<?php
namespace app\components\actions;

use yii\db\ActiveRecord;
use yii\rest\Action;
use yii\web\ServerErrorHttpException;
use yii\base\Model;

class PatchAction extends Action
{
    /**
     * @var string the scenario to be assigned to the model before it is validated and updated.
     */
    public $scenario = Model::SCENARIO_DEFAULT;

    /**
     * @param $id
     * @return ActiveRecord
     * @throws ServerErrorHttpException
     * @throws \yii\base\InvalidConfigException
     * @throws \yii\web\NotFoundHttpException
     */
    public function run($id)
    {
        /* @var $model ActiveRecord */
        $model = $this->findModel($id);

        if ($this->checkAccess) {
            call_user_func($this->checkAccess, $this->id, $model);
        }

        $model->scenario = $this->scenario;
        $params = \Yii::$app->getRequest()->getBodyParams();
        $model->load($params, '');

        if (!$model->validate(array_keys($params))) {
            return $model;
        }

        if ($model->save(false) === false && !$model->hasErrors()) {
            throw new ServerErrorHttpException('Failed to update the object for unknown reason.');
        }

        return $model;
    }
}