add PageMetaTagsFilter

Author: ZAYEC77

src/components/PageMetaTagsFilter.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * @author    Dmytro Karpovych
+ * @copyright 2016 NRE
+ */
+
+namespace nullref\cms\components;
+
+
+use nullref\cms\models\Page;
+use Yii;
+use yii\base\ActionFilter;
+
+class PageMetaTagsFilter extends ActionFilter
+{
+    public function beforeAction($action)
+    {
+        if (!Yii::$app->request->isAjax) {
+            $url = '/' . Yii::$app->request->pathInfo;
+            /** @var Page $page */
+            $page = Page::find()->byRoute($url)->one();
+            if ($page !== null) {
+                $view = $action->controller->view;
+                $page->registerMetaTags($view);
+                $view->params['cms.page'] = $page;
+            }
+        }
+        return parent::beforeAction($action);
+    }
+}