public OperationResultVo PollVote(Guid currentUserId, Guid pollOptionId)
{
try
{
int pointsEarned = 0;
Poll poll = pollDomainService.GetPollByOptionId(pollOptionId);
if (poll == null)
{
return(new OperationResultVo("Unable to identify the poll you are voting for."));
}
bool alreadyVoted = poll.Votes.Any(x => x.PollOptionId == pollOptionId && x.UserId == currentUserId);
if (alreadyVoted)
{
return(new OperationResultVo("You already voted on this option."));
}
IEnumerable <PollVote> userVotesOnThisPoll = poll.Votes.Where(x => x.UserId == currentUserId);
if (poll.MultipleChoice || !userVotesOnThisPoll.Any())
{
pollDomainService.AddVote(currentUserId, poll.Id, pollOptionId);
}
else
{
PollVote oldVote = userVotesOnThisPoll.FirstOrDefault();
if (oldVote != null)
{
pollDomainService.ReplaceVote(currentUserId, poll.Id, oldVote.PollOptionId, pollOptionId);
}
}
if (!userVotesOnThisPoll.Any())
{
pointsEarned = gamificationDomainService.ProcessAction(currentUserId, PlatformAction.PollVote);
}
unitOfWork.Commit();
PollResultsViewModel resultVm = CalculateNewResult(poll);
return(new OperationResultVo <PollResultsViewModel>(resultVm, pointsEarned));
}
catch (Exception ex)
{
return(new OperationResultVo(ex.Message));
}
}
