Reorganized and cleaned up the solution.

Include/Game/RealmUserManager.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <memory>
+#include <mutex>
+#include <vector>
+#include <string>
+#include <random>
+
+#include "RealmUser.hpp"
+
+class UserManager {
+private:
+
+public:
+	static UserManager &Get()
+	{
+		static UserManager instance;
+		return instance;
+	}
+
+	UserManager( const UserManager & ) = delete;
+	UserManager &operator=( const UserManager & ) = delete;
+	UserManager();
+	~UserManager();
+
+	std::wstring GenerateSessionId();
+	sptr_user CreateUser( sptr_socket socket, RealmGameType clientType );
+	void RemoveUser( sptr_user user );
+	void RemoveUser( const std::wstring &sessionId );
+	void RemoveUser( const sptr_socket socket );
+	void Disconnect( sptr_socket socket, const std::string reason );
+	void Disconnect( sptr_user user, const std::string reason );
+
+	sptr_user FindUserBySessionId( const std::wstring &sessionId );
+	sptr_user FindUserBySocket( const sptr_socket &socket );
+	sptr_user FindUserByChatHandle( const std::wstring &handle );
+	int32_t GetUserCount() const;
+	std::vector< sptr_user > GetUserList();
+
+	void NotifyFriendsOnlineStatus( const sptr_user &user, bool onlineStatus );
+
+private:
+	std::mutex m_mutex;
+	std::vector< sptr_user > m_users;
+	std::mt19937 rng;
+};