)
count_stmt = select(func.count(Post.id))
posts_stmt = select(Post).order_by(Post.published_at.desc().nullslast())
# Count total
count_result = await session.execute(count_stmt)
total = count_result.scalar() or 0
# Get paginated results
offset = (page - 1) * per_page
result = await session.execute(
posts_stmt.limit(per_page).offset(offset)
)
return list(result.scalars().all()), total