115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
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/**************************************************************************
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**
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** This file is part of Nut project.
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** https://github.com/HamedMasafi/Nut
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**
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** Nut is free software: you can redistribute it and/or modify
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** it under the terms of the GNU Lesser 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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**
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** Nut 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 Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with Nut. If not, see <http://www.gnu.org/licenses/>.
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**
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**************************************************************************/
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#ifndef TABLESCHEEMA_H
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#define TABLESCHEEMA_H
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#include <QtCore/QVariant>
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#include <QDebug>
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class QJsonObject;
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class TableScheema;
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struct Field{
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Field() : name(QString::null), length(0), defaultValue(QString::null),
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notNull(false), isPrimaryKey(false), isAutoIncrement(false)
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{
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}
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QString name;
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QVariant::Type type;
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int length;
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QString defaultValue;
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bool notNull;
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bool isPrimaryKey;
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bool isAutoIncrement;
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bool operator ==(const Field &f) const{
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bool b = name == f.name
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&& type == f.type
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&& length == f.length
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&& defaultValue == f.defaultValue
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&& notNull == f.notNull;
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return b;
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}
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bool operator !=(const Field &f) const{
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return !(*this == f);
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}
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};
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struct Relation{
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QString className;
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QString localColumn;
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TableScheema *table;
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QString foregionColumn;
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};
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class TableScheema
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{
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public:
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TableScheema(int typeId, QString tableName);
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TableScheema(QJsonObject json, QString tableName);
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QJsonObject toJson() const;
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// static TableScheema *registerTable(int typeId, QString tableName);
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// static void createForegionKeys();
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// static TableScheema* scheema(QString className);
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Field *field(QString name) const;
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Relation *foregionKey(QString otherTable) const;
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QString toString() const;
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QString primaryKey() const;
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QString name() const;
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void setName(const QString &name);
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QString className() const;
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void setClassName(const QString &className);
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int typeId() const;
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void setTypeId(const int &typeId);
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QList<Field *> fields() const;
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QList<Relation *> foregionKeys() const;
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QStringList fieldsNames() const;
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static TableScheema *findByTypeId(int typeId);
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static TableScheema *findByName(QString name);
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static TableScheema *findByClassName(QString className);
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bool operator ==(const TableScheema &t) const;
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bool operator !=(const TableScheema &t) const;
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private:
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QString _name;
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QString _className;
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int _typeId;
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QList<Field*> _fields;
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QList<Relation*> _foregionKeys;
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static QSet<TableScheema*>_allModels;
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};
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#endif // TABLESCHEEMA_H
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