public async Task <Suggestion> Handle(VoteToASuggestionCommand voteToASuggestionCommand, CancellationToken cancellationToken = default)
{
var validationContext = new VoteToASuggestionValidationContext(voteToASuggestionCommand, _repository);
_voteValidator.Validate(validationContext);
var suggestion = _repository.Get(voteToASuggestionCommand.SuggestionId);
var suggestionVote = _repository.GetUserVoteOrDefault(suggestion, voteToASuggestionCommand.UserId);
var suggestionVoteExists = suggestionVote != null;
if (suggestionVoteExists)
{
_repository.RemoveVote(suggestion, suggestionVote);
}
else
{
suggestionVote = _mapper.Map <SuggestionVote>(voteToASuggestionCommand);
_repository.AddVote(suggestion, suggestionVote);
}
await _dbContext.SaveChangesAsync();
return(suggestion);
}