修改欠单逻辑

jikimo_purchase_request/models/stock_picking.py

@@ -36,10 +36,12 @@ class StockPicking(models.Model):
 
     def _action_done(self):
         res = super(StockPicking, self)._action_done()
-        # 将采购申请明细行的move_dest_ids设置为backorder_ids
+        # 将新产生的backorder对应上原来的采购申请明细行
         backorder_ids = self.backorder_ids
         if backorder_ids:
             purchase_request_lines = self.move_ids.move_orig_ids.purchase_line_id.purchase_request_lines
             if purchase_request_lines:
-                purchase_request_lines.move_dest_ids = [(4, x.id) for x in backorder_ids.move_ids]
+               purchase_request_lines.move_dest_ids = [
+                   (4, x.id) for x in backorder_ids.move_ids if x.product_id.id == purchase_request_lines.product_id.id
+                ]
         return res