feat(db): add migration 002 for stations and assignments

server/migrations/versions/002_add_stations.py

@@ -0,0 +1,54 @@
+"""add stations and station_recipe_assignments tables
+
+Revision ID: 002_add_stations
+Revises: 001_image_path
+Create Date: 2026-04-17
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = '002_add_stations'
+down_revision: Union[str, None] = '001_image_path'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'stations',
+        sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
+        sa.Column('code', sa.String(100), nullable=False),
+        sa.Column('name', sa.String(255), nullable=False),
+        sa.Column('location', sa.String(255), nullable=True),
+        sa.Column('notes', sa.Text, nullable=True),
+        sa.Column('active', sa.Boolean, nullable=False, server_default=sa.true()),
+        sa.Column('created_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False),
+        sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
+        sa.UniqueConstraint('code', name='uq_stations_code'),
+        sa.Index('ix_stations_code', 'code'),
+        sa.Index('ix_stations_active', 'active'),
+        mysql_engine='InnoDB',
+        mysql_charset='utf8mb4',
+    )
+
+    op.create_table(
+        'station_recipe_assignments',
+        sa.Column('id', sa.Integer, primary_key=True, autoincrement=True),
+        sa.Column('station_id', sa.Integer, sa.ForeignKey('stations.id', ondelete='CASCADE'), nullable=False),
+        sa.Column('recipe_id', sa.Integer, sa.ForeignKey('recipes.id', ondelete='CASCADE'), nullable=False),
+        sa.Column('assigned_by', sa.Integer, sa.ForeignKey('users.id'), nullable=False),
+        sa.Column('assigned_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
+        sa.UniqueConstraint('station_id', 'recipe_id', name='uq_station_recipe'),
+        sa.Index('ix_sra_station', 'station_id'),
+        sa.Index('ix_sra_recipe', 'recipe_id'),
+        mysql_engine='InnoDB',
+        mysql_charset='utf8mb4',
+    )
+
+
+def downgrade() -> None:
+    op.drop_table('station_recipe_assignments')
+    op.drop_table('stations')