public async Task <IEnumerable <KudosPieChartSliceViewModel> > KudosPieChartData(string userId = null)
{
userId ??= User.Identity.GetUserId();
var pieChartDto = await _kudosService.GetKudosPieChartDataAsync(GetUserAndOrganization().OrganizationId, userId);
var result = _mapper.Map <IEnumerable <KudosPieChartSliceDto>, IEnumerable <KudosPieChartSliceViewModel> >(pieChartDto);
return(result);
}