"""Cloud saves became an explicit permission; keep them for existing system roles."""
import sqlalchemy as sa
from alembic import op

revision = "0004"
down_revision = "0003"
branch_labels = depends_on = None


def upgrade():
    op.get_bind().execute(sa.text(
        "UPDATE roles SET permissions = array_append(permissions, 'saves.cloud') "
        "WHERE is_system AND name IN ('moderator', 'player') AND NOT ('saves.cloud' = ANY(permissions))"))


def downgrade():
    op.get_bind().execute(sa.text(
        "UPDATE roles SET permissions = array_remove(permissions, 'saves.cloud')"))