From f0d67a082a0f28d7b4380d3b6a88f1041bfae8bb Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Fri, 14 Feb 2020 11:44:38 +0200
Subject: staging: add filterlist parallel downloader

---
 staging/filterlist/downloadmanager.cpp | 53 ++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 staging/filterlist/downloadmanager.cpp

(limited to 'staging/filterlist/downloadmanager.cpp')

diff --git a/staging/filterlist/downloadmanager.cpp b/staging/filterlist/downloadmanager.cpp
new file mode 100644
index 0000000..bbc9287
--- /dev/null
+++ b/staging/filterlist/downloadmanager.cpp
@@ -0,0 +1,53 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://library.iserlohn-fortress.net/aqua/smolbote.git
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "downloadmanager.h"
+
+QString saveFileName(const QUrl &url, const QString &filename)
+{
+    if(!filename.isEmpty())
+        return filename;
+
+    QString path = url.path();
+    QString basename = QFileInfo(path).fileName();
+
+    if(basename.isEmpty())
+        basename = "download";
+
+    return basename;
+}
+
+DownloadManager::DownloadManager(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QNetworkReply *DownloadManager::download(const QUrl &url, const QString &filename)
+{
+    auto *file = new QFile(saveFileName(url, filename), this);
+    if(!file->open(QIODevice::WriteOnly)) {
+        delete file;
+        return nullptr;
+    }
+
+    QNetworkRequest request(url);
+    QNetworkReply *reply = manager.get(request);
+
+    connect(reply, &QNetworkReply::readyRead, this, [reply, file]() {
+        file->write(reply->readAll());
+    });
+
+    connect(reply, &QNetworkReply::finished, this, [reply, file]() {
+        file->write(reply->readAll());
+        file->close();
+        file->deleteLater();
+        reply->deleteLater();
+    });
+
+    return reply;
+}
-- 
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