feat(calendar): implement events service with CalDAV push

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-25 12:49:57 -04:00
parent b547f47f54
commit 90ca667df2
2 changed files with 382 additions and 0 deletions
+245
View File
@@ -0,0 +1,245 @@
"""Internal event store service with CalDAV push sync."""
from __future__ import annotations
import asyncio
import logging
import uuid
from datetime import datetime, timedelta, timezone
from sqlalchemy import or_, select
from fabledassistant.models import async_session
from fabledassistant.models.event import Event
logger = logging.getLogger(__name__)
async def create_event(
user_id: int,
title: str,
start_dt: datetime,
end_dt: datetime | None = None,
all_day: bool = False,
description: str = "",
location: str = "",
color: str = "",
recurrence: str | None = None,
project_id: int | None = None,
# CalDAV-only fields (not stored in DB, forwarded to push)
duration: int | None = None,
reminder_minutes: int | None = None,
attendees: list[str] | None = None,
calendar_name: str | None = None,
) -> Event:
"""Create an event in the DB, then fire a CalDAV push task."""
uid = str(uuid.uuid4())
async with async_session() as session:
event = Event(
user_id=user_id,
uid=uid,
title=title,
start_dt=start_dt,
end_dt=end_dt,
all_day=all_day,
description=description,
location=location,
color=color,
recurrence=recurrence,
project_id=project_id,
)
session.add(event)
await session.commit()
await session.refresh(event)
extra_fields = {
"duration": duration,
"reminder_minutes": reminder_minutes,
"attendees": attendees,
"calendar_name": calendar_name,
}
asyncio.create_task(_push_create(event, user_id, extra_fields))
return event
async def get_event(user_id: int, event_id: int) -> Event | None:
"""Return event owned by user_id, or None."""
async with async_session() as session:
result = await session.execute(
select(Event).where(Event.id == event_id, Event.user_id == user_id)
)
return result.scalar_one_or_none()
async def list_events(
user_id: int,
date_from: datetime,
date_to: datetime,
) -> list[Event]:
"""List events for user_id within [date_from, date_to]."""
async with async_session() as session:
result = await session.execute(
select(Event).where(
Event.user_id == user_id,
Event.start_dt >= date_from,
Event.start_dt <= date_to,
).order_by(Event.start_dt)
)
return result.scalars().all()
async def search_events(
user_id: int,
query: str,
days_ahead: int = 90,
) -> list[Event]:
"""Search events by keyword in title, description, or location."""
now = datetime.now(timezone.utc)
date_to = now + timedelta(days=days_ahead)
q = f"%{query}%"
async with async_session() as session:
result = await session.execute(
select(Event).where(
Event.user_id == user_id,
Event.start_dt >= now,
Event.start_dt <= date_to,
or_(
Event.title.ilike(q),
Event.description.ilike(q),
Event.location.ilike(q),
),
).order_by(Event.start_dt)
)
return result.scalars().all()
async def update_event(user_id: int, event_id: int, **fields) -> Event | None:
"""Partial update. Returns updated event or None if not found."""
async with async_session() as session:
result = await session.execute(
select(Event).where(Event.id == event_id, Event.user_id == user_id)
)
event = result.scalar_one_or_none()
if event is None:
return None
old_title = event.title # capture before mutation for CalDAV lookup
allowed = {"title", "start_dt", "end_dt", "all_day", "description",
"location", "color", "recurrence", "project_id"}
for key, value in fields.items():
if key in allowed and value is not None:
setattr(event, key, value)
await session.commit()
await session.refresh(event)
asyncio.create_task(_push_update(event, user_id, old_title=old_title))
return event
async def delete_event(user_id: int, event_id: int) -> None:
"""Delete event. Fires CalDAV delete push if caldav_uid is set."""
async with async_session() as session:
result = await session.execute(
select(Event).where(Event.id == event_id, Event.user_id == user_id)
)
event = result.scalar_one_or_none()
if event is None:
return
caldav_uid = event.caldav_uid
event_title = event.title # needed to find the event on CalDAV by title
await session.delete(event)
await session.commit()
if caldav_uid:
asyncio.create_task(_push_delete(caldav_uid, event_title, user_id))
async def find_events_by_query(user_id: int, query: str) -> list[Event]:
"""ILIKE search on title — used by AI update/delete tools."""
q = f"%{query}%"
async with async_session() as session:
result = await session.execute(
select(Event).where(
Event.user_id == user_id,
Event.title.ilike(q),
).order_by(Event.start_dt)
)
return result.scalars().all()
# ---------------------------------------------------------------------------
# CalDAV push helpers (fire-and-forget)
# ---------------------------------------------------------------------------
async def _push_create(event: Event, user_id: int, extra: dict) -> None:
try:
from fabledassistant.services.caldav import (
create_event as caldav_create,
is_caldav_configured,
)
if not await is_caldav_configured(user_id):
return
await caldav_create(
user_id=user_id,
title=event.title,
start=event.start_dt.isoformat(),
end=event.end_dt.isoformat() if event.end_dt else None,
description=event.description or None,
location=event.location or None,
all_day=event.all_day,
recurrence=event.recurrence,
uid=event.uid,
duration=extra.get("duration"),
reminder_minutes=extra.get("reminder_minutes"),
attendees=extra.get("attendees"),
calendar_name=extra.get("calendar_name"),
)
# Mark as synced
async with async_session() as session:
result = await session.execute(
select(Event).where(Event.id == event.id)
)
ev = result.scalar_one_or_none()
if ev:
ev.caldav_uid = event.uid
await session.commit()
except Exception:
logger.warning("CalDAV push (create) failed for event %d", event.id, exc_info=True)
async def _push_update(event: Event, user_id: int, old_title: str = "") -> None:
"""Push an update to CalDAV. Uses old_title to locate the event by its pre-rename SUMMARY."""
if not event.caldav_uid:
return
try:
from fabledassistant.services.caldav import (
update_event as caldav_update,
is_caldav_configured,
)
if not await is_caldav_configured(user_id):
return
# Use old_title so CalDAV can find the event even if the title was changed
query_title = old_title or event.title
await caldav_update(
user_id=user_id,
query=query_title,
title=event.title,
start=event.start_dt.isoformat(),
end=event.end_dt.isoformat() if event.end_dt else None,
description=event.description or None,
location=event.location or None,
)
except Exception:
logger.warning("CalDAV push (update) failed for event %d", event.id, exc_info=True)
async def _push_delete(caldav_uid: str, event_title: str, user_id: int) -> None:
"""Push a delete to CalDAV. Uses event_title to locate the event by SUMMARY."""
try:
from fabledassistant.services.caldav import (
delete_event as caldav_delete,
is_caldav_configured,
)
if not await is_caldav_configured(user_id):
return
await caldav_delete(user_id=user_id, query=event_title)
except Exception:
logger.warning("CalDAV push (delete) failed for uid %s", caldav_uid, exc_info=True)