privmsgmodel.h

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/*    -*-C++-*- -*-coding: utf-8-unix;-*-
    Classified Ads is Copyright (c) Antti Järvinen 2013.

    This file is part of Classified Ads.

    Classified Ads is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Classified Ads is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Classified Ads.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef CLASSIFIED_PRIVMSGMODEL_H
#define CLASSIFIED_PRIVMSGMODEL_H
#include <QSqlDatabase>
#include "../mcontroller.h" // because enum from there is needed
#include "../net/protocol.h" // for SendQueueItem
#include "datamodelbase.h"

class Hash ;
class MModelProtocolInterface ;
class PrivMessage ;

class PrivMessageModel : public ModelBase {
  Q_OBJECT

public:
  PrivMessageModel(MController *aMController,
           const MModelProtocolInterface &aModel) ;
  ~PrivMessageModel() ;

  bool publishPrivMessage(PrivMessage& aPrivMessage,
              const Hash& aDestinationNode = KNullHash ) ;

  PrivMessage* messageByFingerPrint(const Hash& aFingerPrint) ;

  bool messageDataByFingerPrint(const Hash& aFingerPrint,
                QByteArray& aResultingPrivMessageData,
                QByteArray& aResultingSignature,
                Hash* aResultingDestinationNode,
                Hash* aResultingRecipient,
                quint32* aTimeOfPublish = NULL) ;
  bool publishedPrivMessageReceived(const Hash& aFingerPrint,
                    const QByteArray& aContent,
                    const QByteArray& aSignature,
                    const QList<quint32>& aBangPath,
                    const Hash& aDestinationNode,
                    const Hash& aRecipient,
                    const quint32 aTimeStamp,
                    const Hash& aFromNode) ;
  bool sentPrivMessageReceived(const Hash& aFingerPrint,
                   const QByteArray& aContent,
                   const QByteArray& aSignature,
                   const Hash& aDestinationNode,
                   const Hash& aRecipient,
                   const quint32 aTimeStamp,
                   const Hash& fromNode ) ;
  
  void fillBucket(QList<SendQueueItem>& aSendQueue,
          const Hash& aStartOfBucket,
          const Hash& aEndOfBucket,
          quint32 aLastMutualConnectTime,
          const Hash& aForNode ); 
  QList<Hash> messagesForProfile(const Hash& aProfileHash,
                 const quint32 aLastMutualConnectTime) ;

  void setAsRead(const Hash& aMessageHash, bool aIsRead ) ; 
private: // methods
  bool doHandlepublishedOrSentPrivMessage(const Hash& aFingerPrint,
                      const QByteArray& aContent,
                      const QByteArray& aSignature,
                      const QList<quint32>& aBangPath,
                      const Hash& aDestinationNode,
                      const Hash& aRecipient,
                      const quint32 aTimeStamp,
                      bool aWasPublish,
                      const Hash& aFromNode ) ;
  signals:
  void error(MController::CAErrorSituation aError,
             const QString& aExplanation) ;
  void contentReceived(const Hash& aHashOfContent,
               const Hash& aHashOfRecipientProfile,
               const ProtocolItemType aTypeOfReceivdContent) ;
private: // member variables:
  MController *iController  ;
  const MModelProtocolInterface& iModel ;
} ;
#endif