Split Gantt controller

app/Controller/TaskGanttController.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Kanboard\Controller;
+
+use Kanboard\Filter\TaskProjectFilter;
+use Kanboard\Formatter\TaskGanttFormatter;
+use Kanboard\Model\Task as TaskModel;
+
+/**
+ * Tasks Gantt Controller
+ *
+ * @package  Kanboard\Controller
+ * @author   Frederic Guillot
+ */
+class TaskGanttController extends BaseController
+{
+    /**
+     * Show Gantt chart for one project
+     */
+    public function show()
+    {
+        $project = $this->getProject();
+        $search = $this->helper->projectHeader->getSearchQuery($project);
+        $sorting = $this->request->getStringParam('sorting', 'board');
+        $filter = $this->taskLexer->build($search)->withFilter(new TaskProjectFilter($project['id']));
+
+        if ($sorting === 'date') {
+            $filter->getQuery()->asc(TaskModel::TABLE.'.date_started')->asc(TaskModel::TABLE.'.date_creation');
+        } else {
+            $filter->getQuery()->asc('column_position')->asc(TaskModel::TABLE.'.position');
+        }
+
+        $this->response->html($this->helper->layout->app('task_gantt/show', array(
+            'project' => $project,
+            'title' => $project['name'],
+            'description' => $this->helper->projectHeader->getDescription($project),
+            'sorting' => $sorting,
+            'tasks' => $filter->format(new TaskGanttFormatter($this->container)),
+        )));
+    }
+
+    /**
+     * Save new task start date and due date
+     */
+    public function save()
+    {
+        $this->getProject();
+        $values = $this->request->getJson();
+
+        $result = $this->taskModification->update(array(
+            'id' => $values['id'],
+            'date_started' => strtotime($values['start']),
+            'date_due' => strtotime($values['end']),
+        ));
+
+        if (! $result) {
+            $this->response->json(array('message' => 'Unable to save task'), 400);
+        } else {
+            $this->response->json(array('message' => 'OK'), 201);
+        }
+    }
+}