public async Task <IEnumerable <EpisodeCharacterDTO> > GetAllEpisodesCharacters(IEnumerable <int> characterIds) { return(await _episodeRepository.GetAllEpisodesCharacters() .Where(x => characterIds.Contains(x.CharacterId)) .Select(x => new EpisodeCharacterDTO(x.EpiosdeId, x.CharacterId)) .ToListAsync() .ConfigureAwait(false)); }