public IActionResult CreateDeleteSuggestion(DeleteRequestViewModel vm) { if (!ModelState.IsValid) { return(View(vm)); } if (vm.ReasonId == 5 && string.IsNullOrEmpty(vm.AdditionalComment)) { ModelState.AddModelError("AdditionalComment", "Wybranie przyczyny \"Inne\" wymaga podania dodatkowego wyjaĆnienia"); return(View(vm)); } var deleter = _userService.FindByIdentityUserId(User.FindFirstValue(ClaimTypes.NameIdentifier)); try { _service.CreateDeleteRequest(deleter, vm.MaterialId, vm.ReasonId, vm.AdditionalComment); } catch (ArgumentNullException) { return(RedirectToAction("ResourceNotFound", "Error", new { error = "materiaĆ o podanym Id nie istnieje" })); } return(RedirectToAction("Material", new { materialId = vm.MaterialId })); }