private AnswerDetailViewModel ConstructAnswerDetailViewModel(Answer answer)
{
var question = _unitOfWork.QuestionRepository.Single(q => q.Id == answer.Question.Id, nameof(Question.Topics));
var answerCount = _unitOfWork.AnswerRepository.Count(a => a.QuestionId == question.Id);
var moreAnswers = _unitOfWork.AnswerRepository.Get(a => a.Id != answer.Id && a.QuestionId == question.Id,
includeProperties: nameof(Answer.AnswerLikes) + "," + nameof(Answer.Comments), take: 2)
.ToList();
// TODO: can we utilize ConstructQuestionDetailViewModel method in QuestionController?
var userId = User.Identity.GetUserId();
var existingAnswer = _unitOfWork.AnswerRepository.SingleOrDefault(
a => a.QuestionId == question.Id && a.AppUserId == userId);
answer.SetLikedByCurrentUser(userId);
moreAnswers.ForEach(ma => ma.SetLikedByCurrentUser(userId));
var questionDetailViewModel = new QuestionDetailViewModel
{
Question = question,
CanUserEditQuestion = question.CanUserModify(User),
UserAnswerId = existingAnswer?.Id ?? 0,
CanUserDeleteAnswerPanelAnswer = existingAnswer != null,
};
var viewModel = new AnswerDetailViewModel
{
Answer = answer,
MoreAnswers = moreAnswers,
QuestionDetailViewModel = questionDetailViewModel,
AnswerCount = answerCount
};
return(viewModel);
}
// Forms the response object needs to sent.
private async Task <AnswerDetailViewModel> GetAnswerDetailResponseReponseAsync(Answer answer)
{
var answerDetailViewModel = new AnswerDetailViewModel();
answerDetailViewModel.Id = answer.Id;
answerDetailViewModel.Answer = answer.AnswerText;
answerDetailViewModel.Votes = answer.Votes;
answerDetailViewModel.Author = answer.Author;
answerDetailViewModel.AuthorPoints = await this.usersRepository.GetPointsAsync(answer.Author);
answerDetailViewModel.CreatedAt = answer.CreatedAt;
answerDetailViewModel.UpdatedAt = answer.UpdatedAt;
answerDetailViewModel.IsAccepted = answer.IsAccepted;
answerDetailViewModel.SelfVote =
(await this.answerVoteRepository.FetchPreviousVote(answer.Id, this.currentUser))?.Vote;
answerDetailViewModel.SelfVoted =
await this.answerVoteRepository.HasVotedAsync(answer.Id, this.currentUser);
answerDetailViewModel.Comments = await this.commentsRepository.GetEntity()
.Where(x => x.AnswerId == answer.Id)
.Select(x => new CommentsViewModel
{
Id = x.Id,
Comment = x.Comment,
Author = x.Author,
CommentedAt = x.CreatedAt
}).ToPaginateAsync(0, 5);
return(answerDetailViewModel);
}