diff --git a/SiaDrive.Api/UploadManager.cpp b/SiaDrive.Api/UploadManager.cpp
index 06573ac..7a47c63 100644
--- a/SiaDrive.Api/UploadManager.cpp
+++ b/SiaDrive.Api/UploadManager.cpp
@@ -1,8 +1,10 @@
 #include "stdafx.h"
 #include "UploadManager.h"
 #include "SiaDriveConfig.h"
+
 using namespace Sia::Api;
 
+
 CUploadManager::CUploadManager(const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig) :
 	CAutoThread(siaCurl, siaDriveConfig),
 	_uploadDatabase(siaDriveConfig->GetRenter_UploadDbFilePath(), SQLite::OPEN_CREATE | SQLite::OPEN_READWRITE)
@@ -18,4 +20,30 @@ CUploadManager::~CUploadManager()
 void CUploadManager::AutoThreadCallback(const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig)
 {
 	
+}
+
+
+UploadStatus CUploadManager::GetUploadStatus(const String& siaPath) const
+{
+	return UploadStatus::NotFound;
+}
+
+void CUploadManager::AddOrUpdate(const String& siaPath, const String& filePath)
+{
+	
+}
+
+void CUploadManager::PurgeCompleteStatus()
+{
+	
+}
+
+void CUploadManager::PurgeErrorStatus()
+{
+	
+}
+
+void CUploadManager::Remove(const String& siaPath)
+{
+	
 }
\ No newline at end of file
diff --git a/SiaDrive.Api/UploadManager.h b/SiaDrive.Api/UploadManager.h
index 7b3183f..7716083 100644
--- a/SiaDrive.Api/UploadManager.h
+++ b/SiaDrive.Api/UploadManager.h
@@ -1,6 +1,7 @@
 #pragma once
 #include "AutoThread.h"
 #include "SQLiteCpp/Database.h"
+#include <deque>
 
 NS_BEGIN(Sia)
 NS_BEGIN(Api)
@@ -8,6 +9,25 @@ NS_BEGIN(Api)
 class AFX_EXT_CLASS CUploadManager :
 	public CAutoThread
 {
+public:
+	enum class _UploadStatus
+	{
+		NotFound,
+		Queued,
+		Uploading,
+		Complete,
+		Error
+	};
+
+private:
+	typedef struct
+	{
+		std::uint64_t Id;
+		String SiaPath;
+		String CachePath;
+		_UploadStatus Status;
+	} UploadData;
+
 public:
 	CUploadManager(const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig);
 
@@ -16,9 +36,19 @@ public:
 
 private:
 	SQLite::Database _uploadDatabase;
+	std::mutex _uploadMutex;
 
 protected:
 	virtual void AutoThreadCallback(const CSiaCurl& siaCurl, CSiaDriveConfig* siaDriveConfig) override;
+
+public:
+	_UploadStatus GetUploadStatus(const String& siaPath) const;
+	void AddOrUpdate(const String& siaPath, const String& filePath);
+	void Remove(const String& siaPath);
+	void PurgeCompleteStatus();
+	void PurgeErrorStatus();
 };
 
+typedef Sia::Api::CUploadManager::_UploadStatus UploadStatus;
+
 NS_END(2)
\ No newline at end of file