async Task HandleChangeName(ChangeNameEvent <TModel> evt)
{
TModel template = evt.Object;
string newName = evt.NewName;
if (String.IsNullOrEmpty(newName))
{
App.Current.Dialogs.ErrorMessage(Catalog.GetString("The name is empty."));
return;
}
if (template.Name == newName)
{
return;
}
if (Provider.Exists(newName))
{
App.Current.Dialogs.ErrorMessage(AlreadyExistsText, this);
}
else
{
template.Name = newName;
Provider.Save(template);
evt.ReturnValue = true;
}
await AsyncHelpers.Return();
}
public async Task <IActionResult> ChangeEventName(int eventId, [FromBody] ChangeNameEvent command) => Json(await _eventService.ChangeNameEventAsync(eventId, command.NewName));
