// GET: Quizzes/Details/5
public async Task <IActionResult> Details(int?id)
{
if (!id.HasValue)
{
return(BadRequest(Constants.ErrorMessages.BadRequest));
}
var quiz = await _quizRepository.GetById(id);
if (quiz == null)
{
return(NotFound(Constants.ErrorMessages.NotFound));
}
var questions = await _questionRepository.GetByQuizId(id);
if (questions == null)
{
return(NotFound(Constants.ErrorMessages.NotFoundQuestion));
}
var model = new DetailsQuizViewModel
{
Quiz = quiz,
Questions = questions,
};
return(View(model));
}
public IActionResult Details(int id)
{
if (id <= 0)
{
return(this.NotFound());
}
DetailsQuizViewModel model = this.quizzesService.GetQuizWithQuestionsAndAnswersById(id);
return(this.View(model));
}
public IActionResult ExportQuizQuestions(int id)
{
if (id <= 0)
{
return(this.NotFound());
}
DetailsQuizViewModel model = this.quizzesService.GetQuizWithQuestionsAndAnswersById(id);
MemoryStream stream = this.exportService.ExportQuizQuestions(model);
//Download Word document in the browser
return(this.File(stream, "application/msword", $"{model.Title}.docx"));
}
public DetailsQuizViewModel GetQuizWithQuestionsAndAnswersById(int id)
{
DetailsQuizViewModel model = this.quizisRepository
.AllAsNoTracking()
.Where(x => x.Id == id)
.To <DetailsQuizViewModel>()
.FirstOrDefault(x => x.Id == id);
model.Questions = this.questionsService.GetQuestionsByQuizId <QuestionQuizViewModel>(id);
foreach (var question in model.Questions)
{
question.Answers = this.answersService.GetQuestionAnswersById <AnswerViewModel>(question.Id);
}
return(model);
}
public MemoryStream ExportQuizQuestions(DetailsQuizViewModel model)
{
WordDocument document = new WordDocument();
//Adds new section to the document
IWSection section = document.AddSection();
IWParagraph paragraph = section.AddParagraph();
paragraph.ApplyStyle(BuiltinStyle.Heading1);
paragraph.ParagraphFormat.HorizontalAlignment = HorizontalAlignment.Center;
paragraph.AppendText($"{model.CategoryName} - {model.Title}");
foreach (var question in model.Questions)
{
paragraph = section.AddParagraph();
//Applies default numbered list style
paragraph.ListFormat.ApplyDefNumberedStyle();
//Adds text to the paragraph
paragraph.AppendText($"{question.Value}");
//Continues the list defined
paragraph.ListFormat.ContinueListNumbering();
paragraph = section.AddParagraph();
paragraph.ListFormat.IncreaseIndentLevel();
foreach (var answer in question.Answers)
{
paragraph.AppendText($"{answer.Value}");
//Continues the list defined
paragraph.ListFormat.ContinueListNumbering();
paragraph = section.AddParagraph();
}
paragraph.ListFormat.DecreaseIndentLevel();
}
//Saves the Word document to MemoryStream
MemoryStream stream = new MemoryStream();
document.Save(stream, FormatType.Docx);
stream.Position = 0;
//Download Word document in the browser
return(stream);
}
