From 012d14e8929454b57add6cc5cfe7bf3ebc85e2a2 Mon Sep 17 00:00:00 2001
From: David Monllao <davidm@moodle.com>
Date: Wed, 23 Sep 2015 09:51:44 +0800
Subject: [PATCH] MDL-50332 enrol_self: Setting form url for guests

Credit to Andrew Nicols.
---
 enrol/self/lib.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/enrol/self/lib.php b/enrol/self/lib.php
index 6dca20b70cf0c..6c1364b4a3b78 100644
--- a/enrol/self/lib.php
+++ b/enrol/self/lib.php
@@ -249,7 +249,11 @@ public function enrol_page_hook(stdClass $instance) {
             $data = new stdClass();
             $data->header = $this->get_instance_name($instance);
             $data->info = $enrolstatus;
-            $form = new enrol_self_empty_form(null, $data);
+
+            // The can_self_enrol call returns a button to the login page if the user is a
+            // guest, setting the login url to the form if that is the case.
+            $url = isguestuser() ? get_login_url() : null;
+            $form = new enrol_self_empty_form($url, $data);
         }
 
         ob_start();