addressvalidationjob.cpp

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/*
 * This file is part of KMail.
 *
 * Copyright (c) 2010 KDAB
 *
 * Author: Tobias Koenig <tokoe@kde.org>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "addressvalidationjob.h"
#include <messagecomposer/job/aliasesexpandjob.h>
using MessageComposer::AliasesExpandJob;

#include "settings/messagecomposersettings.h"

#include <klocale.h>
#include <kmessagebox.h>

#include <KPIMUtils/Email>


class AddressValidationJob::Private
{
public:
    Private( AddressValidationJob *qq, const QString &emailAddresses, QWidget *parentWidget )
        : q( qq ),
          mEmailAddresses( emailAddresses ),
          mIsValid( false ),
          mParentWidget( parentWidget )
    {
    }

    void slotAliasExpansionDone( KJob* );

    AddressValidationJob *q;
    QString mEmailAddresses;
    bool mIsValid;
    QWidget *mParentWidget;
};

void AddressValidationJob::Private::slotAliasExpansionDone( KJob *job )
{
    mIsValid = true;

    if ( job->error() ) {
        q->setError( job->error() );
        q->setErrorText( job->errorText() );
        mIsValid = false;
        q->emitResult();
        return;
    }

    const AliasesExpandJob *expandJob = qobject_cast<AliasesExpandJob*>( job );
    const QStringList emptyDistributionLists = expandJob->emptyDistributionLists();

    QString brokenAddress;

    const KPIMUtils::EmailParseResult errorCode = KPIMUtils::isValidAddressList( expandJob->addresses(), brokenAddress );
    if ( !emptyDistributionLists.isEmpty() ) {
        QString errorMsg;
        const int numberOfDistributionList( emptyDistributionLists.count() );
        QString listOfDistributionList;
        for ( int i = 0; i < numberOfDistributionList; ++i ) {
            if ( i != 0 )
                listOfDistributionList.append( QLatin1String(", ") );
            listOfDistributionList.append( QString::fromLatin1( "\"%1\"" ).arg( emptyDistributionLists.at( i ) ) );
        }
        errorMsg = i18np( "Distribution list %2 is empty, it cannot be used.",
                          "Distribution lists %2 are empty, they cannot be used.",
                          numberOfDistributionList, listOfDistributionList );
        KMessageBox::sorry( mParentWidget, errorMsg, i18n( "Invalid Email Address" ) );
        mIsValid = false;
    } else {
        if ( !( errorCode == KPIMUtils::AddressOk ||
                errorCode == KPIMUtils::AddressEmpty ) ) {
            const QString errorMsg( QLatin1String("<qt><p><b>") + brokenAddress +
                                    QLatin1String("</b></p><p>") +
                                    KPIMUtils::emailParseResultToString( errorCode ) +
                                    QLatin1String("</p></qt>") );
            KMessageBox::sorry( mParentWidget, errorMsg, i18n( "Invalid Email Address" ) );
            mIsValid = false;
        }
    }

    q->emitResult();
}

AddressValidationJob::AddressValidationJob( const QString &emailAddresses, QWidget *parentWidget, QObject *parent )
    : KJob( parent ), d( new Private( this, emailAddresses, parentWidget ) )
{
}

AddressValidationJob::~AddressValidationJob()
{
    delete d;
}

void AddressValidationJob::start()
{
    AliasesExpandJob *job = new AliasesExpandJob( d->mEmailAddresses, MessageComposer::MessageComposerSettings::defaultDomain(), this );
    connect( job, SIGNAL(result(KJob*)), SLOT(slotAliasExpansionDone(KJob*)) );
    job->start();
}

bool AddressValidationJob::isValid() const
{
    return d->mIsValid;
}

#include "addressvalidationjob.moc"