UMBRA/backend/alembic/versions/006_add_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

90 lines
2.7 KiB
Python

"""Add calendars table and calendar_id to calendar_events
Revision ID: 006
Revises: 005
Create Date: 2026-02-21 00:00:00.000000
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import table, column
# revision identifiers, used by Alembic.
revision: str = '006'
down_revision: Union[str, None] = '005'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
# 1. Create the calendars table
op.create_table(
'calendars',
sa.Column('id', sa.Integer(), primary_key=True, index=True),
sa.Column('name', sa.String(100), nullable=False),
sa.Column('color', sa.String(20), nullable=False),
sa.Column('is_default', sa.Boolean(), nullable=False, server_default='false'),
sa.Column('is_system', sa.Boolean(), nullable=False, server_default='false'),
sa.Column('is_visible', sa.Boolean(), nullable=False, server_default='true'),
sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now()),
)
# 2. Seed the two default calendars
calendars_table = table(
'calendars',
column('name', sa.String),
column('color', sa.String),
column('is_default', sa.Boolean),
column('is_system', sa.Boolean),
column('is_visible', sa.Boolean),
)
op.bulk_insert(calendars_table, [
{
'name': 'Personal',
'color': '#3b82f6',
'is_default': True,
'is_system': False,
'is_visible': True,
},
{
'name': 'Birthdays',
'color': '#ec4899',
'is_default': False,
'is_system': True,
'is_visible': True,
},
])
# 3. Add calendar_id as nullable first so existing rows don't violate NOT NULL
op.add_column('calendar_events', sa.Column('calendar_id', sa.Integer(), nullable=True))
# 4. Set all existing events to the Personal (default) calendar
op.execute(
"""
UPDATE calendar_events
SET calendar_id = (SELECT id FROM calendars WHERE is_default = true LIMIT 1)
WHERE calendar_id IS NULL
"""
)
# 5. Alter to NOT NULL and add FK constraint
op.alter_column('calendar_events', 'calendar_id', nullable=False)
op.create_foreign_key(
'fk_calendar_events_calendar_id',
'calendar_events',
'calendars',
['calendar_id'],
['id'],
)
def downgrade() -> None:
op.drop_constraint('fk_calendar_events_calendar_id', 'calendar_events', type_='foreignkey')
op.drop_column('calendar_events', 'calendar_id')
op.drop_table('calendars')