Adding data.json

ddah_web/tests/ddah_instances_web_tests.py

@@ -4,8 +4,10 @@
 from promises.models import Promise
 from django.core.urlresolvers import reverse
 import markdown
-from ddah_web.views import DDAHInstanceWebView
+from ddah_web.views import DDAHInstanceWebView, DDAHInstanceWebJSONView
+from ddah_web.models import DDAHInstanceWeb
 from instances.models import Instance
+import json
 
 
 class DDAHInstanceWebTestCase(TestCase):
@@ -97,3 +99,15 @@ def test_get_the_thing(self):
         self.assertTrue(content)
         self.assertIn(self.instance.label, response.content)
 
+    def test_get_the_data_as_json(self):
+        url = reverse('data_json')
+        request = self.factory.get(url)
+        request.instance = self.instance
+        instance_web = DDAHInstanceWeb.objects.get(id=self.instance.id)
+        response = DDAHInstanceWebJSONView.as_view()(request)
+        self.assertEquals(response.status_code, 200)
+        self.assertEquals(response['Content-Type'], 'application/json')
+        self.assertEquals(response.content, instance_web.to_json())
+        the_data = json.loads(response.content)
+        self.assertTrue(the_data)
+

ddah_web/urls.py

@@ -1,7 +1,10 @@
 from django.conf.urls import patterns, url
-from ddah_web.views import DDAHInstanceWebView
+from ddah_web.views import DDAHInstanceWebView, DDAHInstanceWebJSONView
 
 urlpatterns = patterns('',
+        url(r'^data.json$',
+            DDAHInstanceWebJSONView.as_view(),
+            name='data_json'),
         url(r'^$',
             DDAHInstanceWebView.as_view(),
             name='instance_home'),

ddah_web/views.py

@@ -2,6 +2,8 @@
 from ddah_web.models import DDAHInstanceWeb
 from django.views.generic.detail import DetailView
 import pystache
+from django.http import HttpResponse
+import json
 
 
 class MoustacheTemplateResponse(TemplateResponse):
@@ -23,3 +25,18 @@ def get_object(self):
 
     def get_slug_field(self):
         return 'label'
+
+class DDAHInstanceWebJSONView(DetailView):
+    model = DDAHInstanceWeb
+    context_object_name = 'instance'
+
+    def get_object(self):
+        return self.model.objects.get(id=self.request.instance.id)
+
+    def get_slug_field(self):
+        return 'label'
+
+    def render_to_response(self, context, **response_kwargs):
+        response_data = self.object.to_json()
+        return HttpResponse(response_data, content_type="application/json")
+