public IEnumerable <QuizCategoryViewModel> ToQuizCategoriesViewModel(int?catId)
{
var categories = _quizCategorytService.GetAll();
var quizzes = _quizService.GetPublicQuizzes();
var cats = (from c in categories
orderby c.Name
select new QuizCategoryViewModel
{
Id = c.Id,
Name = c.Name,
IsSelected = catId.HasValue ? (c.Id == catId.Value) : false,
QuizCount = quizzes.Count(x => x.Category.Id == c.Id)
}).ToList();
cats.Insert(0, new QuizCategoryViewModel
{
Id = -1,
Name = "All",
IsSelected = catId.HasValue ? (-1 == catId.Value) : true,
QuizCount = cats.Sum(x => x.QuizCount)
});
return(cats);
}
public static IEnumerable <SelectListItem> GetCategoriesAsSelectList(this IQuizCategoryService repo)
{
var cats = repo.GetAll()
.Select(x =>
new SelectListItem
{
Value = x.Id.ToString(),
Text = x.Name
});
return(new SelectList(cats, "Value", "Text"));
}
public ActionResult Import(HttpPostedFileBase file)
{
if (file.ContentLength <= 0)
{
return(RedirectToAction("Index")); //todo: report error
}
var fileName = Path.GetFileName(file.FileName);
var path = Path.Combine(Server.MapPath("~/App_Data"), fileName);
file.SaveAs(path);
var quizzes = DataProvider.Import(path);
System.IO.File.Delete(path);
int successCount = 0, failCount = 0;
foreach (var quiz in quizzes)
{
if (!_quizService.GetAll().Any(x => x.Name == quiz.Name))
{
var cat = _quizCategoryService.GetAll().FirstOrDefault(x => x.Name == quiz.Category.Name);
if (cat != null)
{
quiz.Category = cat;
}
try
{
_quizService.Insert(quiz);
successCount++;
}
catch (Exception)
{
failCount++;
//ignore, probably bad format, or validation issue
}
}
}
ViewData["ImportStatus"] = string.Format("{0} quizzes imported, {1} quizzes were not imported", successCount,
failCount);
return(RedirectToAction("Index"));
}
public static QuizzesViewModel ToQuizzesViewModel(this IQueryable <Quiz> quizzes,
IQuestionService questions,
IQuizService quizService,
IQuizCategoryService categories,
int?catId)
{
var vm = new QuizzesViewModel();
vm.QuizCategories = categories.GetAll().ToQuizCategoriesViewModel(quizService.GetPublicQuizzes(), catId);
vm.Filter = QuizFilter.Newest;
vm.TopQuizzes = quizService.GetBy(QuizFilter.Rating, descending: true, count: 10).Select(x => new TopListItem()
{
Id = x.Id,
Name = x.Name
}).ToList();
vm.SelectedCategoryId = catId.HasValue ? catId.Value: -1;
vm.SearchPlaceHolder = vm.SelectedCategoryId > -1
? "Search in " + categories.Get(vm.SelectedCategoryId).Name
: "Search here";
const int pageSize = 10;
var quizCount = quizzes.Count();
if (quizCount <= pageSize)
{
vm.PageCount = 1;
}
else
{
vm.PageCount = (int)Math.Ceiling((double)quizCount / pageSize);
}
vm.Quizzes = quizzes.Take(pageSize).ToQuizViewModels();
return(vm);
}