feat: red flush and cost

api_v1/views/business/sales/views.py

@@ -55,12 +55,14 @@ class SalesOrderSerializer(serializers.ModelSerializer):
             'total_amount', 'diff_quantity', 'total_quantity',
             'operator', 'operator_name', 'warehouse', 'warehouse_name',
             'status', 'is_red_flushed', 'red_flush_id', 'red_flushed_at',
+            'balance_before_snapshot',
             'remarks', 'created_at', 'updated_at', 'items', 'quantity_of_rolls',
         ]
         read_only_fields = [
             'id', 'created_at', 'updated_at', 'items', 'customer_name',
             'operator_name', 'warehouse_name', 'is_red_flushed',
             'red_flush_id', 'red_flushed_at',
+            'balance_before_snapshot',
         ]
 
 
@@ -83,6 +85,29 @@ class SalesOrderView(StockChangeViewMixin, views.APIView):
         queryset = business_models.SalesOrder.objects.filter(merchant=merchant).prefetch_related(
             'items', 'customer', 'operator', 'warehouse'
         )
+
+        # Query 参数过滤
+        qp = request.query_params
+        customer_id = qp.get('customer')
+        warehouse_id = qp.get('warehouse')
+        status_value = qp.get('status')
+        kind = qp.get('kind')
+
+        if customer_id:
+            try:
+                queryset = queryset.filter(customer_id=int(customer_id))
+            except (TypeError, ValueError):
+                pass
+        if warehouse_id:
+            try:
+                queryset = queryset.filter(warehouse_id=int(warehouse_id))
+            except (TypeError, ValueError):
+                pass
+        if status_value:
+            queryset = queryset.filter(status=status_value)
+        if kind:
+            queryset = queryset.filter(kind=kind)
+
         paginator = self.pagination_class()
         page = paginator.paginate_queryset(queryset.order_by('-created_at'), request, view=self)
         serializer = SalesOrderSerializer(page, many=True)
@@ -145,6 +170,7 @@ class SalesOrderView(StockChangeViewMixin, views.APIView):
                 'id': sales_order.id,
                 'human_id': sales_order.human_id,
                 'status': sales_order.status,
+                'balance_before_snapshot': sales_order.balance_before_snapshot,
                 'message': '销售单创建成功，等待审批',
             },
             status=status.HTTP_201_CREATED,