chore(backend): Aanpassingen Dwengo Learning-Object-Repository

Processing uit Dwengo Learning-Object-Repository geconverteerd naar TypeScript en aangepast aan onze app.

Functionaliteit van Dwengo Learning-Object-Repository in ons project gekopiëerd en deels aanBestanden die enkel types of interfaces exporteren hernoemd naar *.d.tsgepast aan TypeScript en ons project.

backend/src/services/learning-objects/processing/audio/audio-processor.ts

@@ -0,0 +1,23 @@
+/**
+ * Based on https://github.com/dwengovzw/Learning-Object-Repository/blob/main/app/processors/audio/audio_processor.js
+ */
+import Processor from "../processor.js";
+import DOMPurify from 'isomorphic-dompurify';
+import {type} from "node:os";
+import {DwengoContentType} from "../content-type";
+
+class AudioProcessor extends Processor<string> {
+
+    constructor() {
+        super(DwengoContentType.AUDIO_MPEG);
+    }
+
+    protected renderFn(audioUrl: string): string {
+        return DOMPurify.sanitize(`<audio controls>
+            <source src="${audioUrl}" type=${type}>
+            Your browser does not support the audio element.
+            </audio>`);
+    }
+}
+
+export default AudioProcessor;