FileIo.h

/*
	This file is part of cpp-ethereum.

	cpp-ethereum 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 3 of the License, or
	(at your option) any later version.

	cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file FileIo.h
 * @author Arkadiy Paronyan arkadiy@ethdev.com
 * @date 2015
 * Ethereum IDE client.
 */

#pragma once

#include <libdevcore/CommonData.h>
#include <QObject>

class QFileSystemWatcher;

namespace dev
{
namespace mix
{

///File services for QML
class FileIo: public QObject
{
	Q_OBJECT
	Q_PROPERTY(QString homePath READ getHomePath CONSTANT)

signals:
	/// Signalled in case of IO error
	void error(QString const& _errorText);
	/// Signnalled when a file is changed.
	void fileChanged(QString const& _filePath);

public:
	FileIo();
	/// Create a directory if it does not exist. Signals on failure.
	Q_INVOKABLE void makeDir(QString const& _url);
	/// Read file contents to a string. Signals on failure.
	Q_INVOKABLE QString readFile(QString const& _url);
	/// Write contents to a file. Signals on failure.
	Q_INVOKABLE void writeFile(QString const& _url, QString const& _data);
	/// Copy a file from _sourcePath to _destPath. Signals on failure.
	Q_INVOKABLE void copyFile(QString const& _sourceUrl, QString const& _destUrl);
	/// Move (rename) a file from _sourcePath to _destPath. Signals on failure.
	Q_INVOKABLE void moveFile(QString const& _sourceUrl, QString const& _destUrl);
	/// Check if file exists
	Q_INVOKABLE bool fileExists(QString const& _url);
	/// Compress a folder, @returns sha3 of the compressed file.
	Q_INVOKABLE QStringList makePackage(QString const& _deploymentFolder);
	/// Open a file browser.
	Q_INVOKABLE void openFileBrowser(QString const& _dir);
	/// Listen for files change in @arg _path.
	Q_INVOKABLE void watchFileChanged(QString const& _path);
	/// Stop Listenning for files change in @arg _path.
	Q_INVOKABLE void stopWatching(QString const& _path);
	/// Delete a file
	Q_INVOKABLE void deleteFile(QString const& _path);

private:
	QString getHomePath() const;
	QString pathFromUrl(QString const& _url);
	QFileSystemWatcher* m_watcher;
};

}
}