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root/src/entitymanager.h @ 81c23b56
81c23b56 | Christian Ehringfeld | /*
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Header File Entity Manager
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Copyright (C) 2013 Christian Ehringfeld <c.ehringfeld@t-online.de>
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This file is part of OpenTeacherTool.
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OpenTeacherTool is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenTeacherTool is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenTeacherTool. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ENTITYMANAGER_H
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#define ENTITYMANAGER_H
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#include <QtSql/QSqlDatabase>
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#include <QtSql/QSqlRecord>
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#include <QtSql/QSqlField>
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#include <QString>
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#include <QStringList>
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#include <QDebug>
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#include <QtSql/QSqlError>
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#include "entity.h"
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#include "database.h"
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namespace OpenTeacherTool {
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class EntityManager
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{
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private:
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static QStringList connectionNames;
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static void setConnectionNames(QStringList list);
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Database *db;
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QString createConnection();
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QString createTableQuery(Entity *entity);
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QString attributes(QHash<QString, QVariant> *m, QString conjunction=",", bool ignoreID = false);
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QList<QHash<QString, QVariant> > convertQueryResult(QSqlQuery &q);
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bool checkTable(Entity *entity);
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QString buildCreateQuery(QHash<QString,QVariant>::const_iterator i, QHash<QString,QVariant>::const_iterator end,QString &p1, QString &p2);
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void bindValues(const QHash<QString, QVariant> *h, QSqlQuery &q, bool ignoreID = false);
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protected:
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QString where(Entity *entity,QString conjunction=",",bool ignoreID = false);
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QString where(QHash<QString, QVariant> *m,QString conjunction=",", bool ignoreID = false);
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public:
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EntityManager(QSqlDatabase database);
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EntityManager(const QString &databaseType, QString databasename = "" , QString hostname="", QString username ="", QString password="", QString port="");
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~EntityManager();
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static QStringList getConnectionNames();
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static void removeConnectionName(const QString &name);
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bool create(Entity *entity);
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bool save(Entity *entity);
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qint64 findId(Entity *entity);
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QList<QHash<QString,QVariant> > findAll(QString tblname);
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QHash<QString,QVariant> find(qint64 id, QString tblname);
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QList<QHash<QString, QVariant> > findByAttributes(Entity *entity,bool ignoreID = false);
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QList<QHash<QString, QVariant> > findByAttributes(QHash<QString, QVariant> *m, const QString &tblname, bool ignoreID = false);
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bool merge(Entity *entity);
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bool remove(Entity *&entity);
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bool removeAll(QString tblname);
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bool createTable(Entity *entity);
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qint8 count(Entity* entity, bool ignoreID= true);
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};
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}
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#endif // ENTITYMANAGER_H
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