private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogeService.ShowInfoDialog($"The language {SelectedProgrammingLanguage.Name} is already a favorite language for a friend it's cannot be deleted");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged;
_programmingLanguageRepository.Delete(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanged = _programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
public void RemoveProgrammingLanguage(int id)
{
var language = programmingLanguageRepository.GetById(id);
programmingLanguageRepository.Delete(language);
}