//invoice
private void btnGenerateInvoice_Click(object sender, RoutedEventArgs e)
{
SelectedSalesOrder = lvSalesOrders.SelectedItem as SalesOrder;
if (SelectedSalesOrder != null)
{
Invoice invoice = new Invoice()
{
SalesOrder = SelectedSalesOrder,
Date = DateTime.Now,
Paid = SelectedSalesOrder.Paid
};
//create pdf invoice
using (PdfDocument document = new PdfDocument())
{
PdfPage page = document.Pages.Add();
PdfGraphics graphics = page.Graphics;
PdfFont font = new PdfStandardFont(PdfFontFamily.TimesRoman, 14);
PdfImage image = PdfImage.FromFile("../../Images/coolblue_banner.jpg");
graphics.DrawImage(image, 0, 0, 300, 100);
graphics.DrawString("Order Invoice", font, PdfBrushes.Black, new PointF(0, 100));
graphics.DrawString("Reference Number: " + SelectedSalesOrder.SalesOrderId.ToString(), font, PdfBrushes.Black, new PointF(0, 120));
graphics.DrawString("Date: " + SelectedSalesOrder.OrderDate.ToString(), font, PdfBrushes.Black, new PointF(0, 140));
graphics.DrawString("Total: £" + SelectedSalesOrder.TotalPrice.ToString(), font, PdfBrushes.Black, new PointF(0, 160));
graphics.DrawString("BTW: £" + UtilityClass.BTW(SelectedSalesOrder.TotalPrice).ToString(), font, PdfBrushes.Black, new PointF(100, 160));
graphics.DrawString("Total (inc BTW): £" + UtilityClass.PriceWithBTW(SelectedSalesOrder.TotalPrice).ToString(), font, PdfBrushes.Black, new PointF(200, 160));
PdfGrid pdfGrid = new PdfGrid();
DataTable datatable = new DataTable();
datatable.Columns.Add("Product");
datatable.Columns.Add("Description");
datatable.Columns.Add("Quantity");
datatable.Columns.Add("Price");
//grouped products for invoice
var groupedProducts = SelectedSalesOrder.SalesOrderProducts.GroupBy(product => product.Product.Name);
//create 1 row for each group of products
foreach (var group in groupedProducts)
{
datatable.Rows.Add(new Object[] { group.Key, group.First().Product.Description, group.Count().ToString(), (group.First().Product.Price *group.Count()).ToString() });
}
pdfGrid.DataSource = datatable;
pdfGrid.Draw(page, new PointF(0, 200));
//allow user to select where to save document- savefiledialog
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Files(*.pdf)|*.pdf";
saveFileDialog.AddExtension = true;
saveFileDialog.DefaultExt = ".pdf";
if (saveFileDialog.ShowDialog() == true && saveFileDialog.CheckPathExists)
{
document.Save(saveFileDialog.FileName);
document.Close();
MessageBoxResult result = MessageBox.Show("Do you want to view the invoice?", "Invoice Created", MessageBoxButton.YesNo, MessageBoxImage.Information);
if (result == MessageBoxResult.Yes)
{
Process process = new Process();
process.StartInfo.FileName = saveFileDialog.FileName;
process.Start();
}
}
}
}
else
{
MessageNotSelected();
}
}
