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/****************************************************************************
**
** 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
**
****************************************************************************/
namespace qx
{
namespace dao
{
namespace detail
{
template <class T>
struct QxDao_Save_Generic
{
static QSqlError save(T &t, QSqlDatabase *pDatabase)
{
qx::dao::detail::QxDao_Helper<T> dao(t, pDatabase, "save", new qx::QxSqlQueryBuilder_Update<T>());
if (!dao.isValid())
{
return dao.error();
}
if (!pDatabase)
{
dao.transaction();
}
dao.quiet();
qx_bool bExist = dao.isValidPrimaryKey(t);
if (bExist)
{
bExist = qx::dao::exist(t, (&dao.database()));
}
if (bExist)
{
dao.updateError(qx::dao::update(t, (&dao.database())));
}
else
{
dao.updateError(qx::dao::insert(t, (&dao.database())));
}
return dao.error();
}
};
template <class T>
struct QxDao_Save_Container
{
static QSqlError save(T &t, QSqlDatabase *pDatabase)
{
typedef typename qx::trait::generic_container<T>::type_value_qx type_item;
if (qx::trait::generic_container<T>::size(t) <= 0)
{
return QSqlError();
}
qx::dao::detail::QxDao_Helper_Container<T> dao(t, pDatabase, "save", new qx::QxSqlQueryBuilder_Update<type_item>());
if (!dao.isValid())
{
return dao.error();
}
if (!pDatabase)
{
dao.transaction();
}
dao.quiet();
for (typename T::iterator it = t.begin(); it != t.end(); ++it)
{
if (!saveItem((*it), dao))
{
return dao.error();
}
}
return dao.error();
}
private:
template <typename U>
static inline bool saveItem(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
bool bSaveOk = saveItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::save(item, dao);
if (bSaveOk)
{
qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
}
return bSaveOk;
}
template <typename U, bool bIsPointer /* = true */>
struct saveItem_Helper
{
static inline bool save(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return (item ? qx::dao::detail::QxDao_Save_Container<T>::saveItem((*item), dao) : false);
}
};
template <typename U1, typename U2>
struct saveItem_Helper<std::pair<U1, U2>, false>
{
static inline bool save(std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Save_Container<T>::saveItem(item.second, dao);
}
};
template <typename U1, typename U2>
struct saveItem_Helper<const std::pair<U1, U2>, false>
{
static inline bool save(const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Save_Container<T>::saveItem(item.second, dao);
}
};
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
template <typename U1, typename U2>
struct saveItem_Helper<QPair<U1, U2>, false>
{
static inline bool save(QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Save_Container<T>::saveItem(item.second, dao);
}
};
template <typename U1, typename U2>
struct saveItem_Helper<const QPair<U1, U2>, false>
{
static inline bool save(const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Save_Container<T>::saveItem(item.second, dao);
}
};
#endif // (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
template <typename U>
struct saveItem_Helper<U, false>
{
static bool save(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
qx_bool bExist = dao.isValidPrimaryKey(item);
if (bExist)
{
bExist = qx::dao::exist(item, (&dao.database()));
}
if (bExist)
{
dao.updateError(qx::dao::update(item, (&dao.database())));
}
else
{
dao.updateError(qx::dao::insert(item, (&dao.database())));
}
return dao.isValid();
}
};
};
template <class T>
struct QxDao_Save_Ptr
{
static inline QSqlError save(T &t, QSqlDatabase *pDatabase)
{
return (t ? qx::dao::save((*t), pDatabase) : QSqlError());
}
};
template <class T>
struct QxDao_Save
{
static inline QSqlError save(T &t, QSqlDatabase *pDatabase)
{
typedef typename std::conditional<std::is_pointer<T>::value, qx::dao::detail::QxDao_Save_Ptr<T>, qx::dao::detail::QxDao_Save_Generic<T>>::type type_dao_1;
typedef typename std::conditional<qx::trait::is_smart_ptr<T>::value, qx::dao::detail::QxDao_Save_Ptr<T>, type_dao_1>::type type_dao_2;
typedef typename std::conditional<qx::trait::is_container<T>::value, qx::dao::detail::QxDao_Save_Container<T>, type_dao_2>::type type_dao_3;
QSqlError error = type_dao_3::save(t, pDatabase);
if (!error.isValid())
{
qx::dao::detail::QxDao_Keep_Original<T>::backup(t);
}
return error;
}
};
} // namespace detail
} // namespace dao
} // namespace qx