Implement default image for og:image meta tag

2019-10-10 14:19:42 +02:00
parent 8209d07284
commit b06aa109d5
4 changed files with 54 additions and 0 deletions
@@ -0,0 +1,45 @@
+<?php
+
+namespace EP\EpTheme\MetaTag;
+
+use TYPO3\CMS\Core\Resource\ResourceFactory;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Configuration\ConfigurationManager;
+use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
+use TYPO3\CMS\Extbase\Service\ImageService;
+
+class OpenGraphMetaTagManager extends \TYPO3\CMS\Seo\MetaTag\OpenGraphMetaTagManager
+{
+    public function renderAllProperties(): string
+    {
+        if (!array_key_exists('og:image', $this->properties)) {
+            /** @var ConfigurationManager $configurationManager */
+            $configurationManager = GeneralUtility::makeInstance(ConfigurationManager::class);
+            $settings = GeneralUtility::removeDotsFromTS(
+                $configurationManager->getConfiguration(ConfigurationManagerInterface::CONFIGURATION_TYPE_FULL_TYPOSCRIPT)
+            );
+            $imageSource = $settings['plugin']['tx_eptheme']['settings']['ogDefaultImage'];
+            $resourceFactory = ResourceFactory::getInstance();
+            $image = $resourceFactory->getFileObjectFromCombinedIdentifier(sprintf('1:%s', $imageSource));
+
+            if (null !== $image) {
+                /** @var ImageService $imageService */
+                $imageService = GeneralUtility::makeInstance(ImageService::class);
+                $processedImage = $imageService->applyProcessingInstructions($image, ['width' => '1200']);
+
+                $this->addProperty(
+                    'og:image',
+                    $imageService->getImageUri($processedImage, true),
+                    [
+                        'url' => $imageService->getImageUri($processedImage, true),
+                        'width' => $processedImage->getProperty('width'),
+                        'height' => $processedImage->getProperty('height'),
+                        'type' => $processedImage->getMimeType(),
+                    ]
+                );
+            }
+        }
+
+        return parent::renderAllProperties();
+    }
+}