From 73cea543365d27fe8496dd001ae46bcd3a406be1 Mon Sep 17 00:00:00 2001
From: Brian Evans <grknight@gentoo.org>
Date: Thu, 29 Sep 2022 12:28:10 -0400
Subject: GentooPackages: Make use of the recommended WAN Cache

This allows a more seemless callback as well

Signed-off-by: Brian Evans <grknight@gentoo.org>
---
 GentooPackages/GentooPackages.php | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/GentooPackages/GentooPackages.php b/GentooPackages/GentooPackages.php
index 2e3ff3e1..950d5d67 100644
--- a/GentooPackages/GentooPackages.php
+++ b/GentooPackages/GentooPackages.php
@@ -9,29 +9,21 @@ class GentooPackages { // implements MediaWiki\Hook\ParserFirstCallInitHook {
     if ($atom === NULL) {
       return "Package name missing";
     }
-    $cacheExpiry = 60 * 60 * 24; // 1 day
-    $cacheKey = ['packageInfo', $atom, $type];
-    $cacheKeyString = ObjectCache::getLocalClusterInstance()->makeKey(...array_values( $cacheKey ));
     try {
-       $packageInfo = '';
-       $objCache = ObjectCache::getInstance( CACHE_ANYTHING );
-       $cacheChunks = $objCache->get($cacheKeyString);
-       if ( !empty($cacheChunks) && is_array($cacheChunks) ) {
-          $packageInfo = array_shift( $cacheChunks );
-       }
-       if ( empty( $packageInfo ) ) {
-          $packageInfo = static::fetchOrError($atom, $type);
-          $cacheChunks = [ $packageInfo ];
-          $objCache->set($cacheKeyString, $cacheChunks, $cacheExpiry);
-       }
-
+       $objCache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+       $cacheKeyString = $objCache->makeKey('packageInfo', $atom, $type);
+       $packageInfo = $objCache->getWithSetCallback($cacheKeyString, $objCache::TTL_DAY,
+           function( $oldValue, &$ttl, array &$setOpts ) use ( $atom, $type ) {
+		return self::fetchOrError($atom, $type);
+           }
+       );
        return [$packageInfo, 'markerType' => 'nowiki'];
     } catch (Exception $ex) {
        return [$ex->getMessage(), 'markerType' => 'nowiki'];
     }
   }
 
-  private static function fetchOrError($atom, $type) {
+  public static function fetchOrError($atom, $type) {
     global $wgVersion;
     $url = "https://packages.gentoo.org/packages/${atom}.json";
     if ($type !== 'use') {
-- 
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