From 2aff714cb52d85d39824728d70b3272bb4fd5064 Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Fri, 9 Jun 2023 17:49:36 +0200
Subject: [PATCH] fix race in filters

---
 src/catalogue/static/2022/book/filter.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/catalogue/static/2022/book/filter.js b/src/catalogue/static/2022/book/filter.js
index 59e810a48..43b6c4e40 100644
--- a/src/catalogue/static/2022/book/filter.js
+++ b/src/catalogue/static/2022/book/filter.js
@@ -8,10 +8,17 @@
     function get_page(page, search, ordering, callback) {
         get_page_by_url('.?page=' + page + '&order=' + ordering + '&search=' + search, callback);
     }
+
+    let lastFulfilledPage = 0;
+
     function get_page_by_url(url, callback) {
+        let requestTime = + new Date();
         $.get(
             url,
             function(data) {
+                if (lastFulfilledPage > requestTime) return;
+                lastFulfilledPage = requestTime;
+
                 html = $(data);
                 objectList = $('#object-list', html);
                 paginate = $('#paginate', html);
-- 
2.20.1