planet: auto detect the course's logins activity

Use moodle's link to activity filter to get a link to the
correct online-ide login activity without specifying the course
specific id.

1 files changed, 13 insertions, 7 deletions

diff --git a/Info/9/3/Planet/modellierung/landung/online-ide.md b/Info/9/3/Planet/modellierung/landung/online-ide.md
index e94e77fa..f1988231 100644
--- a/Info/9/3/Planet/modellierung/landung/online-ide.md
+++ b/Info/9/3/Planet/modellierung/landung/online-ide.md
@@ -18,13 +18,15 @@ include-after: |
   // Get the user's firstname via the moodle generico filter
   const firstname = "{firstname}";
   const lastname = "{lastname}";
-  
-  const resource = 90441121;
-  // Moodle some insists in wrapping urls in <a> tags breaking the JS code.
-  // We use a base64 encoding for the url: https://lernplattform.bycs.de/mod/resource/view.php?id=
-  const resourceUrl = "aHR0cHM6Ly9sZXJucGxhdHRmb3JtLmJ5Y3MuZGUvbW9kL3Jlc291cmNlL3ZpZXcucGhwP2lkPQo=";
-  const url = window.atob(resourceUrl) + resource;
-  
+
+  // Get a link to this course's online-ide logins activity
+  const activityAutoLinkDiv = document.getElementById("hint-autolink");
+  const activityLinkNode = activityAutoLinkDiv.children[0].children[0];
+  // Remember the autolink target
+  const url = activityLinkNode.href;
+  // Remove the dummy autolink
+  activityLinkNode.remove();
+
   fetchJson(url).then((logins) => {
   	if (logins) {
   		for (const user of logins) {
@@ -39,6 +41,10 @@ include-after: |
   </script>
 ---
 
+:::{#hint-autolink}
+Online-IDE Logins 
+:::
+
 :::{.terminal}
 ### Online-IDE