public async Task <ActionResult> Index()
{
var currentUserId = User.Identity.GetUserId();
TriviaDashboardViewModel viewModel = new TriviaDashboardViewModel();
viewModel.NewQuizzes = await TriviaService.GetNewQuizzesAsync();
viewModel.DailyQuizzes = await TriviaService.GetDailyQuizzesAsync(5);
viewModel.TrendingQuizzes = await GetTrendingQuizzesAsync();
viewModel.PopularQuizzes = await GetPopularQuizzesAsync();
// unauthenticated users don't have any quizzes to track
if (User.Identity.IsAuthenticated)
{
viewModel.UnfinishedQuizzes = await TriviaService.GetUnfinishedQuizzesAsync(User.Identity.GetUserId());
}
// alters the viewmodel's list of quizzes to indicate if the quiz has already been completed by the currently logged in user
await SetQuizzesCompletedByCurrentUser(currentUserId, viewModel);
viewModel.RecentlyCompletedQuizzes = await TriviaService.GetUsersCompletedQuizzesAsync(currentUserId);
viewModel.QuizCategories = await TriviaService.GetQuizCategoriesAsync();
await SetNotificationsAsync();
return(View(viewModel));
}
/// <summary>
/// Alters the viewmodel's list of quizzes to indicate if the quiz has already been completed by the currently logged in user
/// </summary>
/// <param name="currentUserId"></param>
/// <param name="viewModel"></param>
/// <returns></returns>
private async Task SetQuizzesCompletedByCurrentUser(string currentUserId, TriviaDashboardViewModel viewModel)
{
var completedQuizzes = await TriviaService.GetCompletedQuizzesByUserAsync(currentUserId);
foreach (var quiz in viewModel.NewQuizzes)
{
if (completedQuizzes.Any(q => q.Key == quiz.Id))
{
quiz.IsComplete = true;
}
}
foreach (var quizCollection in viewModel.DailyQuizzes.Values)
{
foreach (var quiz in quizCollection)
{
if (completedQuizzes.Any(q => q.Key == quiz.Id))
{
quiz.IsComplete = true;
}
}
}
}
