Create new class SubtaskTaskConversionModel

app/Model/SubtaskTaskConversionModel.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Kanboard\Core\Base;
+
+/**
+ * Class SubtaskTaskConversionModel
+ *
+ * @package Kanboard\Model
+ * @author  Frederic Guillot
+ */
+class SubtaskTaskConversionModel extends Base
+{
+    /**
+     * Convert a subtask to a task
+     *
+     * @access public
+     * @param  integer $project_id
+     * @param  integer $subtask_id
+     * @return integer
+     */
+    public function convertToTask($project_id, $subtask_id)
+    {
+        $subtask = $this->subtaskModel->getById($subtask_id);
+
+        $task_id = $this->taskCreationModel->create(array(
+            'project_id' => $project_id,
+            'title' => $subtask['title'],
+            'time_estimated' => $subtask['time_estimated'],
+            'time_spent' => $subtask['time_spent'],
+            'owner_id' => $subtask['user_id'],
+        ));
+
+        if ($task_id !== false) {
+            $this->subtaskModel->remove($subtask_id);
+        }
+
+        return $task_id;
+    }
+}