private void LoadTestDataButton_OnClick(object sender, RoutedEventArgs e)
{
Global.InputSlotList.AddRange(TestData.TestSlots);
NavigationService.Navigate(
Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
private void Browser_OnLoadCompleted(object sender, NavigationEventArgs e)
{
Browser.InvokeScript("execScript", "document.documentElement.style.overflow ='hidden'", "JavaScript");
RefreshButton.IsEnabled = true;
string currentUrl = Browser.Source.ToString();
//if (currentUrl == LoginPageUrl) return;
//if(currentUrl == LoginSuccessUrl)
//if(currentUrl == LoginFailedUrl) Browser.Navigate(LoginPageUrl);
if (currentUrl == LoginPageUrl || currentUrl == LoginFailedUrl || currentUrl == EndUrl)
{
_navigationCount = 0;
return;
}
if (currentUrl.Contains(CourseTimetablePreviewUrl) == false)
{
_currentPage = 1;
if (_browsingToCourseTimetablePreview == false)
{
if (_navigationCount < NavigationCountUpperLimit)
{
Browser.Navigate(CourseTimetablePreviewUrl);
_navigationCount++;
}
else
{
Browser.Navigate(LoginPageUrl);
Global.Snackbar.MessageQueue.Enqueue("No record found, please try again.");
}
}
return;
}
Browser.Visibility = Visibility.Hidden;
string plainText = GetPlainTextOfHtml(Browser);
var bg = CustomBackgroundWorker <string, List <Slot> > .RunAndShowLoadingScreen(
new SlotParser().Parse, plainText, "Loading slots . . .");
TryGetStartDateAndEndDate(plainText);
Global.InputSlotList.AddRange(bg.GetResult());
if (CanGoToPage(_currentPage + 1))
{
Browser.InvokeScript("changePage", _currentPage + 1);
_currentPage++;
}
else
{
Browser.Navigate(EndUrl);
NavigationService.Navigate(
Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
}
private void TryLoadAutoSavedData()
{
List <Slot> data = new UserSlotManager().GetAutoSavedData(_studentIdInput);
if (data == null)
{
return;
}
Global.Snackbar.MessageQueue.Enqueue($"Loading auto-saved data.");
Global.InputSlotList.Clear();
Global.InputSlotList.AddRange(data);
NavigationService.Navigate(
Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
private void CreateTimetableButton_Click(object sender, RoutedEventArgs e)
{
NavigationService.Navigate(Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
private async void Browser_OnLoadCompleted(object sender, NavigationEventArgs e)
{
KapchaBrowser.Navigate(_urlProvider.KaptchaUrl);
ResetButton.IsEnabled = true;
string currentUrl = Browser.Source.ToString();
if (currentUrl == _urlProvider.EndUrl)
{
return;
}
if (currentUrl.Contains(_urlProvider.TestServerUrl))
{
ExtractData();
}
else if (_urlProvider.IsLoginFailed(currentUrl))
{
DisplayLoginFailedMessage();
}
else if (_urlProvider.IsAtLoginPage(currentUrl))
{
AssertLoginPageIsLoadedProperly();
}
else if (!currentUrl.Contains(_urlProvider.CourseTimetablePreviewUrl))
{
NavigateToCourseTimeTablePreview();
}
else if (currentUrl.Contains(_urlProvider.CourseTimetablePreviewUrl))
{
ExtractData();
}
#region NestedFunctions
void AssertLoginPageIsLoadedProperly()
{
string html = GetHtml(Browser);
if (!html.Contains("Course Registration System"))
{
Browser.Navigate(_urlProvider.LoginPageUrl);
}
}
void DisplayLoginFailedMessage()
{
Global.Snackbar.MessageQueue.Enqueue(
"Login failed. Please make sure you entered the correct information.");
NavigationService.Refresh();
CaptchaBox.Text = "";
_navigationCount = 0;
}
void NavigateToCourseTimeTablePreview()
{
Global.CurrentUser = new UserInfo(_studentIdInput, _passwordInput);
new UserInfoManager().SaveData(Global.CurrentUser);
_currentPage = 1;
if (_browsingToCourseTimetablePreview)
{
return;
}
if (_navigationCount < NavigationCountUpperLimit)
{
Browser.Navigate(_urlProvider.CourseTimetablePreviewUrl);
_navigationCount++;
}
else
{
Browser.Navigate(_urlProvider.LoginPageUrl);
CaptchaBox.Text = "";
ResetButton_OnClick(null, null);
Global.Snackbar.MessageQueue.Enqueue($"No record found.");
TryLoadAutoSavedData();
}
}
async void ExtractData()
{
string html = GetHtml(Browser);
DisplayLoadingBar(true);
await Task.Run(() => {
if (Global.Toggles.SaveLoadedHtmlToggle.IsToggledOn)
{
SaveToFile(html);
}
Global.InputSlotList.AddRange(new HtmlSlotParser().Parse(html));
Global.LoadedHtml += html;
TryGetStartDateAndEndDate(html);
});
if (CanGoToPage(_currentPage + 1))
{
Browser.InvokeScript("changePage", _currentPage + 1);
_currentPage++;
}
else
{
DisplayLoadingBar(false);
if (Global.InputSlotList.Count == 0)
{
DialogBox.Show("No data available.", "", "OK");
ResetButton_OnClick(null, null);
return;
}
Browser.Navigate(_urlProvider.EndUrl);
new UserSlotManager().SaveSlotDataAsync(Global.CurrentUser.UserId, Global.LoadedHtml);
NavigationService.Navigate(
Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
#region NestedFunctions
bool CanGoToPage(int pageNumber)
{
dynamic doc = Browser.Document;
string htmlText = doc.documentElement.InnerHtml;
return(htmlText.Contains($"javascript:changePage(\'{pageNumber}\')"));
}
void TryGetStartDateAndEndDate(string input)
{
try {
var parser = new StartDateEndDateFinder(input);
Global.TimetableStartDate = parser.GetStartDate();
Global.TimetableEndDate = parser.GetEndDate();
}
catch { }
}
#endregion
}
#endregion
}
private void Browser_OnLoadCompleted(object sender, NavigationEventArgs e)
{
Browser.InvokeScript("execScript", "document.documentElement.style.overflow ='hidden'", "JavaScript");
RefreshButton.IsEnabled = true;
string currentUrl = Browser.Source.ToString();
if (currentUrl.Contains(TestServerUrl))
{
goto here;
}
if (currentUrl == LoginPageUrl || currentUrl == LoginFailedUrl)
{
_navigationCount = 0;
return;
}
if (currentUrl.Contains(CourseTimetablePreviewUrl) == false)
{
_currentPage = 1;
if (_browsingToCourseTimetablePreview == false)
{
if (_navigationCount < NavigationCountUpperLimit)
{
Browser.Navigate(CourseTimetablePreviewUrl);
_navigationCount++;
}
else
{
Browser.Navigate(LoginPageUrl);
Global.Snackbar.MessageQueue.Enqueue("No record found, please try again.");
}
}
return;
}
here:
string html = GetHtml(Browser);
if (Global.Toggles.SaveLoadedHtmlToggle.IsToggledOn)
{
SaveToFile(html);
}
var bg = CustomBackgroundWorker <string, List <Slot> > .RunAndShowLoadingScreen(
new HtmlSlotParser().Parse, html, "Loading slots . . .");
// TryGetStartDateAndEndDate(plainText);
Global.InputSlotList.AddRange(bg.GetResult());
if (CanGoToPage(_currentPage + 1))
{
Browser.InvokeScript("changePage", _currentPage + 1);
_currentPage++;
}
else
{
if (Global.InputSlotList.Count == 0)
{
DialogBox.Show("No data available.", "", "OK");
if (DialogBox.Result == DialogBox.ResultEnum.RightButtonClicked)
{
LoadTestDataButton_OnClick(null, null);
}
return;
}
NavigationService.Navigate(
Page_CreateTimetable.GetInstance(Global.Settings.SearchByConsideringWeekNumber,
Global.Settings.GeneralizeSlot));
}
}