/// <summary>
/// Method called when the import button clicked. Prompts
/// the user if they want to import the contacts from a
/// remote location or local one and then calls the
/// relevant methods to complete the request.
/// </summary>
/// <param name="obj">object</param>
/// <returns>void</returns>
private void ExecuteImportCommand(object obj)
{
if (ServiceManager.Instance.LinphoneService.VCardSupported && !ImportInProgress)
{
ImportInProgress = true;
string msg = "To download your contacts from the Provider, please select Yes. Select No to import from local file system.";
string caption = "Import Contacts";
MessageBoxButton button = MessageBoxButton.YesNoCancel;
MessageBoxResult result = MessageBox.Show(msg, caption, button, MessageBoxImage.Question);
Dispatcher Dispatcher = Dispatcher.CurrentDispatcher;
switch (result)
{
case MessageBoxResult.Yes:
string uri = App.CurrentAccount.ContactsURI;
if (uri == string.Empty)
{
msg = "Valid URI required to import contacts. Please go to the Settings, Account menu to input a valid URI.";
caption = "Import Contacts";
button = MessageBoxButton.OK;
MessageBox.Show(msg, caption, button, MessageBoxImage.Error);
ImportInProgress = false;
break;
}
importTask = Task.Run(async() =>
{
try
{
await Dispatcher.BeginInvoke((Action)(() => Mouse.OverrideCursor = Cursors.AppStarting));
XmlDocument xDoc = new XmlDocument();
xDoc = await JsonWebRequest.MakeXmlWebRequestAsync <XmlDocument>(uri);
var recordsImported = ServiceManager.Instance.ContactService.ImportVcardFromXdoc(xDoc);
}
catch (Exception ex)
{
try
{
System.Net.HttpWebResponse response = ((ex as System.Net.WebException).Response) as System.Net.HttpWebResponse;
if (response.StatusCode == System.Net.HttpStatusCode.Unauthorized)
{
await Dispatcher.BeginInvoke((Action)(() => Mouse.OverrideCursor = Cursors.AppStarting));
VATRPCredential creds = App.CurrentAccount.configuration.FindCredential("contacts", null);
if (creds == null)
{
await Dispatcher.BeginInvoke((Action) delegate()
{
creds = GetAuthentication();
});
}
XmlDocument xDoc = new XmlDocument();
xDoc = await JsonWebRequest.MakeXmlWebRequestAuthenticatedAsync <XmlDocument>(uri, creds);
var recordsImported = ServiceManager.Instance.ContactService.ImportVcardFromXdoc(xDoc);
}
else
{
throw;
}
}
catch
{
await Dispatcher.BeginInvoke((Action) delegate()
{
msg = ex.Message;
caption = "Download failed";
button = MessageBoxButton.OK;
MessageBox.Show(msg, caption, button, MessageBoxImage.Error);
});
}
}
finally
{
await Dispatcher.BeginInvoke((Action)(() => Mouse.OverrideCursor = null));
ImportInProgress = false;
}
});
break;
case MessageBoxResult.No:
importTask = Task.Run((Action) delegate()
{
try
{
Dispatcher.BeginInvoke((Action)(() => Mouse.OverrideCursor = Cursors.AppStarting));
ExecuteLocalImport();
}
catch (Exception ex)
{
Dispatcher.BeginInvoke((Action) delegate()
{
msg = "Contacts failed to load.";
caption = "Import Error";
button = MessageBoxButton.OK;
MessageBox.Show(msg, caption, button, MessageBoxImage.Error);
});
}
finally
{
Dispatcher.BeginInvoke((Action)(() => Mouse.OverrideCursor = null));
ImportInProgress = false;
}
});
break;
case MessageBoxResult.Cancel:
ImportInProgress = false;
break;
}
}
}