From 8f399884fc67819dc018f4636b2e64e543095b4d Mon Sep 17 00:00:00 2001
From: Torben Hansen <derhansen@gmail.com>
Date: Sat, 12 Oct 2024 14:49:12 +0200
Subject: [PATCH] [TASK] Avoid TypoScriptFrontendController usage in
 MetaTagViewHelper

Closes #1285
---
 Classes/ViewHelpers/MetaTagViewHelper.php     | 38 +++++++++++--------
 .../ViewHelpers/MetaTagViewHelperTest.php     | 32 ++++++++++++++--
 2 files changed, 52 insertions(+), 18 deletions(-)

diff --git a/Classes/ViewHelpers/MetaTagViewHelper.php b/Classes/ViewHelpers/MetaTagViewHelper.php
index 0296bcb9f..40c0dca28 100644
--- a/Classes/ViewHelpers/MetaTagViewHelper.php
+++ b/Classes/ViewHelpers/MetaTagViewHelper.php
@@ -12,9 +12,9 @@
 namespace DERHANSEN\SfEventMgt\ViewHelpers;
 
 use Psr\Http\Message\ServerRequestInterface;
-use TYPO3\CMS\Core\Page\PageRenderer;
+use TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
 
 /**
@@ -27,36 +27,44 @@ public function initializeArguments(): void
         $this->registerArgument('property', 'string', 'Property of meta tag', false, '', false);
         $this->registerArgument('name', 'string', 'Content of meta tag using the name attribute', false, '', false);
         $this->registerArgument('content', 'string', 'Content of meta tag', true, null, false);
+        $this->registerArgument('replace', 'boolean', 'Replace potential existing tag', false, false);
     }
 
     public function render(): void
     {
-        $tsfe = $this->getTypoScriptFrontendController();
-
-        // Skip if current record is part of tt_content CType shortcut
-        if (!empty($tsfe->recordRegister)
-            && !empty($tsfe->currentRecord)
-            && str_contains($tsfe->currentRecord, 'tx_sfeventmgt_domain_model_event:')
-            && str_contains(array_keys($tsfe->recordRegister)[0], 'tt_content:')
-        ) {
+        // Skip if current record is rendered via tt_content CType shortcut
+        if ($this->isParentRecordShortcut()) {
             return;
         }
 
         $content = (string)$this->arguments['content'];
 
         if ($content !== '') {
-            $pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
+            $registry = GeneralUtility::makeInstance(MetaTagManagerRegistry::class);
             if ($this->arguments['property']) {
-                $pageRenderer->setMetaTag('property', $this->arguments['property'], $content);
+                $manager = $registry->getManagerForProperty($this->arguments['property']);
+                $manager->addProperty($this->arguments['property'], $content, [], $this->arguments['replace'], 'property');
             } elseif ($this->arguments['name']) {
-                $pageRenderer->setMetaTag('property', $this->arguments['name'], $content);
+                $manager = $registry->getManagerForProperty($this->arguments['name']);
+                $manager->addProperty($this->arguments['name'], $content, [], $this->arguments['replace'], 'name');
             }
         }
     }
 
-    private function getTypoScriptFrontendController(): TypoScriptFrontendController
+    private function isParentRecordShortcut(): bool
+    {
+        $contentObjectRenderer = $this->getContentObjectRenderer();
+
+        return $contentObjectRenderer->parentRecord !== [] &&
+            isset($contentObjectRenderer->parentRecord['currentRecord']) &&
+            isset($contentObjectRenderer->parentRecord['data']['CType']) &&
+            str_starts_with($contentObjectRenderer->parentRecord['currentRecord'], 'tt_content:') &&
+            $contentObjectRenderer->parentRecord['data']['CType'] === 'shortcut';
+    }
+
+    private function getContentObjectRenderer(): ContentObjectRenderer
     {
         return $this->renderingContext->getAttribute(ServerRequestInterface::class)
-            ->getAttribute('frontend.controller');
+            ->getAttribute('currentContentObject');
     }
 }
diff --git a/Tests/Functional/ViewHelpers/MetaTagViewHelperTest.php b/Tests/Functional/ViewHelpers/MetaTagViewHelperTest.php
index fbc2cf716..3e5ecb55b 100644
--- a/Tests/Functional/ViewHelpers/MetaTagViewHelperTest.php
+++ b/Tests/Functional/ViewHelpers/MetaTagViewHelperTest.php
@@ -19,7 +19,7 @@
 use TYPO3\CMS\Extbase\Mvc\ExtbaseRequestParameters;
 use TYPO3\CMS\Extbase\Mvc\Request;
 use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextFactory;
-use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 use TYPO3Fluid\Fluid\View\TemplateView;
 
@@ -42,7 +42,7 @@ public function metaTagForNameIsSetByViewHelper(): void
         $extbaseRequestParameters = new ExtbaseRequestParameters();
         $serverRequest = new ServerRequest();
         $serverRequest = $serverRequest->withAttribute('extbase', $extbaseRequestParameters)
-            ->withAttribute('frontend.controller', new TypoScriptFrontendController())
+            ->withAttribute('currentContentObject', new ContentObjectRenderer())
             ->withAttribute('applicationType', SystemEnvironmentBuilder::REQUESTTYPE_FE);
         $extbaseRequest = (new Request($serverRequest));
         $context = $this->get(RenderingContextFactory::class)->create([], $extbaseRequest);
@@ -60,7 +60,7 @@ public function metaTagForPropertyIsSetByViewHelper(): void
         $extbaseRequestParameters = new ExtbaseRequestParameters();
         $serverRequest = new ServerRequest();
         $serverRequest = $serverRequest->withAttribute('extbase', $extbaseRequestParameters)
-            ->withAttribute('frontend.controller', new TypoScriptFrontendController())
+            ->withAttribute('currentContentObject', new ContentObjectRenderer())
             ->withAttribute('applicationType', SystemEnvironmentBuilder::REQUESTTYPE_FE);
         $extbaseRequest = (new Request($serverRequest));
         $context = $this->get(RenderingContextFactory::class)->create([], $extbaseRequest);
@@ -71,4 +71,30 @@ public function metaTagForPropertyIsSetByViewHelper(): void
         $metaTag = $this->pageRenderer->getMetaTag('property', 'og:title');
         self::assertEquals('The og:title', $metaTag['content']);
     }
+
+    #[Test]
+    public function metaTagIsNotRenderedWhenViewHelperUsedInShortcutRecord(): void
+    {
+        $contentObjectRenderer = new ContentObjectRenderer();
+        $contentObjectRenderer->parentRecord = [
+            'currentRecord' => 'tt_content:123',
+            'data' => [
+                'CType' => 'shortcut',
+            ],
+        ];
+
+        $extbaseRequestParameters = new ExtbaseRequestParameters();
+        $serverRequest = new ServerRequest();
+        $serverRequest = $serverRequest->withAttribute('extbase', $extbaseRequestParameters)
+            ->withAttribute('currentContentObject', $contentObjectRenderer)
+            ->withAttribute('applicationType', SystemEnvironmentBuilder::REQUESTTYPE_FE);
+        $extbaseRequest = (new Request($serverRequest));
+        $context = $this->get(RenderingContextFactory::class)->create([], $extbaseRequest);
+        $context->getViewHelperResolver()->addNamespace('e', 'DERHANSEN\\SfEventMgt\\ViewHelpers');
+        $context->getTemplatePaths()->setTemplateSource('<e:metaTag property="og:title" content="The og:title" />');
+        self::assertEquals('', (new TemplateView($context))->render());
+
+        $metaTag = $this->pageRenderer->getMetaTag('property', 'og:title');
+        self::assertEmpty($metaTag);
+    }
 }