From 7dce8da850d2b266ffc196a9e9c0aa9ee9314fe3 Mon Sep 17 00:00:00 2001
From: Shish <shish@shishnet.org>
Date: Sat, 18 Jun 2016 01:19:34 +0100
Subject: [PATCH] caching for autocomplete

---
 ext/tag_list/main.php | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/ext/tag_list/main.php b/ext/tag_list/main.php
index ad1d3509..5322f5b4 100644
--- a/ext/tag_list/main.php
+++ b/ext/tag_list/main.php
@@ -49,20 +49,27 @@ class TagList extends Extension {
 			if(!isset($_GET["s"])) return;
 
 			//$limit = 0;
+			$cache_key = "autocomplete-" . strtolower($_GET["s"]);
 			$limitSQL = "";
 			$SQLarr = array("search"=>$_GET["s"]."%");
 			if(isset($_GET["limit"]) && $_GET["limit"] !== 0){
 				$limitSQL = "LIMIT :limit";
 				$SQLarr['limit'] = $_GET["limit"];
+				$cache_key .= "-" . $_GET["limit"];
 			}
 
-			$res = $database->get_col($database->scoreql_to_sql("
-				SELECT tag
-				FROM tags
-				WHERE SCORE_STRNORM(tag) LIKE SCORE_STRNORM(:search)
-					AND count > 0
-				$limitSQL
-			"), $SQLarr);
+			$res = null;
+			$database->cache->get($cache_key);
+			if(!$res) {
+				$res = $database->get_col($database->scoreql_to_sql("
+					SELECT tag
+					FROM tags
+					WHERE SCORE_STRNORM(tag) LIKE SCORE_STRNORM(:search)
+						AND count > 0
+					$limitSQL
+				"), $SQLarr);
+				$database->cache->set($cache_key, $res, 600);
+			}
 
 			$page->set_mode("data");
 			$page->set_type("text/plain");