"""add_user_approval_system

Revision ID: 4c0d2503877e
Revises: 997376dc1774
Create Date: 2025-09-28 11:55:11.997364

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '4c0d2503877e'
down_revision: Union[str, Sequence[str], None] = '997376dc1774'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    # Add column as nullable first
    op.add_column('user', sa.Column('is_approved', sa.Boolean(), nullable=True))
    
    # Set default value for existing users - approve all existing users by default
    # (they were created before the approval system, so they should be grandfathered in)
    op.execute("UPDATE \"user\" SET is_approved = true")
    
    # Make column not nullable
    op.alter_column('user', 'is_approved', nullable=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('user', 'is_approved')
    # ### end Alembic commands ###