createtaskjob.cpp

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/*
  Copyright (c) 2014-2015 Montel Laurent <montel@kde.org>

  This library is free software; you can redistribute it and/or modify it
  under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This library 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 Library General Public
  License for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.

*/


#include "createtaskjob.h"
#include "attributes/taskattribute.h"
#include <akonadi/kmime/messagestatus.h>
#include <KLocalizedString>

#include <Akonadi/ItemFetchJob>
#include <Akonadi/ItemFetchScope>
#include <Akonadi/ItemModifyJob>

#include <QDebug>

CreateTaskJob::CreateTaskJob(const Akonadi::Item::List &items, QObject *parent)
    : KJob(parent),
      mListItem(items)
{
}

CreateTaskJob::~CreateTaskJob()
{

}

void CreateTaskJob::start()
{
    if (mListItem.isEmpty()) {
        Q_EMIT emitResult();
        return;
    }
    fetchItems();
}

void CreateTaskJob::fetchItems()
{
    Akonadi::ItemFetchJob *job = new Akonadi::ItemFetchJob( mListItem, this );
    job->fetchScope().fetchFullPayload( true );
    job->fetchScope().setAncestorRetrieval( Akonadi::ItemFetchScope::Parent );
    job->fetchScope().fetchAttribute<TaskAttribute>();
    connect( job, SIGNAL(result(KJob*)), SLOT(itemFetchJobDone(KJob*)) );
}

void CreateTaskJob::itemFetchJobDone(KJob *job)
{
    if (job->error()) {
        qDebug() << job->errorString();
        Q_EMIT emitResult();
        return;
    }
    Akonadi::ItemFetchJob *fetchjob = qobject_cast<Akonadi::ItemFetchJob *>(job);
    const Akonadi::Item::List lst = fetchjob->items();
    if (lst.isEmpty()) {
        Q_EMIT emitResult();
        return;
    }

    bool parentStatus = false;
    // Toggle actions on threads toggle the whole thread
    // depending on the state of the parent.
    const Akonadi::Item first = lst.at(0);
    Akonadi::MessageStatus pStatus;
    pStatus.setStatusFromFlags( first.flags() );
    if ( pStatus & Akonadi::MessageStatus::statusToAct() )
        parentStatus = true;
    else
        parentStatus = false;

    Akonadi::Item::List itemsToModify;
    foreach( const Akonadi::Item &it, lst ) {
        //kDebug()<<" item ::"<<tmpItem;
        if ( it.isValid() ) {
            bool myStatus;
            Akonadi::MessageStatus itemStatus;
            itemStatus.setStatusFromFlags( it.flags() );
            if ( itemStatus & Akonadi::MessageStatus::statusToAct() )
                myStatus = true;
            else
                myStatus = false;
            if ( myStatus != parentStatus )
                continue;
        }
        Akonadi::Item item( it );
        const Akonadi::Item::Flag flag = *(Akonadi::MessageStatus::statusToAct().statusFlags().begin());
        if ( item.hasFlag( flag ) ) {
            item.clearFlag( flag );
            itemsToModify.push_back( item );
            if (item.hasAttribute<TaskAttribute>()) {
                //Change todo as done.
                item.removeAttribute<TaskAttribute>();
            }
        } else {
            item.setFlag( flag );
            itemsToModify.push_back( item );
            //TODO add TaskAttribute();
        }
    }

    if ( itemsToModify.isEmpty() ) {
        slotModifyItemDone( 0 );
    } else {
        Akonadi::ItemModifyJob *modifyJob = new Akonadi::ItemModifyJob( itemsToModify, this );
        modifyJob->disableRevisionCheck();
        modifyJob->setIgnorePayload( true );
        connect( modifyJob, SIGNAL(result(KJob*)), this, SLOT(slotModifyItemDone(KJob*)) );
    }
}

void CreateTaskJob::slotModifyItemDone(KJob *job)
{
    //TODO
    if (job && job->error()) {
        qDebug()<<" error "<<job->errorString();
    }
    deleteLater();
}