void ExportProgressChanged(object sender, ExportProgressChangedEventArgs e) {
this.Dispatcher.Invoke(() => {
switch (e.ExportProgressType) {
case ExportProgressType.DuplicateRecordFound:
duplicatesRows.AddLast(e.UserState as OrderModel);
break;
case ExportProgressType.RecordInserted:
insertedRows.AddLast(e.UserState as OrderModel);
ordersFromDBRows.AddLast(e.UserState as OrderModel);
break;
case ExportProgressType.ExportCompleted:
case ExportProgressType.ExportCancelled:
txtBlockExportLog.Text = String.Format("{0}\n{1}", txtBlockExportLog.Text, e.UserState.ToString());
UpdateUI();
break;
default:
txtBlockExportLog.Text = String.Format("{0}\n{1}", txtBlockExportLog.Text, e.UserState.ToString());
break;
}
if (e.ProgressPercentage > 0)
PBExport.Value = e.ProgressPercentage;
});
}
protected virtual void OnExportProgressChanged(ExportProgressChangedEventArgs e) {
ExportProgressChangedEventHandler handler = ExportProgressChanged;
if (handler != null)
handler(this, e);
}
void ExportXml(object sender, DoWorkEventArgs e) {
Orders ordersFromXml = ParseXml();
if (ordersFromXml != null) {
OrderDetails[] orderDetailsFromXml = ordersFromXml.OrderDetailsList;
using (FileStream stream = new FileStream("Duplicates.csv", FileMode.Create)) {
StreamWriter streamWriter = new StreamWriter(stream);
streamWriter.Write("CustomerID,OrderDate,OrderValue,OrderStatus,OrderType");
if (orderDetailsFromXml != null) {
for (int i = 0; i < orderDetailsFromXml.Length; i++) {
if (exportWorker.CancellationPending) {
e.Cancel = true;
break;
}
OrderModel order = ordersFromXml.ToOrder(orderDetailsFromXml[i]);
int progressPercentage = 10 + Convert.ToInt32((float)i / (float)orderDetailsFromXml.Length * 90);
ExportProgressChangedEventArgs progressArgs = null;
OrderModel duplicateOrder = SelectDuplicateOrder(order.OrderValue);
if (duplicateOrder != null) {
progressArgs = new ExportProgressChangedEventArgs(ExportProgressType.DuplicateRecordFound, progressPercentage, duplicateOrder);
// Save Duplicate order to CSV file
string content = String.Format("\n{0},{1},{2},{3},{4}", duplicateOrder.CustomerID, duplicateOrder.OrderDate, duplicateOrder.OrderValue, duplicateOrder.OrderStatus, duplicateOrder.OrderType);
streamWriter.Write(content);
}
else {
InsertOrderRecord(order);
progressArgs = new ExportProgressChangedEventArgs(ExportProgressType.RecordInserted, progressPercentage, order);
}
OnExportProgressChanged(progressArgs);
}
}
}
}
}