Fixing counter field update due the global chat see #4191

main/inc/ajax/chat.ajax.php

@@ -4,6 +4,8 @@
  * Responses to AJAX calls
  */
 
+$_dont_save_user_course_access  = true;
+
 require_once '../global.inc.php';
 
 require_once api_get_path(LIBRARY_PATH).'chat.lib.php';

main/inc/lib/chat.lib.php

@@ -192,7 +192,6 @@ class Chat extends Model {
 	function close() {
 		unset($_SESSION['openChatBoxes'][$_POST['chatbox']]);
 		unset($_SESSION['chatHistory'][$_POST['chatbox']]);		
-		
 		echo "1";
 		exit;
 	}

main/inc/local.inc.php

@@ -792,7 +792,15 @@ if (isset($cidReset) && $cidReset) { // course session data refresh requested or
         }
         
         if (!isset($_SESSION['login_as'])) {            
+            $save_course_access = true;
             
+            //The value  $_dont_save_user_course_access should be added before the call of global.inc.php see the main/inc/chat.ajax.php file
+            //Disables the updates in the TRACK_E_COURSE_ACCESS table
+            if (isset($_dont_save_user_course_access) && $_dont_save_user_course_access == true) {
+                $save_course_access = false;
+            }
+            
+            if ($save_course_access) {
                 $course_tracking_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
                 
                 /* 
@@ -814,8 +822,7 @@ if (isset($cidReset) && $cidReset) { // course session data refresh requested or
                 $time = api_get_datetime();
 
                 //We select the last record for the current course in the course tracking table
-            // But only if the login date is < than now + max_life_time
+                //But only if the login date is < than now + max_life_time            
-            
                 $sql = "SELECT course_access_id FROM $course_tracking_table
                         WHERE   user_id     = ".intval($_user ['user_id'])." AND
                                 course_code = '$course_code' AND 
@@ -823,9 +830,8 @@ if (isset($cidReset) && $cidReset) { // course session data refresh requested or
                                 login_course_date > now() - INTERVAL $session_lifetime SECOND
                             ORDER BY login_course_date DESC LIMIT 0,1";
                 $result = Database::query($sql);
-                //error_log($sql);
-            if (Database::num_rows($result)>0) {
 
+                if (Database::num_rows($result) > 0) {
                     $i_course_access_id = Database::result($result,0,0);
                     //We update the course tracking table
                     $sql="UPDATE $course_tracking_table  SET logout_course_date = '$time', counter = counter+1 ".
@@ -839,6 +845,8 @@ if (isset($cidReset) && $cidReset) { // course session data refresh requested or
                     Database::query($sql);
                 }
             }
+            
+        }
     }
 }