Add root API showing the new endpoints.

Signed-off-by: Michael Price <loneviking72@gmail.com>

mayan/apps/rest_api/api_views.py

@@ -1,7 +1,29 @@
 from __future__ import unicode_literals
 
-from rest_framework import generics, renderers
+from rest_framework import renderers
 from rest_framework.authtoken.views import ObtainAuthToken
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework.schemas.generators import EndpointEnumerator
+
+from .classes import Endpoint
+from .serializers import EndpointSerializer
+
+
+class APIRoot(APIView):
+    def get(self, request, format=None):
+        """
+        Return a list of all users.
+        """
+        endpoint_enumerator = EndpointEnumerator()
+
+        endpoints = []
+        for url in sorted(set([entry[0].split('/')[2] for entry in endpoint_enumerator.get_api_endpoints()])):
+            if url:
+                endpoints.append(Endpoint(label=url))
+
+        serializer = EndpointSerializer(endpoints, many=True)
+        return Response(serializer.data)
 
 
 class BrowseableObtainAuthToken(ObtainAuthToken):

mayan/apps/rest_api/classes.py

@@ -0,0 +1,10 @@
+from __future__ import unicode_literals
+
+
+class Endpoint(object):
+    def __init__(self, label):
+        self.label = label
+
+    @property
+    def url(self):
+        return '/api/{}/'.format(self.label)

mayan/apps/rest_api/serializers.py

@@ -0,0 +1,8 @@
+from __future__ import unicode_literals
+
+from rest_framework import serializers
+
+
+class EndpointSerializer(serializers.Serializer):
+    label = serializers.CharField(read_only=True)
+    url = serializers.URLField(read_only=True)

mayan/apps/rest_api/urls.py

@@ -2,10 +2,11 @@ from __future__ import unicode_literals
 
 from django.conf.urls import include, url
 
-from .api_views import BrowseableObtainAuthToken
+from .api_views import APIRoot, BrowseableObtainAuthToken
 
 
 api_urls = [
+    url(r'^$', APIRoot.as_view(), name='api_root'),
     url(
         r'^auth/token/obtain/$', BrowseableObtainAuthToken.as_view(),
         name='auth_token_obtain'