From 8fcbd8bf8ad863d70a2673316d50ecfc4ff335b3 Mon Sep 17 00:00:00 2001
From: kpitn <pierre.basile@gmail.com>
Date: Tue, 26 Mar 2024 17:12:54 +0100
Subject: [PATCH] feat: Add canonical to sitemap category page

---
 Controller/Sitemap/Category.php | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/Controller/Sitemap/Category.php b/Controller/Sitemap/Category.php
index 308676a..bf21900 100644
--- a/Controller/Sitemap/Category.php
+++ b/Controller/Sitemap/Category.php
@@ -8,6 +8,8 @@
 use Magento\Framework\App\Action\Context;
 use Magento\Framework\App\ResponseInterface;
 use Magento\Framework\Controller\ResultInterface;
+use Magento\Framework\UrlInterface;
+use Magento\Framework\View\Page\Config as PageConfig;
 use Magento\Framework\View\Result\Page;
 use Magento\Framework\View\Result\PageFactory;
 
@@ -28,20 +30,32 @@ class Category extends Action
      * @var PageFactory $pageFactory
      */
     protected $pageFactory;
+    /**
+     * Page config
+     *
+     * @var PageConfig $pageConfig
+     */
+    protected $pageConfig;
 
     /**
      * Category constructor.
      *
-     * @param Context     $context
-     * @param PageFactory $pageFactory
+     * @param Context      $context
+     * @param PageFactory  $pageFactory
+     * @param PageConfig   $pageConfig
+     * @param UrlInterface $urlBuilder
      */
     public function __construct(
         Context $context,
-        PageFactory $pageFactory
+        PageFactory $pageFactory,
+        PageConfig $pageConfig,
+        UrlInterface $urlBuilder
     ) {
         parent::__construct($context);
 
         $this->pageFactory = $pageFactory;
+        $this->pageConfig = $pageConfig;
+        $this->urlBuilder = $urlBuilder;
     }
 
     /**
@@ -53,6 +67,14 @@ public function execute()
         $pageFactory = $this->pageFactory->create();
         $pageFactory->getConfig()->getTitle()->prepend(__('Sitemap'));
 
+        if (!$this->pageConfig->getAssetCollection()->getGroupByContentType('canonical')) {
+            $this->pageConfig->addRemotePageAsset(
+                $this->urlBuilder->getCurrentUrl(),
+                'canonical',
+                ['attributes' => ['rel' => 'canonical']]
+            );
+        }
+
         return $pageFactory;
     }
 }