Generate permalink contents

quiz.js

@@ -7,7 +7,7 @@
  * http://creativecommons.org/publicdomain/zero/1.0/. */
 
 "use strict";
-const version = "$Id: quiz.js,v 1.21 2024/01/21 11:04:51 oj14ozun Exp oj14ozun $";
+const version = "$Id: quiz.js,v 1.22 2024/01/21 12:38:48 oj14ozun Exp oj14ozun $";
 
 const js_version  = document.getElementById("js-version");
 js_version.innerText = version;
@@ -25,6 +25,7 @@ const stats       = document.getElementById("stats");
 const report      = document.getElementById("report");
 const correct     = document.getElementById("correct");
 const wrong       = document.getElementById("wrong");
+const perma       = document.getElementById("perma");
 
 const class_list  = document.documentElement.classList;
 
@@ -80,6 +81,15 @@ function remember(q, ok) {
 }
 
 function pick() {
+    const qid = new URLSearchParams(window.location.search).get("show");
+    if (qid) {
+        const q = questions.find(q => q.id == qid);
+        if (q) {
+            return q;
+        }
+        console.error("Invalid ID: " + qid);
+    }
+    
     let choice = questions[0];
     let worst  = evaluate(choice);
 
@@ -176,6 +186,9 @@ function next() {
     let title = `Problem mit der Frage: "${text.innerText}" (${q.source})`;
     let desc = "(Ersetze diesen Text mit einer Beschreibung des Problems)"
     report.href = `${gitlab_base}/issues/new?issue[title]=${encodeURIComponent(title)}&issue[description]=${encodeURIComponent(desc)}`;
+
+    // update permalink
+    perma.href = `?show=${encodeURIComponent(q.id)}`;
 }
 
 function submit() {