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inl/QxDao/QxDao_Insert_WithRelation.inl
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inl/QxDao/QxDao_Insert_WithRelation.inl
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/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 XDL Team (ic-east.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and XDL Team
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** ic-east.com
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**
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****************************************************************************/
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namespace qx
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{
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namespace dao
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{
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namespace detail
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{
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template <class T>
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struct QxDao_Insert_WithRelation_Generic
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{
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static QSqlError insert(const QStringList &relation, T &t, QSqlDatabase *pDatabase)
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{
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qx::dao::detail::QxDao_Helper<T> dao(t, pDatabase, "insert with relation", new qx::QxSqlQueryBuilder_Insert<T>());
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (dao.isReadOnly())
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{
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return dao.errReadOnly();
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}
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if (!dao.updateSqlRelationX(relation))
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{
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return dao.errInvalidRelation();
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}
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if (!pDatabase)
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{
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dao.transaction();
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}
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dao.quiet();
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qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&t));
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params.setDatabase((&dao.database()));
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qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnBeforeSave(params));
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}
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if (!dao.isValid())
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{
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return dao.error();
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}
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dao.updateError(qx::dao::insert(t, (&dao.database())));
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnAfterSave(params));
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}
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if (!dao.isValid())
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{
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return dao.error();
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}
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return dao.error();
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}
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};
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template <class T>
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struct QxDao_Insert_WithRelation_Container
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{
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static QSqlError insert(const QStringList &relation, T &t, QSqlDatabase *pDatabase)
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{
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typedef typename qx::trait::generic_container<T>::type_value_qx type_item;
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if (qx::trait::generic_container<T>::size(t) <= 0)
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{
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return QSqlError();
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}
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qx::dao::detail::QxDao_Helper_Container<T> dao(t, pDatabase, "insert with relation", new qx::QxSqlQueryBuilder_Insert<type_item>());
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (dao.isReadOnly())
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{
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return dao.errReadOnly();
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}
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if (!dao.updateSqlRelationX(relation))
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{
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return dao.errInvalidRelation();
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}
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if (!pDatabase)
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{
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dao.transaction();
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}
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dao.quiet();
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!insertItem((*it), dao))
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{
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return dao.error();
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}
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}
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return dao.error();
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}
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private:
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template <typename U>
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static inline bool insertItem(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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bool bInsertOk = insertItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::insert(item, dao);
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if (bInsertOk)
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{
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qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
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}
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return bInsertOk;
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}
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template <typename U, bool bIsPointer /* = true */>
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struct insertItem_Helper
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{
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static inline bool insert(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return (item ? qx::dao::detail::QxDao_Insert_WithRelation_Container<T>::insertItem((*item), dao) : true);
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}
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};
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template <typename U1, typename U2>
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struct insertItem_Helper<std::pair<U1, U2>, false>
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{
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static inline bool insert(std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Insert_WithRelation_Container<T>::insertItem(item.second, dao);
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}
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};
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template <typename U1, typename U2>
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struct insertItem_Helper<const std::pair<U1, U2>, false>
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{
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static inline bool insert(const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Insert_WithRelation_Container<T>::insertItem(item.second, dao);
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}
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};
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#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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template <typename U1, typename U2>
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struct insertItem_Helper<QPair<U1, U2>, false>
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{
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static inline bool insert(QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Insert_WithRelation_Container<T>::insertItem(item.second, dao);
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}
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};
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template <typename U1, typename U2>
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struct insertItem_Helper<const QPair<U1, U2>, false>
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{
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static inline bool insert(const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Insert_WithRelation_Container<T>::insertItem(item.second, dao);
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}
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};
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#endif // (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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template <typename U>
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struct insertItem_Helper<U, false>
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{
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static bool insert(U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&item));
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params.setDatabase((&dao.database()));
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qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnBeforeSave(params));
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}
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if (!dao.isValid())
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{
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return false;
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}
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dao.updateError(qx::dao::insert(item, (&dao.database())));
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if (!dao.isValid())
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{
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return false;
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}
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnAfterSave(params));
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}
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if (!dao.isValid())
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{
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return false;
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}
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return dao.isValid();
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}
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};
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};
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template <class T>
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struct QxDao_Insert_WithRelation_Ptr
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{
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static inline QSqlError insert(const QStringList &relation, T &t, QSqlDatabase *pDatabase)
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{
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return (t ? qx::dao::insert_with_relation(relation, (*t), pDatabase) : QSqlError());
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}
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};
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template <class T>
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struct QxDao_Insert_WithRelation
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{
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static inline QSqlError insert(const QString &relation, T &t, QSqlDatabase *pDatabase)
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{
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QStringList lst;
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if (!relation.isEmpty())
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{
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lst = relation.split("|");
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}
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return QxDao_Insert_WithRelation<T>::insert(lst, t, pDatabase);
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}
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static inline QSqlError insert(const QStringList &relation, T &t, QSqlDatabase *pDatabase)
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{
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typedef typename std::conditional<std::is_pointer<T>::value, qx::dao::detail::QxDao_Insert_WithRelation_Ptr<T>, qx::dao::detail::QxDao_Insert_WithRelation_Generic<T>>::type type_dao_1;
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typedef typename std::conditional<qx::trait::is_smart_ptr<T>::value, qx::dao::detail::QxDao_Insert_WithRelation_Ptr<T>, type_dao_1>::type type_dao_2;
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typedef typename std::conditional<qx::trait::is_container<T>::value, qx::dao::detail::QxDao_Insert_WithRelation_Container<T>, type_dao_2>::type type_dao_3;
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QSqlError error = type_dao_3::insert(relation, t, pDatabase);
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if (!error.isValid())
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{
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qx::dao::detail::QxDao_Keep_Original<T>::backup(t);
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}
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return error;
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}
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};
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} // namespace detail
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} // namespace dao
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} // namespace qx
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