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,
+        ];
+    }
+}

public/typo3conf/ext/ep_theme/Resources/Private/Templates/PreviewRenderer/TeaserBookingLink.html

@@ -0,0 +1,23 @@
+{namespace be=TYPO3\CMS\Backend\ViewHelpers}
+<div class="row">
+    <div class="col-xs-12">
+        <p>
+            <strong>Teaser Buchungslink</strong>
+        </p>
+        <p>
+            <f:if condition="{images.0}">
+                <f:then>
+                    <f:image image="{images.0.originalFile}" width="200" height="80c" />
+                </f:then>
+                <f:else>
+                    <f:image src="EXT:ep_theme/Resources/Public/images/lazy.png" width="200" height="80c"/>
+                </f:else>
+            </f:if>
+        </p>
+        <strong>
+            {product.name}
+        </strong>
+        <br>
+        {product.teaser -> f:format.html()}
+    </div>
+</div>

public/typo3conf/ext/ep_theme/ext_localconf.php

@@ -28,6 +28,8 @@ $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][$layout]['tt_content_drawItem']['tease
     \EP\EpTheme\Hooks\PageLayoutView\TeaserConceptPreviewRenderer::class;
 $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][$layout]['tt_content_drawItem']['teaser_product'] =
     \EP\EpTheme\Hooks\PageLayoutView\TeaserProductPreviewRenderer::class;
+$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][$layout]['tt_content_drawItem']['teaser_booking_link'] =
+    \EP\EpTheme\Hooks\PageLayoutView\TeaserBookingLinkPreviewRenderer::class;
 $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][$layout]['tt_content_drawItem']['gmap'] =
     \EP\EpTheme\Hooks\PageLayoutView\GmapPreviewRenderer::class;
 $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS'][$layout]['tt_content_drawItem']['disturber'] =