private void Combo_Select_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Institution inst = Combo_Select.SelectedItem as Institution;
if (inst == null)
{
return;
}
PasswordBox.Clear();
foreach (Window view in this.OwnedWindows)
{
view.Close();
}
try
{
if (!_source.DownloadInstitutionData(inst))
{
return;
}
}
catch (XmlException)
{
MessageBox.Show("Could not retrieve valid account information for this institution. The institution will not be loaded.", "Error Retrieving Institutions", MessageBoxButton.OK, MessageBoxImage.Error);
Grid_Account.DataContext = null;
return;
}
catch (InvalidDataException ex)
{
MessageBox.Show(ex.Message + "\n\n" + "The institution will not be loaded.", "Error Retrieving Institution", MessageBoxButton.OK, MessageBoxImage.Warning);
Grid_Account.DataContext = null;
return;
}
AccountViewModel account = new AccountViewModel(inst, "", "");
Grid_Account.DataContext = account;
}
public Account(Institution host, string userID, string accountNumber)
{
this.HostInstitution = host;
this.UserID = userID;
this.AccountNumber = accountNumber;
}
public AccountViewModel(Institution host, string user, string number)
{
Base = new Account(host, user, number);
}
public bool DownloadInstitutionData(Institution inst)
{
//false if failure
bool failure = !true;
if (inst == null || string.IsNullOrWhiteSpace(inst.ID))
{
return(failure);
}
XmlDocument doc = new XmlDocument();
string searchString = DetailsString + inst.ID;
doc.Load(searchString);
XmlNode head = doc.DocumentElement;
XmlNode node;
if (head.Attributes["id"] == null || head.Attributes["id"].InnerText != inst.ID ||
head.SelectSingleNode("name") == null || head.SelectSingleNode("name").InnerText != inst.Name)
{
throw new InvalidDataException("Institution returned did not match \"" + inst.Name + "\".");
}
node = head.SelectSingleNode("url");
if (node == null || String.IsNullOrWhiteSpace(node.InnerText))
{
throw new InvalidDataException("Institution returned did not return a valid connection URL.");
}
inst.URL = node.InnerText;
node = head.SelectSingleNode("org");
if (node == null || String.IsNullOrWhiteSpace(node.InnerText))
{
throw new InvalidDataException("Institution returned did not return a valid connection ORG.");
}
inst.ORG = node.InnerText;
node = head.SelectSingleNode("fid");
if (node == null || String.IsNullOrWhiteSpace(node.InnerText))
{
throw new InvalidDataException("Institution returned did not return a valid identifier (FID).");
}
inst.FID = node.InnerText;
node = head.SelectSingleNode("brokerid");
if (node == null || String.IsNullOrWhiteSpace(node.InnerText))
{
Uri path = new Uri(inst.URL);
if (path.Host != null)
{
inst.BrokerID = path.Host.Substring(path.Host.IndexOf(".") + 1);
}
else
{
throw new InvalidDataException("Institution returned did not return a valid Broker ID.");
}
}
else
{
inst.BrokerID = node.InnerText;
}
return(!failure);
}