(andri) kembalikan perhitungan coretax

1 files changed, 80 insertions, 25 deletions

diff --git a/indoteknik_custom/models/coretax_fatur.py b/indoteknik_custom/models/coretax_fatur.py
index 4397d7a1..54eb0f8e 100644
--- a/indoteknik_custom/models/coretax_fatur.py
+++ b/indoteknik_custom/models/coretax_fatur.py
@@ -51,7 +51,8 @@ class CoretaxFaktur(models.Model):
             buyerIDTKU = formula if sum(int(char) for char in buyerTIN) > 0 else '000000'
 
             # Tambahkan elemen faktur
-            ET.SubElement(tax_invoice, 'TaxInvoiceDate').text = invoice.invoice_date.strftime('%Y-%m-%d') if invoice.invoice_date else ''
+            ET.SubElement(tax_invoice, 'TaxInvoiceDate').text = invoice.invoice_date.strftime(
+                '%Y-%m-%d') if invoice.invoice_date else ''
             ET.SubElement(tax_invoice, 'TaxInvoiceOpt').text = 'Normal'
             ET.SubElement(tax_invoice, 'TrxCode').text = '04'
             ET.SubElement(tax_invoice, 'AddInfo')
@@ -61,49 +62,103 @@ class CoretaxFaktur(models.Model):
             ET.SubElement(tax_invoice, 'FacilityStamp')
             ET.SubElement(tax_invoice, 'SellerIDTKU').text = '0742260227086000000000'
             ET.SubElement(tax_invoice, 'BuyerTin').text = buyerTIN
-            ET.SubElement(tax_invoice, 'BuyerDocument').text = 'TIN' if sum(int(char) for char in buyerTIN) > 0 else 'Other ID'
+            ET.SubElement(tax_invoice, 'BuyerDocument').text = 'TIN' if sum(
+                int(char) for char in buyerTIN) > 0 else 'Other ID'
             ET.SubElement(tax_invoice, 'BuyerCountry').text = 'IDN'
-            ET.SubElement(tax_invoice, 'BuyerDocumentNumber').text = '-' if sum(int(char) for char in buyerTIN) > 0 else str(invoice.partner_id.id)
+            ET.SubElement(tax_invoice, 'BuyerDocumentNumber').text = '-' if sum(
+                int(char) for char in buyerTIN) > 0 else str(invoice.partner_id.id)
             ET.SubElement(tax_invoice, 'BuyerName').text = invoice.partner_id.nama_wajib_pajak or ''
             ET.SubElement(tax_invoice, 'BuyerAdress').text = invoice.partner_id.alamat_lengkap_text or ''
             ET.SubElement(tax_invoice, 'BuyerEmail').text = invoice.partner_id.email or ''
             ET.SubElement(tax_invoice, 'BuyerIDTKU').text = buyerIDTKU
 
-            # Ambil lines
-            product_lines = invoice.invoice_line_ids.filtered(
-                lambda l: not l.display_type and l.product_id and l.account_id and l.account_id.id != self.DISCOUNT_ACCOUNT_ID and l.quantity != -1
+            # Handle product lines based on down_payments flag
+            if down_payments and invoice.invoice_origin:
+                # Get from sale.order.line for down payment
+                sale_order = invoice.sale_id
+                if sale_order:
+                    product_lines = sale_order.order_line.filtered(
+                        lambda l: l.product_id and not l.is_downpayment and not l.display_type and not l.product_id.id == 229625
+                    )
+                    # Convert sale order lines to invoice-like format
+                    converted_lines = []
+                    for line in product_lines:
+                        converted_lines.append({
+                            'name': line.name,
+                            'product_id': line.product_id,
+                            'price_subtotal': line.price_subtotal,
+                            'quantity': line.product_uom_qty,
+                            'price_unit': line.price_unit,
+                            'account_id': line.order_id.analytic_account_id or False,
+                        })
+                    product_lines = converted_lines
+                else:
+                    product_lines = []
+            else:
+                # Normal case - get from invoice lines
+                product_lines = invoice.invoice_line_ids.filtered(
+                    lambda l: not l.display_type and hasattr(l, 'account_id') and
+                    l.account_id and l.product_id and
+                    l.account_id.id != self.DISCOUNT_ACCOUNT_ID and
+                    l.quantity != -1
+                )
+
+            # Filter discount (always from invoice)
+            discount_lines = invoice.invoice_line_ids.filtered(
+                lambda l: not l.display_type and (
+                    (hasattr(l, 'account_id') and l.account_id and
+                    l.account_id.id == self.DISCOUNT_ACCOUNT_ID) or
+                    (l.quantity == -1)
+                )
             )
 
-            invoice_untaxed = invoice.amount_untaxed
-            if invoice_untaxed == 0:
-                invoice_untaxed = 1  # Hindari div zero
+            # Calculate totals
+            total_product_amount = sum(line.get('price_subtotal', 0) if isinstance(line, dict) 
+                                    else line.price_subtotal for line in product_lines)
+            if total_product_amount == 0:
+                total_product_amount = 1  # Avoid division by zero
+
+            total_discount_amount = abs(sum(line.price_subtotal for line in discount_lines))
 
             # Tambahkan elemen ListOfGoodService
             list_of_good_service = ET.SubElement(tax_invoice, 'ListOfGoodService')
 
             for line in product_lines:
-                line_price_subtotal = line.price_subtotal
-                line_quantity = line.quantity
-                line_name = line.name
-                line_price_unit = line.price_unit
-
-                # Hitung proporsi & tax base per line
-                line_proportion = line_price_subtotal / invoice_untaxed
-                line_tax_base = round(invoice.amount_untaxed * line_proportion, 2)
-                other_tax_base = round(line_tax_base * (11 / 12), 2)
-                vat_amount = round(other_tax_base * 0.12, 2)
-
-                # Isi XML
+                # Handle both dict (converted sale lines) and normal invoice lines
+                if isinstance(line, dict):
+                    line_price_subtotal = line['price_subtotal']
+                    line_quantity = line['quantity']
+                    line_name = line['name']
+                    line_price_unit = line['price_unit']
+                else:
+                    line_price_subtotal = line.price_subtotal
+                    line_quantity = line.quantity
+                    line_name = line.name
+                    line_price_unit = line.price_unit
+
+                # Calculate prorated discount
+                line_proportion = line_price_subtotal / total_product_amount
+                line_discount = total_discount_amount * line_proportion
+
+                subtotal = line_price_subtotal
+                quantity = line_quantity
+                total_discount = round(line_discount, 2)
+
+                # Calculate other tax values
+                otherTaxBase = round(subtotal * (11 / 12), 2) if subtotal else 0
+                vat_amount = round(otherTaxBase * 0.12, 2)
+
+                # Create the line in XML
                 good_service = ET.SubElement(list_of_good_service, 'GoodService')
                 ET.SubElement(good_service, 'Opt').text = 'A'
                 ET.SubElement(good_service, 'Code').text = '000000'
                 ET.SubElement(good_service, 'Name').text = line_name
                 ET.SubElement(good_service, 'Unit').text = 'UM.0018'
                 ET.SubElement(good_service, 'Price').text = str(round(line_price_unit, 2)) if line_price_unit else '0'
-                ET.SubElement(good_service, 'Qty').text = str(line_quantity)
-                ET.SubElement(good_service, 'TotalDiscount').text = '0'
-                ET.SubElement(good_service, 'TaxBase').text = str(line_tax_base)
-                ET.SubElement(good_service, 'OtherTaxBase').text = str(other_tax_base)
+                ET.SubElement(good_service, 'Qty').text = str(quantity)
+                ET.SubElement(good_service, 'TotalDiscount').text = str(total_discount)
+                ET.SubElement(good_service, 'TaxBase').text = str(round(subtotal)) if subtotal else '0'
+                ET.SubElement(good_service, 'OtherTaxBase').text = str(otherTaxBase)
                 ET.SubElement(good_service, 'VATRate').text = '12'
                 ET.SubElement(good_service, 'VAT').text = str(vat_amount)
                 ET.SubElement(good_service, 'STLGRate').text = '0'