add new fields to rancher

apps/product/pos/api/v1/serializers/product_serializers.py

@@ -1,10 +1,27 @@
 from rest_framework import serializers
 from apps.product import models as product_models
+from apps.pos_device.models import POSFreeProducts
 from apps.authorization.api.v1 import serializers as authorize_serializers
 from apps.authentication.api.v1.serializers.serializer import OrganizationSerializer, OrganizationTypeSerializer
 
 
-class ProductCategorySerializer(serializers.ModelSerializer):
+class POSFreeProductSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = POSFreeProducts
+        fields = '__all__'
+
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+
+        representation['product'] = {
+            'name': instance.product.name,
+            'id': instance.product.id
+        }
+
+        return representation
+
+
+class ProductCategorySerializer(serializers.ModelSerializer):  # noqa
     class Meta:
         model = product_models.ProductCategory
         fields = '__all__'