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diff --git a/src/base/database.hpp b/src/base/database.hpp
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+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef DATABASE_HPP
+#define DATABASE_HPP
+
+#include <time.h>
+#include <sqlite3.h>
+#include <iostream>
+#include <string>
+
+namespace usdx
+{
+	class StatResult;
+
+	/* Wrapper for statistic database */
+	class StatDatabase
+	{
+	private:
+		std::string filename;
+		sqlite3 *database;
+
+		// Singleton
+		StatDatabase(std::string filename);
+
+		static StatDatabase* instance;
+	public:
+		static StatDatabase* get_instance();
+
+		~StatDatabase(void);
+
+		static void init(const std::string filename);
+
+		int get_version(void);
+		void set_version(int version);
+
+/*		void read_score(Song *song);
+		void add_score(Song *song, int level, const char* name, int score);
+		void write_score(Song *song);
+*/
+		const std::string get_filename(void);
+
+		StatResult* get_stats(StatResult *list, short count, unsigned int page, bool reversed);
+//		unsigned int get_total_entrys(StatType type);
+
+		time_t get_stat_reset(void);
+		char* format_date(char* time, size_t max, time_t timestamp);
+	};
+
+	/* Element for linked list with pointer to next */
+	class StatResult
+	{
+	private:
+		StatResult() {};
+		StatResult(const StatResult &source) {};
+		void operator=(const StatResult &source) {};
+
+	protected:
+		StatResult *next;
+
+	public:
+		virtual ~StatResult(void);
+	};
+
+	class StatResultBestScores : StatResult
+	{
+	private:
+		char *singer;
+		unsigned short score;
+		unsigned short difficulty;
+		char *song_artist;
+		char *song_title;
+		time_t date;
+
+	public:
+		StatResultBestScores(
+			char *singer,
+			unsigned short score,
+			unsigned short difficulty,
+			char* song_artist,
+			char* song_title,
+			time_t date);
+		~StatResultBestScores(void);
+	};
+
+	class StatResultBestSingers : StatResult
+	{
+	private:
+		char *singer;
+		unsigned short average_score;
+
+	public:
+		StatResultBestSingers(char *singer, unsigned short average_score);
+		~StatResultBestSingers(void);
+	};
+
+	class StatResultMostSungSong : StatResult
+	{
+	private:
+		char *song_artist;
+		char *song_title;
+		unsigned short times_sung;
+
+	public:
+		StatResultMostSungSong(char* song_artist, char* song_title, unsigned short times_sung);
+		~StatResultMostSungSong(void);
+	};
+
+	class StatResultMostSungBand : StatResult
+	{
+	private:
+		char *song_artist;
+		unsigned short times_sung;
+
+	public:
+		StatResultMostSungBand(char* song_artist, unsigned short times_sung);
+		~StatResultMostSungBand(void);
+	};
+};
+
+#endif