YetiForceCompany/YetiForceCRM

<?php
/**
 * SabreDav PDO CalDAV Schedule backend file.
 *
 * @package Integration
 *
 * @copyright YetiForce S.A.
 * @license   YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com)
 * @author    Mariusz Krzaczkowski <m.krzaczkowski@yetiforce.com>
 */

namespace App\Integrations\Dav\Backend;

use Sabre\DAV;
use Sabre\VObject\ITip;

/**
 * SabreDav PDO CalDAV Schedule backend class.
 */
class CalendarSchedule extends DAV\ServerPlugin
{
    /**
     * Reference to server object.
     *
     * @var DAV\Server
     */
    protected $server;

    /**
     * Initializes the schedule.
     *
     * @param \Sabre\DAV\Server $server
     */
    public function initialize(DAV\Server $server)
    {
        $this->server = $server;
        $server->on('schedule', [$this, 'schedule'], 120);
    }

    /**
     * Event handler for the 'schedule' event.
     *
     * @param ITip\Message $iTipMessage
     */
    public function schedule(ITip\Message $iTipMessage)
    {
        // Not sending any emails if the system considers the update
        // insignificant.
        if (!$iTipMessage->significantChange) {
            if (!$iTipMessage->scheduleStatus) {
                $iTipMessage->scheduleStatus = '1.0;We got the message, but it\'s not significant enough to warrant an email';
            }

            return;
        }
        if ('mailto' !== parse_url($iTipMessage->sender, PHP_URL_SCHEME)) {
            return;
        }
        if ('mailto' !== parse_url($iTipMessage->recipient, PHP_URL_SCHEME)) {
            return;
        }
        $iTipMessage->scheduleStatus = '1.1; Scheduling message is sent via ' . $this->getPluginName();
    }

    /**
     * Returns a plugin name.
     *
     * Using this name other plugins will be able to access other plugins
     * using \Sabre\DAV\Server::getPlugin
     *
     * @return string
     */
    public function getPluginName()
    {
        return 'Yeti CalDAV Schedule';
    }

    /** @codeCoverageIgnoreEnd */

    /**
     * Returns a bunch of meta-data about the plugin.
     *
     * Providing this information is optional, and is mainly displayed by the
     * Browser plugin.
     *
     * The description key in the returned array may contain html and will not
     * be sanitized.
     *
     * @return array
     */
    public function getPluginInfo()
    {
        return [
            'name' => $this->getPluginName(),
            'description' => 'Adds support for invitations, integrated with YetiForce CRM',
            'link' => 'https://yetiforce.com/',
        ];
    }
}