configuration option enable_unsubscribe_button_on_my_course_page - refs BT#17176

main/inc/lib/course.lib.php

@@ -4183,7 +4183,9 @@ class CourseManager
             $params['extrafields'] = CourseManager::getExtraFieldsToBePresented($course_info['real_id']);
             $params['real_id'] = $course_info['real_id'];
 
-            if ('1' === $course_info['unsubscribe']) {
+            if (api_get_configuration_value('enable_unsubscribe_button_on_my_course_page')
+                && '1' === $course_info['unsubscribe']
+            ) {
                 $params['unregister_button'] = CoursesAndSessionsCatalog::return_unregister_button(
                     $course_info,
                     Security::get_existing_token(),

main/inc/lib/userportal.lib.php

@@ -1920,7 +1920,9 @@ class IndexManager
 
                                             $course_session['extrafields'] = CourseManager::getExtraFieldsToBePresented($course['real_id']);
 
-                                            if ('1' === $course['unsubscribe']) {
+                                            if (api_get_configuration_value('enable_unsubscribe_button_on_my_course_page')
+                                                && '1' === $course['unsubscribe']
+                                            ) {
                                                 $course_session['unregister_button'] =
                                                     CoursesAndSessionsCatalog::return_unregister_button(
                                                         ['code' => $course['course_code']],

main/install/configuration.dist.php

@@ -1508,6 +1508,9 @@ $_configuration['auth_password_links'] = [
 ];
 */
 
+// Show unsubscribe buttons on page "My courses"
+//$_configuration['enable_unsubscribe_button_on_my_course_page'] = false;
+
 // KEEP THIS AT THE END
 // -------- Custom DB changes
 // Add user activation by confirmation email