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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_Update_Generic
{
static QSqlError update(const qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase, const QStringList &columns, bool bUseExecBatch)
{
Q_UNUSED(bUseExecBatch); // Useful only with containers
qx::dao::detail::QxDao_Helper<T> dao(t, pDatabase, "update", new qx::QxSqlQueryBuilder_Update<T>(), (&query));
if (!dao.isValid())
{
return dao.error();
}
if (dao.isReadOnly())
{
return dao.errReadOnly();
}
if (!dao.isValidPrimaryKey(t))
{
return dao.errInvalidId();
}
if (!dao.validateInstance(t))
{
return dao.error();
}
#ifdef _QX_ENABLE_MONGODB
if (dao.isMongoDB())
{
qx::dao::on_before_update<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
QString ctx = QString("mongodb") + ((columns.count() > 0) ? (QString(":columns{,") + columns.join(",") + QString(",}")) : QString());
qx::dao::mongodb::QxMongoDB_Helper::updateOne((&dao), dao.getDataMemberX()->getClass(), qx::serialization::json::to_string(t, 1, ctx), (&query));
if (!dao.isValid())
{
return dao.error();
}
qx::dao::on_after_update<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
return dao.error();
}
#endif // _QX_ENABLE_MONGODB
QString sql = dao.builder().buildSql(columns).getSqlQuery();
if (!dao.getDataId() || sql.isEmpty())
{
return dao.errEmpty();
}
if (!query.isEmpty())
{
dao.addQuery(false);
sql = dao.builder().getSqlQuery();
}
if (!pDatabase)
{
dao.transaction();
}
if (!dao.prepare(sql))
{
return dao.errFailed(true);
}
IxSqlGenerator *pSqlGenerator = dao.getSqlGenerator();
if (pSqlGenerator)
{
pSqlGenerator->onBeforeUpdate((&dao), (&t));
}
qx::dao::on_before_update<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
{
qx::dao::detail::IxDao_Timer timer((&dao), qx::dao::detail::IxDao_Helper::timer_cpp_read_instance);
qx::dao::detail::QxSqlQueryHelper_Update<T>::resolveInput(t, dao.query(), dao.builder(), columns);
}
if (!query.isEmpty())
{
query.resolve(dao.query());
}
if (!dao.exec(true))
{
return dao.errFailed();
}
if (pSqlGenerator)
{
pSqlGenerator->onAfterUpdate((&dao), (&t));
}
qx::dao::on_after_update<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
return dao.error();
}
};
template <class T>
struct QxDao_Update_Container
{
static QSqlError update(const qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase, const QStringList &columns, bool bUseExecBatch)
{
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, "update", new qx::QxSqlQueryBuilder_Update<type_item>(), (&query));
if (!dao.isValid())
{
return dao.error();
}
if (dao.isReadOnly())
{
return dao.errReadOnly();
}
if (!dao.validateInstance(t))
{
return dao.error();
}
dao.setUseExecBatch(bUseExecBatch);
#ifdef _QX_ENABLE_MONGODB
if (dao.isMongoDB())
{
dao.setSqlColumns(columns);
for (typename T::iterator it = t.begin(); it != t.end(); ++it)
{
if (!updateItem((*it), dao))
{
return dao.error();
}
}
QStringList &itemsAsJson = dao.itemsAsJson();
qx::dao::mongodb::QxMongoDB_Helper::updateMany((&dao), dao.getDataMemberX()->getClass(), itemsAsJson, (&query));
if (!dao.isValid())
{
return dao.error();
}
dao.qxQuery().queryAt(2, "<done>");
dao.itemsAsJson().clear();
for (typename T::iterator it = t.begin(); it != t.end(); ++it)
{
if (!updateItem((*it), dao))
{
return dao.error();
}
}
return dao.error();
}
#endif // _QX_ENABLE_MONGODB
QString sql = dao.builder().buildSql(columns).getSqlQuery();
if (!dao.getDataId() || sql.isEmpty())
{
return dao.errEmpty();
}
if (!query.isEmpty())
{
dao.addQuery(false);
sql = dao.builder().getSqlQuery();
}
if (!pDatabase)
{
dao.transaction();
}
if (!dao.prepare(sql))
{
return dao.errFailed(true);
}
dao.setSqlColumns(columns);
for (typename T::iterator it = t.begin(); it != t.end(); ++it)
{
if (!updateItem((*it), dao))
{
return dao.error();
}
}
if (bUseExecBatch && (!dao.exec()))
{
return dao.errFailed();
}
return dao.error();
}
private:
template <typename U>
static inline bool updateItem(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
bool bUpdateOk = updateItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::update(item, dao);
if (bUpdateOk)
{
qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
}
return bUpdateOk;
}
template <typename U, bool bIsPointer /* = true */>
struct updateItem_Helper
{
static inline bool update(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return (item ? qx::dao::detail::QxDao_Update_Container<T>::updateItem((*item), dao) : true);
}
};
template <typename U1, typename U2>
struct updateItem_Helper<std::pair<U1, U2>, false>
{
static inline bool update(std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Update_Container<T>::updateItem(item.second, dao);
}
};
template <typename U1, typename U2>
struct updateItem_Helper<const std::pair<U1, U2>, false>
{
static inline bool update(const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Update_Container<T>::updateItem(item.second, dao);
}
};
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
template <typename U1, typename U2>
struct updateItem_Helper<QPair<U1, U2>, false>
{
static inline bool update(QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Update_Container<T>::updateItem(item.second, dao);
}
};
template <typename U1, typename U2>
struct updateItem_Helper<const QPair<U1, U2>, false>
{
static inline bool update(const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
return qx::dao::detail::QxDao_Update_Container<T>::updateItem(item.second, dao);
}
};
#endif // (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
template <typename U>
struct updateItem_Helper<U, false>
{
static bool update(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
{
QStringList columns = dao.getSqlColumns();
#ifdef _QX_ENABLE_MONGODB
if (dao.isMongoDB())
{
if (dao.qxQuery().queryAt(2) == "<done>")
{
qx::dao::on_after_update<U>((&item), (&dao));
return dao.isValid();
}
QString ctx = QString("mongodb") + ((columns.count() > 0) ? (QString(":columns{,") + columns.join(",") + QString(",}")) : QString());
qx::dao::on_before_update<U>((&item), (&dao));
if (!dao.isValid())
{
return false;
}
dao.itemsAsJson().append(qx::serialization::json::to_string(item, 1, ctx));
return dao.isValid();
}
#endif // _QX_ENABLE_MONGODB
if (!dao.isValidPrimaryKey(item))
{
dao.errInvalidId();
return false;
}
IxSqlGenerator *pSqlGenerator = dao.getSqlGenerator();
if (pSqlGenerator)
{
pSqlGenerator->onBeforeUpdate((&dao), (&item));
}
qx::dao::on_before_update<U>((&item), (&dao));
if (!dao.isValid())
{
return false;
}
{
qx::dao::detail::IxDao_Timer timer((&dao), qx::dao::detail::IxDao_Helper::timer_cpp_read_instance);
qx::dao::detail::QxSqlQueryHelper_Update<U>::resolveInput(item, dao.query(), dao.builder(), columns);
}
dao.resolveQuery();
if (dao.getUseExecBatch())
{
return dao.isValid();
}
if (!dao.exec(true))
{
dao.errFailed();
return false;
}
if (pSqlGenerator)
{
pSqlGenerator->onAfterUpdate((&dao), (&item));
}
qx::dao::on_after_update<U>((&item), (&dao));
if (!dao.isValid())
{
return false;
}
return dao.isValid();
}
};
};
template <class T>
struct QxDao_Update_Ptr
{
static inline QSqlError update(const qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase, const QStringList &columns, bool bUseExecBatch)
{
return (t ? qx::dao::update_by_query(query, (*t), pDatabase, columns, bUseExecBatch) : QSqlError());
}
};
template <class T>
struct QxDao_Update
{
static inline QSqlError update(const qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase, const QStringList &columns, bool bUseExecBatch = false)
{
typedef typename std::conditional<std::is_pointer<T>::value, qx::dao::detail::QxDao_Update_Ptr<T>, qx::dao::detail::QxDao_Update_Generic<T>>::type type_dao_1;
typedef typename std::conditional<qx::trait::is_smart_ptr<T>::value, qx::dao::detail::QxDao_Update_Ptr<T>, type_dao_1>::type type_dao_2;
typedef typename std::conditional<qx::trait::is_container<T>::value, qx::dao::detail::QxDao_Update_Container<T>, type_dao_2>::type type_dao_3;
QSqlError error = type_dao_3::update(query, t, pDatabase, columns, bUseExecBatch);
if (!error.isValid())
{
qx::dao::detail::QxDao_Keep_Original<T>::backup(t);
}
return error;
}
};
} // namespace detail
} // namespace dao
} // namespace qx