add username value on subscription to session confirmation email

main/inc/lib/sessionmanager.lib.php

@@ -2081,6 +2081,11 @@ class SessionManager
                 $layoutContent = $tplContent->get_template(
                     'mail/content_subscription_to_session_confirmation.tpl'
                 );
+
+                if (api_get_configuration_value('email_template_subscription_to_session_confirmation_username')) {
+                    $tplContent->assign('username', stripslashes($user_info['username']));
+                }
+
                 $content = $tplContent->fetch($layoutContent);
 
                 api_mail_html(

main/install/configuration.dist.php

@@ -2310,6 +2310,9 @@ INSERT INTO `extra_field` (`extra_field_type`, `field_type`, `variable`, `displa
 // Allow DRH user to access all students from reporting.
 // $_configuration['drh_allow_access_to_all_students'] = false;
 
+// Add the username value to the subscription to session confirmation email
+// $_configuration['email_template_subscription_to_session_confirmation_username'] = false;
+
 // KEEP THIS AT THE END
 // -------- Custom DB changes
 // Add user activation by confirmation email

main/template/default/mail/content_subscription_to_session_confirmation.tpl

@@ -1,4 +1,4 @@
-<p>{{ 'Dear'|get_lang }} {{ complete_name }},</p>
+<p>{{ 'Dear'|get_lang }} {{ complete_name }} {{ username ? '(' ~ username ~ ')' }},</p>
 <p>{{ 'YouAreRegisterToSessionX'|get_lang|format(session_name) }}</p>
 <p>{{ 'Address'|get_lang }}  {{ _s.site_name }} {{ 'Is'|get_lang }} : {{ _p.web }}</p>
 <p>{{ 'Problem'|get_lang }}</p>