"""
Redis DB exceptions.
"""
from apollo_utils.service.exceptions import BadRequest, Conflict


class ComparedTracksLimitError(BadRequest):
    """
    Raised if user tries to add new track to comparison and there are no empty slots.
    """

    code = "compared_tracks_limit"


class DuplicateComparedTracks(Conflict):
    """
    Raised if user tries to add the same track to comparison twice.
    """

    code = "duplicate_compared_tracks"


class UnsupportedCacheMode(BadRequest):
    """Raised if user tries to set unsupported value as a cache mode."""

    code = "cache_mode_error"