from app import db
from app.dao.dao_utils import autocommit
from app.models import ServicePermission


def dao_fetch_service_permissions(service_id):
    return ServicePermission.query.filter(
        ServicePermission.service_id == service_id
    ).all()


@autocommit
def dao_add_service_permission(service_id, permission):
    service_permission = ServicePermission(service_id=service_id, permission=permission)
    db.session.add(service_permission)


def dao_remove_service_permission(service_id, permission):
    deleted = ServicePermission.query.filter(
        ServicePermission.service_id == service_id,
        ServicePermission.permission == permission,
    ).delete()
    db.session.commit()
    return deleted