"""Add assignee_id to kanban_card table

Revision ID: 0003
Revises: 0001
Create Date: 2024-12-13 00:00:00.000000

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '0003'
down_revision = '0001'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Add assignee_id column to kanban_card table
    op.add_column('kanban_card', sa.Column('assignee_id', sa.Integer(), nullable=True))
    # Add foreign key constraint
    op.create_foreign_key('fk_kanban_card_assignee_id', 'kanban_card', 'user', ['assignee_id'], ['id'])


def downgrade() -> None:
    # Drop foreign key constraint
    op.drop_constraint('fk_kanban_card_assignee_id', 'kanban_card', type_='foreignkey')
    # Remove assignee_id column
    op.drop_column('kanban_card', 'assignee_id')