"""add background_image to customers

Revision ID: 0002_add_background_image
Revises: 0001_initial_main
Create Date: 2026-07-15
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa

revision: str = "0002_add_background_image"
down_revision: Union[str, None] = "0001_initial_main"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("customers", sa.Column("background_image", sa.String(500), nullable=True))


def downgrade() -> None:
    op.drop_column("customers", "background_image")