private void StopActualLesson()
{
StartStopButtonText = "Start";
ShowLessonPanel = false;
ShowResultPanel = false;
IsLessonRunning = false;
LessonDispatcherTimer.Stop();
LessonFinishedText = "Finished in " + TimeElapsed;
}
private void StartActualLesson()
{
StartStopButtonText = "Stop";
ShowLessonPanel = true;
ShowResultPanel = true;
IsLessonRunning = true;
LessonStartingTime = DateTime.Now;
LessonDispatcherTimer.Start();
using (var db = Database.Instance.GetConnection())
{
LessonWords.Clear();
LessonWordsAll.Clear();
CurrentUserLessonHistory.Clear();
foreach (Word w in db.Table <Word>().Where(w => w.LessonId == CurrentLesson.Id))
{
LessonWords.Add(w);
LessonWordsAll.Add(w);
var fetchedHistory = db.Table <History>().Where(h => h.UserId == CurrentUser.Id && h.WordId == w.Id);
History wordHistory = null;
if (fetchedHistory.Count() == 0)
{
wordHistory = new History()
{
UserId = CurrentUser.Id, WordId = w.Id
};
}
else
{
wordHistory = fetchedHistory.First();
}
CurrentUserLessonHistory[w] = wordHistory;
}
}
PrepareWord();
CorrectAnswers = 0;
SkippedAnswers = 0;
WrongAnswers = 0;
}
