implemented basic filter creation during product search

products/serializers.py

@@ -2,8 +2,7 @@ from rest_framework import serializers
 
 from products.models import Product
 
-from utils.tag_serializers import TagListSerializerField, TaggitSerializer, SingleTagSerializerField
-
+from utils.tag_serializers import TagListSerializerField, TaggitSerializer, SingleTagSerializerField, SingleTag, TagList
 
 class ProductSerializer(TaggitSerializer, serializers.ModelSerializer):
 
@@ -14,3 +13,11 @@ class ProductSerializer(TaggitSerializer, serializers.ModelSerializer):
     class Meta:
         model = Product
         exclude = ['created', 'updated', 'creator']
+
+
+class TagFilterSerializer(TaggitSerializer, serializers.ModelSerializer):
+    tags = TagListSerializerField(required=False)
+
+    class Meta:
+        model = TagList
+        fields = '__all__'

products/tests.py

@@ -390,11 +390,11 @@ class ProductSearchTest(TestCase):
         url = f"{self.endpoint}?query_string={query_string}"
         # send in request
         response = self.client.get(url)
-        # import ipdb; ipdb.set_trace()
+        import ipdb; ipdb.set_trace()
         # check re sponse
         self.assertEqual(response.status_code, 200)
         # check for object creation
-        self.assertEquals(len(response.data), len(expected_instances))
+        self.assertEquals(len(response.data['products']), len(expected_instances))
 
 
 class MyProductsViewTest(APITestCase):

products/utils.py

@@ -0,0 +1,9 @@
+
+def extract_search_filters(result_set):
+    filters = set()
+
+    for item in result_set:
+        tags = item.tags.all()
+        for tag in tags:
+            filters.add(tag.name)
+    return list(filters)

products/views.py

@@ -17,12 +17,13 @@ from rest_framework.decorators import api_view, permission_classes
 import requests
 
 from products.models import Product
-from products.serializers import ProductSerializer
+from products.serializers import ProductSerializer, TagFilterSerializer
 from companies.models import Company
 from history.models import HistorySync
 
 from back_latienda.permissions import IsCreator
-
+from .utils import extract_search_filters
+from utils.tag_serializers import TaggitSerializer
 
 logging.basicConfig(
     filename='logs/product-load.log',
@@ -142,7 +143,6 @@ def product_search(request):
             result_set = set()
             # split query string into single words
             chunks = query_string.split(' ')
-            # import ipdb; ipdb.set_trace()
 
             for chunk in chunks:
                   # search inside name and description
@@ -162,8 +162,10 @@ def product_search(request):
                   products = Product.objects.filter(attributes=chunk)
                   for item in products:
                         result_set.add(item)
+            # extract filters from result_set
+            filters = extract_search_filters(result_set)
             # serialize and respond
             product_serializer = ProductSerializer(result_set, many=True)
-            return Response(data=product_serializer.data)
+            return Response(data={"filters": filters, "products": product_serializer.data})
       except Exception as e:
             return Response({"errors": {"details": str(type(e))}})