From 0c8ed6c9a4000af8f48581a81c4b5c2f5b9fd502 Mon Sep 17 00:00:00 2001
From: Michele Calgaro <michele.calgaro@yahoo.it>
Date: Sun, 13 Oct 2024 11:56:14 +0900
Subject: Rearrange folders structure to remove unnecessary 'krecipes' second
 level subfolder

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
---
 src/convert_sqlite3.cpp | 121 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/convert_sqlite3.cpp

(limited to 'src/convert_sqlite3.cpp')

diff --git a/src/convert_sqlite3.cpp b/src/convert_sqlite3.cpp
new file mode 100644
index 0000000..ddb144e
--- /dev/null
+++ b/src/convert_sqlite3.cpp
@@ -0,0 +1,121 @@
+/***************************************************************************
+*   Copyright (C) 2005 by                                                 *
+*   Jason Kivlighn (jkivlighn@gmail.com                                   *
+*                                                                         *
+*   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.                                   *
+***************************************************************************/
+
+#include "convert_sqlite3.h"
+
+#include <tqapplication.h>
+#include <tqfile.h>
+
+#include <kdebug.h>
+#include <tdeglobal.h>
+#include <tdeconfig.h>
+#include <tdemessagebox.h>
+#include <kprocio.h>
+
+//FIXME: Some messages should be given to the user about success/failure, but that can't be done in the 0.8.x branch due to i18n.
+
+ConvertSQLite3::ConvertSQLite3( const TQString &db_file ) : TQObject(), error(false)
+{
+	TQString file = db_file;
+	if ( file.isEmpty() ) {
+		TDEConfig *config = TDEGlobal::config();
+		config->setGroup("Server");
+		file = config->readEntry("DBFile");
+	}
+
+	KProcIO *p = new KProcIO;
+	p->setUseShell(true);
+
+	//sqlite OLD.DB .dump | sqlite3 NEW.DB
+	*p << "sqlite" << file << ".dump" <<
+	  "|" << "sqlite3" << file+".new";
+
+	TQApplication::connect( p, TQ_SIGNAL(readReady(KProcIO*)), this, TQ_SLOT(processOutput(KProcIO*)) );
+
+	bool success = p->start( TDEProcess::Block, true );
+	if ( !success ) {
+		kdDebug()<<"Conversion failed... unable to start TDEProcess"<<endl;
+		return;
+	}
+
+	if ( error )
+		return;
+
+
+	TQString backup_file = file+".sqlite2";
+	int i = 1;
+	while ( TQFile::exists(backup_file) ) {
+		backup_file = backup_file.left(file.length()+8)+"."+TQString::number(i);
+		++i;
+	}
+
+	if ( !copyFile( file, backup_file ) ) {
+		kdDebug()<<"Unable to backup SQLite 2 database... aborting"<<endl
+		  <<"A successfully converted SQLite 3 file is available at \""<<file<<".new\"."<<endl;
+	}
+	else {
+		kdDebug()<<"SQLite 2 database backed up to "<<backup_file<<endl;
+		if ( !copyFile( file+".new", file ) ) {
+			kdDebug()<<"Unable to copy the new SQLite 3 database to: "<<file<<"."<<endl
+			  <<"You may manually move \""<<file<<".new\" to \""<<file<<"\""<<endl;
+		}
+		else {
+			kdDebug()<<"Conversion successful!"<<endl;
+			TQFile::remove(file+".new");
+		}
+	}
+}
+
+ConvertSQLite3::~ConvertSQLite3()
+{
+}
+
+void ConvertSQLite3::processOutput( KProcIO* p )
+{
+	TQString error_str, buffer;
+	while ( p->readln(buffer) != -1 ) {
+		error_str += buffer;
+	}
+
+	KMessageBox::error( 0, error_str );
+
+	error = true;
+
+	p->ackRead();
+}
+
+bool ConvertSQLite3::copyFile( const TQString &oldFilePath, const TQString &newFilePath )
+{
+	//load both files
+	TQFile oldFile(oldFilePath);
+	TQFile newFile(newFilePath);
+	bool openOld = oldFile.open( IO_ReadOnly );
+	bool openNew = newFile.open( IO_WriteOnly );
+	
+	//if either file fails to open bail
+	if(!openOld || !openNew) { return false; }
+	
+	//copy contents
+	uint BUFFER_SIZE = 16000;
+	char* buffer = new char[BUFFER_SIZE];
+	while(!oldFile.atEnd())
+	{
+		TQ_ULONG len = oldFile.readBlock( buffer, BUFFER_SIZE );
+		newFile.writeBlock( buffer, len );
+	}
+	
+	//deallocate buffer
+	delete[] buffer;
+	buffer = NULL;
+	return true;
+}
+
+#include "convert_sqlite3.moc"
+
-- 
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