public async Task <DataWithCount <ICollection <AvatarItem> > > PageItemsAsync( AvatarFilter filter) { VerifyManagementPermission(); filter.SiteId = GetCurrentSiteId(); return(new DataWithCount <ICollection <AvatarItem> > { Data = await _avatarItemRepository.PageAsync(filter), Count = await _avatarItemRepository.CountAsync(filter) }); }