private void btnSave_Click(object sender, EventArgs e)
{
if (carDTO == null)
{
MessageBox.Show("Please choose a model!");
return;
}
string sQuantity = txtQuantity.Text.Trim();
int Quantity = int.Parse(sQuantity);
if (Quantity <= 0)
{
MessageBox.Show("Quantity must be greater than 0!");
return;
}
CarDAO carDAO = new CarDAO();
int numberAvailable = carDAO.GetNumberAvailableCarByID(carDTO.ID);
if (numberAvailable - Quantity < 0)
{
MessageBox.Show("Quantity is out of stock!");
return;
}
string Fullname = txtFullname.Text.Trim();
string Email = txtEmail.Text.Trim();
if (string.IsNullOrEmpty(Fullname) || string.IsNullOrEmpty(Email))
{
MessageBox.Show("Please complete customer's info!");
return;
}
int insertCusResult = -1;
if (cusDTO == null)
{
cusDTO = new CustomerDTO
{
Fullname = Fullname,
Email = Email,
Phone = txtPhone.Text
};
CustomerDAO cusDAO = new CustomerDAO();
insertCusResult = cusDAO.CreateCustomer(cusDTO);
if (insertCusResult == -1)
{
MessageBox.Show("Insert new customer failed!");
return;
}
}
else
{
insertCusResult = cusDTO.ID;
}
InvoiceDAO invoiceDAO = new InvoiceDAO();
int invoiceID = invoiceDAO.CreateNewInvoice(insertCusResult);
InvoiceDetailsDAO invoiceDetailsDAO = new InvoiceDetailsDAO();
bool createInvoiceDetails = invoiceDetailsDAO.CreateInvoiceDetails(carDTO, invoiceID, Quantity);
if (createInvoiceDetails)
{
MessageBox.Show("Add new invoice successfully!");
cusDTO = null;
}
else
{
MessageBox.Show("Add new invoice failed!");
}
this.DialogResult = DialogResult.OK;
}