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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_ExecuteQuery_Generic
{
static QSqlError executeQuery(qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase)
{
qx::dao::detail::QxDao_Helper<T> dao(t, pDatabase, "execute custom sql query or stored procedure", new qx::QxSqlQueryBuilder_Count<T>());
if (!dao.isValid())
{
return dao.error();
}
#ifdef _QX_ENABLE_MONGODB
if (dao.isMongoDB())
{
qx::dao::on_before_fetch<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
qx::dao::mongodb::QxMongoDB_Helper::executeCommand((&dao), dao.getDataMemberX()->getClass(), (&query));
if (!dao.isValid())
{
return dao.error();
}
QString json = query.response().toString();
qx::serialization::json::from_string(t, json, 1, "mongodb");
qx::dao::on_after_fetch<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
return dao.error();
}
#endif // _QX_ENABLE_MONGODB
QString sql = query.query();
if (sql.isEmpty())
{
return dao.errEmpty();
}
dao.builder().setSqlQuery(sql);
if (!dao.prepare(sql))
{
return dao.errFailed(true);
}
query.resolve(dao.query());
if (!dao.exec(true))
{
return dao.errFailed();
}
query.resolveOutput(dao.query(), false);
if (!dao.nextRecord())
{
return dao.error();
}
qx::dao::on_before_fetch<T>((&t), (&dao));
if (!dao.isValid())
{
return dao.error();
}
qx::IxDataMemberX *pDataMemberX = dao.builder().getDataMemberX();
if (!pDataMemberX)
{
qAssert(false);
return dao.error();
}
QSqlRecord record = dao.query().record();
for (int i = 0; i < record.count(); i++)
{
if (!pDataMemberX->exist_WithDaoStrategy(record.fieldName(i)))
{
continue;
}
qx::IxDataMember *pDataMember = pDataMemberX->get_WithDaoStrategy(record.fieldName(i));
if (pDataMember)
{
pDataMember->fromVariant((&t), record.value(i), -1, qx::cvt::context::e_database);
}
}
qx::dao::on_after_fetch<T>((&t), (&dao));
return dao.error();
}
};
template <class T>
struct QxDao_ExecuteQuery_Container
{
static QSqlError executeQuery(qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase)
{
typedef typename qx::trait::generic_container<T>::type_value_qx type_item;
qx::trait::generic_container<T>::clear(t);
qx::IxSqlQueryBuilder *pBuilder = new qx::QxSqlQueryBuilder_Count<type_item>();
qx::dao::detail::QxDao_Helper_Container<T> dao(t, pDatabase, "execute custom sql query or stored procedure", pBuilder);
if (!dao.isValid())
{
return dao.error();
}
#ifdef _QX_ENABLE_MONGODB
if (dao.isMongoDB())
{
qx::dao::mongodb::QxMongoDB_Helper::executeCommand((&dao), dao.getDataMemberX()->getClass(), (&query));
if (!dao.isValid())
{
return dao.error();
}
QString json = query.response().toString();
qx::serialization::json::from_string(t, json, 1, "mongodb");
return dao.error();
}
#endif // _QX_ENABLE_MONGODB
QString sql = query.query();
if (sql.isEmpty())
{
return dao.errEmpty();
}
dao.builder().setSqlQuery(sql);
if (!dao.prepare(sql))
{
return dao.errFailed(true);
}
query.resolve(dao.query());
if (!dao.exec(true))
{
return dao.errFailed();
}
query.resolveOutput(dao.query(), false);
QVector<QPair<int, qx::IxDataMember *>> vColumnToFetch;
bool bSize = (dao.hasFeature(QSqlDriver::QuerySize) && (dao.query().size() > 0));
if (bSize)
{
qx::trait::generic_container<T>::reserve(t, dao.query().size());
}
while (dao.nextRecord())
{
insertNewItem(t, dao, vColumnToFetch);
if (!dao.isValid())
{
return dao.error();
}
}
if (bSize)
{
qAssert(qx::trait::generic_container<T>::size(t) == static_cast<long>(dao.query().size()));
}
return dao.error();
}
private:
static void insertNewItem(T &t, qx::dao::detail::QxDao_Helper_Container<T> &dao, QVector<QPair<int, qx::IxDataMember *>> &vColumnToFetch)
{
typedef typename qx::trait::generic_container<T>::type_item type_item;
typedef typename type_item::type_value_qx type_value_qx;
type_item item = qx::trait::generic_container<T>::createItem();
type_value_qx &item_val = item.value_qx();
qx::IxDataMember *pId = dao.getDataId();
QVariant vId;
qx::dao::on_before_fetch<type_value_qx>((&item_val), (&dao));
if (!dao.isValid())
{
return;
}
if (vColumnToFetch.count() <= 0)
{
qx::IxDataMemberX *pDataMemberX = dao.builder().getDataMemberX();
if (!pDataMemberX)
{
qAssert(false);
return;
}
QSqlRecord record = dao.query().record();
vColumnToFetch.reserve(record.count());
for (int i = 0; i < record.count(); i++)
{
if (!pDataMemberX->exist_WithDaoStrategy(record.fieldName(i)))
{
continue;
}
qx::IxDataMember *pDataMember = pDataMemberX->get_WithDaoStrategy(record.fieldName(i));
if (pDataMember)
{
vColumnToFetch.append(qMakePair(i, pDataMember));
}
}
}
for (int j = 0; j < vColumnToFetch.count(); j++)
{
QVariant vValue = dao.query().value(vColumnToFetch[j].first);
vColumnToFetch[j].second->fromVariant((&item_val), vValue, -1, qx::cvt::context::e_database);
if (pId == vColumnToFetch[j].second)
{
vId = vValue;
}
}
if (!vId.isValid())
{
vId = QVariant(static_cast<qlonglong>(qx::trait::generic_container<T>::size(t)));
}
qx::cvt::from_variant(vId, item.key(), "", -1, qx::cvt::context::e_database);
qx::dao::on_after_fetch<type_value_qx>((&item_val), (&dao));
if (!dao.isValid())
{
return;
}
qx::dao::detail::QxDao_Keep_Original<type_item>::backup(item);
qx::trait::generic_container<T>::insertItem(t, item);
}
};
template <class T>
struct QxDao_ExecuteQuery_Ptr
{
static inline QSqlError executeQuery(qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase)
{
if (!t)
{
qx::trait::construct_ptr<T>::get(t);
};
return qx::dao::execute_query(query, (*t), pDatabase);
}
};
template <class T>
struct QxDao_ExecuteQuery
{
static inline QSqlError executeQuery(qx::QxSqlQuery &query, T &t, QSqlDatabase *pDatabase)
{
typedef typename std::conditional<std::is_pointer<T>::value, qx::dao::detail::QxDao_ExecuteQuery_Ptr<T>, qx::dao::detail::QxDao_ExecuteQuery_Generic<T>>::type type_dao_1;
typedef typename std::conditional<qx::trait::is_smart_ptr<T>::value, qx::dao::detail::QxDao_ExecuteQuery_Ptr<T>, type_dao_1>::type type_dao_2;
typedef typename std::conditional<qx::trait::is_container<T>::value, qx::dao::detail::QxDao_ExecuteQuery_Container<T>, type_dao_2>::type type_dao_3;
QSqlError error = type_dao_3::executeQuery(query, t, pDatabase);
if (!error.isValid())
{
qx::dao::detail::QxDao_Keep_Original<T>::backup(t);
}
return error;
}
};
} // namespace detail
} // namespace dao
} // namespace qx