private async void Button_Start(object sender, EventArgs e)
{
var result = await DisplayAlert("Викторина", "Вы уверены, что хотите начать?", "Да", "Нет");
if (result)
{
var questions = viewModel.GetQuestionsOnCategory(quiz.Category);
QuizStart quizStartPage = new QuizStart(questions, quiz);
quizStartPage.BindingContext = quiz;
await Navigation.PushAsync(quizStartPage);
}
}
//have the id be optional so the event can be logged even in there is unknown information
public static void QuizStart(string quizid = "")
{
if (sessionMetricList == null)
{
sessionMetricList = new List <MetricEvent>();
}
if (answeredQuestions == null)
{
answeredQuestions = new List <AnswerQuizQuestion>();
}
else
{
//clear any questions from a previous quiz
answeredQuestions.Clear();
}
MetricEvent newEvent = new MetricEvent();
//newEvent.SetEventInfo("FFFFFFFFF", user, "12ss", null);
newEvent.SetEventInfo(uuid, user, sessionID, null);
QuizStart metricData = new QuizStart(quizid);
newEvent.Timestamp(DateTime.UtcNow);
newEvent.Data(metricData);
//Keep a tally of the events in a session in the case of time race conditions to still know which event occured first
newEvent.SessionIndex(sessionMetricList.Count);
//add it to the list of events this session
sessionMetricList.Add(newEvent);
//set the last action to have the duration easily accesible for the event end
lastActionTime = newEvent.Timestamp();
//TODO: attempt to upload to database
//if fail then save
APIManager.SubmitMetrics((new MetricEvent[1] {
newEvent
}), (res) => HandleResponse(res));
sessioncount++;
}
//void Start()
//{
// //Save();
// //Load();
// if (Input.GetKeyDown(KeyCode.Y)) { Save(); }
//}
public static void Save()
{
Debug.Log("Delete me: Placeholder test save");
// Check for events that have not been uploaded and add them to a new list to save locally
List <MetricEvent> eventsToSave = new List <MetricEvent>();
MetricEvent newEvent = new MetricEvent();
newEvent.SetEventInfo("0", "a", "0001", "0a");
QuizStart metricData = new QuizStart("quiz0");
newEvent.Timestamp(DateTime.Now);
newEvent.Data(metricData);
eventsToSave.Add(newEvent);
Save(eventsToSave);
// Save the data to disk.
//string filepath = Application.persistentDataPath + "/save.dat";
//using (FileStream file = File.Create(filepath))
//{
// new BinaryFormatter().Serialize(file, eventsToSave);
//}
}
