From 318a677e8ff2c681a18db2503be5fcafe0e52218 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Wed, 29 May 2024 12:29:48 +0800
Subject: [PATCH] Avoid creating redundant temporary file list

PR #20863.
---
 src/webui/api/appcontroller.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/webui/api/appcontroller.cpp b/src/webui/api/appcontroller.cpp
index 7a6fa4547..db51b4cd3 100644
--- a/src/webui/api/appcontroller.cpp
+++ b/src/webui/api/appcontroller.cpp
@@ -37,6 +37,7 @@
 #include <QCoreApplication>
 #include <QDebug>
 #include <QDir>
+#include <QDirIterator>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -1159,8 +1160,11 @@ void AppController::getDirectoryContentAction()
         throw APIError(APIErrorType::BadParams, tr("Invalid mode, allowed values: %1").arg(u"all, dirs, files"_s));
     };
 
-    const QStringList dirs = dir.entryList(QDir::NoDotAndDotDot | parseDirectoryContentMode(visibility));
-    setResult(QJsonArray::fromStringList(dirs));
+    QJsonArray ret;
+    QDirIterator it {dirPath, (QDir::NoDotAndDotDot | parseDirectoryContentMode(visibility))};
+    while (it.hasNext())
+        ret.append(it.next());
+    setResult(ret);
 }
 
 void AppController::networkInterfaceListAction()