02.04.26

modules/purchase_trade/lot.py

@@ -2779,12 +2779,16 @@ class LotInvoice(Wizard):
         Purchase = Pool().get('purchase.purchase')
         Sale = Pool().get('sale.sale')
         lots = []
+        purchases = []
+        sales = []
         action = self.inv.action
         for r in self.records:
-            purchase = r.r_line.purchase
+            purchase = r.r_line.purchase if r.r_line else None
-            sale = None
+            sale = r.r_sale_line.sale if r.r_sale_line else None
-            if r.r_sale_line:
+            if purchase and purchase not in purchases:
-                sale = r.r_sale_line.sale
+                purchases.append(purchase)
+            if sale and sale not in sales:
+                sales.append(sale)
             lot = Lot(r.r_lot_p)
             # if lot.move == None:
             #     Warning = Pool().get('res.user.warning')   
@@ -2799,12 +2803,22 @@ class LotInvoice(Wizard):
 
         invoice_line = None
         if self.inv.type == 'purchase':
-            Purchase._process_invoice([purchase],lots,action,self.inv.pp_pur)
+            Purchase._process_invoice(purchases, lots, action, self.inv.pp_pur)
-            invoice_line = r.r_lot_p.invoice_line if r.r_lot_p.invoice_line else r.r_lot_p.invoice_line_prov
+            for lot in lots:
+                lot = Lot(lot.id)
+                invoice_line = lot.invoice_line or lot.invoice_line_prov
+                if invoice_line:
+                    break
         else:
-            if sale:
+            if sales:
-                Sale._process_invoice([sale],lots,action,self.inv.pp_sale)
+                Sale._process_invoice(sales, lots, action, self.inv.pp_sale)
-                invoice_line = r.r_lot_p.invoice_line if r.r_lot_p.sale_invoice_line else r.r_lot_p.sale_invoice_line_prov
+                for lot in lots:
+                    lot = Lot(lot.id)
+                    invoice_line = lot.sale_invoice_line or lot.sale_invoice_line_prov
+                    if invoice_line:
+                        break
+        if not invoice_line:
+            raise UserError("No invoice line was generated from the selected lots.")
         self.message.invoice = invoice_line.invoice
 
         return 'message'

modules/purchase_trade/tests/test_module.py

@@ -333,5 +333,20 @@ class PurchaseTradeTestCase(ModuleTestCase):
 
         self.assertEqual(invoice.report_net, Decimal('800'))
 
+    def test_lot_invoice_sale_uses_sale_invoice_line_reference(self):
+        'sale invoicing must resolve the generated invoice from sale invoice links'
+        sale_invoice = Mock()
+        sale_invoice_line = Mock(invoice=sale_invoice)
+        lot = Mock(
+            sale_invoice_line=sale_invoice_line,
+            sale_invoice_line_prov=None,
+            invoice_line=None,
+            invoice_line_prov=None,
+        )
+
+        invoice_line = lot.sale_invoice_line or lot.sale_invoice_line_prov
+
+        self.assertIs(invoice_line.invoice, sale_invoice)
+
 
 del ModuleTestCase