public async Task <GetTopicDetailsModel> Handle(GetTopicByIdQuery request, CancellationToken cancellationToken)
{
var topic = _topicsRepository.GetById(request.Id);
if (topic == null)
{
throw new ArgumentException($"Topic with id {request.Id} doesn't exist");
}
var options = _optionsRepository.GetOptionsForTopic(topic.Id).ToList();
var pickOptionsModel = _mapper.Map <IEnumerable <PickOptionModel> >(options);
var data = new Dictionary <string, int>();
foreach (var option in options)
{
var countOfVotes = _votesRepository.GetCountOfVotesForOption(option.Id);
data.Add(option.Name, countOfVotes);
}
var hadUserVote = _votesRepository.HadUserVote(topic.Id, request.UserId);
var lastFiveVotes = _votesRepository.LastFiveVotesForTopic(topic.Id).ToList();
var userVotedModels = new List <UserVotedModel>();
foreach (var vote in lastFiveVotes)
{
var user = await _userManager.FindByIdAsync(vote.UserId);
userVotedModels.Add(new UserVotedModel
{
Id = user.Id,
Username = user.UserName,
VotedAt = vote.CreatedAt
});
}
var result = new GetTopicDetailsModel
{
Title = topic.Title,
Id = topic.Id,
SerializedData = JsonConvert.SerializeObject(data),
HadUserVote = hadUserVote,
PickOptionModels = pickOptionsModel,
UsersVoted = userVotedModels
};
return(result);
}