fix: sales order retrieve, human_id for sales_order

business/admin.py

@@ -127,7 +127,7 @@ class SalesReturnOrderItemAdmin(admin.ModelAdmin):
 
 @admin.register(models.SalesOrder)
 class SalesOrderAdmin(admin.ModelAdmin):
-    list_display = ('id', 'customer', 'sales_date', 'operator', 'status', '_total_amount', '_diff_quantity', '_total_quantity', 'created_at')
+    list_display = ('id', 'human_id', 'customer', 'sales_date', 'operator', 'status', '_total_amount', '_diff_quantity', '_total_quantity', 'created_at')
     search_fields = ('customer__name',)
     list_filter = ('operator', 'warehouse', 'status', 'created_at')
     ordering = ('-created_at',)

business/models.py

@@ -255,7 +255,19 @@ class SalesOrder(OrderItemsAggregationMixin, OrderDirectionMixin, OrderCounterpa
     remarks = models.TextField(blank=True, null=True, verbose_name='备注')
 
     def __str__(self):
-        return f'销售订单 {self.id} - {self.customer.name}'
+        order_id = self.human_id or str(self.id)
+        return f'销售订单 {order_id} - {self.customer.name}'
+
+    @property
+    def human_id(self) -> str:
+        """
+        人类可读编号（虚拟编号，不落库）。
+
+        规则与 printing.PrintingOrder.human_id 保持一致：YYYYMMDD{6位id}
+        """
+        if self.id is None or self.created_at is None:
+            return ""
+        return f"{self.created_at.year}{self.created_at.month:02d}{self.created_at.day:02d}{self.id:06d}"
 
     class Meta:
         verbose_name = '销售单'

business/tests.py

@@ -389,6 +389,24 @@ class SalesOrderServiceTestCase(TestCase):
         self.assertEqual(item.split_quantity_of_rolls(), [6, 4])
         mock_delay.assert_not_called()
 
+    def test_sales_order_human_id_generation(self):
+        sales_order = services.create_sales_order(
+            merchant=self.merchant,
+            customer=self.customer,
+            order_date=timezone.now().date(),
+            warehouse=self.warehouse_strict,
+            operator=self.operator,
+            items=self.strict_items,
+            created_by=self.user,
+        )
+
+        self.assertIsNotNone(sales_order.human_id)
+        self.assertTrue(len(sales_order.human_id) >= 14)
+        self.assertEqual(
+            sales_order.human_id,
+            f"{sales_order.created_at.strftime('%Y%m%d')}{sales_order.id:06d}",
+        )
+
     def test_review_sales_order_triggers_task(self):
         sales_order = services.create_sales_order(
             merchant=self.merchant,