Modify api: complete some setting

apps/users/api_urls.py

@@ -2,14 +2,9 @@
 # 
 
 from django.conf.urls import url, include
-from rest_framework import routers
 
 from .api import UserViewSet
 
 
-router = routers.DefaultRouter()
-router.register(r'users', UserViewSet)
-
 urlpatterns = [
-    url(r'v1/', include(router.urls)),
+]
-    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_fr

apps/users/serializers.py

@@ -6,7 +6,19 @@ from rest_framework import serializers
 from .models import Role, User, UserGroup
 
 
-class UserSerializer(serializers.HyperlinkedModelSerializer):
+class UserSerializer(serializers.ModelSerializer):
     class Meta:
         model = User
-        fields =
+        exclude = ['first_name', 'last_name', 'is_staff']
+
+
+class UserGroupSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = UserGroup
+        fields = '__all__'
+
+
+class RoleSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Role
+        fields = '__all__'