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/*
    Copyright (c) 2009 Andras Mantia <amantia@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.
*/

#ifndef KIMAP_GETQUOTAROOTJOB_H
#define KIMAP_GETQUOTAROOTJOB_H

#include "quotajobbase.h"

namespace KIMAP {

class Session;
struct Message;
class GetQuotaRootJobPrivate;

/**
 * Gets the quota root and resource limits for a mailbox.
 *
 * Quotas are defined with respect to "resources" and "quota roots".
 * A resource is a numerical property that can be limited, such
 * as the octet size of all the messages in a mailbox, or the
 * number of messages in a mailbox.  Each mailbox has one or more
 * quota roots, which are where the resource limits are defined.
 * A quota root may or may not be a mailbox name, and an empty
 * string is a valid quota root.  All mailboxes with the same quota
 * root share the resource limits of the quota root.
 *
 * This job can only be run when the session is in the
 * authenticated (or selected) state.
 *
 * This job requires that the server supports the QUOTA
 * capability, defined in
 * <a href="http://www.apps.ietf.org/rfc/rfc2087.html">RFC 2087</a>.
 */
class KIMAP_EXPORT GetQuotaRootJob : public QuotaJobBase
{
  Q_OBJECT
  Q_DECLARE_PRIVATE( GetQuotaRootJob )

  friend class SessionPrivate;

  public:
    explicit GetQuotaRootJob( Session *session );
    virtual ~GetQuotaRootJob();

    /**
     * Set the mailbox to get the quota roots for.
     *
     * @param mailBox  the name of an existing mailbox
     */
    void setMailBox(const QString &mailBox);
    /**
     * The mailbox that the quota roots will be fetched for.
     */
    QString mailBox() const;

    /**
     * The quota roots for the mailbox.
     */
    QList<QByteArray> roots() const;
    /**
     * Get the current usage for a resource.
     *
     * Note that if there is no limit for a resource, the
     * server will not provide information about resource
     * usage.
     *
     * @param root      the quota root to get the resource usage for
     * @param resource  the resource to get the usage for
     * @return  the resource usage in appropriate units, or -1
     *          if the usage is unknown or there is no
     *          limit on the resource
     */
    qint64 usage(const QByteArray &root, const QByteArray &resource) const;
    /**
     * Get the current limit for a resource.
     *
     * @param root      the quota root to get the resource limit for
     * @param resource  the resource to get the limit for
     * @return  the resource limit in appropriate units, or -1
     *          if the limit is unknown or there is no
     *          limit on the resource
     */
    qint64 limit(const QByteArray &root, const QByteArray &resource) const;

    /**
     * Get a map containing all resource usage figures for a quota root.
     *
     * @param root  the quota root to get resource usage figures for
     * @return  a map from resource names to usage figures
     */
    QMap<QByteArray, qint64> allUsages(const QByteArray &root) const;
    /**
     * Get a map containing all resource limits for a quota root.
     *
     * @param root  the quota root to get resource limits for
     * @return  a map from resource names to limits
     */
    QMap<QByteArray, qint64> allLimits(const QByteArray &root) const;

  protected:
    virtual void doStart();
    virtual void handleResponse(const Message &response);

};

}

#endif