Added get.fileReferences ViewHelper

Classes/ViewHelpers/Get/FileReferencesViewHelper.php

+<?php
+
+namespace Naderio\NaderioVhs\ViewHelpers\Get;
+
+use TYPO3\CMS\Core\Resource\FileRepository;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+use function count;
+
+/**
+ * Get related Fal Objects
+ * Returns an [array] when [$multiple = true](default)
+ * or only the first reference is found directly as [FileReference] when [$multiple = false].
+ */
+class FileReferencesViewHelper extends AbstractViewHelper
+{
+
+    protected FileRepository $fileRepository;
+
+    public function __construct(
+        FileRepository $fileRepository
+    ) {
+        $this->fileRepository = $fileRepository;
+    }
+
+    public function initializeArguments(): void
+    {
+        $this->registerArgument('table', 'string', 'Tablename (e.g. tt_content)', true);
+        $this->registerArgument('contentUid', 'int', 'Uid of the element with attached FileReferences', true);
+        $this->registerArgument('field', 'string', 'Fieldname of the FileReference (e.g. images or file)', true);
+        $this->registerArgument('multiple', 'string', 'Returns all FileReferences by default or only the first, if set to [false]', false, true);
+    }
+
+    /**
+     * @return array|false
+     */
+    public function render()
+    {
+        $relatedFileReferences = $this->fileRepository->findByRelation(
+            $this->arguments['table'],
+            $this->arguments['field'],
+            $this->arguments['contentUid']
+        );
+
+        if (! count($relatedFileReferences)) {
+            return false;
+        }
+
+        if (count($relatedFileReferences) > 0) {
+            if ($this->arguments['multiple'] === false) {
+                return $relatedFileReferences[0];
+            }
+
+            return $relatedFileReferences;
+        }
+
+        return false;
+    }
+}
+
+
+