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-rw-r--r--src/base/UDataBase.pas138
1 files changed, 122 insertions, 16 deletions
diff --git a/src/base/UDataBase.pas b/src/base/UDataBase.pas
index 85b4b8e8..cccedc69 100644
--- a/src/base/UDataBase.pas
+++ b/src/base/UDataBase.pas
@@ -38,7 +38,8 @@ uses
SQLiteTable3,
UPath,
USong,
- USongs;
+ USongs,
+ UTextEncoding;
//--------------------
//DataBaseSystem - Class including all DB methods
@@ -100,6 +101,7 @@ type
destructor Destroy; override;
procedure Init(const Filename: IPath);
+ procedure ConvertFrom101To110();
procedure ReadScore(Song: TSong);
procedure AddScore(Song: TSong; Level: integer; const Name: UTF8String; Score: integer);
procedure WriteScore(Song: TSong);
@@ -207,17 +209,11 @@ begin
'[Rating] INTEGER NULL' +
');');
- // convert data from 1.01 to 1.1
- // part #2 - accomplishment
- if finalizeConversion then
+ //add column date to cUS-Scores
+ if not ScoreDB.ContainsColumn(cUS_Scores, 'Date') then
begin
- Log.LogInfo('Outdated song database found - begin conversion from V1.01 to V1.1', 'TDataBaseSystem.Init');
- // insert old values into new db-schemes (/tables)
- ScoreDB.ExecSQL('INSERT INTO ' + cUS_Scores + ' SELECT SongID, Difficulty, Player, Score FROM us_scores_101;');
- ScoreDB.ExecSQL('INSERT INTO ' + cUS_Songs + ' SELECT ID, Artist, Title, TimesPlayed, ''NULL'' FROM us_songs_101;');
- //now drop old tables
- ScoreDB.ExecSQL('DROP TABLE us_scores_101;');
- ScoreDB.ExecSQL('DROP TABLE us_songs_101;');
+ Log.LogInfo('adding column date to "' + cUS_Scores + '"', 'TDataBaseSystem.Init');
+ ScoreDB.ExecSQL('ALTER TABLE ' + cUS_Scores + ' ADD COLUMN [Date] INTEGER NULL');
end;
// add column rating to cUS_Songs
@@ -228,12 +224,13 @@ begin
ScoreDB.ExecSQL('ALTER TABLE ' + cUS_Songs + ' ADD COLUMN [Rating] INTEGER NULL');
end;
-
- //add column date to cUS-Scores
- if not ScoreDB.ContainsColumn(cUS_Scores, 'Date') then
+ // convert data from previous versions
+ // part #2 - accomplishment
+ if finalizeConversion then
begin
- Log.LogInfo('adding column date to "' + cUS_Scores + '"', 'TDataBaseSystem.Init');
- ScoreDB.ExecSQL('ALTER TABLE ' + cUS_Scores + ' ADD COLUMN [Date] INTEGER NULL');
+ //convert data from 1.01 to 1.1
+ if ScoreDB.TableExists('us_scores_101') then
+ ConvertFrom101To110();
end;
except
@@ -247,6 +244,115 @@ begin
end;
(**
+ * Convert Database from 1.01 to 1.1
+ *)
+procedure TDataBaseSystem.ConvertFrom101To110();
+var
+ TableData: TSQLiteUniTable;
+ tempUTF8String: UTF8String;
+begin
+ if not ScoreDB.ContainsColumn('us_scores_101', 'Date') then
+ begin
+ Log.LogInfo(
+ 'Outdated song database found - ' +
+ 'begin conversion from V1.01 to V1.1', 'TDataBaseSystem.Convert101To110');
+
+ // insert old values into new db-schemes (/tables)
+ ScoreDB.ExecSQL(
+ 'INSERT INTO ' + cUS_Scores +
+ ' SELECT SongID, Difficulty, Player, Score FROM us_scores_101;');
+ end else
+ begin
+ Log.LogInfo(
+ 'Outdated song database found - ' +
+ 'begin conversion from V1.01 Challenge Mod to V1.1', 'TDataBaseSystem.Convert101To110');
+
+ // insert old values into new db-schemes (/tables)
+ ScoreDB.ExecSQL(
+ 'INSERT INTO ' + cUS_Scores +
+ ' SELECT SongID, Difficulty, Player, Score, Date FROM us_scores_101;');
+ end;
+
+ ScoreDB.ExecSQL(
+ 'INSERT INTO ' + cUS_Songs +
+ ' SELECT ID, Artist, Title, TimesPlayed, ''NULL'' FROM us_songs_101;');
+
+ // now we have to convert all the texts for unicode support:
+
+ // player names
+ TableData := nil;
+ try
+ TableData := ScoreDB.GetUniTable(
+ 'SELECT [rowid], [Player] ' +
+ 'FROM [' + cUS_Scores + '];');
+
+ // Go through all Entrys
+ while (not TableData.EOF) do
+ begin
+ // Convert name into UTF8 and alter all entrys
+ DecodeStringUTF8(TableData.FieldByName['Player'], tempUTF8String, encCP1252);
+ ScoreDB.ExecSQL(
+ 'UPDATE [' + cUS_Scores + '] ' +
+ 'SET [Player] = ? ' +
+ 'WHERE [rowid] = ? ',
+ [tempUTF8String,
+ TableData.FieldAsInteger(TableData.FieldIndex['rowid'])]);
+
+ TableData.Next;
+ end; // while
+
+ except
+ on E: Exception do
+ Log.LogError(E.Message, 'TDataBaseSystem.Convert101To110');
+ end;
+
+ TableData.Free;
+
+ // song artist and song title
+ TableData := nil;
+ try
+ TableData := ScoreDB.GetUniTable(
+ 'SELECT [ID], [Artist], [Title] ' +
+ 'FROM [' + cUS_Songs + '];');
+
+ // Go through all Entrys
+ while (not TableData.EOF) do
+ begin
+ // Convert Artist into UTF8 and alter all entrys
+ DecodeStringUTF8(TableData.FieldByName['Artist'], tempUTF8String, encCP1252);
+ //Log.LogError(TableData.FieldByName['Artist']+' -> '+tempUTF8String+' (encCP1252)');
+ ScoreDB.ExecSQL(
+ 'UPDATE [' + cUS_Songs + '] ' +
+ 'SET [Artist] = ? ' +
+ 'WHERE [ID] = ?',
+ [tempUTF8String,
+ TableData.FieldAsInteger(TableData.FieldIndex['ID'])]);
+
+ // Convert Title into UTF8 and alter all entrys
+ DecodeStringUTF8(TableData.FieldByName['Title'], tempUTF8String, encCP1252);
+ ScoreDB.ExecSQL(
+ 'UPDATE [' + cUS_Songs + '] ' +
+ 'SET [Title] = ? ' +
+ 'WHERE [ID] = ? ',
+ [tempUTF8String,
+ TableData.FieldAsInteger(TableData.FieldIndex['ID'])]);
+
+ TableData.Next;
+ end; // while
+
+ except
+ on E: Exception do
+ Log.LogError(E.Message, 'TDataBaseSystem.Convert101To110');
+ end;
+
+ TableData.Free;
+
+ //now drop old tables
+ ScoreDB.ExecSQL('DROP TABLE us_scores_101;');
+ ScoreDB.ExecSQL('DROP TABLE us_songs_101;');
+end;
+
+(**
* Frees Database
*)
destructor TDataBaseSystem.Destroy;