from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = "f4a5b6c7d8e9"
down_revision: Union[str, None] = "e3c1e0b5b4a7"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("subscriptions", sa.Column("modem_enabled", sa.Boolean(), nullable=True, server_default="false"))


def downgrade() -> None:
    op.drop_column("subscriptions", "modem_enabled")