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#ifndef CNTRELATIONSHIPGROUP_H
#define CNTRELATIONSHIPGROUP_H

#include "cntabstractrelationship.h"
#include <qtcontacts.h>
QTM_USE_NAMESPACE
class CntRelationshipGroup: public CntAbstractRelationship
{
public: 
    CntRelationshipGroup(CContactDatabase *contactDatabase, const QString &managerUri);
    virtual ~CntRelationshipGroup();

public:
    QList<QContactRelationship> relationshipsL(const QContactId &participantId, QContactRelationship::Role role, QContactManager::Error *error);
    bool saveRelationshipL(QSet<QContactLocalId> *affectedContactIds, QContactRelationship *relationship, QContactManager::Error *error);
    bool removeRelationshipL(QSet<QContactLocalId> *affectedContactIds, const QContactRelationship &relationship, QContactManager::Error *error);
#ifdef SYMBIAN_BACKEND_USE_SQLITE
    bool saveRelationshipsL(QSet<QContactLocalId> *affectedContactIds, QList<QContactRelationship> *relationships, QContactManager::Error *error);
    bool removeRelationshipsL(QSet<QContactLocalId> *affectedContactIds, const QList<QContactRelationship> &relationships, QContactManager::Error *error);
#endif
    bool validateRelationship(const QContactRelationship &relationship, QContactManager::Error *error);
    
private:
    void isGroupMemberL(const CContactItem *contactItem, const TContactItemId groupId) const;
    void fetchGroupMembersL(const QContactLocalId &participantId, QList<QContactRelationship> *relationships);
    void fetchMemberOfGroupsL(const QContactLocalId &participantId, QList<QContactRelationship> *relationships);
    void fetchMembersOfAllGroupsL(QList<QContactRelationship> *relationships);
};

#endif