Add display name to product serializer, see HEA-652

Author: chrispreee

apps/common/serializers.py

@@ -57,12 +57,18 @@ class Meta:
             "cpc",
             "description",
             "common_name",
+            "display_name",
             "scientific_name",
             "unit_of_measure",
             "kcals_per_unit",
             "aliases",
         ]
 
+    display_name = serializers.SerializerMethodField()
+
+    def get_display_name(self, obj):
+        return obj.display_name()
+
 
 class UserSerializer(serializers.ModelSerializer):
     class Meta: