public async Task <IActionResult> Edit(int id, Lecture lecture)
{
if (!ModelState.IsValid)
{
var viewModel = new LectureFormViewModel {
lecture = lecture
};
return(View(viewModel));
}
if (id != lecture.Id)
{
return(RedirectToAction(nameof(Error), new { message = "Id mismatch" }));
}
try
{
await _serviceLecture.UpdateAsync(lecture);
return(RedirectToAction(nameof(Index)));
}
catch (NotFoundException e)
{
return(RedirectToAction(nameof(Error), new { message = e.Message }));
}
catch (DbConcurrencyException e)
{
return(RedirectToAction(nameof(Error), new { message = e.Message }));
}
}
public async Task <IActionResult> Create()
{
var professors = await _professorService.FindAllAsync();
var viewModel = new LectureFormViewModel {
Professors = professors
};
return(View(viewModel));
}
[ValidateAntiForgeryToken] //To prevent cross-site request forgery
public async Task <IActionResult> Create(Lecture lecture)
{
if (!ModelState.IsValid)
{
var viewModel = new LectureFormViewModel {
lecture = lecture
};
return(View(viewModel));
}
await _serviceLecture.InsertAsync(lecture);
return(RedirectToAction(nameof(Index)));
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(RedirectToAction(nameof(Error), new { message = "Id is null" }));
}
var obj = await _serviceLecture.FindByIdAsync(id.Value);
if (obj == null)
{
return(RedirectToAction(nameof(Error), new { message = "Id not found" }));
}
LectureFormViewModel view = new LectureFormViewModel {
lecture = obj
};
return(View(view));
}