refactor: movd Updater

include/updater/Updater.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "misc/DataBuffer.h"
+
+#include <ctime>
+
+#define TD_VERSION "alpha-0.0.2"
+
+namespace td {
+namespace utils {
+
+class Updater {
+private:
+    float m_Progress;
+    bool m_DownloadComplete;
+    bool m_FileWrited;
+    bool m_CancelDownload;
+    DataBuffer m_FileBuffer;
+    std::string m_LastVersion;
+public:
+    Updater() : m_Progress(0), m_DownloadComplete(false), m_FileWrited(false), m_CancelDownload(false) {}
+
+    bool checkUpdate();
+    void downloadUpdate();
+    void cancelDownload() { m_CancelDownload = true; m_Progress = 0.0f; m_DownloadComplete = false; }
+    bool writeFile();
+
+    void clearCache() { m_FileBuffer.Clear(); }
+
+    float getDownloadProgress() { return m_Progress; }
+    bool isDownloadComplete() { return m_DownloadComplete; }
+    bool isFileWrited() { return m_FileWrited; }
+
+    static std::string getLocalFilePath();
+    static void removeOldFile();
+
+    static std::string getCurrentVersion() { return TD_VERSION; }
+    std::string getLastVersion() { return m_LastVersion; }
+
+    bool canUpdate();
+private:
+    std::string getDownloadFileURL();
+};
+
+} // namespace utils
+} // namespace td