119 lines
2.9 KiB
C++
119 lines
2.9 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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#include "databasemodel.h"
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#include "tablescheema.h"
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#include <QJsonObject>
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DatabaseModel::DatabaseModel() : QList<TableScheema*>()
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{
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}
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TableScheema *DatabaseModel::scheema(QString tableName) const
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{
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for(int i = 0; i < size(); i++){
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TableScheema *s = at(i);
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if(s->name() == tableName)
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return s;
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}
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return 0;
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}
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TableScheema *DatabaseModel::scheemaByClass(QString className) const
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{
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for(int i = 0; i < size(); i++){
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TableScheema *s = at(i);
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if(s->className() == className)
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return s;
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}
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return 0;
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}
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bool DatabaseModel::operator ==(const DatabaseModel &other) const
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{
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if(size() != other.size())
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return false;
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for(int i = 0; i < size(); i++){
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TableScheema *mine = at(i);
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TableScheema *others = other.scheema(mine->name());
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if(!others)
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return false;
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if(*mine != *others)
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return false;
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}
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return true;
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}
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QJsonObject DatabaseModel::toJson() const
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{
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QJsonObject obj;
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for(int i = 0; i < size(); i++){
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TableScheema *s = at(i);
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obj.insert(s->name(), s->toJson());
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}
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return obj;
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}
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Relation *DatabaseModel::relationByClassNames(QString masterClassName, QString childClassName)
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{
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TableScheema *childTable = scheemaByClass(childClassName);
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if(!childTable)
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return 0;
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foreach (Relation *rel, childTable->foregionKeys())
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if(rel->className == masterClassName)
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return rel;
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return 0;
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}
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Relation *DatabaseModel::relationByTableNames(QString masterTableName, QString childTableName)
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{
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TableScheema *childTable = scheema(childTableName);
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if(!childTable)
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return 0;
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foreach (Relation *rel, childTable->foregionKeys())
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if(rel->table->name() == masterTableName)
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return rel;
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return 0;
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}
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DatabaseModel DatabaseModel::fromJson(QJsonObject &json)
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{
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DatabaseModel model;
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foreach (QString key, json.keys()) {
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TableScheema *sch = new TableScheema(json.value(key).toObject(), key);
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model.append(sch);
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}
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return model;
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}
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