/// <summary>
/// Deletes currently selected results
/// </summary>
private void DeleteResult()
{
var selectedItem = ListViewModel.SelectedItem();
if (selectedItem == null)
{
return;
}
var vm = new DecisionDialogViewModel()
{
Title = "Usuwanie rezultatu",
Message = "Czy chcesz usunąć ten rezultat?",
AcceptText = LocalizationResource.Yes,
CancelText = LocalizationResource.No,
};
DI.UI.ShowMessage(vm);
if (vm.UserResponse == false)
{
return;
}
try
{
// Try to delete the file
ResultFileWriter.DeleteFile(selectedItem);
}
catch (Exception ex)
{
// If an error occured, show info to the user
DI.UI.ShowMessage(new MessageBoxDialogViewModel
{
Title = LocalizationResource.DeletionError,
Message = "Nie udało się usunąć tego rezultatu." + "\n" +
LocalizationResource.ErrorContentSemicolon + ex.Message,
OkText = LocalizationResource.Ok
});
DI.Logger.Log("Unable to delete result from local folder, error message: " + ex.Message);
}
// Reload items
ListViewModel.LoadItems();
SetDefaults();
OnPropertyChanged(nameof(ItemsLoadedCount));
}
/// <summary>
/// Saves results to file
/// </summary>
/// <returns>True if operation was successful; otherwise, false</returns>
private bool TrySaveResultsToFile()
{
try
{
// Try to write the results to file
ResultFileWriter.WriteToFile(new ClientTestResults()
{
Answers = UserAnswers,
SessionIdentifier = SessionIdentifier,
Client = new TestResultsClientModel()
{
Name = mClientModel.Name,
LastName = mClientModel.LastName,
MachineName = mClientModel.MachineName,
Mark = UserMark,
PointsScored = UserScore,
QuestionsOrder = QuestionsOrder,
},
Test = CurrentTest,
});
DI.UI.ShowMessage(new MessageBoxDialogViewModel
{
Title = "Wyniki testu w pliku",
Message = "Wyniki testu zostały zapisane do pliku, ponieważ połączenie z serwerem zostało utracone.",
OkText = "Ok"
});
DI.Logger.Log($"Test results saved to file");
return(true);
}
catch (Exception ex)
{
DI.UI.ShowMessage(new MessageBoxDialogViewModel
{
Title = "Błąd zapisu",
Message = "Nie udało się zapisać ani wysłać wyników testu." +
"\nTreść błędu: " + ex.Message,
OkText = "Ok"
});
DI.Logger.Log($"Unable to save the results, error message: {ex.Message}");
return(false);
}
}
