"""Add kanban_card_activity_log table

Revision ID: 0004
Revises: 0003
Create Date: 2024-12-13 00:00:00.000000

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '0004'
down_revision = '0003'
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        'kanban_card_activity_log',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('card_id', sa.Integer(), nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('action', sa.String(), nullable=False),
        sa.Column('field_name', sa.String(), nullable=True),
        sa.Column('old_value', sa.String(), nullable=True),
        sa.Column('new_value', sa.String(), nullable=True),
        sa.Column('created_at', sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(['card_id'], ['kanban_card.id'], ),
        sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
        sa.PrimaryKeyConstraint('id')
    )


def downgrade() -> None:
    op.drop_table('kanban_card_activity_log')