From 08f4e63aeb4a4e06a0f787692406e116f571fc2c Mon Sep 17 00:00:00 2001
From: Benjamin Brahmer <info@b-brahmer.de>
Date: Fri, 29 Dec 2023 18:31:15 +0100
Subject: Add Listener for missing db indices

this allows admins to add them via occ.

Signed-off-by: Benjamin Brahmer <info@b-brahmer.de>
---
 CHANGELOG.md                                |  1 +
 lib/AppInfo/Application.php                 |  3 +++
 lib/Listeners/AddMissingIndicesListener.php | 32 +++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 lib/Listeners/AddMissingIndicesListener.php

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f588a8785..c0ff3d765 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is mostly based on [Keep a Changelog](https://keepachangelog.com/en/1
 # Unreleased
 ## [25.x.x]
 ### Changed
+- Add DB index for news_feeds.deleted_at (#2526)
 
 ### Fixed
 
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 8bfa09c86..e8e548c4b 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -24,6 +24,7 @@ use OCA\News\Hooks\UserDeleteHook;
 use OCA\News\Search\FeedSearchProvider;
 use OCA\News\Search\FolderSearchProvider;
 use OCA\News\Search\ItemSearchProvider;
+use OCA\News\Listeners\AddMissingIndicesListener;
 use OCA\News\Utility\Cache;
 
 use OCP\AppFramework\Bootstrap\IBootContext;
@@ -34,6 +35,7 @@ use OCP\AppFramework\App;
 use OCA\News\Fetcher\FeedFetcher;
 use OCA\News\Fetcher\Fetcher;
 use OCP\User\Events\BeforeUserDeletedEvent;
+use OCP\DB\Events\AddMissingIndicesEvent;
 use Psr\Container\ContainerInterface;
 use Psr\Log\LoggerInterface;
 
@@ -87,6 +89,7 @@ class Application extends App implements IBootstrap
 
 
         $context->registerEventListener(BeforeUserDeletedEvent::class, UserDeleteHook::class);
+        $context->registerEventListener(AddMissingIndicesEvent::class, AddMissingIndicesListener::class);
 
         // parameters
         $context->registerParameter('exploreDir', __DIR__ . '/../Explore/feeds');
diff --git a/lib/Listeners/AddMissingIndicesListener.php b/lib/Listeners/AddMissingIndicesListener.php
new file mode 100644
index 000000000..f9e697901
--- /dev/null
+++ b/lib/Listeners/AddMissingIndicesListener.php
@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Nextcloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author    Benjamin Brahmer <info@b-brahmer.de>
+ * @copyright 2023 Benjamin Brahmer
+ */
+
+ namespace OCA\News\Listeners;
+
+ use OCP\EventDispatcher\Event;
+ use OCP\EventDispatcher\IEventListener;
+ use OCP\DB\Events\AddMissingIncidesEvent;
+
+ /**
+ * @template-implements IEventListener<Event|AddMissingIndicesEvent>
+ */
+class AddMissingIndicesListener implements IEventListener
+{
+    public function handle(Event $event): void
+    {
+        if (!$event instanceof AddMissingIncidesEvent) {
+            return;
+        }
+
+        $event->addMissingIndex('news_feeds', 'news_feeds_deleted_at_index', ['deleted_at']);
+    }
+}
-- 
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