This change allows the api paginate method to pass through empty

data, and introduces a no_data block into the templates to render
a message when no data is found on the badges or programs pages,
instead of erroring out.

api.js

@@ -141,12 +141,12 @@ function paginate(key, dataFn) {
       if (err)
         return callback(err, data);
 
-      if (!data[key].length) 
+      if (typeof data[key].length !== 'number') 
         return callback(new errors.BadGateway('Unpageable data returned from upstream'), data);
 
       var pages = Math.ceil(data[key].length / pageSize);
 
-      if (page > pages)
+      if (pages > 0 && page > pages)
         return callback(new errors.NotFound('Page not found'), {
           page: page,
           pages: pages

test/api-middleware.test.js

@@ -503,6 +503,19 @@ test('paginate', function(t) {
     t.end();
   });
 
+  t.test('don\'t error out on no data', function(t) {
+    var method = sinon.stub().callsArgWith(1, null, { data: [] });; 
+    var api = new Api(ORIGIN, {
+      method: { func: method, paginate: true }
+    });
+    var callback = sinon.stub();
+    api.method(callback);
+    var args = callback.getCall(0).args;
+    t.notOk(args[0], 'no error');
+    t.similar(args[1], { data: [], pages: 0 }, 'data');
+    t.end();
+  });
+
   t.test('calls paginated method with query and callback', function(t) {
     var method = sinon.stub(); 
     var api = new Api(ORIGIN, {

views/badges/list.html

@@ -5,3 +5,7 @@
 	{{ super() }}
 	<a class="btn" href="{{ item.url }}/favorite"><i class="icon-heart"></i></a>
 {% endblock %}
+
+{% block no_data %}
+  No badges found.
+{% endblock %}

views/filter.html

@@ -38,6 +38,7 @@
 		{% endif %}
 	{% endblock %}
 	{% block list_wrapper %}
+    {% if items.length %}
       <ul class="thumbnails">
         {% block list %}
           {% for item in items %}
@@ -65,6 +66,11 @@
           {% endfor %}
         {% endblock %}
       </ul>
+    {% else %}
+      {% block no_data %}
+        No data found.
+      {% endblock %}
+    {% endif %}
 	{% endblock %}
 	{% block pagination %}
 		{% if pages > 1 %}

views/programs/list.html

@@ -6,3 +6,7 @@
 	{{ super() }}
 	<a class="btn" href="{{ item.url }}/favorite"><i class="icon-heart"></i></a>
 {% endblock %}
+
+{% block no_data %}
+  No programs or activities found.
+{% endblock %}