public async Task <IHttpActionResult> GetArtifactsInCollectionAsync(int id, [FromUri] Pagination pagination) { pagination.Validate(true); var userId = Session.UserId; pagination = pagination ?? new Pagination(); pagination.Offset = pagination.Offset ?? DefaultPaginationOffset; pagination.Limit = pagination.Limit ?? await _artifactListService.GetPaginationLimitAsync(id, userId) ?? DefaultPaginationLimit; var artifacts = await _collectionsService.GetArtifactsInCollectionAsync(id, pagination, userId); artifacts.Pagination = pagination; await _artifactListService.SavePaginationLimitAsync(id, pagination.Limit, userId); return(Ok(artifacts)); }