From 1cff51370f182e4e5d3edca540dfe20cb00356ba Mon Sep 17 00:00:00 2001
From: Bofh <bofh@nogafam.es>
Date: Sat, 17 Dec 2022 20:05:27 +0100
Subject: [PATCH] Add last_n_active to limit db query by the latest N active
 users

---
 api/v1/database/mastodon/accounts/search/mod.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/api/v1/database/mastodon/accounts/search/mod.php b/api/v1/database/mastodon/accounts/search/mod.php
index d882b26..900e64a 100644
--- a/api/v1/database/mastodon/accounts/search/mod.php
+++ b/api/v1/database/mastodon/accounts/search/mod.php
@@ -55,6 +55,7 @@ $sql_all = '
 		{newerThanNDays}
 		a.suspended_at IS NULL
 	ORDER BY a.updated_at DESC
+	{lastNActiveUsers}
 ';
 
 $instances = null;
@@ -115,9 +116,20 @@ if (isset($_GET['no_statuses']))
 else $sql_all = str_replace('{noStatusesWhere}', '', $sql_all);
 
 
+$last_n_active = null;
+if (isset($_GET['last_n_active'])) {
+	$last_n_active = intval($_GET['last_n_active']);
+	if ($last_n_active < 0)
+		$last_n_active = 1;
+}
+if ($last_n_active !== null)
+	$sql_all = str_replace('{lastNActiveUsers}', 'LIMIT '.intval($_GET['last_n_active']), $sql_all);
+else $sql_all = str_replace('{lastNActiveUsers}', '', $sql_all);
+
+
 $only_cached = false;
 $cache = null;
-if ($user_filter === 'local')
+if ($user_filter === 'local' || ($last_n_active !== null && $last_n_active <= 5000))
 	$cache = 'ondemand,60';
 else if ($user_filter === 'remote') {
 	$cache = 'always,3600';