from apollo_utils.service.exceptions import BadRequest


class FavoritesError(BadRequest):
    """Base class for starred tracks exceptions."""


class AlreadyAddedToFavoritesError(FavoritesError):
    code = "starring.already_starred"
    detail = "This entity was starred already. No changes have been made."


class AlreadyRemovedFromFavoritesError(FavoritesError):
    code = "starring.already_unstarred"
    detail = "This entity was unstarred already. No changes have been made."