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/gift/gift-processor.ts

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+/**
+ * Based on https://github.com/dwengovzw/Learning-Object-Repository/blob/main/app/processors/gift/gift_processor.js
+ */
+
+import Processor from "../processor.js";
+import DOMPurify from 'isomorphic-dompurify';
+import {GIFTQuestion, parse} from "gift-pegjs"
+import {DwengoContentType} from "../content-type";
+import {GIFTQuestionRenderer} from "./question-renderers/gift-question-renderer";
+import {MultipleChoiceQuestionRenderer} from "./question-renderers/multiple-choice-question-renderer";
+import {CategoryQuestionRenderer} from "./question-renderers/category-question-renderer";
+import {DescriptionQuestionRenderer} from "./question-renderers/description-question-renderer";
+import {EssayQuestionRenderer} from "./question-renderers/essay-question-renderer";
+import {MatchingQuestionRenderer} from "./question-renderers/matching-question-renderer";
+import {NumericalQuestionRenderer} from "./question-renderers/numerical-question-renderer";
+import {ShortQuestionRenderer} from "./question-renderers/short-question-renderer";
+import {TrueFalseQuestionRenderer} from "./question-renderers/true-false-question-renderer";
+
+class GiftProcessor extends Processor<string> {
+
+    private renderers: RendererMap = {
+        Category: new CategoryQuestionRenderer(),
+        Description: new DescriptionQuestionRenderer(),
+        Essay: new EssayQuestionRenderer(),
+        Matching: new MatchingQuestionRenderer(),
+        Numerical: new NumericalQuestionRenderer(),
+        Short: new ShortQuestionRenderer(),
+        TF: new TrueFalseQuestionRenderer(),
+        MC: new MultipleChoiceQuestionRenderer()
+    }
+
+    constructor() {
+        super(DwengoContentType.GIFT);
+    }
+
+    override renderFn(giftString: string) {
+        const quizQuestions: GIFTQuestion[] = parse(giftString);
+
+        let html = "<div class='gift'>";
+        for (let question of quizQuestions) {
+            html += this.renderQuestion(question);
+        }
+        html += "</div>"
+
+        return DOMPurify.sanitize(html);
+    }
+
+    private renderQuestion<T extends GIFTQuestion>(question: T): string {
+        const renderer = this.renderers[question.type] as GIFTQuestionRenderer<T>;
+        return renderer.render(question);
+    }
+}
+
+type RendererMap = {
+    [K in GIFTQuestion["type"]]: GIFTQuestionRenderer<Extract<GIFTQuestion, { type: K }>>
+};
+
+export default GiftProcessor;