public async Task <IActionResult> OnGetAsync(int Id, string BibleId)
{
IdentityUser user = await _userManager.GetUserAsync(User);
PBEUser = await QuizUser.GetOrAddPBEUserAsync(_context, user.Email); // Static method not requiring an instance
Template = await _context.PredefinedQuizzes.FindAsync(Id);
if (Template == null)
{
return(RedirectToPage("/error", new { errorMessage = "Thats Odd! We were unable to find this Quiz Template" }));
}
if (!PBEUser.IsValidPBEQuestionBuilder() || PBEUser != Template.QuizUser)
{
return(RedirectToPage("/error", new { errorMessage = "Sorry! You do not have sufficient rights to configure this Quiz Template" }));
}
this.BibleId = await Bible.GetValidPBEBibleIdAsync(_context, BibleId);
//Initialize Our Template
_context.Entry(Template).Collection(T => T.PredefinedQuizQuestions).Load();
Questions = Template.IntiQuestionListForAddEdit();
// Initialize Template Books
TemplateBooks = await Template.GetTemplateBooksAsync(_context, this.BibleId);
JSONBooks = JsonSerializer.Serialize(TemplateBooks);
// Build Select Lists
foreach (PredefinedQuizQuestion Question in Questions)
{
Question.AddChapterSelectList(TemplateBooks);
}
ViewData["BookSelectList"] = MinBook.GetMinBookSelectListFromList(TemplateBooks);
return(Page());
}
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see https://aka.ms/RazorPagesCRUD.
public async Task <IActionResult> OnPostAsync(int Id)
{
IdentityUser user = await _userManager.GetUserAsync(User);
PBEUser = await QuizUser.GetOrAddPBEUserAsync(_context, user.Email);
PredefinedQuiz TemplateToUpdate = await _context.PredefinedQuizzes.FindAsync(Id);
if (TemplateToUpdate == null)
{
return(RedirectToPage("/error", new { errorMessage = "Thats Odd! We were unable to find this Quiz Template" }));
}
if (!PBEUser.IsValidPBEQuestionBuilder() || PBEUser != TemplateToUpdate.QuizUser)
{
return(RedirectToPage("/error", new { errorMessage = "Sorry! You do not have sufficient rights to configure this Quiz Template" }));
}
if (TemplateToUpdate.QuizUser != PBEUser)
{
return(RedirectToPage("/error", new { errorMessage = "Sorry! Only a Template Owner may edit a Template" }));
}
this.BibleId = await Bible.GetValidPBEBibleIdAsync(_context, BibleId);
_context.Entry(TemplateToUpdate).Collection(T => T.PredefinedQuizQuestions).Load();
// We need a copy of the Questions list to compare to while the origonal is being updated.
List <PredefinedQuizQuestion> CompareQuestions = TemplateToUpdate.PredefinedQuizQuestions.ToList();
if (!ModelState.IsValid)
{
//Initialize Our Template Questions
Questions = TemplateToUpdate.IntiQuestionListForAddEdit();
// Initialize Template Books
TemplateBooks = await Template.GetTemplateBooksAsync(_context, this.BibleId);
JSONBooks = JsonSerializer.Serialize(TemplateBooks);
// Build Select Lists
foreach (PredefinedQuizQuestion Question in Questions)
{
Question.AddChapterSelectList(TemplateBooks);
}
ViewData["BookSelectList"] = MinBook.GetMinBookSelectListFromList(TemplateBooks);
return(Page());
}
_context.Attach(TemplateToUpdate);
TemplateToUpdate.Modified = DateTime.Now;
// Iterate through each of our Questions and make appropriate changes.
foreach (PredefinedQuizQuestion Question in Questions)
{
// See if this is one of our existing Question objects.
bool ExistingQuestion = true;
PredefinedQuizQuestion OriginalQuestion = new PredefinedQuizQuestion();
try
{
OriginalQuestion = CompareQuestions.Where(Q => Q.QuestionNumber == Question.QuestionNumber).Single();
}
catch
{
ExistingQuestion = false;
// New Question Scenario let's add the Question.
if (Question.BookNumber != 0)
{
PredefinedQuizQuestion QuestionToAdd = new PredefinedQuizQuestion();
QuestionToAdd.PredefinedQuiz = TemplateToUpdate;
QuestionToAdd.QuestionNumber = Question.QuestionNumber;
QuestionToAdd.BookNumber = Question.BookNumber;
QuestionToAdd.Chapter = Question.Chapter;
_context.PredefinedQuizQuestions.Add(QuestionToAdd);
}
}
if (ExistingQuestion)
{
// Do we need to update OriginalQuestion?
if (OriginalQuestion.BookNumber != Question.BookNumber ||
OriginalQuestion.Chapter != Question.Chapter)
{
if (Question.BookNumber != 0)
{
// this is the update scenario
_context.Attach(OriginalQuestion);
OriginalQuestion.BookNumber = Question.BookNumber;
OriginalQuestion.Chapter = Question.Chapter;
}
else
{
// this is the delete scenario
_context.PredefinedQuizQuestions.Remove(OriginalQuestion);
}
}
}
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Quizzes", "", new { BibleId = this.BibleId, Message = String.Format("Quiz Template {0} configured successfuly.", TemplateToUpdate.QuizName) }, "Templates"));
}