From a15667dba1f9b5d3044058ae2d85627fb986192e Mon Sep 17 00:00:00 2001
From: HamletDuFromage <61667930+HamletDuFromage@users.noreply.github.com>
Date: Sat, 26 Jul 2025 16:03:16 +0200
Subject: [PATCH] allow setCommentAction() to take multiple hashes as an
 argument

---
 WebAPI_Changelog.md                  |  2 +-
 src/webui/api/torrentscontroller.cpp | 17 +++++++----------
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/WebAPI_Changelog.md b/WebAPI_Changelog.md
index 72fe986d1..3bfe4356c 100644
--- a/WebAPI_Changelog.md
+++ b/WebAPI_Changelog.md
@@ -2,7 +2,7 @@
 
 ## 2.12.1
 * [#23031](https://github.com/qbittorrent/qBittorrent/pull/23031)
-  * Add `torrents/setComment` endpoint with parameters `hash` and `comment` for setting a new torrent comment
+  * Add `torrents/setComment` endpoint with parameters `hashes` and `comment` for setting a new torrent comment
 
 ## 2.12.0
 
diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index ef64f525e..df4a79588 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -2146,17 +2146,14 @@ void TorrentsController::onMetadataDownloaded(const BitTorrent::TorrentInfo &inf
 
 void TorrentsController::setCommentAction()
 {
-    requireParams({u"hash"_s, u"comment"_s});
+    requireParams({u"hashes"_s, u"comment"_s});
 
-    const auto id = BitTorrent::TorrentID::fromString(params()[u"hash"_s]);
-
-    BitTorrent::Torrent *const torrent = BitTorrent::Session::instance()->getTorrent(id);
-    if (!torrent)
-        throw APIError(APIErrorType::NotFound);
-
-    QString comment = params()[u"comment"_s].trimmed()
+    const QStringList hashes {params()[u"hashes"_s].split(u'|')};
+    const QString comment = params()[u"comment"_s].trimmed()
         .replace(QRegularExpression(u"\r?\n"_s), u" "_s);
-    torrent->setComment(comment);
 
-    setResult(QString());
+    applyToTorrents(hashes, [&comment](BitTorrent::Torrent *const torrent)
+    {
+        torrent->setComment(comment);
+    });
 }