UMBRA/backend/app/routers/calendars.py
Kyle Pope 093bceed06 Add multi-calendar backend support with virtual birthday events
- New Calendar model and calendars table with system/default flags
- Alembic migration 006: creates calendars, seeds Personal+Birthdays, migrates existing events
- CalendarEvent model gains calendar_id FK and calendar_name/calendar_color properties
- Updated CalendarEventCreate/Response schemas to include calendar fields
- New /api/calendars CRUD router (blocks system calendar deletion/rename)
- Events router: selectinload on all queries, default-calendar assignment on POST, virtual birthday event generation from People with birthdays when Birthdays calendar is visible

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-21 19:07:35 +08:00

103 lines
3.3 KiB
Python

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, update
from typing import List
from app.database import get_db
from app.models.calendar import Calendar
from app.models.calendar_event import CalendarEvent
from app.schemas.calendar import CalendarCreate, CalendarUpdate, CalendarResponse
from app.routers.auth import get_current_session
from app.models.settings import Settings
router = APIRouter()
@router.get("/", response_model=List[CalendarResponse])
async def get_calendars(
db: AsyncSession = Depends(get_db),
current_user: Settings = Depends(get_current_session)
):
result = await db.execute(select(Calendar).order_by(Calendar.is_default.desc(), Calendar.name.asc()))
return result.scalars().all()
@router.post("/", response_model=CalendarResponse, status_code=201)
async def create_calendar(
calendar: CalendarCreate,
db: AsyncSession = Depends(get_db),
current_user: Settings = Depends(get_current_session)
):
new_calendar = Calendar(
name=calendar.name,
color=calendar.color,
is_default=False,
is_system=False,
is_visible=True,
)
db.add(new_calendar)
await db.commit()
await db.refresh(new_calendar)
return new_calendar
@router.put("/{calendar_id}", response_model=CalendarResponse)
async def update_calendar(
calendar_id: int,
calendar_update: CalendarUpdate,
db: AsyncSession = Depends(get_db),
current_user: Settings = Depends(get_current_session)
):
result = await db.execute(select(Calendar).where(Calendar.id == calendar_id))
calendar = result.scalar_one_or_none()
if not calendar:
raise HTTPException(status_code=404, detail="Calendar not found")
update_data = calendar_update.model_dump(exclude_unset=True)
# System calendars: allow visibility toggle but block name changes
if calendar.is_system and "name" in update_data:
raise HTTPException(status_code=400, detail="Cannot rename system calendars")
for key, value in update_data.items():
setattr(calendar, key, value)
await db.commit()
await db.refresh(calendar)
return calendar
@router.delete("/{calendar_id}", status_code=204)
async def delete_calendar(
calendar_id: int,
db: AsyncSession = Depends(get_db),
current_user: Settings = Depends(get_current_session)
):
result = await db.execute(select(Calendar).where(Calendar.id == calendar_id))
calendar = result.scalar_one_or_none()
if not calendar:
raise HTTPException(status_code=404, detail="Calendar not found")
if calendar.is_system:
raise HTTPException(status_code=400, detail="Cannot delete system calendars")
if calendar.is_default:
raise HTTPException(status_code=400, detail="Cannot delete the default calendar")
# Reassign all events on this calendar to the default calendar
default_result = await db.execute(select(Calendar).where(Calendar.is_default == True))
default_calendar = default_result.scalar_one_or_none()
if default_calendar:
await db.execute(
update(CalendarEvent)
.where(CalendarEvent.calendar_id == calendar_id)
.values(calendar_id=default_calendar.id)
)
await db.delete(calendar)
await db.commit()
return None