public async Task <IActionResult> Create(AdminQuestionViewModel model)
{
if (ModelState.IsValid)
{
var question = new Question();
question.Title = model.Title;
question.Content = model.Content;
question.IsVisible = model.IsVisible;
question.Author = await _userManager.GetUserAsync(User);
question.PublicationDate = DateTime.Now;
question.Tags = new List <QuestionTag>();
// Add tags
if (!string.IsNullOrEmpty(model.Tags))
{
var tags = model.Tags.Split(',', StringSplitOptions.RemoveEmptyEntries);
if (tags.Any())
{
foreach (var tag in tags)
{
var dbTag = _context.Tags.FirstOrDefault(t => t.Name.ToLower() == tag.ToLower());
if (dbTag == null)
{
// Tag does not exist, create it
dbTag = new Tag();
dbTag.Name = tag;
_context.Tags.Add(dbTag);
}
var questionTag = new QuestionTag();
questionTag.Question = question;
questionTag.Tag = dbTag;
question.Tags.Add(questionTag);
}
}
}
_context.Add(question);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(model));
}
// GET: Admin/Questions/Edit/5
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var question = await _context.Questions.FindAsync(id);
if (question == null)
{
return(NotFound());
}
var model = new AdminQuestionViewModel();
model.Id = question.Id;
model.Title = question.Title;
model.Content = question.Content;
model.IsVisible = question.IsVisible;
model.Tags = question.GetTagsAsString();
return(View(model));
}
public async Task <IActionResult> Edit(int id, AdminQuestionViewModel model)
{
if (id != model.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
var DBQuestion = await _context.Questions.FindAsync(id);
DBQuestion.Title = model.Title;
DBQuestion.Content = model.Content;
DBQuestion.IsVisible = model.IsVisible;
// Add tags
DBQuestion.Tags.Clear();
if (!string.IsNullOrEmpty(model.Tags))
{
var tags = model.Tags.Split(',', StringSplitOptions.RemoveEmptyEntries);
if (tags.Any())
{
foreach (var tag in tags)
{
var dbTag = _context.Tags.FirstOrDefault(t => t.Name.ToLower() == tag.ToLower());
if (dbTag == null)
{
// Tag does not exist, create it
dbTag = new Tag();
dbTag.Name = tag;
_context.Tags.Add(dbTag);
}
var questionTag = new QuestionTag();
questionTag.Question = DBQuestion;
questionTag.Tag = dbTag;
DBQuestion.Tags.Add(questionTag);
}
}
}
_context.Update(DBQuestion);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!QuestionExists(model.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(model));
}
