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routes/tutorial-refinity.js

@@ -562,6 +562,7 @@ router.get('/tasks', async (req, res) => {
   try {
     const weekNumber = parseInt(req.query.weekNumber) || null;
     const isAdmin = isAdminUser(req);
+    const currentUser = getCurrentUser(req);
     
     let query = {};
     if (weekNumber) {
@@ -571,12 +572,10 @@ router.get('/tasks', async (req, res) => {
     let tasks = await TutorialRefinityTask.find(query).sort({ createdAt: -1 }).lean();
     
     // For non-admin users, only show admin-created tasks
-    if (!isAdmin) {
-      tasks = tasks.filter(t => {
-        // Assume tasks without createdBy are admin-created, or check a flag if you have one
-        return true; // For now, show all tasks. Adjust based on your needs.
-      });
-    }
+    // Admin-created tasks are those where createdBy matches an admin user
+    // Since only admins can create tasks (enforced in POST), all tasks are admin-created
+    // So we show all tasks to all users - they can all access the same admin-created tasks
+    // Each user's revisions are kept separate via version filtering
     
     res.json(tasks);
   } catch (e) {
@@ -660,12 +659,14 @@ router.get('/tasks/:taskId/versions', async (req, res) => {
 
     let versions = await TutorialRefinityVersion.find({ taskId }).sort({ versionNumber: 1 });
 
-    // For non-admin users, only show their own versions (individual practice)
+    // For non-admin users: show admin-created first version (version 1) + their own versions
+    // This allows students to start revising from the admin-created starting point
     if (!isAdmin && currentUser) {
       versions = versions.filter(v => {
         const author = String(v.originalAuthor || '').toLowerCase();
         const revised = String(v.revisedBy || '').toLowerCase();
-        return author === currentUser || revised === currentUser;
+        // Include version 1 (admin-created starting point) OR user's own versions
+        return v.versionNumber === 1 || author === currentUser || revised === currentUser;
       });
     }