diff options
| -rw-r--r-- | Game/Code/Classes/UDataBase.pas | 435 |
1 files changed, 243 insertions, 192 deletions
diff --git a/Game/Code/Classes/UDataBase.pas b/Game/Code/Classes/UDataBase.pas index 20b44c75..4dbb0334 100644 --- a/Game/Code/Classes/UDataBase.pas +++ b/Game/Code/Classes/UDataBase.pas @@ -17,45 +17,60 @@ uses USongs, //-------------------- type TStatResult = record - Case Typ: Byte of - 0: (Singer: ShortString; - Score: Word; - Difficulty: Byte; - SongArtist: ShortString; - SongTitle: ShortString); - - 1: (Player: ShortString; + case Typ: Byte of + 0: (Singer: ShortString; + Score: Word; + Difficulty: Byte; + SongArtist: ShortString; + SongTitle: ShortString); + + 1: (Player: ShortString; AverageScore: Word); - 2: (Artist: ShortString; - Title: ShortString; - TimesSung: Word); + 2: (Artist: ShortString; + Title: ShortString; + TimesSung: Word); 3: (ArtistName: ShortString; - TimesSungtot: Word); + TimesSungTot: Word); end; - AStatResult = Array of TStatResult; - + AStatResult = array of TStatResult; + +(* + 0: (Singer: WideString; + Score: Word; + Difficulty: Byte; + SongArtist: WideString; + SongTitle: WideString); + + 1: (Player: WideString; + AverageScore: Word); + + 2: (Artist: WideString; + Title: WideString; + TimesSung: Word); + + 3: (ArtistName: WideString; + TimesSungTot: Word); +*) + TDataBaseSystem = class private ScoreDB: TSqliteDatabase; - sFilename: string; - + fFilename: string; public + property Filename: string read fFilename; + destructor Destroy; override; - property Filename: String read sFilename; - - Destructor Destroy; override; - - Procedure Init(const Filename: string); - procedure ReadScore(Song: TSong); - procedure AddScore(Song: TSong; Level: integer; Name: string; Score: integer); - procedure WriteScore(Song: TSong); + procedure Init(const Filename: string); + procedure ReadScore(Song: TSong); + procedure AddScore(Song: TSong; Level: integer; const Name: WideString; Score: integer); + procedure WriteScore(Song: TSong); - Function GetStats(var Stats: AStatResult; const Typ, Count: Byte; const Page: Cardinal; const Reversed: Boolean): Boolean; - Function GetTotalEntrys(const Typ: Byte): Cardinal; - Function GetStatReset: TDateTime; + function GetStats(var Stats: AStatResult; Typ, Count: Byte; Page: Cardinal; Reversed: Boolean): Boolean; + function GetTotalEntrys(Typ: Byte): Cardinal; + function GetStatReset: TDateTime; end; var @@ -64,7 +79,6 @@ var implementation uses - IniFiles, ULog, StrUtils, SysUtils; @@ -78,46 +92,49 @@ const //Create - Opens Database and Create Tables if not Exist //-------------------- -Procedure TDataBaseSystem.Init(const Filename: string); +procedure TDataBaseSystem.Init(const Filename: string); begin + if Assigned(ScoreDB) then + Exit; + Log.LogStatus('Initializing database: "'+Filename+'"', 'TDataBaseSystem.Init'); - - //Open Database - ScoreDB := TSqliteDatabase.Create( Filename ); - sFilename := Filename; try - //Look for Tables => When not exist Create them - if not ScoreDB.TableExists( cUS_Scores ) then - begin - ScoreDB.execsql('CREATE TABLE `'+cUS_Scores+'` (`SongID` INT( 11 ) NOT NULL , `Difficulty` INT( 1 ) NOT NULL , `Player` VARCHAR( 150 ) NOT NULL , `Score` INT( 5 ) NOT NULL );'); - debugWriteln( 'TDataBaseSystem.Init - CREATED US_Scores' ); - end; - - if not ScoreDB.TableExists( cUS_Songs ) then + + //Open Database + ScoreDB := TSQLiteDatabase.Create(Filename); + fFilename := Filename; + + ScoreDB.ExecSQL('CREATE TABLE IF NOT EXISTS ['+cUS_Scores+'] (' + + '[SongID] INTEGER NOT NULL, ' + + '[Difficulty] INTEGER NOT NULL, ' + + '[Player] TEXT NOT NULL, ' + + '[Score] INTEGER NOT NULL' + + ');'); + + ScoreDB.ExecSQL('CREATE TABLE IF NOT EXISTS ['+cUS_Songs+'] (' + + '[ID] INTEGER PRIMARY KEY, ' + + '[Artist] TEXT NOT NULL, ' + + '[Title] TEXT NOT NULL, ' + + '[TimesPlayed] INTEGER NOT NULL' + + ');'); + + if not ScoreDB.TableExists(cUS_Statistics_Info) then begin - ScoreDB.execsql('CREATE TABLE `'+cUS_Songs+'` (`ID` INTEGER PRIMARY KEY, `Artist` VARCHAR( 255 ) NOT NULL , `Title` VARCHAR( 255 ) NOT NULL , `TimesPlayed` int(5) NOT NULL );'); - debugWriteln( 'TDataBaseSystem.Init - CREATED US_Songs' ); + ScoreDB.ExecSQL('CREATE TABLE IF NOT EXISTS ['+cUS_Statistics_Info+'] (' + + '[ResetTime] TEXT' + + ');'); + ScoreDB.ExecSQL('INSERT INTO ['+cUS_Statistics_Info+'] ' + + '([ResetTime]) VALUES ' + + '('''+DateTimeToStr(now)+''');'); end; - if not ScoreDB.TableExists( cUS_Statistics_Info ) then + except + on E: Exception do begin - ScoreDB.execsql('CREATE TABLE `'+cUS_Statistics_Info+'` (`ResetTime` VARCHAR(17) );'); - ScoreDB.execsql('INSERT INTO `'+cUS_Statistics_Info+'` (`ResetTime`) VALUES ("'+datetimetostr(now)+'");'); - debugWriteln( 'TDataBaseSystem.Init - CREATED US_Statistics_Info' ); + Log.LogError(E.Message, 'TDataBaseSystem.Init'); + FreeAndNil(ScoreDB); end; - - //Not possible because of String Limitation to 255 Chars //Need to rewrite Wrapper - {if not ScoreDB.TableExists('US_SongCache') then - ScoreDB.ExecSQL('CREATE TABLE `US_SongCache` (`Path` VARCHAR( 255 ) NOT NULL , `Filename` VARCHAR( 255 ) NOT NULL , `Title` VARCHAR( 255 ) NOT NULL , `Artist` VARCHAR( 255 ) NOT NULL , `Folder` VARCHAR( 255 ) NOT NULL , `Genre` VARCHAR( 255 ) NOT NULL , `Edition` VARCHAR( 255 ) NOT NULL , `Language` VARCHAR( 255 ) NOT NULL , `Creator` VARCHAR( 255 ) NOT NULL , `Cover` VARCHAR( 255 ) NOT NULL , `Background` VARCHAR( 255 ) NOT NULL , `Video` VARCHAR( 255 ) NOT NULL , `VideoGap` FLOAT NOT NULL , `Gap` FLOAT NOT NULL , `Start` FLOAT NOT NULL , `Finish` INT( 11 ) NOT NULL , `BPM` INT( 5 ) NOT NULL , `Relative` BOOLEAN NOT NULL , `NotesGap` INT( 11 ) NOT NULL);');} - - - finally - Log.LogInfo( cUS_Songs +' exists: ' + IfThen(ScoreDB.TableExists(cUS_Songs), 'true', 'false'), - 'TDataBaseSystem.Init'); - Log.LogInfo( cUS_Scores +' exists: ' + IfThen(ScoreDB.TableExists(cUS_Scores), 'true', 'false'), - 'TDataBaseSystem.Init'); - //ScoreDB.Free; end; end; @@ -125,10 +142,10 @@ end; //-------------------- //Destroy - Frees Database //-------------------- -Destructor TDataBaseSystem.Destroy; +destructor TDataBaseSystem.Destroy; begin Log.LogInfo('TDataBaseSystem.Free', 'TDataBaseSystem.Destroy'); - freeandnil( ScoreDB ); + ScoreDB.Free; inherited; end; @@ -140,100 +157,126 @@ var TableData: TSqliteTable; Difficulty: Integer; begin - if not assigned( ScoreDB ) then - exit; + if not Assigned(ScoreDB) then + Exit; + TableData := nil; - //ScoreDB := TSqliteDatabase.Create(sFilename); try - try - //Search Song in DB - TableData := ScoreDB.GetTable('SELECT `Difficulty`, `Player`, `Score` FROM `'+cUS_Scores+'` WHERE `SongID` = (SELECT `ID` FROM `us_songs` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '" LIMIT 1) ORDER BY `Score` DESC LIMIT 15'); - - //Empty Old Scores - SetLength (Song.Score[0], 0); - SetLength (Song.Score[1], 0); - SetLength (Song.Score[2], 0); - - while (not TableData.Eof) do //Go through all Entrys - begin //Add one Entry to Array - Difficulty := StrToIntDef(TableData.FieldAsString(TableData.FieldIndex['Difficulty']), -1); - if ((Difficulty >= 0) AND (Difficulty <= 2)) AND (Length(Song.Score[Difficulty]) < 5) then + // Search Song in DB + TableData := ScoreDB.GetTable( + 'SELECT [Difficulty], [Player], [Score] FROM ['+cUS_Scores+'] ' + + 'WHERE [SongID] = (' + + 'SELECT [ID] FROM ['+cUS_Songs+'] ' + + 'WHERE [Artist] = ? AND [Title] = ? ' + + 'LIMIT 1) ' + + 'ORDER BY [Score] DESC LIMIT 15', + [UTF8Encode(Song.Artist), UTF8Encode(Song.Title)]); + + // Empty Old Scores + SetLength(Song.Score[0], 0); + SetLength(Song.Score[1], 0); + SetLength(Song.Score[2], 0); + + // Go through all Entrys + while (not TableData.EOF) do + begin + // Add one Entry to Array + Difficulty := StrToIntDef(TableData.FieldAsString(TableData.FieldIndex['Difficulty']), -1); + if ((Difficulty >= 0) and (Difficulty <= 2)) and + (Length(Song.Score[Difficulty]) < 5) then begin SetLength(Song.Score[Difficulty], Length(Song.Score[Difficulty]) + 1); - Song.Score[Difficulty, high(Song.Score[Difficulty])].Name := - TableData.FieldAsString(TableData.FieldIndex['Player']); - Song.Score[Difficulty, high(Song.Score[Difficulty])].Score := + Song.Score[Difficulty, High(Song.Score[Difficulty])].Name := + UTF8Decode(TableData.FieldAsString(TableData.FieldIndex['Player'])); + Song.Score[Difficulty, High(Song.Score[Difficulty])].Score := StrtoInt(TableData.FieldAsString(TableData.FieldIndex['Score'])); end; - TableData.Next; - end; // While not TableData.EOF + 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; + except + for Difficulty := 0 to 2 do + begin + SetLength(Song.Score[Difficulty], 1); + Song.Score[Difficulty, 1].Name := 'Error Reading ScoreDB'; end; - - finally - //ScoreDb.Free; end; + + TableData.Free; end; //-------------------- //AddScore - Add one new Score to DB //-------------------- -procedure TDataBaseSystem.AddScore(Song: TSong; Level: integer; Name: string; Score: integer); +procedure TDataBaseSystem.AddScore(Song: TSong; Level: integer; const Name: WideString; Score: integer); var -ID: Integer; -TableData: TSqliteTable; + ID: Integer; + TableData: TSQLiteTable; begin - if not assigned( ScoreDB ) then - exit; + if not Assigned(ScoreDB) then + Exit; - //ScoreDB := TSqliteDatabase.Create(sFilename); - try //Prevent 0 Scores from being added - if (Score > 0) then - begin + if (Score <= 0) then + Exit; + + TableData := nil; + + try - ID := ScoreDB.GetTableValue('SELECT `ID` FROM `'+cUS_Songs+'` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '"'); + ID := ScoreDB.GetTableValue( + 'SELECT [ID] FROM ['+cUS_Songs+'] ' + + 'WHERE [Artist] = ? AND [Title] = ?', + [UTF8Encode(Song.Artist), UTF8Encode(Song.Title)]); if ID = 0 then //Song doesn't exist -> Create begin - ScoreDB.ExecSQL ('INSERT INTO `'+cUS_Songs+'` ( `ID` , `Artist` , `Title` , `TimesPlayed` ) VALUES (NULL , "' + Song.Artist + '", "' + Song.Title + '", "0");'); - ID := ScoreDB.GetTableValue('SELECT `ID` FROM `US_Songs` WHERE `Artist` = "' + Song.Artist + '" AND `Title` = "' + Song.Title + '"'); + ScoreDB.ExecSQL ( + 'INSERT INTO ['+cUS_Songs+'] ' + + '([ID], [Artist], [Title], [TimesPlayed]) VALUES ' + + '(NULL, ?, ?, 0);', + [UTF8Encode(Song.Artist), UTF8Encode(Song.Title)]); + ID := ScoreDB.GetTableValue( + 'SELECT [ID] FROM ['+cUS_Songs+'] ' + + 'WHERE [Artist] = ? AND [Title] = ?', + [UTF8Encode(Song.Artist), UTF8Encode(Song.Title)]); if ID = 0 then //Could not Create Table - exit; + Exit; end; //Create new Entry - ScoreDB.ExecSQL('INSERT INTO `'+cUS_Scores+'` ( `SongID` , `Difficulty` , `Player` , `Score` ) VALUES ("' + InttoStr(ID) + '", "' + InttoStr(Level) + '", "' + Name + '", "' + InttoStr(Score) + '");'); - - {//Old Deletion - if ScoreDB.GetTableValue('SELECT COUNT(`SongID`) FROM `'+cUS_Scores+'` WHERE `SongID` = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'"') > 5 then - begin - TableData := ScoreDB.GetTable('SELECT `Player`, `Score` FROM `'+cUS_Scores+'` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" ORDER BY `Score` ASC LIMIT 1'); - ScoreDB.ExecSQL('DELETE FROM `US_Scores` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" AND `Player` = "' + TableData.FieldAsString(TableData.FieldIndex['Player']) + '" AND `Score` = "' + TableData.FieldAsString(TableData.FieldIndex['Score']) + '"'); - end;} - - //Delete Last Position when there are more than 5 Entrys - Fixes Crash when there are > 5 ScoreEntrys - TableData := ScoreDB.GetTable('SELECT `Player`, `Score` FROM `'+cUS_Scores+'` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" ORDER BY `Score` DESC LIMIT -1 OFFSET 5'); - - While not TableData.Eof do + ScoreDB.ExecSQL( + 'INSERT INTO ['+cUS_Scores+'] ' + + '([SongID] ,[Difficulty], [Player], [Score]) VALUES ' + + '(?, ?, ?, ?);', + [ID, Level, UTF8Encode(Name), Score]); + + //Delete Last Position when there are more than 5 Entrys - Fixes Crash when there are > 5 ScoreEntrys + TableData := ScoreDB.GetTable( + 'SELECT [Player], [Score] FROM ['+cUS_Scores+'] ' + + 'WHERE [SongID] = ' + InttoStr(ID) + ' AND ' + + '[Difficulty] = ' + InttoStr(Level) +' ' + + 'ORDER BY [Score] DESC LIMIT -1 OFFSET 5'); + + while not TableData.EOF do begin - ScoreDB.ExecSQL('DELETE FROM `US_Scores` WHERE SongID = "' + InttoStr(ID) + '" AND `Difficulty` = "' + InttoStr(Level) +'" AND `Player` = "' + TableData.FieldAsString(TableData.FieldIndex['Player']) + '" AND `Score` = "' + TableData.FieldAsString(TableData.FieldIndex['Score']) + '"'); + ScoreDB.ExecSQL( + 'DELETE FROM ['+cUS_Scores+'] ' + + 'WHERE [SongID] = ' + InttoStr(ID) + ' AND ' + + '[Difficulty] = ' + InttoStr(Level) +' AND ' + + '[Player] = ? AND [Score] = ?', + [TableData.FieldAsString(TableData.FieldIndex['Player']), + TableData.FieldAsString(TableData.FieldIndex['Score'])]); TableData.Next; end; - - end; - finally - //ScoreDB.Free; + except on E: Exception do + Log.LogError(E.Message, 'TDataBaseSystem.AddScore'); end; + + TableData.Free; end; //-------------------- @@ -241,14 +284,18 @@ end; //-------------------- procedure TDataBaseSystem.WriteScore(Song: TSong); begin - if not assigned( ScoreDB ) then - exit; + if not Assigned(ScoreDB) then + Exit; try //Increase TimesPlayed - ScoreDB.ExecSQL ('UPDATE `'+cUS_Songs+'` SET `TimesPlayed` = `TimesPlayed` + "1" WHERE `Title` = "' + Song.Title + '" AND `Artist` = "' + Song.Artist + '";'); - except - + ScoreDB.ExecSQL( + 'UPDATE ['+cUS_Songs+'] ' + + 'SET [TimesPlayed] = [TimesPlayed] + 1 ' + + 'WHERE [Title] = ? AND [Artist] = ?;', + [UTF8Encode(Song.Title), UTF8Encode(Song.Artist)]); + except on E: Exception do + Log.LogError(E.Message, 'TDataBaseSystem.WriteScore'); end; end; @@ -260,15 +307,15 @@ end; //2 - Most sung Songs //3 - Most popular Band //-------------------- -Function TDataBaseSystem.GetStats(var Stats: AStatResult; const Typ, Count: Byte; const Page: Cardinal; const Reversed: Boolean): Boolean; +function TDataBaseSystem.GetStats(var Stats: AStatResult; Typ, Count: Byte; Page: Cardinal; Reversed: Boolean): Boolean; var Query: String; TableData: TSqliteTable; begin Result := False; - if not assigned( ScoreDB ) then - exit; + if not Assigned(ScoreDB) then + Exit; if (Length(Stats) < Count) then Exit; @@ -276,18 +323,27 @@ begin {Todo: Add Prevention that only Players with more than 5 Scores are Selected at Typ 2} //Create Query - Case Typ of - 0: Query := 'SELECT `Player` , `Difficulty` , `Score` , `Artist` , `Title` FROM `'+cUS_Scores+'` INNER JOIN `US_Songs` ON (`SongID` = `ID`) ORDER BY `Score`'; - 1: Query := 'SELECT `Player` , ROUND (Sum(`Score`) / COUNT(`Score`)) FROM `'+cUS_Scores+'` GROUP BY `Player` ORDER BY (Sum(`Score`) / COUNT(`Score`))'; - 2: Query := 'SELECT `Artist` , `Title` , `TimesPlayed` FROM `'+cUS_Songs+'` ORDER BY `TimesPlayed`'; - 3: Query := 'SELECT `Artist` , Sum(`TimesPlayed`) FROM `'+cUS_Songs+'` GROUP BY `Artist` ORDER BY Sum(`TimesPlayed`)'; + case Typ of + 0: begin + Query := 'SELECT [Player], [Difficulty], [Score], [Artist], [Title] FROM ['+cUS_Scores+'] ' + + 'INNER JOIN ['+cUS_Songs+'] ON ([SongID] = [ID]) ORDER BY [Score]'; + end; + 1: begin + Query := 'SELECT [Player], ROUND (Sum([Score]) / COUNT([Score])) FROM ['+cUS_Scores+'] ' + + 'GROUP BY [Player] ORDER BY (Sum([Score]) / COUNT([Score]))'; + end; + 2: begin + Query := 'SELECT [Artist], [Title], [TimesPlayed] FROM ['+cUS_Songs+'] ' + + 'ORDER BY [TimesPlayed]'; + end; + 3: begin + Query := 'SELECT [Artist], Sum([TimesPlayed]) FROM ['+cUS_Songs+'] ' + + 'GROUP BY [Artist] ORDER BY Sum([TimesPlayed])'; + end; end; //Add Order Direction - If Reversed then - Query := Query + ' ASC' - else - Query := Query + ' DESC'; + Query := Query + IfThen(Reversed, ' ASC', ' DESC'); //Add Limit Query := Query + ' LIMIT ' + InttoStr(Count * Page) + ', ' + InttoStr(Count) + ';'; @@ -296,44 +352,47 @@ begin try TableData := ScoreDB.GetTable(Query); except - exit; // this has a try except, because ( on linux at least ) it seems that doing a GetTable, that returns nothing - // causes an exception. and in the case of a new Database file, with no scores stored yet... this seems to except here. + on E: Exception do + begin + Log.LogError(E.Message, 'TDataBaseSystem.GetStats'); + Exit; + end; end; //if Result empty -> Exit if (TableData.RowCount < 1) then - exit; + Exit; //Copy Result to Stats Array - while not TableData.Eof do + while not TableData.EOF do begin Stats[TableData.Row].Typ := Typ; - Case Typ of + case Typ of 0:begin - Stats[TableData.Row].Singer := TableData.Fields[0]; + Stats[TableData.Row].Singer := UTF8Decode(TableData.Fields[0]); Stats[TableData.Row].Difficulty := StrtoIntDef(TableData.Fields[1], 0); Stats[TableData.Row].Score := StrtoIntDef(TableData.Fields[2], 0){TableData.FieldAsInteger(2)}; - Stats[TableData.Row].SongArtist := TableData.Fields[3]; - Stats[TableData.Row].SongTitle := TableData.Fields[4]; + Stats[TableData.Row].SongArtist := UTF8Decode(TableData.Fields[3]); + Stats[TableData.Row].SongTitle := UTF8Decode(TableData.Fields[4]); end; 1:begin - Stats[TableData.Row].Player := TableData.Fields[0]; + Stats[TableData.Row].Player := UTF8Decode(TableData.Fields[0]); Stats[TableData.Row].AverageScore := StrtoIntDef(TableData.Fields[1], 0); end; 2:begin - Stats[TableData.Row].Artist := TableData.Fields[0]; - Stats[TableData.Row].Title := TableData.Fields[1]; + Stats[TableData.Row].Artist := UTF8Decode(TableData.Fields[0]); + Stats[TableData.Row].Title := UTF8Decode(TableData.Fields[1]); Stats[TableData.Row].TimesSung := StrtoIntDef(TableData.Fields[2], 0); end; 3:begin - Stats[TableData.Row].ArtistName := TableData.Fields[0]; - Stats[TableData.Row].TimesSungtot := StrtoIntDef(TableData.Fields[1], 0); + Stats[TableData.Row].ArtistName := UTF8Decode(TableData.Fields[0]); + Stats[TableData.Row].TimesSungTot := StrtoIntDef(TableData.Fields[1], 0); end; end; @@ -341,52 +400,34 @@ begin TableData.Next; end; + TableData.Free; Result := True; end; //-------------------- //GetTotalEntrys - Get Total Num of entrys for a Stats Query //-------------------- -Function TDataBaseSystem.GetTotalEntrys(const Typ: Byte): Cardinal; -var Query: String; +function TDataBaseSystem.GetTotalEntrys(Typ: Byte): Cardinal; +var + Query: String; begin Result := 0; - if not assigned( ScoreDB ) then - exit; + if not Assigned(ScoreDB) then + Exit; try //Create Query - Case Typ of - 0: begin - Query := 'SELECT COUNT(`SongID`) FROM `'+cUS_Scores+'`;'; - if not ScoreDB.TableExists( cUS_Scores ) then - exit; - end; - 1: begin - Query := 'SELECT COUNT(DISTINCT `Player`) FROM `'+cUS_Scores+'`;'; - if not ScoreDB.TableExists( cUS_Scores ) then - exit; - end; - 2: begin - Query := 'SELECT COUNT(`ID`) FROM `'+cUS_Songs+'`;'; - if not ScoreDB.TableExists( cUS_Songs ) then - exit; - end; - 3: begin - Query := 'SELECT COUNT(DISTINCT `Artist`) FROM `'+cUS_Songs+'`;'; - if not ScoreDB.TableExists( cUS_Songs ) then - exit; - end; + case Typ of + 0: Query := 'SELECT COUNT([SongID]) FROM ['+cUS_Scores+'];'; + 1: Query := 'SELECT COUNT(DISTINCT [Player]) FROM ['+cUS_Scores+'];'; + 2: Query := 'SELECT COUNT([ID]) FROM ['+cUS_Songs+'];'; + 3: Query := 'SELECT COUNT(DISTINCT [Artist]) FROM ['+cUS_Songs+'];'; end; - + Result := ScoreDB.GetTableValue(Query); - except - // TODO : JB_Linux - Why do we get these exceptions on linux !! -> should be solved! - on E:ESQLiteException DO - begin - exit; - end; + except on E: Exception do + Log.LogError(E.Message, 'TDataBaseSystem.GetTotalEntrys'); end; end; @@ -394,17 +435,27 @@ end; //-------------------- //GetStatReset - Get reset date of statistic data //-------------------- -Function TDataBaseSystem.GetStatReset: TDateTime; +function TDataBaseSystem.GetStatReset: TDateTime; var - Query: String; - TableData: TSqliteTable; + Query: string; + TableData: TSQLiteTable; begin - if not assigned( ScoreDB ) then - exit; + Result := 0; + + if not Assigned(ScoreDB) then + Exit; + + TableData := nil; + + try + Query := 'SELECT [ResetTime] FROM ['+cUS_Statistics_Info+'];'; + TableData := ScoreDB.GetTable(Query); + Result := StrToDateTime(TableData.Fields[0]); + except on E: Exception do + Log.LogError(E.Message, 'TDataBaseSystem.GetStatReset'); + end; - Query := 'SELECT `ResetTime` FROM `'+cUS_Statistics_Info+'`;'; - TableData := ScoreDB.GetTable(Query); - result:=StrToDateTime(TableData.Fields[0]); + TableData.Free; end; end. |