public CanvasImageDownloadViewModel(List<ServiceSheetViewModel> serviceVMs, CanvasUserViewModel canvasUserEntered)
{
AllServices = serviceVMs;
CanvasUser = canvasUserEntered;
setMaxMinProgressBar();
BackgroundWorker worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
worker.DoWork += worker_DoWork;
worker.ProgressChanged += worker_ProgressChanged;
worker.RunWorkerCompleted += worker_RunWorkerCompleted;
worker.RunWorkerAsync();
}
public static ImageSource downloadImage(string downloadUrl, CanvasUserViewModel currentUser)
{
string canvasUrl = "https://www.gocanvas.com/apiv2/images.xml?image_id=" + downloadUrl + "&username="******"&password="******""))
{
return null;
}
MemoryStream ms = new MemoryStream(downloadedData);
BitmapImage bmImage = new BitmapImage();
bmImage.BeginInit();
bmImage.StreamSource = ms;
bmImage.EndInit();
returnedImage = bmImage;
}
catch
{
MessageBox.Show("Unable to download data.");
return null;
}
//Need to check for errors
//string errorCode = validateCanvasXml(rootElement);
//if (!errorCode.Equals(""))
//{
// return null;
//}
return returnedImage;
}
//RT 12/10/16 - Rewriting to use new classes of servicesheet, serviceDay
//public static List<oldServiceSubmissionModel> downloadXml(string canvasUsername, string canvasPassword, string beginDate, string endDate)
//RT 26/11/16 - Changing to use canvasUser
//public static ObservableCollection<ServiceSheetViewModel> downloadXml(string canvasUsername, string canvasPassword, DateTime beginDate, DateTime endDate)
public static ObservableCollection<ServiceSheetViewModel> downloadXml(CanvasUserViewModel canvasUserVM, DateTime beginDate, DateTime endDate)
{
//RT 13/10/16 - Date must be in the USA format
string startDateStr = beginDate.ToString("MM/dd/yyyy", null);
string endDateStr = endDate.ToString("MM/dd/yyyy", null);
string canvasUrl = "https://www.gocanvas.com/apiv2/submissions.xml?username="******"&password="******"&form_id=1285373&begin_date=" + startDateStr + "&end_date=" + endDateStr;
XElement rootElement;
rootElement = loadElements(canvasUrl);
if (rootElement == null)
{
//Failed validation or download failed. Error will have been shown
return null;
}
XElement totalPagesNode = rootElement.Element("TotalPages");
int noOfPages = Convert.ToInt32(totalPagesNode.Value);
//RT 13/10/16 - Adding support for multiple pages from Canvas
int pageCounter = 1;
List<ServiceSheetViewModel> allSubmissions = new List<ServiceSheetViewModel>();
while (pageCounter <= noOfPages)
{
if (pageCounter == 1)
{
XElement submissions = rootElement.Element("Submissions");
//ServiceSubmissionModel[] allSubmissions;
allSubmissions.AddRange(parseSubmissions(submissions));
}
else
{
canvasUrl = "https://www.gocanvas.com/apiv2/submissions.xml?username="******"&password="******"&form_id=1285373&begin_date=" + startDateStr + "&end_date=" + endDateStr + "&page=" +pageCounter;
rootElement = loadElements(canvasUrl);
if (rootElement == null)
{
//Failed validation or download failed. Error will have been shown
return null;
}
XElement submissions = rootElement.Element("Submissions");
//ServiceSubmissionModel[] allSubmissions;
allSubmissions.AddRange(parseSubmissions(submissions));
}
pageCounter++;
}
ObservableCollection<ServiceSheetViewModel> retval = new ObservableCollection<ServiceSheetViewModel>(allSubmissions);
return retval;
}
private void downloadCanvasData(object canvasPasswordBox)
{
CanvasUserVM = new CanvasUserViewModel();
CanvasUserView userView = new CanvasUserView();
userView.DataContext = CanvasUserVM;
bool? userResult = userView.ShowDialog();
//RT 3/12/16 - The box may have been cancelled
if (userResult != true)
{
return;
}
//CanvasUserVM.CanvasPasswordBox = (PasswordBox)canvasPasswordBox;
//RT 26/11/16 - Changing the password to use a PasswordBox for security
//AllServiceSheets = CanvasDataReader.downloadXml(CanvasUser.Username, CanvasUser.Password, DtStartSubmissionsDownload, DtEndSubmissionsDownload);
AllServiceSheets = CanvasDataReader.downloadXml(CanvasUserVM, DtStartSubmissionsDownload, DtEndSubmissionsDownload);
//If no submissions have been returned, then exit. None available, or error has occured. Error will have been shown already
if (AllServiceSheets == null)
{
return;
}
//Now we need to download the images from Canvas, using a progress bar
CanvasImageDownloadView imageDownloadView = new CanvasImageDownloadView();
List<ServiceSheetViewModel> serviceSheetList = new List<ServiceSheetViewModel>(AllServiceSheets);
CanvasImageDownloadViewModel imageVM = new CanvasImageDownloadViewModel(serviceSheetList, CanvasUserVM);
imageDownloadView.DataContext = imageVM;
bool? result = imageDownloadView.ShowDialog();
//Set the servicesheets back to the result from the dialog
if (result == true)
{
AllServiceSheets = new ObservableCollection<ServiceSheetViewModel>(imageVM.AllServices);
}
else
{
AllServiceSheets = new ObservableCollection<ServiceSheetViewModel>();
}
}
