expirecollectionattribute.h

/*
 
  SPDX-FileCopyrightText: 2011-2023 Laurent Montel <[email protected]>
 
  SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "mailcommon_export.h"
 
#include <Akonadi/Attribute>
#include <Akonadi/Collection>
#include <QDebug>
 
namespace MailCommon
{
class MAILCOMMON_EXPORT ExpireCollectionAttribute : public Akonadi::Attribute
{
public:
    ExpireCollectionAttribute();
 
    /*
     * Define the possible units to use for measuring message expiry.
     * expireNever is used to switch off message expiry, and expireMaxUnits
     * must always be the last in the list (for bounds checking).
     */
    enum ExpireUnits { ExpireNever = 0, ExpireDays = 1, ExpireWeeks = 2, ExpireMonths = 3, ExpireMaxUnits = 4 };
 
    enum ExpireAction { ExpireDelete = 0, ExpireMove = 1 };
 
    [[nodiscard]] QByteArray type() const override;
    ExpireCollectionAttribute *clone() const override;
    [[nodiscard]] QByteArray serialized() const override;
    void deserialize(const QByteArray &data) override;
 
    void daysToExpire(int &unreadDays, int &readDays) const;
 
    /**
     * Sets whether this folder automatically expires messages.
     */
    void setAutoExpire(bool enabled);
 
    /**
     * Returns true if this folder automatically expires old messages.
     */
    [[nodiscard]] bool isAutoExpire() const;
 
    /**
     * Sets the maximum age for unread messages in this folder.
     * Age should not be negative. Units are set using
     * setUnreadExpireUnits().
     */
    void setUnreadExpireAge(int age);
 
    /**
     * Sets the units to use for expiry of unread messages.
     * Values are 1 = days, 2 = weeks, 3 = months.
     */
    void setUnreadExpireUnits(ExpireUnits units);
 
    /**
     * Sets the maximum age for read messages in this folder.
     * Age should not be negative. Units are set using
     * setReadExpireUnits().
     */
    void setReadExpireAge(int age);
 
    /**
     * Sets the units to use for expiry of read messages.
     * Values are 1 = days, 2 = weeks, 3 = months.
     */
    void setReadExpireUnits(ExpireUnits units);
 
    /**
     * Returns the age at which unread messages are expired.
     * Units are determined by unreadExpireUnits().
     */
    [[nodiscard]] int unreadExpireAge() const;
 
    /**
     * Returns the age at which read messages are expired.
     * Units are determined by readExpireUnits().
     */
    [[nodiscard]] int readExpireAge() const;
 
    /**
     * What should expiry do? Delete or move to another folder?
     */
    [[nodiscard]] ExpireAction expireAction() const;
    void setExpireAction(ExpireAction a);
 
    /**
     * If expiry should move to folder, return the ID of that folder
     */
    Akonadi::Collection::Id expireToFolderId() const;
    void setExpireToFolderId(Akonadi::Collection::Id id);
 
    /**
     * Units getUnreadExpireAge() is returned in.
     * 1 = days, 2 = weeks, 3 = months.
     */
    [[nodiscard]] ExpireUnits unreadExpireUnits() const;
 
    /**
     * Units getReadExpireAge() is returned in.
     * 1 = days, 2 = weeks, 3 = months.
     */
    [[nodiscard]] ExpireUnits readExpireUnits() const;
 
    bool operator==(const ExpireCollectionAttribute &other) const;
    [[nodiscard]] bool expireMessagesWithValidDate() const;
    void setExpireMessagesWithValidDate(bool expireMessagesWithValidDate);
 
private:
    static MAILCOMMON_NO_EXPORT int daysToExpire(int number, ExpireCollectionAttribute::ExpireUnits units);
    bool mExpireMessages = false; // true if old messages are expired
    int mUnreadExpireAge = 28; // Given in unreadExpireUnits
    int mReadExpireAge = 14; // Given in readExpireUnits
    ExpireCollectionAttribute::ExpireUnits mUnreadExpireUnits = ExpireNever;
    ExpireCollectionAttribute::ExpireUnits mReadExpireUnits = ExpireNever;
    ExpireCollectionAttribute::ExpireAction mExpireAction = ExpireDelete;
    Akonadi::Collection::Id mExpireToFolderId = -1;
    bool mExpireMessagesWithValidDate = false;
};
}
MAILCOMMON_EXPORT QDebug operator<<(QDebug d, const MailCommon::ExpireCollectionAttribute &t);