// GET: Instructors/Delete/5
public async Task <IActionResult> Delete(int?id, [FromServices] IInstructorService service)
{
if (!id.HasValue)
{
return(NotFound());
}
var hasPreviousError = TempData["HasError"] != null && Convert.ToBoolean(TempData["HasError"]);
var message = Convert.ToString(TempData["Message"]);
var instructor = await service.GetInstructorByIdForDetailAsync(id.Value);
if (instructor == null)
{
// deleted by another user in previous delete request
if (hasPreviousError)
{
TempData["Message"] = message;
TempData["HasError"] = hasPreviousError;
return(RedirectToAction(nameof(Index)));
}
return(NotFound()); // new delete request
}
return(View($"{_viewFolder}Delete.cshtml", instructor));
}
// GET: Instructors/Details/5
public async Task <IActionResult> Details(int?id, [FromServices] IInstructorService service)
{
if (!id.HasValue)
{
return(NotFound());
}
var instructor = await service.GetInstructorByIdForDetailAsync(id.Value);
if (instructor == null)
{
return(NotFound());
}
return(View($"{_viewFolder}Details.cshtml", instructor));
}