/*
  CommandImportFromXml.cpp

  This file is part of Charm, a task-based time tracking application.

  Copyright (C) 2007-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com

  Author: Mirko Boehm <mirko.boehm@kdab.com>
  Author: Frank Osterfeld <frank.osterfeld@kdab.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.

  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.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "CommandImportFromXml.h"
#include "Core/Controller.h"

#include <QDomDocument>
#include <QFile>

CommandImportFromXml::CommandImportFromXml(QString filename, QObject *parent)
    : CharmCommand(tr("Import from XML"), parent)
    , m_filename(filename)
{
}

CommandImportFromXml::~CommandImportFromXml()
{
}

bool CommandImportFromXml::prepare()
{
    return true;
}

bool CommandImportFromXml::execute(Controller *controller)
{
    QFile file(m_filename);
    if (file.open(QIODevice::ReadOnly)) {
        QDomDocument document;
        QString errorMessage;
        int errorLine = 0;
        int errorColumn = 0;
        if (document.setContent(&file, &errorMessage, &errorLine, &errorColumn)) {
            m_error = controller->importDatabaseFromXml(document);
        } else {
            m_error = tr("Cannot read the XML syntax of the specified file: [%1:%2] %3").arg(QString::number(
                                                                                                 errorLine),
                                                                                             QString::number(
                                                                                                 errorColumn),
                                                                                             errorMessage);
        }
    } else {
        m_error = tr("Cannot open the specified file: %1").arg(file.errorString());
    }
    return true;
}

bool CommandImportFromXml::finalize()
{
    // any errors?
    if (!m_error.isEmpty())
        showCritical(tr("Error importing the Database"),
                     tr("An error has occurred:\n%1").arg(m_error));
    return true;
}
