Merge "Bug 1722855: Add usrleavesgroup event trigger"

htdocs/lib/db/upgrade.php

@@ -5554,6 +5554,7 @@ function xmldb_core_upgrade($oldversion=0) {
     }
 
     if ($oldversion < 2018010300) {
+        log_debug('Anonymising remaining deleted user data');
         $sql = "UPDATE {usr}
             SET username = CONCAT(MD5(username), 1000000 + id),
             email = CONCAT(MD5(email), 1000000 + id)
@@ -5561,5 +5562,13 @@ function xmldb_core_upgrade($oldversion=0) {
         execute_sql($sql);
     }
 
+    if ($oldversion < 2018010400) {
+        log_debug('Adding new event type "userleavesgroup"');
+        $event = (object)array(
+            'name'  => 'userleavesgroup'
+        );
+        ensure_record_exists('event_type', $event, $event);
+    }
+
     return $status;
 }

htdocs/lib/group.php

@@ -1074,6 +1074,11 @@ function group_remove_user($groupid, $userid=null, $force=false) {
     if (!$force && !group_user_can_leave($groupid, $userid)) {
         throw new AccessDeniedException(get_string('usercantleavegroup', 'group'));
     }
+    $data = new StdClass;
+    $data->user = $userid;
+    $data->group = $groupid;
+    $data->role = get_field('group_member', 'role', 'group', $groupid, 'member', $userid);
+    handle_event('userleavesgroup', $data);
     delete_records('group_member', 'group', $groupid, 'member', $userid);
 
     global $USER;

htdocs/lib/upgrade.php

@@ -871,6 +871,7 @@ function core_install_firstcoredata_defaults() {
         'deactivateuser',
         'activateuser',
         'userjoinsgroup',
+        'userleavesgroup',
         'saveartefact',
         'deleteartefact',
         'deleteartefacts',

htdocs/lib/version.php

@@ -16,7 +16,7 @@ $config = new stdClass();
 // See https://wiki.mahara.org/wiki/Developer_Area/Version_Numbering_Policy
 // For upgrades on stable branches, increment the version by one.  On master, use the date.
 
-$config->version = 2018010300;
+$config->version = 2018010400;
 $config->series = '18.04';
 $config->release = '18.04dev';
 $config->minupgradefrom = 2015030409;