manager: export management access entry point as json (#7155)

combo/manager/urls.py

@@ -21,6 +21,7 @@ from . import views
 
 urlpatterns = patterns('combo.views',
         url(r'^$', views.homepage, name='combo-manager-homepage'),
+        url(r'^menu.json$', views.menu_json),
         url(r'^site-export$', views.site_export, name='combo-manager-site-export'),
         url(r'^site-import$', views.site_import, name='combo-manager-site-import'),
         url(r'^pages/add/$', views.page_add, name='combo-manager-page-add'),

combo/manager/views.py

@@ -26,6 +26,7 @@ from django.core.urlresolvers import reverse, reverse_lazy
 from django.http import HttpResponse, Http404
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
+from django.utils.encoding import force_text
 from django.views.decorators.csrf import requires_csrf_token
 from django.views.generic import (TemplateView, RedirectView, DetailView,
         CreateView, UpdateView, ListView, DeleteView, FormView)
@@ -307,3 +308,21 @@ def asset_delete(request):
         raise PermissionDenied()
     default_storage.delete(img_orig);
     return HttpResponse(status=204)
+
+
+def menu_json(request):
+    response = HttpResponse(content_type='application/json')
+    if getattr(settings, 'TEMPLATE_VARS', {}).get('site_title'):
+        label = _('Editing %(site_title)s') % getattr(settings, 'TEMPLATE_VARS')
+    else:
+        label = _('Content Management')
+    json_str = json.dumps([{'label': force_text(label),
+        'slug': 'portal',
+        'url': request.build_absolute_uri(reverse('combo-manager-homepage'))
+        }])
+    for variable in ('jsonpCallback', 'callback'):
+        if variable in request.GET:
+            json_str = '%s(%s);' % (request.GET[variable], json_str)
+            break
+    response.write(json_str)
+    return response