add Save & Close button on the task edit form v1.8 t2

Controller/TaskSaveCloseController.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Kanboard\Plugin\OrganonTweaks\Controller;
+
+use Kanboard\Controller\TaskModificationController;
+
+/**
+ * "Save & Close": the exact core task update, but on success it redirects to the BOARD instead of
+ * reopening the card view. The plugin's "Save & Close" button repoints the edit form here (via JS),
+ * so everything else -- validation, permission checks, CSRF, and the modal error re-render -- is
+ * inherited unchanged from core TaskModificationController. This mirrors core update() line for line
+ * except the one redirect target (kept in sync on Kanboard upgrades).
+ */
+class TaskSaveCloseController extends TaskModificationController
+{
+    public function update()
+    {
+        $task = $this->getTask();
+        $values = $this->request->getValues();
+        $values['id'] = $task['id'];
+        $values['project_id'] = $task['project_id'];
+
+        list($valid, $errors) = $this->taskValidator->validateModification($values);
+
+        if ($valid && $this->updateTask($task, $values, $errors)) {
+            $this->flash->success(t('Task updated successfully.'));
+            $this->response->redirect($this->helper->url->to('BoardViewController', 'show', array('project_id' => $task['project_id'])), true);
+        } else {
+            $this->flash->failure(t('Unable to update your task.'));
+            $this->edit($values, $errors);
+        }
+    }
+}