TSdlBasedMetaInfoDelegate.h

// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ImtCore-Commercial
#pragma once
 
 
// Qt includes
#include<QtCore/QJsonDocument>
#include<QtCore/QJsonObject>
 
// ACF includes
#include <imod/TModelWrap.h>
#include <idoc/CStandardDocumentMetaInfo.h>
 
// ImtCore includes
#include <imtdb/IJsonBasedMetaInfoDelegate.h>
 
 
namespace imtdbgql
{
 
 
template<class MetaInfoRepresentation>
class TSdlBasedMetaInfoDelegate: virtual public imtdb::IJsonBasedMetaInfoDelegate
{
public:
       virtual bool ToJsonRepresentation(const idoc::IDocumentMetaInfo& metaInfo, QByteArray& json, const QByteArray& typeId) const override;
       virtual bool FromJsonRepresentation(const QByteArray& json, idoc::IDocumentMetaInfo& metaInfo, const QByteArray& typeId) const override;
 
protected:
       virtual bool FillRepresentation(MetaInfoRepresentation& metaInfoRepresentation, const idoc::IDocumentMetaInfo& metaInfo, const QByteArray& typeId) const = 0;
       virtual bool FillMetaInfo(idoc::IDocumentMetaInfo& metaInfo, const MetaInfoRepresentation& metaInfoRepresentation, const QByteArray& typeId) const = 0;
};
 
 
template<class MetaInfoRepresentation>
bool TSdlBasedMetaInfoDelegate<MetaInfoRepresentation>::ToJsonRepresentation(const idoc::IDocumentMetaInfo& metaInfo, QByteArray& json, const QByteArray& typeId) const
{
       MetaInfoRepresentation representation;
       if (FillRepresentation(representation, metaInfo, typeId)){
              QJsonObject object;
 
              if (representation.WriteToJsonObject(object)){
                     QJsonDocument document(object);
                     json = document.toJson(QJsonDocument::Compact);
 
                     return !json.isEmpty();
              }
       }
 
       return false;
}
 
 
template<class MetaInfoRepresentation>
bool TSdlBasedMetaInfoDelegate<MetaInfoRepresentation>::FromJsonRepresentation(const QByteArray& json, idoc::IDocumentMetaInfo& metaInfo, const QByteArray& typeId) const
{
       QJsonDocument document;
       QJsonParseError error;
       document = document.fromJson(json, &error);
       if (document.isObject() && error.error == QJsonParseError::NoError){
              QJsonObject object = document.object();
              MetaInfoRepresentation representation;
              if (representation.ReadFromJsonObject(object)){
                     if (FillMetaInfo(metaInfo, representation, typeId)){
                            return true;
                     }
              }
       }
 
       return false;
}
 
 
 
} // namespace imtdbgql