NOISSUE put legacy FTB support in a namespace, fix its base URL

api/logic/modplatform/legacy_ftb/PackFetchTask.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "net/NetJob.h"
+#include <QTemporaryDir>
+#include <QByteArray>
+#include <QObject>
+#include "PackHelpers.h"
+
+namespace LegacyFTB {
+
+class MULTIMC_LOGIC_EXPORT PackFetchTask : public QObject {
+
+    Q_OBJECT
+
+public:
+    PackFetchTask() = default;
+    virtual ~PackFetchTask() = default;
+
+    void fetch();
+    void fetchPrivate(const QStringList &toFetch);
+
+private:
+    NetJobPtr jobPtr;
+
+    QByteArray publicModpacksXmlFileData;
+    QByteArray thirdPartyModpacksXmlFileData;
+
+    bool parseAndAddPacks(QByteArray &data, PackType packType, ModpackList &list);
+    ModpackList publicPacks;
+    ModpackList thirdPartyPacks;
+
+protected slots:
+    void fileDownloadFinished();
+    void fileDownloadFailed(QString reason);
+
+signals:
+    void finished(ModpackList publicPacks, ModpackList thirdPartyPacks);
+    void failed(QString reason);
+
+    void privateFileDownloadFinished(Modpack modpack);
+    void privateFileDownloadFailed(QString reason, QString packCode);
+};
+
+}