app\controllers\TaskController::actionRollback PHP Method

    public function actionRollback($taskId)
    {
        $this->task = Task::findOne($taskId);
        if (!$this->task) {
            throw new \Exception(yii::t('task', 'unknown deployment bill'));
        }
        if ($this->task->user_id != $this->uid) {
            throw new \Exception(yii::t('w', 'you are not master of project'));
        }
        if ($this->task->ex_link_id == $this->task->link_id) {
            throw new \Exception(yii::t('task', 'no rollback twice'));
        }
        $conf = Project::find()->where(['id' => $this->task->project_id, 'status' => Project::STATUS_VALID])->one();
        if (!$conf) {
            throw new \Exception(yii::t('task', 'can\'t rollback the closed project\'s job'));
        }
        // 是否需要审核
        $status = $conf->audit == Project::AUDIT_YES ? Task::STATUS_SUBMIT : Task::STATUS_PASS;
        $rollbackTask = new Task();
        $rollbackTask->attributes = $this->task->attributes;
        $rollbackTask->status = $status;
        $rollbackTask->action = Task::ACTION_ROLLBACK;
        $rollbackTask->link_id = $this->task->ex_link_id;
        $rollbackTask->title = $this->task->title . ' - ' . yii::t('task', 'rollback');
        if ($rollbackTask->save()) {
            $url = $conf->audit == Project::AUDIT_YES ? '/task/' : '/walle/deploy?taskId=' . $rollbackTask->id;
            $this->renderJson(['url' => $url]);
        } else {
            $this->renderJson([], -1, yii::t('task', 'create a rollback job failed'));
        }
    }