mastery badge + fix Integrations helper access (restores Reset button) (v0.5.0)

Helper/QualKardHelper.php

@@ -193,4 +193,18 @@ class QualKardHelper extends Base
         ));
         $this->db->table(TaskModel::TABLE)->eq('id', $task_id)->update(array('date_due' => $due));
     }
+
+    /**
+     * The mastery badge (label + CSS class) for a card, from its stored average.
+     *
+     * @param  int $task_id
+     * @return array
+     */
+    public function cardBadge($task_id)
+    {
+        $raw = $this->taskMetadataModel->get($task_id, 'qualkard_avg', '');
+        $avg = ($raw === '' || $raw === null) ? null : (float) $raw;
+
+        return self::badge($avg);
+    }
 }