/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and XDL Team
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
**
** If you are unsure which license is appropriate for your use, or
** if you have questions regarding the use of this file, please contact :
** ic-east.com
**
****************************************************************************/

#include <QxPrecompiled.h>

#include <QxDao/QxSqlElement/QxSqlSort.h>

#include <QxMemLeak/mem_leak.h>

namespace qx
{
   namespace dao
   {
      namespace detail
      {

         QxSqlSort::QxSqlSort() : IxSqlElement(0), m_type(QxSqlSort::_order_asc) { ; }

         QxSqlSort::QxSqlSort(int index, QxSqlSort::type t) : IxSqlElement(index), m_type(t) { ; }

         QxSqlSort::~QxSqlSort() { ; }

         IxSqlElement::type_class QxSqlSort::getTypeClass() const { return IxSqlElement::_sql_sort; }

         QString QxSqlSort::toString() const
         {
            qAssert(m_lstColumns.count() >= 1);
            QString sReturn;

            switch (m_type)
            {
            case _order_asc:
               sReturn = "ORDER BY ";
               break;
            case _order_desc:
               sReturn = "ORDER BY ";
               break;
            case _group_by:
               sReturn = "GROUP BY ";
               break;
            default:
               qAssert(false);
            }

            for (int i = 0; i < m_lstColumns.count(); i++)
            {
               sReturn += ((i == 0) ? QString("") : QString(", "));
               QString sColumn = m_lstColumns.at(i);
               qAssert(!sColumn.isEmpty());

               switch (m_type)
               {
               case _order_asc:
                  sReturn += sColumn + " ASC";
                  break;
               case _order_desc:
                  sReturn += sColumn + " DESC";
                  break;
               case _group_by:
                  sReturn += sColumn;
                  break;
               }
            }

            return sReturn;
         }

         void QxSqlSort::resolve(QSqlQuery &query, qx::QxCollection<QString, QVariantList> *pLstExecBatch /* = NULL */) const
         {
            Q_UNUSED(query);
            Q_UNUSED(pLstExecBatch);
         }

         void QxSqlSort::postProcess(QString &sql) const { Q_UNUSED(sql); }

         QString QxSqlSort::getExtraSettings() const { return QString::number(static_cast<int>(m_type)); }

         void QxSqlSort::setExtraSettings(const QString &s) { m_type = static_cast<QxSqlSort::type>(s.toInt()); }

      } // namespace detail
   } // namespace dao
} // namespace qx
