public async Task <ActionResult> Update(int id, CreateOrUpdateTrainerRequest request)
{
try {
await _manager.UpdateTrainer(id, request);
return(RedirectToAction(nameof(ShowTrainers)));
}
catch (ArgumentNullException) {
return(RedirectToAction("ErrorPage", nameof(Main), new { message = "Error: can not update trainer", call = nameof(Trainer) }));
}
catch (DbUpdateException) {
return(RedirectToAction("ErrorPage", nameof(Main), new { message = "Error: invalid input", call = nameof(Trainer) }));
}
}
public async Task <ActionResult> Create(CreateOrUpdateTrainerRequest request)
{
try {
await _manager.AddTrainer(request);
return(RedirectToAction(nameof(ShowTrainers)));
}
catch (ArgumentNullException) {
return(RedirectToAction("ErrorPage", nameof(Main), new { message = "Error: can not add new trainer", call = nameof(Trainer) }));
}
catch (DbUpdateException) {
return(RedirectToAction("ErrorPage", nameof(Main), new { message = "Error: this employee alredy exists", call = nameof(Trainer) }));
}
}
