Add backend preview renderer for booking link teaser

public/typo3conf/ext/ep_theme/Classes/Hooks/PageLayoutView/TeaserBookingLinkPreviewRenderer.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace EP\EpTheme\Hooks\PageLayoutView;
+
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+
+class TeaserBookingLinkPreviewRenderer extends AbstractPreviewRenderer
+{
+    protected $cType = 'teaser_booking_link';
+
+    protected function getAssignmentsForTemplate(): array
+    {
+        $productUid = $this->data['tx_eptheme_context_product'];
+        $images = $this->getImages($productUid, 'tx_epproducts_domain_model_product', 'teaser_images');
+        $product = BackendUtility::getRecord('tx_epproducts_domain_model_product', $productUid);
+        return [
+            'images' => $images,
+            'product' => $product,
+        ];
+    }
+}