protected async Task ExecuteLoadQuestionsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Questions.Clear();
object responce = await QuestionsService.DoQuestionsGetRequest(LessonId);
if (responce is ErrorMessage)
{
ErrorMessage error = responce as ErrorMessage;
Debug.WriteLine(error.ErrorCode + " " + error.ErrorDescription);
}
else
{
var questions = responce as IEnumerable <Question>;
foreach (var question in questions)
{
Questions.Add(question);
}
}
MessagingCenter.Send <QuestionsListViewModel>(this, "QuestionsLoaded");
}
catch (Exception ex)
{
Debug.WriteLine("[!] ExecuteLoadQuestionsCommand --- " + ex);
}
finally
{
IsBusy = false;
}
}
