public async Task <PersistedGrantsDto> GetPersistedGrantsByUser(string subjectId, int page = 1, int pageSize = 10) { var exists = await _persistedGrantRepository.ExistsPersistedGrantsAsync(subjectId); if (!exists) { throw new UserFriendlyErrorPageException(string.Format(_persistedGrantServiceResources.PersistedGrantWithSubjectIdDoesNotExist().Description, subjectId), _persistedGrantServiceResources.PersistedGrantWithSubjectIdDoesNotExist().Description); } var pagedList = await _persistedGrantRepository.GetPersistedGrantsByUser(subjectId, page, pageSize); var persistedGrantsDto = pagedList.ToModel(); return(persistedGrantsDto); }