public async Task <InGameQuote?> GetQuoteForUserAsync(int userId, bool withMultipleChoices = true)
{
InGameQuote?gameQuote = null;
var quotesWithAuthorIds = await _quotesRepo.GetIdsAndAuthorsForUserAsync(userId, new DateTime(DateTime.Now.Ticks - _maxedAllowedIntervalForQuote));
if (quotesWithAuthorIds.Count == 0)
{
return(gameQuote);
}
var authorNames = await _authorsRepo.GetAuthorsWithNames();
var random = new Random();
gameQuote = new InGameQuote
{
Id = quotesWithAuthorIds.ElementAt(random.Next(0, quotesWithAuthorIds.Count)).Key
};
await AddRandomAnswers(gameQuote);
gameQuote.Answers.Shuffle();
return(gameQuote);
async Task AddRandomAnswers(InGameQuote quote)
{
var dbQuote = withMultipleChoices
? await _quotesRepo.GetDetailedAsync(quote.Id)
: await _quotesRepo.GetAsync(quote.Id);
quote.Text = dbQuote.Text;
if (!withMultipleChoices)
{
var ans = new InGameAnswer();
(ans.AuthorId, ans.AuthorName) = (random.Next(0, 2) == 1
? (quotesWithAuthorIds[quote.Id], authorNames[quotesWithAuthorIds[quote.Id]])
: PickAnyAuthorExcept(quotesWithAuthorIds[quote.Id]));
quote.Answers.Add(ans);
}
else
{
quote.Answers.AddRange(dbQuote.QuoteAnswers.ToInGameAnswers());
var authorIds = quote.Answers.Select(ans => ans.AuthorId).ToList();
//todo it may loop forever
//if this question has not multiple answers
while (quote.AnswersCount != 3)
{
var ans = new InGameAnswer();
(ans.AuthorId, ans.AuthorName) = PickAnyAuthorExcept(authorIds.ToArray());
authorIds.Add(ans.AuthorId);
quote.Answers.Add(ans);
}
}
}
(int, string) PickAnyAuthorExcept(params int[] authorIds)
{
int authId;
do
{
authId = authorNames.ElementAt(random.Next(0, authorNames.Count)).Key;
} while (authorIds.Contains(authId));
return(authId, authorNames[authId]);