private void generateInvoiceBtn_Click(object sender, EventArgs e)
{
if (appointment == null || displayedAppointment == null)
{
return;
}
var invoicePatient = patientService.GetPatientById(appointment.patient_id);
var invoiceService = serviceService.GetServiceById(appointment.service_id);
serviceCost = invoiceService.cost;
var prescriptions = prescriptionService.GetPatientPrescriptionByPatientId(invoicePatient.patient_id);
List <string> drugNames = new List <string>();
foreach (var prescription in prescriptions)
{
drugNames.Add(drugService.GetDrugById(prescription.drug_id).drug_name);
drugCost += drugService.GetDrugById(prescription.drug_id).cost;
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine();
foreach (var drugName in drugNames)
{
stringBuilder.AppendLine(drugName);
}
var invoiceTotalCost = drugCost + serviceCost;
InvoiceService invoiceDAOService = new InvoiceService();
invoice = new Invoice.Invoice()
{
patient_id = invoicePatient.patient_id,
invoice_date = appointment.appointment_date,
service_id = invoiceService.service_id,
drug_names = stringBuilder.ToString(),
total_cost = invoiceTotalCost
};
var created = invoiceDAOService.CreateInvoice(invoice);
MessageBox.Show(created ? "Invoice Successfully Generated!" : "Failed to Generate Invoice");
if (!created)
{
return;
}
printPreviewDialog1.StartPosition = FormStartPosition.CenterScreen;
printPreviewDialog1.Size = new Size(480, 600);
ToolStripButton b = new ToolStripButton();
b.Image = Properties.Resources.PrintIcon;
b.DisplayStyle = ToolStripItemDisplayStyle.Image;
b.Click += printPreview_PrintClick;
((ToolStrip)(printPreviewDialog1.Controls[1])).Items.RemoveAt(0);
((ToolStrip)(printPreviewDialog1.Controls[1])).Items.Insert(0, b);
printPreviewDialog1.ShowDialog();
}