public async Task <IActionResult> Details() { var user = await _userService.GetUser(User.Identity.Name); var viewModel = _mappingService.Map <User, AccountViewModel>(user); var participant = await _meetupService.Find(m => m.Participants.Select(x => x.Id).Contains(user.Id)); var owners = await _meetupService.Find(m => m.OwnerId == user.Id); viewModel.MeetupsId = participant.Select(x => x.Id); viewModel.OwnerMeetups = owners.Select(x => x.Id); return(Ok(viewModel)); }