Merge branch 'fix/exercise-anomaly-detection-nil-values' into feature/ordered_exercise_collection

app/assets/javascripts/external_users.js

@@ -0,0 +1,32 @@
+$(function() {
+  var grid = $('#tag-grid');
+
+  if ($.isController('external_users') && grid.isPresent()) {
+    var spinner = $('#loading');
+    var noElements = $('#no-elements');
+
+    var buildTagContainer = function(tag) {
+      return '\
+        <div class="tag">\
+          <div class="name">' + tag.key + '</div>\
+          <div class="progress">\
+            <div class="progress-bar" role="progressbar" style="width:' + tag.value + '%">' + tag.value + '%</div>\
+          </div>\
+        </div>';
+    };
+
+    var jqxhr = $.ajax(window.location.href + '/tag_statistics', {
+      dataType: 'json',
+      method: 'GET'
+    });
+    jqxhr.done(function(response) {
+      spinner.hide();
+      if (response.length === 0) {
+        noElements.show();
+      } else {
+        var elements = response.map(buildTagContainer);
+        grid.append(elements);
+      }
+    });
+  }
+});