NGSTACK-807 added handler for canonical url

bundle/Handler/Literal/CanonicalUrl.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Netgen\Bundle\OpenGraphBundle\Handler\Literal;
+
+use Ibexa\Core\MVC\Symfony\Routing\UrlAliasRouter;
+use Netgen\Bundle\OpenGraphBundle\Handler\HandlerInterface;
+use Netgen\Bundle\OpenGraphBundle\MetaTag\Item;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Routing\RouterInterface;
+
+final class CanonicalUrl implements HandlerInterface
+{
+    private RouterInterface $router;
+
+    public function __construct(RouterInterface $router)
+    {
+        $this->router = $router;
+    }
+
+    public function getMetaTags($tagName, array $params = []): array
+    {
+        $value = $this->router->generate(
+            UrlAliasRouter::URL_ALIAS_ROUTE_NAME,
+            [
+                'locationId' => $this->content->contentInfo->mainLocationId,
+            ],
+            UrlGeneratorInterface::ABSOLUTE_URL,
+        );
+
+        return [
+            new Item(
+                $tagName,
+                $value
+            ),
+        ];
+    }
+}

bundle/Resources/config/handlers.yaml

@@ -22,6 +22,13 @@ services:
         tags:
             - { name: netgen_open_graph.meta_tag_handler, alias: literal/url }
 
+    netgen_open_graph.handler.literal.canonical_url:
+        class: Netgen\Bundle\OpenGraphBundle\Handler\Literal\CanonicalUrl
+        arguments:
+            - "@router"
+        tags:
+            - { name: netgen_open_graph.meta_tag_handler, alias: literal/canonical_url }
+
     netgen_open_graph.handler.field_type.text_line:
         class: Netgen\Bundle\OpenGraphBundle\Handler\FieldType\TextLine
         parent: netgen_open_graph.handler.field_type.abstract