Rewrite of the authentication and authorization system

app/Controller/TaskHelper.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Kanboard\Controller;
+
+/**
+ * Task Ajax Helper
+ *
+ * @package  controller
+ * @author   Frederic Guillot
+ */
+class TaskHelper extends Base
+{
+    /**
+     * Render Markdown text and reply with the HTML Code
+     *
+     * @access public
+     */
+    public function preview()
+    {
+        $payload = $this->request->getJson();
+
+        if (empty($payload['text'])) {
+            $this->response->html('<p>'.t('Nothing to preview...').'</p>');
+        }
+
+        $this->response->html($this->helper->text->markdown($payload['text']));
+    }
+
+    /**
+     * Task autocompletion (Ajax)
+     *
+     * @access public
+     */
+    public function autocomplete()
+    {
+        $search = $this->request->getStringParam('term');
+        $projects = $this->projectPermission->getActiveProjectIds($this->userSession->getId());
+
+        if (empty($projects)) {
+            $this->response->json(array());
+        }
+
+        $filter = $this->taskFilterAutoCompleteFormatter
+            ->create()
+            ->filterByProjects($projects)
+            ->excludeTasks(array($this->request->getIntegerParam('exclude_task_id')));
+
+        // Search by task id or by title
+        if (ctype_digit($search)) {
+            $filter->filterById($search);
+        } else {
+            $filter->filterByTitle($search);
+        }
+
+        $this->response->json($filter->format());
+    }
+}