zxcms/common/modules/pages/controllers/PageController.php

<?php

namespace common\modules\pages\controllers;

use common\modules\pages\repositories\read\PageReadRepository;
use frontend\components\FrontendController;
use yii\web\NotFoundHttpException;
use yii\filters\AccessControl;


class PageController extends FrontendController
{
    private $pages;

	public $layout = 'page';

    public function __construct($id, $module, PageReadRepository $pages, $config = [])
    {
        parent::__construct($id, $module, $config);
        $this->pages = $pages;
    }

	public function behaviors(): array
	{
		return [
			'access' => [
				'class' => AccessControl::class,
				'rules' => [
					[
						'actions' => ['view'],
						'allow' => true,
						'roles' => ['Pages'],
					],
					[
						'actions' => ['preview'],
						'allow' => true,
						'roles' => ['PagesManagement'],
					],
					[    // all the action are accessible to admin
						'allow' => true,
						'roles' => ['admin'],
					],
				],
			],
		];
	}

    /**
     * @param $id
     * @return mixed
     * @throws NotFoundHttpException
     * @internal param string $slug
     */
    public function actionView($id)
    {
        if (!$page = $this->pages->find($id)) {
            throw new NotFoundHttpException('The requested page does not exist.');
        }

        return $this->render('view', [
            'page' => $page,
        ]);
    }

	public function actionPreview($id)
	{
		if (!$page = $this->pages->findPreview($id)) {
			throw new NotFoundHttpException('The requested page does not exist.');
		}

		return $this->render('view', [
			'page' => $page,
		]);
	}
}