freescout-calendar-module/Http/Helpers/CalDAV.php

<?php

namespace Modules\LJPcCalendarModule\Http\Helpers;

use Sabre\DAV\Client;
use Sabre\HTTP\ResponseInterface;

class CalDAV {
    private $client;

    public function __construct( $baseUri, $userName, $password ) {
        $settings = [
            'baseUri'  => $baseUri,
            'userName' => $userName,
            'password' => $password,
        ];

        $this->client = new Client( $settings );
    }

    public function getEvents( $calendarUrl ) {
        $response = $this->client->propFind( $calendarUrl, [
            '{DAV:}displayname',
            '{urn:ietf:params:xml:ns:caldav}calendar-description',
            '{urn:ietf:params:xml:ns:caldav}calendar-data',
        ], 2 );


        $events = [];
        foreach ( $response as $eventData ) {
            if ( isset( $eventData['{urn:ietf:params:xml:ns:caldav}calendar-data'] ) ) {
                $events[] = $eventData['{urn:ietf:params:xml:ns:caldav}calendar-data'];
            }
        }

        return $events;
    }

    /**
     * @param $calendarUrl
     * @param $uid
     * @param $summary
     * @param $description
     * @param $start
     * @param $end
     * @param $location
     *
     * @return array{body: string, statusCode: int, headers: array}
     */
    public function createEvent( $calendarUrl, $uid, $summary, $description, $start, $end, $location ): array {
        $ics = new ICS( [
            'uid'         => $uid,
            'location'    => $location,
            'description' => $description,
            'dtstart'     => $start,
            'dtend'       => $end,
            'summary'     => $summary,
        ] );

        return $this->client->request( 'PUT', $calendarUrl . $uid . '.ics', $ics->to_string(), [
            'Content-Type'  => 'text/calendar; charset=utf-8',
            'If-None-Match' => '*',
        ] );
    }

    public function createEventFromICS( $calendarUrl, $uid, $icsContent ) {
        return $this->client->request( 'PUT', $calendarUrl . $uid . '.ics', $icsContent, [
            'Content-Type'  => 'text/calendar; charset=utf-8',
            'If-None-Match' => '*',
        ] );
    }

    public function updateEvent( $calendarUrl, $uid, $summary, $description, $start, $end, $location ) {
        $ics = new ICS( [
            'uid'         => $uid,
            'location'    => $location,
            'description' => $description,
            'dtstart'     => $start,
            'dtend'       => $end,
            'summary'     => $summary,
        ] );

        return $this->client->request( 'PUT', $calendarUrl . $uid . '.ics', $ics->to_string(), [
            'Content-Type'  => 'text/calendar; charset=utf-8',
        ] );
    }

    public function deleteEvent($calendarUrl, $uid)
    {
        return $this->client->request('DELETE', $calendarUrl . $uid . '.ics');
    }

}