first try at implementing product viewset "related" action

products/utils.py

@@ -85,6 +85,16 @@ def extract_search_filters(result_set):
     return filter_dict
 
 
+def find_related_products_v7(description, tags, attributes, category):
+    products_qs = Product.objects.filter(
+        description=description,
+        tags__in=tags,
+        attributes__in=attributes,
+        category=category
+        )[:6]
+    return products_qs
+
+
 def find_related_products_v3(keyword):
     """
     Ranked product search