"""Add directory records to the file catalog."""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "20260802_0004"
down_revision: str | Sequence[str] | None = "20260802_0003"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    with op.batch_alter_table("file_records") as batch:
        batch.add_column(
            sa.Column("is_directory", sa.Boolean(), nullable=False, server_default=sa.false())
        )
        batch.create_index("ix_file_records_is_directory", ["is_directory"])


def downgrade() -> None:
    with op.batch_alter_table("file_records") as batch:
        batch.drop_index("ix_file_records_is_directory")
        batch.drop_column("is_directory")