private async void StudyAction(string studyMode)
{
if (FlashCardSet.FlashcardCollection.Count == 0)
{
await new MessageDialog("You can't study an empty flashcard set! Add some cards to study.").ShowAsync();
return;
}
bool containsStarredCard = false;
foreach (IndividualCardModel individualCard in FlashCardSet.FlashcardCollection)
{
if (individualCard.IsStarred)
{
containsStarredCard = true;
break;
}
}
if (!containsStarredCard)
{
await new MessageDialog("There are no starred cards in this set. Star some cards to study them, and leave any cards you don't want to study yet unstarred.").ShowAsync();
return;
}
string studyPage = null;
string studyView = null;
if (studyMode == "BasicStudyMode")
{
studyPage = "BasicStudyPage";
studyView = "StudyView";
}
else if (studyMode == "FillBlankStudyMode")
{
studyPage = "FillBlankStudyPage";
studyView = "FillBlankStudyView";
}
else if (studyMode == "MultipleChoiceStudyMode")
{
studyPage = "MultipleChoiceStudyPage";
studyView = "MultipleChoiceStudyView";
}
else
{
return;
}
prNavigationService.NavigateTo(studyPage);
Messenger.Default.Send(FlashCardSet, studyView);
FlashCardSet.RegisterNewReviewSession();
DataAccess.EditCardSetRegisterNewReviewSession_UWP(FlashCardSet);
}
public async Task <IActionResult> AddFlashCardSet([FromBody] FlashCardPayload payload)
{
string userId = _usermanager.GetUserId(User);
if (payload.name == "")
{
return(new JsonResult(new { success = false, msg = "FlashCard name cannot be empty!" }));
}
foreach (FlashCard fc in payload.flashCards)
{
if (fc.Question == "" || fc.Answer == "")
{
return(new JsonResult(new { success = false, msg = "All flash card questions and answers must be filled!" }));
}
}
try
{
FlashCardSet NewFlashCardSet = new FlashCardSet()
{
CardGroupID = new Guid(),
Name = payload.name,
FlashCards = payload.flashCards,
Description = payload.description,
UserId = userId
};
_context.Add(NewFlashCardSet);
await _context.SaveChangesAsync();
return(new JsonResult(new { success = true }));
}
catch
{
return(new JsonResult(new { success = false }));
}
}
private async void ImportSetFromFileAction()
{
FileOpenPicker openPicker = new FileOpenPicker();
openPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
openPicker.FileTypeFilter.Add(".xlsx");
openPicker.FileTypeFilter.Add(".xls");
openPicker.FileTypeFilter.Add(".docx");
openPicker.FileTypeFilter.Add(".doc");
StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
try {
CancellationTokenSource cancelSource = new CancellationTokenSource();
Task <ContentDialogResult> loadingScreenTask = new LoadingDialog().ShowAsync().AsTask(cancelSource.Token);
Task <CardSetModel> importingTask = ImportFlashcardService.ImportAddToExistingSet(file, cancelSource.Token, FlashCardSet.Clone());
Task firstToFinish = await Task.WhenAny(loadingScreenTask, importingTask);
cancelSource.Cancel();
if (firstToFinish == importingTask)
{
CardSetModel updatedCardSetModel = await importingTask;
prNavigationService.NavigateTo("EditSetPage");
Messenger.Default.Send(new Tuple <CardSetModel, CardSetModel>(FlashCardSet, updatedCardSetModel), "EditSetView");
}
} catch (Exception ex) {
await new MessageDialog(ex.Message).ShowAsync();
}
}
}
