"""add_dispatch_photo_url_to_chassis

Revision ID: b3c4d5e6f7a8
Revises: cf641b0f3f1a
Create Date: 2026-07-20 17:53:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'b3c4d5e6f7a8'
down_revision: Union[str, None] = 'cf641b0f3f1a'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('chassis_master', sa.Column('dispatch_photo_url', sa.Text(), nullable=True))
    op.add_column('chassis_master', sa.Column('dispatched_at', sa.DateTime(timezone=True), nullable=True))


def downgrade() -> None:
    op.drop_column('chassis_master', 'dispatched_at')
    op.drop_column('chassis_master', 'dispatch_photo_url')