<?php

namespace Sabre\CalDAV;

/**
 * This interface represents a Calendar that can be shared with other users.
 *
 * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
 * @author Evert Pot (http://evertpot.com/)
 * @license http://sabre.io/license/ Modified BSD License
 */
interface IShareableCalendar extends ICalendar {

    /**
     * Updates the list of shares.
     *
     * The first array is a list of people that are to be added to the
     * calendar.
     *
     * Every element in the add array has the following properties:
     *   * href - A url. Usually a mailto: address
     *   * commonName - Usually a first and last name, or false
     *   * summary - A description of the share, can also be false
     *   * readOnly - A boolean value
     *
     * Every element in the remove array is just the address string.
     *
     * @param array $add
     * @param array $remove
     * @return void
     */
    function updateShares(array $add, array $remove);

    /**
     * Returns the list of people whom this calendar is shared with.
     *
     * Every element in this array should have the following properties:
     *   * href - Often a mailto: address
     *   * commonName - Optional, for example a first + last name
     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
     *   * readOnly - boolean
     *   * summary - Optional, a description for the share
     *
     * @return array
     */
    function getShares();

}
