Use c_id instead of course code

main/inc/lib/api.lib.php

@@ -2564,7 +2564,7 @@ function api_get_user_platform_status($user_id = null) {
                     case 5:
                         $course_status['status'] = 'student';
                         //check if tutor
-                        $tutor_course_status = CourseManager::get_tutor_in_course_status($user_id, $course_code);
+                        $tutor_course_status = CourseManager::get_tutor_in_course_status($user_id, $course_id);
                         if ($tutor_course_status) {
                             $course_status['status'] = 'tutor';
                         }
@@ -6979,7 +6979,7 @@ function api_detect_user_roles($user_id, $courseId, $session_id = 0)
             if (CourseManager::is_course_teacher($user_id, $course_code)) {
                 $user_roles[] = COURSEMANAGER;
             }
-            if (CourseManager::get_tutor_in_course_status($user_id, $course_code)) {
+            if (CourseManager::get_tutor_in_course_status($user_id, $courseInfo['real_id'])) {
                 $user_roles[] = COURSE_TUTOR;
             }
 
@@ -8249,3 +8249,7 @@ function api_remove_uploaded_file($type, $file)
     }
 }
 
+function api_student_boss_access_to_course_and_session()
+{
+    return true;
+}

main/inc/lib/course.lib.php

@@ -343,14 +343,14 @@ class CourseManager
      *
      * @return mixed
      */
-    public static function get_tutor_in_course_status($user_id, $course_code)
+    public static function get_tutor_in_course_status($user_id, $courseId)
     {
         $result = Database::fetch_array(
             Database::query("
                 SELECT is_tutor
                 FROM " . Database::get_main_table(TABLE_MAIN_COURSE_USER) . "
                 WHERE
-                    course_code = '" . Database::escape_string($course_code) . "' AND
+                    c_id = '" . Database::escape_string($courseId) . "' AND
                     user_id = " . intval($user_id)
             )
         );

main/mySpace/myStudents.php

@@ -18,7 +18,7 @@ if (!api_is_allowed_to_create_course() &&
     // Check if the user is tutor of the course
     $user_course_status = CourseManager::get_tutor_in_course_status(
         api_get_user_id(),
-        api_get_course_id()
+        api_get_course_int_id()
     );
     if ($user_course_status != 1) {
         api_not_allowed(true);