private void worker_DoWork(object sender, DoWorkEventArgs e)
{
int maxSubmissions = AllServices.Count;
List <ServiceSheetViewModel> updatedSubmissions = new List <ServiceSheetViewModel>();
string downloadUrl;
string customerSignatureUrl;
string image1Url;
string image2Url;
string image3Url;
string image4Url;
string image5Url;
foreach (ServiceSheetViewModel currentSubmission in AllServices.ToList())
{
downloadUrl = currentSubmission.MttEngSignatureUrl;
ImageSource imgEngSignature = CanvasDataReader.downloadImage(downloadUrl, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (imgEngSignature == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.MttEngineerSignature = imgEngSignature;
currentSubmission.MttEngineerSignature.Freeze();
//Download the customer signature
customerSignatureUrl = currentSubmission.CustomerSignatureUrl;
if (!customerSignatureUrl.Equals(""))
{
ImageSource imgCustSignature = CanvasDataReader.downloadImage(customerSignatureUrl, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (imgCustSignature == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.CustomerSignature = imgCustSignature;
currentSubmission.CustomerSignature.Freeze();
}
//Download all the images, if they exist
image1Url = currentSubmission.Image1Url;
if (!image1Url.Equals(""))
{
ImageSource img1 = CanvasDataReader.downloadImage(image1Url, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (img1 == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.Image1 = img1;
currentSubmission.Image1.Freeze();
}
image2Url = currentSubmission.Image2Url;
if (!image2Url.Equals(""))
{
ImageSource img2 = CanvasDataReader.downloadImage(image2Url, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (img2 == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.Image2 = img2;
currentSubmission.Image2.Freeze();
}
image3Url = currentSubmission.Image3Url;
if (!image3Url.Equals(""))
{
ImageSource img3 = CanvasDataReader.downloadImage(image3Url, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (img3 == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.Image3 = img3;
currentSubmission.Image3.Freeze();
}
image4Url = currentSubmission.Image4Url;
if (!image4Url.Equals(""))
{
ImageSource img4 = CanvasDataReader.downloadImage(image4Url, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (img4 == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.Image4 = img4;
currentSubmission.Image4.Freeze();
}
image5Url = currentSubmission.Image5Url;
if (!image5Url.Equals(""))
{
ImageSource img5 = CanvasDataReader.downloadImage(image5Url, CanvasUser, FullUrl);
//If there has been an error with the image download, then return an empty collection
if (img5 == null)
{
updatedSubmissions = null;
return;
}
currentSubmission.Image5 = img5;
currentSubmission.Image5.Freeze();
}
updatedSubmissions.Add(currentSubmission);
CurrentStatus = CurrentStatus + 1;
(sender as BackgroundWorker).ReportProgress(CurrentStatus);
}
//Return the list of submissions with the images
e.Result = updatedSubmissions;
}