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shared/alembic/old_versions/215330c5ec15_add_calendars_and_entries.py
giles 668d9c7df8 feat: initial shared library extraction
Contains shared infrastructure for all coop services:
- shared/ (factory, urls, user_loader, context, internal_api, jinja_setup)
- models/ (User, Order, Calendar, Ticket, Product, Ghost CMS)
- db/ (SQLAlchemy async session, base)
- suma_browser/app/ (csrf, middleware, errors, authz, redis_cacher, payments, filters, utils)
- suma_browser/templates/ (shared base layouts, macros, error pages)
- static/ (CSS, JS, fonts, images)
- alembic/ (database migrations)
- config/ (app-config.yaml)
- editor/ (Lexical editor Node.js build)
- requirements.txt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 23:11:36 +00:00

93 lines
4.1 KiB
Python

"""add calendars & calendar_entries
Revision ID: 215330c5ec15
Revises: 20251102_223123
Create Date: 2025-11-03 13:07:10.387189
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = "215330c5ec15"
down_revision = "20251102_223123"
branch_labels = None
depends_on = None
def upgrade():
# calendars
op.create_table(
"calendars",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("post_id", sa.Integer(), sa.ForeignKey("posts.id", ondelete="CASCADE"), nullable=False),
sa.Column("name", sa.String(length=255), nullable=False),
sa.Column("slug", sa.String(length=255), nullable=False),
sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
# no hard UniqueConstraint; we enforce soft-delete-aware uniqueness with a partial index below
)
# helpful lookup indexes
op.create_index("ix_calendars_post_id", "calendars", ["post_id"], unique=False)
op.create_index("ix_calendars_name", "calendars", ["name"], unique=False)
op.create_index("ix_calendars_slug", "calendars", ["slug"], unique=False)
# calendar_entries
op.create_table(
"calendar_entries",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column("calendar_id", sa.Integer(), sa.ForeignKey("calendars.id", ondelete="CASCADE"), nullable=False),
sa.Column("name", sa.String(length=255), nullable=False),
sa.Column("start_at", sa.DateTime(timezone=True), nullable=False),
sa.Column("end_at", sa.DateTime(timezone=True), nullable=True), # <- allow open-ended
sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
sa.CheckConstraint("(end_at IS NULL) OR (end_at >= start_at)", name="ck_calendar_entries_end_after_start"),
)
op.create_index("ix_calendar_entries_calendar_id", "calendar_entries", ["calendar_id"], unique=False)
op.create_index("ix_calendar_entries_start_at", "calendar_entries", ["start_at"], unique=False)
op.create_index("ix_calendar_entries_name", "calendar_entries", ["name"], unique=False)
# ---- Soft-delete-aware uniqueness for calendars (Postgres) ----
# One active calendar per (post_id, lower(slug))
if op.get_bind().dialect.name == "postgresql":
# cleanup any active duplicates (defensive; table is new on fresh runs)
op.execute("""
WITH ranked AS (
SELECT
id,
ROW_NUMBER() OVER (
PARTITION BY post_id, lower(slug)
ORDER BY updated_at DESC, created_at DESC, id DESC
) AS rn
FROM calendars
WHERE deleted_at IS NULL
)
UPDATE calendars c
SET deleted_at = NOW()
FROM ranked r
WHERE c.id = r.id AND r.rn > 1;
""")
op.execute("""
CREATE UNIQUE INDEX IF NOT EXISTS ux_calendars_post_slug_active
ON calendars (post_id, lower(slug))
WHERE deleted_at IS NULL;
""")
def downgrade():
# drop in reverse dependency order
op.drop_index("ix_calendar_entries_name", table_name="calendar_entries")
op.drop_index("ix_calendar_entries_start_at", table_name="calendar_entries")
op.drop_index("ix_calendar_entries_calendar_id", table_name="calendar_entries")
op.drop_table("calendar_entries")
if op.get_bind().dialect.name == "postgresql":
op.execute("DROP INDEX IF EXISTS ux_calendars_post_slug_active;")
op.drop_index("ix_calendars_slug", table_name="calendars")
op.drop_index("ix_calendars_name", table_name="calendars")
op.drop_index("ix_calendars_post_id", table_name="calendars")
op.drop_table("calendars")