public static string invoiceItemData(dynamic log_invoice)
{
string json = "";
InvoiceItemModel invitem = new InvoiceItemModel();
dynamic invoice_item = invitem.find(invitem, log_invoice.ref_id);
if (invoice_item != null)
{
dynamic dataObject = new ExpandoObject();
dataObject.id = log_invoice.id;
dataObject.key = log_invoice.action;
dataObject.trackable_id = invoice_item.id;
dataObject.trackable_type = log_invoice.model;
if (log_invoice.action != "delete")
{
dynamic data = new ExpandoObject();
data.global_id = invoice_item.id;
data.name = invoice_item.name;
data.date = invoice_item.date;
data.invoice_global_id = invoice_item.invoice_id;
data.product_id = invoice_item.product_id;
data.price = invoice_item.price;
data.total = invoice_item.total;
data.quantity = invoice_item.quantity;
data.unit = invoice_item.unit;
data.vat = invoice_item.vat;
data.discount = invoice_item.discount;
dataObject.data = data;
}
json = JsonConvert.SerializeObject(dataObject);
}
return(json);
}
public void addProduct(dynamic product)
{
if (this.inv != null)
{
int existing_item = searchExistingItem(product.id);
if (existing_item != -1)
{
DataGridViewRow selected_row = invoiceItems.Rows[existing_item];
int quantity = Int32.Parse(selected_row.Cells["quantity"].Value.ToString());
string item_id = selected_row.Cells["invoiceItemId"].Value.ToString();
double total = product.sale_price;
this.inv.invoice_total += total;
quantity += 1;
InvoiceItemModel inv_item = new InvoiceItemModel();
dynamic obj_invoice_item = inv_item.find(inv_item, item_id);
if (obj_invoice_item != null)
{
total *= quantity;
selected_row.Cells["quantity"].Value = quantity;
selected_row.Cells["total"].Value = total;
double invoiceVat = product.sale_price * (product.vat / 100);
this.inv.vat += invoiceVat;
obj_invoice_item.quantity = quantity;
obj_invoice_item.total = total;
obj_invoice_item.vat = invoiceVat * quantity;
obj_invoice_item.save(obj_invoice_item);
barcodeInput.Text = "";
updateAmount();
}
else
{
MessageDialog.ShowAlert("Unable to process the product item!");
}
}
else
{
topDisplay.Text = "1" + product.unit + " @ " + Math.Round(product.sale_price, 2) + " Tk";
double total = product.sale_price * 1;
total = Math.Round(total, 2);
this.inv.invoice_total += total;
//calculate vat per product
double vat = product.sale_price * (product.vat / 100);
//add per product vat to total vat
this.inv.vat += vat;
string item_id = createLineItem(product);
this.invoiceItems.Rows.Add(product.id, item_id, product.barcode, product.name, product.unit, Math.Round(product.sale_price, 2), 1, Math.Round(product.vat, 2), "0%", total);
barcodeInput.Text = "";
updateAmount();
}
}
else
{
MessageBox.Show("Invoice not initialize", "No invoice");
}
}
