feat(frontend): eerste queries voor assignments

frontend/src/queries/classes-temp.ts

@@ -0,0 +1,22 @@
+import {getClassController} from "@/controllers/controllers.ts";
+import {computed, type MaybeRefOrGetter, toValue} from "vue";
+import {useQuery, type UseQueryReturnType} from "@tanstack/vue-query";
+import type {StudentsResponse} from "@/controllers/students.ts";
+
+const classController = getClassController();
+
+function classStudentsQueryKey(classId: string, full: boolean): [string, string, boolean] {
+    return ["class-students", classId, full];
+}
+
+//TODO: delete and use the one in classes.ts
+export function useClassStudentsQuery(
+    classId: MaybeRefOrGetter<string | undefined>,
+    full: MaybeRefOrGetter<boolean> = true,
+): UseQueryReturnType<StudentsResponse, Error> {
+    return useQuery({
+        queryKey: computed(() => classStudentsQueryKey(toValue(classId)!, toValue(full))),
+        queryFn: async () => classController.getStudents(toValue(classId)!, toValue(full)),
+        enabled: () => Boolean(toValue(classId)),
+    });
+}