From 4ce27477fb87602e6dfaa11210c09c27830e637f Mon Sep 17 00:00:00 2001
From: Simey Lameze <simey@moodle.com>
Date: Thu, 21 Feb 2019 09:57:55 +0800
Subject: [PATCH] MDL-64882 repository_filesystem: deprecate legacy cron
 function

---
 repository/filesystem/lib.php | 33 ---------------------------------
 1 file changed, 33 deletions(-)

diff --git a/repository/filesystem/lib.php b/repository/filesystem/lib.php
index ce8502fe9e9..53770530b9e 100644
--- a/repository/filesystem/lib.php
+++ b/repository/filesystem/lib.php
@@ -857,36 +857,3 @@ function repository_filesystem_pluginfile($course, $cm, $context, $filearea, $ar
     }
     send_stored_file($file, $lifetime, 0, $forcedownload, $options);
 }
-
-/**
- * Cron callback for repository_filesystem. Deletes the thumbnails for deleted or changed files.
- */
-function repository_filesystem_cron() {
-    $fs = get_file_storage();
-    // Find all generated thumbnails and group them in array by itemid (itemid == repository instance id).
-    $allfiles = array_merge(
-            $fs->get_area_files(SYSCONTEXTID, 'repository_filesystem', 'thumb'),
-            $fs->get_area_files(SYSCONTEXTID, 'repository_filesystem', 'icon')
-    );
-    $filesbyitem = array();
-    foreach ($allfiles as $file) {
-        if (!isset($filesbyitem[$file->get_itemid()])) {
-            $filesbyitem[$file->get_itemid()] = array();
-        }
-        $filesbyitem[$file->get_itemid()][] = $file;
-    }
-    // Find all instances of repository_filesystem.
-    $instances = repository::get_instances(array('type' => 'filesystem'));
-    // Loop through all itemids of generated thumbnails.
-    foreach ($filesbyitem as $itemid => $files) {
-        if (!isset($instances[$itemid]) || !($instances[$itemid] instanceof repository_filesystem)) {
-            // Instance was deleted.
-            $fs->delete_area_files(SYSCONTEXTID, 'repository_filesystem', 'thumb', $itemid);
-            $fs->delete_area_files(SYSCONTEXTID, 'repository_filesystem', 'icon', $itemid);
-            mtrace(" instance $itemid does not exist: deleted all thumbnails");
-        } else {
-            // Instance has some generated thumbnails, check that they are not outdated.
-            $instances[$itemid]->remove_obsolete_thumbnails($files);
-        }
-    }
-}