Fix some product search issues

apps/search_indexes/serializers.py

@@ -39,7 +39,8 @@ class ProductSubtypeDocumentSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     name_translated = serializers.SerializerMethodField()
 
-    get_name_translated = lambda obj: get_translated_value(obj.name)
+    def get_name_translated(self, obj):
+        return get_translated_value(obj.name)
 
 
 class WineRegionCountryDocumentSerialzer(serializers.Serializer):
@@ -64,6 +65,9 @@ class WineRegionDocumentSerializer(serializers.Serializer):
     name = serializers.CharField()
     country = WineRegionCountryDocumentSerialzer(allow_null=True)
 
+    def get_attribute(self, instance):
+        return instance.wine_region if instance and instance.wine_region else None
+
 
 class WineColorDocumentSerializer(serializers.Serializer):
     """Wine color ES document serializer,"""
@@ -211,7 +215,7 @@ class ProductDocumentSerializer(DocumentSerializer):
     """Product document serializer"""
 
     tags = TagsDocumentSerializer(many=True)
-    subtypes = ProductSubtypeDocumentSerializer(many=True)
+    subtypes = ProductSubtypeDocumentSerializer(many=True, allow_null=True)
     wine_region = WineRegionDocumentSerializer(allow_null=True)
     wine_colors = WineColorDocumentSerializer(many=True)
     product_type = ProductTypeDocumentSerializer(allow_null=True)

apps/search_indexes/views.py

@@ -89,6 +89,8 @@ class EstablishmentDocumentViewSet(BaseDocumentViewSet):
     search_fields = {
         'name': {'fuzziness': 'auto:2,5',
                  'boost': 4},
+        'transliterated_name': {'fuzziness': 'auto:2,5',
+                                'boost': 3},
         'description': {'fuzziness': 'auto:2,5'},
     }
     translated_search_fields = (