first custom tag seriliazer tests

products/serializers.py

@@ -1,8 +1,17 @@
 from rest_framework import serializers
+
+from taggit_serializer.serializers import TagListSerializerField, TaggitSerializer
 from products.models import Product
 
+from utils.tag_serializers import SingleTagSerializerField
 
-class ProductSerializer(serializers.ModelSerializer):
-      class Meta:
-          model = Product
-          exclude = ['created', 'updated', 'creator']
+
+class ProductSerializer(TaggitSerializer, serializers.ModelSerializer):
+
+    tags = TagListSerializerField( )
+    category = SingleTagSerializerField() # main tag category
+    attributes = TagListSerializerField()
+
+    class Meta:
+        model = Product
+        exclude = ['created', 'updated', 'creator']