Major refactor WIP

backend/alembic/versions/007_ppr_activated_status.py

@@ -0,0 +1,58 @@
+"""Add ACTIVATED status to PPR, PENDING status to departures, arrival_id FK on departures
+
+Revision ID: 007_ppr_activated_status
+Revises: 006_movements
+Create Date: 2026-04-03 12:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+revision = '007_ppr_activated_status'
+down_revision = '006_movements'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Add ACTIVATED to PPR status enum
+    op.execute(
+        "ALTER TABLE submitted MODIFY COLUMN status "
+        "ENUM('NEW','CONFIRMED','CANCELED','LANDED','DELETED','DEPARTED','ACTIVATED') NOT NULL"
+    )
+
+    # Add PENDING to departures status enum
+    op.execute(
+        "ALTER TABLE departures MODIFY COLUMN status "
+        "ENUM('BOOKED_OUT','GROUND','DEPARTED','LOCAL','CANCELLED','PENDING') NOT NULL"
+    )
+
+    # Add arrival_id FK column to departures (nullable - only set for PPR-activated departures)
+    op.add_column('departures', sa.Column('arrival_id', sa.BigInteger(), nullable=True))
+    op.create_foreign_key(
+        'fk_departures_arrival_id', 'departures', 'arrivals',
+        ['arrival_id'], ['id'], ondelete='SET NULL'
+    )
+    op.create_index('idx_departures_arrival_id', 'departures', ['arrival_id'])
+
+
+def downgrade() -> None:
+    op.drop_index('idx_departures_arrival_id', table_name='departures')
+    op.drop_constraint('fk_departures_arrival_id', 'departures', type_='foreignkey')
+    op.drop_column('departures', 'arrival_id')
+
+    op.execute(
+        "UPDATE departures SET status = 'CANCELLED' WHERE status = 'PENDING'"
+    )
+    op.execute(
+        "ALTER TABLE departures MODIFY COLUMN status "
+        "ENUM('BOOKED_OUT','GROUND','DEPARTED','LOCAL','CANCELLED') NOT NULL"
+    )
+
+    op.execute(
+        "UPDATE submitted SET status = 'CONFIRMED' WHERE status = 'ACTIVATED'"
+    )
+    op.execute(
+        "ALTER TABLE submitted MODIFY COLUMN status "
+        "ENUM('NEW','CONFIRMED','CANCELED','LANDED','DELETED','DEPARTED') NOT NULL"
+    )