From b74235619d7377ff01521ae6a753dc89e6f6da64 Mon Sep 17 00:00:00 2001
From: Rohan Sharma Sitoula <rohan.sharma@talview.com>
Date: Mon, 28 Oct 2024 13:38:00 +0530
Subject: [PATCH] Refactor back button hiding logic for SB exams and update
 plugin version

---
 classes/local/api/tracker.php | 34 ++++++++++++++++++++++++++++++----
 templates/tracker.mustache    | 14 --------------
 version.php                   |  4 ++--
 3 files changed, 32 insertions(+), 20 deletions(-)

diff --git a/classes/local/api/tracker.php b/classes/local/api/tracker.php
index e531bca..e9d40ea 100644
--- a/classes/local/api/tracker.php
+++ b/classes/local/api/tracker.php
@@ -195,10 +195,36 @@ public static function insert_tracking()
             if (strpos($PAGE->url, ('mod/quiz/attempt')) &&
                 $quizaccess_proctor_setting && 
                 $quizaccess_proctor_setting->proctortype == 'noproctor' && 
-                $quizaccess_proctor_setting->tsbenabled && 
-                strpos($_SERVER ['HTTP_USER_AGENT'], "Proview-SB") === FALSE) {
-                self::redirect_to_wrapper($template, $quiz);
-                return;
+                $quizaccess_proctor_setting->tsbenabled
+                ) {
+                if(strpos($_SERVER ['HTTP_USER_AGENT'], "Proview-SB") === FALSE){
+                    self::redirect_to_wrapper($template, $quiz);
+                    return;
+                }
+                    else{
+                $PAGE->requires->js_amd_inline('
+                                require(["jquery"], function($) {
+                                    $(document).ready(function() {
+                                        console.log("Document is ready. Checking links...");
+
+                                        document.querySelectorAll('a').forEach(link => {
+                                            const urlContainsIndex = link.href.includes('mod/quiz/view.php');
+                                            const textContainsBack = link.textContent.trim().toLowerCase().includes('back');
+
+                                            if (urlContainsIndex && textContainsBack) {
+                                                console.log(`Hiding link: ${link.href} with text: ${link.textContent}`);
+                                                // Hide the element by setting its display style to none
+                                                link.style.display = 'none';
+                                            } else {
+                                                console.log(`Link not hidden: ${link.href} with text: ${link.textContent}`);
+                                            }
+                                        });
+
+                                        console.log("Link checking complete.");
+                                    });
+                                });
+                            ');
+                }
             }
 
             if (strpos($PAGE->url, ('mod/quiz/report'))) {
diff --git a/templates/tracker.mustache b/templates/tracker.mustache
index 542ecf3..61ca94a 100644
--- a/templates/tracker.mustache
+++ b/templates/tracker.mustache
@@ -97,20 +97,6 @@
                 });
                 window.location.href = '{{root_dir}}local/proview/frame.php?'+params.toString();
             }
-            // Hide back Button from quiz if exam is launched in SB Starts
-            // NOTE: This will only work for English Language due to string matching
-            if (window.navigator.userAgent.match(/Proview-SB/)) {
-                console.log("User Agent: ", window.navigator.userAgent);
-                document.querySelectorAll('a').forEach(link => {
-                    const urlContainsIndex = link.href.includes('moodle/mod/quiz/view.php');
-                    const textContainsBack = link.textContent.trim().toLowerCase().includes('back');
-                    if (urlContainsIndex && textContainsBack) {
-                        // Hide the element by setting its display style to none
-                        link.style.display = 'none';
-                    }
-                });
-            }
-            // Hide back Button from quiz if exam is launched in SB Starts
         }
         if(current.match('mod/quiz/view') ) {
             if(window.self != window.top && window.parent.previousUrl) { //checking if the request is coming from summary
diff --git a/version.php b/version.php
index 3b6d79d..a37a61b 100644
--- a/version.php
+++ b/version.php
@@ -28,9 +28,9 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version  = 2024102601;
+$plugin->version  = 2024102805;
 $plugin->requires = 2020061500;
-$plugin->release = '3.3.7 (Build: 2024102601)';
+$plugin->release = '3.3.7 (Build: 2024102805)';
 $plugin->maturity = MATURITY_STABLE;
 $plugin->component = 'local_proview';