fix: business cancel service merged

business/models.py

@@ -973,6 +973,11 @@ class SalesReturnOrderItem(ModelBase):
         verbose_name = '销售退货明细'
         verbose_name_plural = '销售退货明细'
 
+    def split_quantity_of_rolls(self) -> List[int]:
+        if self.quantity_of_rolls:
+            return [int(value) for value in self.quantity_of_rolls.split(',') if value.strip()]
+        return []
+
     def real_quantity(self):
         return round(self.quantity * (1 - self.empty_diff_percent / 100), 2)
 
@@ -984,6 +989,7 @@ class SalesReturnOrderItem(ModelBase):
 
 
 class ExternalCustomerStatementCategoryEnum(models.TextChoices):
+
     SALE = 'sale', '外部销售单'
     SALE_RETURN = 'sale_return', '外部销售退货单'
 
@@ -1041,11 +1047,7 @@ class ExternalCustomerStatementOrder(ModelBase):
 
     def __str__(self):
         return f'外部对账来源 {self.external_source_id} ({self.category})'
-    
-    def split_quantity_of_rolls(self) -> List[int]:
-        if self.quantity_of_rolls:
-            return [int(value) for value in self.quantity_of_rolls.split(',') if value.strip()]
-        return []
+
 
 
 class PaymentOrderStatusEnum(models.IntegerChoices):