fix(backend): Queries voor leerpaden en leerobjecten toegevoegd

frontend/src/queries/learning-objects.ts

@@ -0,0 +1,57 @@
+import {type MaybeRefOrGetter, toValue} from "vue";
+import type {Language} from "@/data-objects/language.ts";
+import {useQuery, type UseQueryReturnType} from "@tanstack/vue-query";
+import {getLearningObjectController} from "@/controllers/controllers.ts";
+import type {LearningObject} from "@/data-objects/learning-object.ts";
+import type {LearningPath} from "@/data-objects/learning-path.ts";
+
+const LEARNING_OBJECT_KEY = "learningObject";
+const learningObjectController = getLearningObjectController();
+
+export function useLearningObjectMetadataQuery(
+    hruid: MaybeRefOrGetter<string>,
+    language: MaybeRefOrGetter<Language>,
+    version: MaybeRefOrGetter<number>
+): UseQueryReturnType<LearningObject, Error> {
+    return useQuery({
+        queryKey: [LEARNING_OBJECT_KEY, "metadata", hruid, language, version],
+        queryFn: () => {
+            const [hruidVal, languageVal, versionVal] = [toValue(hruid), toValue(language), toValue(version)];
+            return learningObjectController.getMetadata(hruidVal, languageVal, versionVal)
+        },
+        enabled: () => Boolean(toValue(hruid)) && Boolean(toValue(language)) && Boolean(toValue(version)),
+    });
+}
+
+export function useLearningObjectHTMLQuery(
+    hruid: MaybeRefOrGetter<string>,
+    language: MaybeRefOrGetter<Language>,
+    version: MaybeRefOrGetter<number>
+): UseQueryReturnType<Document, Error> {
+    return useQuery({
+        queryKey: [LEARNING_OBJECT_KEY, "html", hruid, language, version],
+        queryFn: () => {
+            const [hruidVal, languageVal, versionVal] = [toValue(hruid), toValue(language), toValue(version)];
+            return learningObjectController.getHTML(hruidVal, languageVal, versionVal)
+        },
+        enabled: () => Boolean(toValue(hruid)) && Boolean(toValue(language)) && Boolean(toValue(version)),
+    });
+}
+
+export function useLearningObjectListForPathQuery(
+    learningPath: MaybeRefOrGetter<LearningPath>
+): UseQueryReturnType<LearningObject, Error> {
+    return useQuery({
+        queryKey: [LEARNING_OBJECT_KEY, "onPath", learningPath],
+        queryFn: () => {
+            let learningObjects = [];
+            for (let node of toValue(learningPath).nodesAsList) {
+                learningObjects.push(
+                    learningObjectController.getHTML(node.learningobjectHruid, node.language, node.version)
+                );
+            }
+            return learningObjects;
+        },
+        enabled: () => Boolean(toValue(learningPath)),
+    });
+}