/// <summary>
/// Navigated to UserControl event
/// </summary>
public override async void OnNavigatedTo(NavigationContext navigationContext)
{
if (!(await TryGetTestResultsList()))
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryGetTestResultsList();
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
/// <summary>
/// navigated to UserControl event
/// </summary>
/// <param name="navigationContext">key=value vars</param>
public override async void OnNavigatedTo(NavigationContext navigationContext)
{
int editTestId = 0;
string editTestIdString;
if (navigationContext.Parameters.Count != 0)
{
editTestIdString = navigationContext.Parameters[nameof(Test.Id)].ToString();
if (!string.IsNullOrWhiteSpace(editTestIdString))
{
int.TryParse(editTestIdString, out editTestId);
}
if (editTestId > 0)
{
if (!await TryGetTestResultsList(editTestId))
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryGetTestResultsList(editTestId);
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
}
}
/// <summary>
/// delete test button event
/// </summary>
/// <param name="testUI">test</param>
/// <returns>task</returns>
public async Task DeleteTestButton(object testUI)
{
if (testUI != null)
{
var test = (testUI as Test);
if (!(await TryDeleteTest(test)))
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryDeleteTest(test);
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
}
/// <summary>
/// Navigated to UserControl event
/// </summary>
/// <param name="navigationContext">key=value vars</param>
public override async void OnNavigatedTo(NavigationContext navigationContext)
{
// can be implemented in more elegant way, create some local storage service and hangle if user logged in or not
string TestIdString = navigationContext.Parameters["TestId"].ToString();
if (int.TryParse(TestIdString, out int testId))
{
if (!await TryGetTest(testId))
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryGetTest(testId);
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
}
/// <summary>
/// Navigated to UserControl event
/// </summary>
/// <param name="navigationContext">key=value vars</param>
public override async void OnNavigatedTo(NavigationContext navigationContext)
{
TestResult = null;
string TestResultIdString = navigationContext.Parameters["TestResultId"].ToString();
if (!string.IsNullOrWhiteSpace(TestResultIdString) && int.TryParse(TestResultIdString, out int testId))
{
if (!await TryGetTestResult(testId))
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryGetTestResult(testId);
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
}
/// <summary>
/// Create test button event, validate test
/// </summary>
/// <returns>Task</returns>
public async Task CreateTestButton()
{
if (Test.Attempts == 0)
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("AttemptCountError"));
return;
}
if (string.IsNullOrWhiteSpace(Test.Name))
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TestNameError"));
return;
}
if (Test.Questions.Count == 0)
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("QuestionCountError"));
return;
}
foreach (var question in Test.Questions)
{
if (string.IsNullOrWhiteSpace(question.Question))
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("QuestionNameEmpty"));
return;
}
if (question.Answers.Count < 2)
{
MessageBox.Show(string.Format(LocalizationService.GetLocalizedValue <string>("AnswerCountError"), question.Question));
return;
}
int count = 0;
foreach (var answer in question.Answers)
{
if (string.IsNullOrWhiteSpace(answer.Answer))
{
MessageBox.Show(string.Format(LocalizationService.GetLocalizedValue <string>("AnswerNameError"), question.Question));
return;
}
if (answer.IsRight)
{
count++;
}
}
if (count == 0)
{
MessageBox.Show(string.Format(LocalizationService.GetLocalizedValue <string>("RightAnswerCountError"), question.Question));
return;
}
}
if (IsTestEditing)
{
if (await TrySendTest())
{
}
else
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TrySendTest();
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
else
{
if (await TryUpdateTest())
{
}
else
{
if (await _tokenHandler.TryRefreshTokenAsync())
{
await TryUpdateTest();
}
else
{
MessageBox.Show(LocalizationService.GetLocalizedValue <string>("TokenExpired"));
RegionManager.RequestNavigate(StaticProperties.ContentRegion, "AuthorizationWindow");
}
}
}
}
