MDL-61519 coursecat: Reset the coursecat cache on enrolment

lib/coursecatlib.php

@@ -722,6 +722,9 @@ class coursecat implements renderable, cacheable_object, IteratorAggregate {
             return;
         }
 
+        // Trigger a purge for all caches listening for changes to category enrolment.
+        cache_helper::purge_by_event('changesincategoryenrolment');
+
         if (!$CFG->coursecontact || !in_array($roleid, explode(',', $CFG->coursecontact))) {
             // The role is not one of course contact roles.
             return;

lib/db/caches.php

@@ -134,6 +134,7 @@ $definitions = array(
         'simpledata' => true,
         'invalidationevents' => array(
             'changesincoursecat',
+            'changesincategoryenrolment',
         ),
         'ttl' => 900,
     ),

version.php

@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2017111302.00;              // 20171113      = branching date YYYYMMDD - do not modify!
+$version  = 2017111302.01;              // 20171113      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.