feat: added pre sales order and pre purchase order models and crud

api_v1/views/business/pre_sales/views.py

@@ -33,7 +33,8 @@ class PreSalesOrderSerializer(serializers.ModelSerializer):
     merchant_name = serializers.CharField(source='merchant.name', read_only=True)
     customer_name = serializers.CharField(source='customer.name', read_only=True)
     warehouse_name = serializers.CharField(source='warehouse.name', read_only=True)
-    created_by_name = serializers.CharField(source='created_by.name', read_only=True)
+    created_by_username = serializers.CharField(source='created_by.username', read_only=True)
+    operator_name = serializers.CharField(source='operator.name', read_only=True)
     items = PreSalesOrderItemSerializer(many=True, read_only=True)
 
     class Meta:
@@ -48,7 +49,9 @@ class PreSalesOrderSerializer(serializers.ModelSerializer):
             'warehouse',
             'warehouse_name',
             'created_by',
-            'created_by_name',
+            'created_by_username',
+            'operator',
+            'operator_name',
             'kind',
             'remarks',
             'created_at',
@@ -63,7 +66,8 @@ class PreSalesOrderSerializer(serializers.ModelSerializer):
             'merchant_name',
             'customer_name',
             'warehouse_name',
-            'created_by_name',
+            'created_by_username',
+            'operator_name',
             'items',
         ]
 
@@ -104,7 +108,8 @@ class PreSalesOrderView(StockChangeViewMixin, views.APIView):
                 merchant=merchant,
                 customer_id=data.get('customer') or data.get('customer_id'),
                 warehouse_id=data.get('warehouse') or data.get('warehouse_id'),
-                created_by=employee,
+                operator=employee,
+                created_by=request.user,
                 kind=data.get('kind'),
                 items=data.get('items'),
                 remarks=data.get('remarks', ''),