public ActionResult EditNewNameChange(OperationNameChangeViewModel vm)
{
if (ModelState.IsValid)
{
this.SaveOperationNameChangeViewModel(vm);
return(RedirectToAction("Details", new { id = vm.CurrentOperationId }));
}
return(EditNewNameChange(vm.CurrentOperationId));
}
public ActionResult EditNewNameChange(int id)
{
Operation op = this.orgTasks.GetOperation(id);
if (op != null)
{
ViewBag.CurrentOperation = op;
OperationNameChangeViewModel vm = new OperationNameChangeViewModel();
vm.CurrentOperationId = op.Id;
vm.OldOperationId = op.Id;
vm.NewOperationId = op.NextOperation.Id;
return(View(vm));
}
return(new HttpNotFoundResult());
}
protected void SaveOperationNameChangeViewModel(OperationNameChangeViewModel vm)
{
Operation oldOp = vm.OldOperationId.HasValue ? this.orgTasks.GetOperation(vm.OldOperationId.Value) : null;
Operation newOp = vm.NewOperationId.HasValue ? this.orgTasks.GetOperation(vm.NewOperationId.Value) : null;
if (oldOp != null)
{
oldOp.NextOperation = newOp;
oldOp = this.orgTasks.SaveOperation(oldOp);
}
if (newOp != null)
{
newOp.FormerOperations.Clear();
newOp = this.orgTasks.SaveOperation(newOp);
}
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
if (value != null)
{
OperationNameChangeViewModel vm = (OperationNameChangeViewModel)value;
// one of the operations must be the current one
if (vm.CurrentOperationId != vm.OldOperationId && vm.CurrentOperationId != vm.NewOperationId)
{
return(new ValidationResult("Either the former or new operation must be the current one."));
}
// operations must not be the same
if (vm.OldOperationId.HasValue && vm.OldOperationId == vm.NewOperationId)
{
return(new ValidationResult("Former and new operations can not be the same."));
}
}
return(ValidationResult.Success);
}