show an error page instead of no users in box

lsuits · Jun 1, 2017 · 3946f9e · 3946f9e
1 parent 0400731
commit 3946f9e
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/email.php b/email.php
@@ -128,6 +128,19 @@
     }
 }
 
+// if we have no users to email, show an error page with explanation and a link back
+if (empty($users)) {
+    echo $OUTPUT->header();
+    echo $OUTPUT->heading($blockname);
+    echo $OUTPUT->notification(quickmail::_s('no_usergroups'), 'notifyproblem');
+
+    echo html_writer::start_tag('div', array('class' => 'no-overflow'));
+    echo html_writer::link(new moodle_url('/course/view.php', ['id' => $courseid]), 'Back to previous page', null);
+    echo html_writer::end_tag('div');
+
+    echo $OUTPUT->footer();
+}
+
 // we are presenting the form with values populated from either the log or drafts table in the db
 if (!empty($type)) {