add template context processor to list all communities in the navbar …

…+ unittest

systers_portal/community/context_processors.py

@@ -0,0 +1,9 @@
+from community.models import Community
+
+
+def communities_processor(request):
+    """Custom template context preprocessor that allows to inject into every
+    request the list of all communities. This is necessary in order to display
+    the list of communities in the navigation bar."""
+    communities = Community.objects.all().order_by("order")
+    return {'communities': communities}

systers_portal/community/tests/test_context_processors.py

@@ -0,0 +1,24 @@
+from django.contrib.auth.models import User
+from django.core.urlresolvers import reverse
+from django.test import TestCase, Client
+
+from users.models import SystersUser
+from community.models import Community
+
+
+class CommunitiesProcessorTestCase(TestCase):
+    def setUp(self):
+        User.objects.create(username='foo', password='foobar')
+        self.systers_user = SystersUser.objects.get()
+        self.client = Client()
+
+    def test_communities_processor(self):
+        """Test the rendering of all communities in the templates"""
+        Community.objects.create(name="Foo", slug="foo", order=1,
+                                 community_admin=self.systers_user)
+        Community.objects.create(name="Boo", slug="boo", order=2,
+                                 community_admin=self.systers_user)
+        index_url = reverse('index')
+        response = self.client.get(index_url)
+        self.assertContains(response, '<a href="/community/foo/">Foo</a>')
+        self.assertContains(response, '<a href="/community/boo/">Boo</a>')

systers_portal/systers_portal/settings/base.py

@@ -77,6 +77,10 @@
     'guardian.backends.ObjectPermissionBackend',
 )
 
+TEMPLATE_CONTEXT_PROCESSORS += (
+    'community.context_processors.communities_processor',
+)
+
 ROOT_URLCONF = 'systers_portal.urls'
 
 WSGI_APPLICATION = 'systers_portal.wsgi.application'

systers_portal/templates/base.html

@@ -42,6 +42,9 @@
         <li class="dropdown">
           <a href="#" class="dropdown-toggle" data-toggle="dropdown">Communities <span class="caret"></span></a>
           <ul class="dropdown-menu" role="menu">
+            {% for community in communities %}
+              <li><a href="{{ community.get_absolute_url }}">{{ community.name }}</a></li>
+            {% endfor %}
           </ul>
         </li>
         <li><a href="http://systers.org/systers-dev/">Wiki</a></li>