public async Task <ActionResult> Index()
{
var viewModel = new QuoteAndAuthorAnswersDTO();
QuoteDTO randomQuote = await this.quotesService.GetRandomQuote();
viewModel.Quote = randomQuote;
var authorAnswers = new List <string>();
viewModel.QuizModeType = await this.modesService.GetSelectedMode();
if (viewModel.QuizModeType == QuizModeType.Binary)
{
var randomAuthor = await this.authorsService.GetRandomAuthor();
authorAnswers.Add(randomAuthor.Name);
}
else
{
while (authorAnswers.Count < GlobalConstants.MultipleChoiceModeDefaultAuthorsCount)
{
var randomAuthor = await this.authorsService.GetRandomAuthor();
if (authorAnswers.Contains(randomAuthor.Name))
{
continue;
}
authorAnswers.Add(randomAuthor.Name);
}
if (!authorAnswers.Contains(randomQuote.Author))
{
int randomPosition =
StaticRandomizer.RandomNumber(0, GlobalConstants.MultipleChoiceModeDefaultAuthorsCount);
authorAnswers[randomPosition] = randomQuote.Author;
}
}
viewModel.AuthorAnswers = authorAnswers;
return(this.View(viewModel));
}
public async Task <AuthorDTO> GetRandomAuthor()
{
int authorsCount = this.authorsRepository.GetAll().Count();
if (authorsCount == 0)
{
throw new UnpopulatedDbException(
"No authors in the database. Please populate db with authors first.");
}
int randomAuthorId = StaticRandomizer.RandomNumber(1, authorsCount + 1);
var randomAuthor = await this.authorsRepository
.GetAll()
.Where(x => x.Id == randomAuthorId)
.Select(AuthorDTO.MapToDTO)
.FirstOrDefaultAsync();
return(randomAuthor);
}
public async Task <QuoteDTO> GetRandomQuote()
{
int quotesCount = this.quotesRepository.GetAll().Count();
if (quotesCount == 0)
{
throw new UnpopulatedDbException(
"No quotes in the database. Please populate db with quotes first.");
}
int randomQuoteId = StaticRandomizer.RandomNumber(1, quotesCount + 1);
var randomQuote = await this.quotesRepository
.GetAll()
.Include(x => x.Author)
.Where(x => x.Id == randomQuoteId)
.Select(QuoteDTO.MapToDTO)
.FirstOrDefaultAsync();
return(randomQuote);
}
