Merge pull request #1 from talview/DEL-2240

Del 2240: Updated changes for disabling proview for specific users

classes/injector.php

@@ -45,6 +45,26 @@ class injector {
      * @return null
      */
     public static function inject() {
+        global $USER, $COURSE, $DB;
+        $is_proctored = true;
+        $group_list = $USER->groupmember[$COURSE->id]; //fetching the group for the current course.
+
+        //Logic for enabling specific user to use proctered assessment STARTS
+        if( !empty($group_list) ) {
+            foreach ($group_list as $group) {
+                $group_members = $DB->get_record('groups_members', ['id' => $group]);//request to get groupmembership details.
+
+                $group_details = $DB->get_record('groups', ['id' => $group_members->groupid]);// request to get group details.
+
+                if($group_details->name === 'proview_disabled') {
+                    $is_proctored =false;
+                }
+            }
+            if(!$is_proctored) {
+                return;
+            } 
+        }
+        //Logic for enabling specific user to use proctered assessment ENDS
         if (self::$injected) {
             return;
         }

frame.php

@@ -82,6 +82,8 @@ function receiveMessage(event) {
     //Javascript function to start proview invoked upon postmessage from iframe
     function startProview(authToken, session, proview_url, clear, skipHardwareTest, previewStyle) {
       let url = proview_url || '//cdn.proview.io/init.js';
+      //Setting src attribute as error page URL so if the proview is not loaded error page will be shown
+      document.getElementById('contentIFrame').src = 'https://pages.talview.com/proview/error/index.html';
       let iframeWindow = document.getElementById('contentIFrame').contentWindow;
       (function(i,s,o,g,r,a,m){i['TalviewProctor']=r;i[r]=i[r]||function(){
         (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
@@ -121,12 +123,10 @@ function stopProview(url) {
             window.location.href = url;
         })
       }
-
     }
     (function() {
       const urlParams = new URLSearchParams(window.location.search);
       window.iframeUrl = urlParams.get('url');
-      document.getElementById('contentIFrame').src = iframeUrl;
       startProview(urlParams.get('token'),urlParams.get('profile'),urlParams.get('proview_url'))
     })();
 </script>