use course dependent local cache key

This prevents multiple courses overwriting the cached values.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/student-prod.ts b/src/student-prod.ts
index 90398c9..68b65eb 100644
--- a/src/student-prod.ts
+++ b/src/student-prod.ts
@@ -1,6 +1,6 @@
 import type { Graduation } from "./graduation-common.ts";
 import { Student } from "./student-common.ts";
-import { getUserIconUrl, getCourseParticipantsUrl } from "./utils-prod.js";
+import { getCourseId, getUserIconUrl, getCourseParticipantsUrl } from "./utils-prod.js";
 import { fetchGraduation } from "./graduation-prod.ts";
 
 declare module "./student-common.ts" {
@@ -58,7 +58,7 @@ async function _fetchStudents() {
 async function fetchStudents(idFilter?: number, nameFilter?: string) {
 	if (students === null) {
 		const studentsPromise = _fetchStudents();
-		const storedStudents = localStorage.getItem("students");
+		const storedStudents = localStorage.getItem(`students-${getCourseId()}`);
 		if (storedStudents !== null && storedStudents.length > 0) {
 			studentsPromise.then((fetched) => localStorage.setItem("students", JSON.stringify(fetched)));
 			students = [];