From e7e9d06bf3ebc29085b6e87f265252ef5844bced Mon Sep 17 00:00:00 2001
From: Adrian Greeve <adrian@moodle.com>
Date: Wed, 7 Sep 2016 14:29:13 +0800
Subject: [PATCH] MDL-41174 mod_workshop: Added workshop_refresh_events

This function was missing from this activity.
---
 mod/workshop/lib.php | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/mod/workshop/lib.php b/mod/workshop/lib.php
index c1e9eae1cc1..8af75c2a676 100644
--- a/mod/workshop/lib.php
+++ b/mod/workshop/lib.php
@@ -279,6 +279,40 @@ function workshop_delete_instance($id) {
     return true;
 }
 
+/**
+ * This standard function will check all instances of this module
+ * and make sure there are up-to-date events created for each of them.
+ * If courseid = 0, then every workshop event in the site is checked, else
+ * only workshop events belonging to the course specified are checked.
+ *
+ * @param  integer $courseid The Course ID.
+ * @return bool Returns true if the calendar events were successfully updated.
+ */
+function workshop_refresh_events($courseid = 0) {
+    global $DB;
+
+    if ($courseid) {
+        // Make sure that the course id is numeric.
+        if (!is_numeric($courseid)) {
+            return false;
+        }
+        if (!$workshops = $DB->get_records('workshop', array('course' => $courseid))) {
+            return false;
+        }
+    } else {
+        if (!$workshops = $DB->get_records('workshop')) {
+            return false;
+        }
+    }
+    foreach ($workshops as $workshop) {
+        if (!$cm = get_coursemodule_from_instance('workshop', $workshop->id, $courseid, false)) {
+            continue;
+        }
+        workshop_calendar_update($workshop, $cm->id);
+    }
+    return true;
+}
+
 /**
  * List the actions that correspond to a view of this module.
  * This is used by the participation report.