From 8991d994c2b41b6e3a12dfb1f7c5883a4f96e83c Mon Sep 17 00:00:00 2001
From: Thomas Piccirello <8296030+Piccirello@users.noreply.github.com>
Date: Thu, 31 Oct 2024 13:34:17 -0700
Subject: [PATCH] WebUI: Eliminate unnecessary torrents table updates

Only update the torrents table when torrents are added, edited, or removed.

PR #21656.
---
 src/webui/www/private/scripts/client.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index 21c6a9604..1f3562caf 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -752,12 +752,14 @@ window.addEventListener("DOMContentLoaded", () => {
                     let update_categories = false;
                     let updateTags = false;
                     let updateTrackers = false;
+                    let updateTorrents = false;
                     const full_update = (response["full_update"] === true);
                     if (full_update) {
                         torrentsTableSelectedRows = torrentsTable.selectedRowsIds();
                         update_categories = true;
                         updateTags = true;
                         updateTrackers = true;
+                        updateTorrents = true;
                         torrentsTable.clear();
                         category_list.clear();
                         tagList.clear();
@@ -864,6 +866,7 @@ window.addEventListener("DOMContentLoaded", () => {
                                 update_categories = true;
                             if (addTorrentToTagList(response["torrents"][key]))
                                 updateTags = true;
+                            updateTorrents = true;
                         }
                     }
                     if (response["torrents_removed"]) {
@@ -874,8 +877,13 @@ window.addEventListener("DOMContentLoaded", () => {
                             removeTorrentFromTagList(hash);
                             updateTags = true; // Always to update All tag
                         });
+                        updateTorrents = true;
                     }
-                    torrentsTable.updateTable(full_update);
+
+                    // don't update the table unnecessarily
+                    if (updateTorrents)
+                        torrentsTable.updateTable(full_update);
+
                     if (response["server_state"]) {
                         const tmp = response["server_state"];
                         for (const k in tmp) {