Update ContentTypeSerializer URL arguments

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/common/serializers.py

@@ -5,9 +5,15 @@ from django.contrib.contenttypes.models import ContentType
 from rest_framework import serializers
 
 
-class ContentTypeSerializer(serializers.ModelSerializer):
+class ContentTypeSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
-        fields = ('app_label', 'id', 'model')
+        extra_kwargs = {
+            'url': {
+                'lookup_field': 'pk', 'lookup_url_kwarg': 'content_type_id',
+                'view_name': 'rest_api:content_type-detail'
+            }
+        }
+        fields = ('app_label', 'id', 'model', 'url')
         model = ContentType
 
 
@@ -15,3 +21,7 @@ class TemplateSerializer(serializers.Serializer):
     hex_hash = serializers.CharField(read_only=True)
     name = serializers.CharField(read_only=True)
     html = serializers.CharField(read_only=True)
+    url = serializers.HyperlinkedIdentityField(
+        lookup_field='name', lookup_url_kwarg='name',
+        view_name='rest_api:template-detail'
+    )