/*
* 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.
*
* $URL$
* $Id$
*/
#include "database.hpp"
#include <string.h>
#include <sstream>
namespace usdx
{
const int db_version = 1;
const char usdx_scores[] = "us_scores";
const char usdx_songs[] = "us_songs";
const char usdx_statistics_info[] = "us_statistics_info";
StatDatabase* StatDatabase::instance;
StatDatabase::StatDatabase(const std::string filename)
{
this->filename = filename;
if (SQLITE_OK != sqlite3_open_v2(this->filename.c_str(), &this->database, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL)) {
sqlite3_close(database);
throw "Error opening database.";
}
}
StatDatabase::~StatDatabase(void)
{
/* frees database */
// TODO: LOG
// Log->get_instance()->info("StatDatabase::~StatDatabase") << "~StatDatabase" << endl;
sqlite3_close(database);
database = NULL;
}
StatDatabase* StatDatabase::get_instance()
{
return instance;
}
void StatDatabase::init(const std::string filename)
{
// TODO: LOG
// Log->get_instance()->status("StatDatabase::init") << "Initializing database: \"" << filename->to_native() << "\"" << endl;
instance = new StatDatabase(filename);
// TODO
}
int StatDatabase::get_version(void)
{
char sqlStatement[] = "PRAGMA user_version;";
sqlite3_stmt *sqliteStatement;
int result = -1;
if (SQLITE_OK != sqlite3_prepare_v2(database, sqlStatement, strlen(sqlStatement), &sqliteStatement, NULL)) {
sqlite3_finalize(sqliteStatement);
throw "Error preparing statement.";
}
int rc = sqlite3_step(sqliteStatement);
if (rc == SQLITE_DONE || rc == SQLITE_ROW) {
result = sqlite3_column_int(sqliteStatement, 0);
}
sqlite3_finalize(sqliteStatement);
return result;
}
void StatDatabase::set_version(int version)
{
// format the PRAGMA statement (PRAGMA does _not_ support parameters)
std::ostringstream sqlStatementBuffer (std::ostringstream::out);
sqlStatementBuffer << "PRAGMA user_version = " << version << ";";
std::string sqlStatement = sqlStatementBuffer.str();
sqlite3_stmt *sqliteStatement;
if (SQLITE_OK != sqlite3_prepare_v2(database, sqlStatement.c_str(), sqlStatement.length(), &sqliteStatement, NULL)) {
sqlite3_finalize(sqliteStatement);
// TODO: LOG
// std::cerr << sqlite3_errmsg(database) << std::endl;
throw "Error preparing statement.";
}
sqlite3_bind_int(sqliteStatement, 1, version);
sqlite3_step(sqliteStatement);
sqlite3_finalize(sqliteStatement);
}
/* void StatDatabase::read_score(Song *song)
{
// TODO
// var
// TableData: TSQLiteUniTable;
// Difficulty: integer;
// I: integer;
// PlayerListed: boolean;
// begin
// if not Assigned(ScoreDB) then
// Exit;
// TableData := nil;
// try
// // Search Song in DB
// TableData := ScoreDB.GetUniTable(
// 'SELECT [Difficulty], [Player], [Score], [Date] FROM [' + cUS_Scores + '] ' +
// 'WHERE [SongID] = (' +
// 'SELECT [ID] FROM [' + cUS_Songs + '] ' +
// 'WHERE [Artist] = ? AND [Title] = ? ' +
// 'LIMIT 1) ' +
// 'ORDER BY [Score] DESC;', //no LIMIT! see filter below!
// [Song.Artist, Song.Title]);
// // Empty Old Scores
// SetLength(Song.Score[0], 0); //easy
// SetLength(Song.Score[1], 0); //medium
// SetLength(Song.Score[2], 0); //hard
// // Go through all Entrys
// while (not TableData.EOF) do
// begin
// // Add one Entry to Array
// Difficulty := TableData.FieldAsInteger(TableData.FieldIndex['Difficulty']);
// if ((Difficulty >= 0) and (Difficulty <= 2)) and
// (Length(Song.Score[Difficulty]) < 5) then
// begin
// //filter player
// PlayerListed:=false;
// if (Length(Song.Score[Difficulty])>0) then
// begin
// for I := 0 to Length(Song.Score[Difficulty]) - 1 do
// begin
// if (Song.Score[Difficulty, I].Name = TableData.FieldByName['Player']) then
// begin
// PlayerListed:=true;
// break;
// end;
// end;
// end;
// if not PlayerListed then
// begin
// SetLength(Song.Score[Difficulty], Length(Song.Score[Difficulty]) + 1);
// Song.Score[Difficulty, High(Song.Score[Difficulty])].Name :=
// TableData.FieldByName['Player'];
// Song.Score[Difficulty, High(Song.Score[Difficulty])].Score :=
// TableData.FieldAsInteger(TableData.FieldIndex['Score']);
// Song.Score[Difficulty, High(Song.Score[Difficulty])].Date :=
// FormatDate(TableData.FieldAsInteger(TableData.FieldIndex['Date']));
// end;
// end;
// TableData.Next;
// end; // while
// except
// for Difficulty := 0 to 2 do
// begin
// SetLength(Song.Score[Difficulty], 1);
// Song.Score[Difficulty, 1].Name := 'Error Reading ScoreDB';
// end;
// end;
// TableData.Free;
}
void StatDatabase::add_score(Song *song, int level, const char* name, int score)
{
// TODO
// var
// ID: integer;
// TableData: TSQLiteTable;
// begin
// if not Assigned(ScoreDB) then
// Exit;
// // Prevent 0 Scores from being added EDIT: ==> UScreenTop5.pas!
// //if (Score <= 0) then
// // Exit;
// TableData := nil;
// try
// ID := ScoreDB.GetTableValue(
// 'SELECT [ID] FROM [' + cUS_Songs + '] ' +
// 'WHERE [Artist] = ? AND [Title] = ?',
// [Song.Artist, Song.Title]);
// if (ID = 0) then
// begin
// // Create song if it does not exist
// ScoreDB.ExecSQL(
// 'INSERT INTO [' + cUS_Songs + '] ' +
// '([ID], [Artist], [Title], [TimesPlayed]) VALUES ' +
// '(NULL, ?, ?, 0);',
// [Song.Artist, Song.Title]);
// // Get song-ID
// ID := ScoreDB.GetLastInsertRowID();
// end;
// // Create new entry
// ScoreDB.ExecSQL(
// 'INSERT INTO [' + cUS_Scores + '] ' +
// '([SongID] ,[Difficulty], [Player], [Score], [Date]) VALUES ' +
// '(?, ?, ?, ?, ?);',
// [ID, Level, Name, Score, DateTimeToUnix(Now())]);
// except on E: Exception do
// Log.LogError(E.Message, 'TDataBaseSystem.AddScore');
// end;
// TableData.Free;
}
void StatDatabase::write_score(Song *song)
{
// TODO
// if not Assigned(ScoreDB) then
// Exit;
// try
// // Increase TimesPlayed
// ScoreDB.ExecSQL(
// 'UPDATE [' + cUS_Songs + '] ' +
// 'SET [TimesPlayed] = [TimesPlayed] + 1 ' +
// 'WHERE [Title] = ? AND [Artist] = ?;',
// [Song.Title, Song.Artist]);
// except on E: Exception do
// Log.LogError(E.Message, 'TDataBaseSystem.WriteScore');
// end;
}
*/
const std::string StatDatabase::get_filename(void)
{
return this->filename;
}
StatResult* StatDatabase::get_stats(StatResult *list, short count, unsigned int page, bool reversed)
{
// TODO
return NULL;
}
/* unsigned int StatDatabase::get_total_entrys(StatType type)
{
// TODO
// var
// Query: string;
// begin
// Result := 0;
// if not Assigned(ScoreDB) then
// Exit;
// try
// // Create query
// case Typ of
// stBestScores:
// Query := 'SELECT COUNT([SongID]) FROM [' + cUS_Scores + '];';
// stBestSingers:
// Query := 'SELECT COUNT(DISTINCT [Player]) FROM [' + cUS_Scores + '];';
// stMostSungSong:
// Query := 'SELECT COUNT([ID]) FROM [' + cUS_Songs + '];';
// stMostPopBand:
// Query := 'SELECT COUNT(DISTINCT [Artist]) FROM [' + cUS_Songs + '];';
// end;
// Result := ScoreDB.GetTableValue(Query);
// except on E: Exception do
// Log.LogError(E.Message, 'TDataBaseSystem.GetTotalEntrys');
// end;
}
*/
time_t StatDatabase::get_stat_reset(void)
{
// TODO
// var
// Query: string;
// begin
// Result := 0;
// if not Assigned(ScoreDB) then
// Exit;
// try
// Query := 'SELECT [ResetTime] FROM [' + cUS_Statistics_Info + '];';
// Result := UnixToDateTime(ScoreDB.GetTableValue(Query));
// except on E: Exception do
// Log.LogError(E.Message, 'TDataBaseSystem.GetStatReset');
// end;
return 0;
}
char* StatDatabase::format_date(char* time, size_t max, time_t timestamp)
{
// TODO
// if (timestamp != 0) {
// struct tm *tmp = localtime(×tamp);
// if (tmp) {
// if (strftime(time, max, Language.Translate("STAT_FORMAT_DATE"), tmp)) {
// return time;
// }
// }
// }
// if (max > 0) {
// time[0] = '\0';
// return time;
// }
return NULL;
}
/* recursive delete the list items */
StatResult::~StatResult(void)
{
if (this->next) {
delete this->next;
this->next = NULL;
}
}
};
