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path: root/includes/class-giglogadmin-icalexport.php
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<?php
/**
 * Class to handle ICAL export of concert data.
 *
 * @package giglogadmin
 *
 * SPDX-FileCopyrightText: 2022 Andrea Chirulescu <andrea.chirulescu@gmail.com>
 * SPDX-FileCopyrightText: 2022 Harald Eilertsen <haraldei@anduin.net>
 *
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

use Kigkonsult\Icalcreator\Vcalendar;

if ( ! class_exists( 'GiglogAdmin_IcalExport' ) ) {
    /**
     * Class to handle ICAL export of concert data.
     */
    class Giglogadmin_IcalExport {

        static function textclean( string $txt ) : string {
            $cleantext = preg_replace( '/[^A-Za-z0-9 ]/', '', $txt );
            $cleantext = str_replace( ' ', '_', $cleantext );
            return( $cleantext );
        }

        public static function export_ical() {
            $evid = $_GET['evid'];

            $concert = GiglogAdmin_Concert::get( $evid );
            $cfullname = $concert->cname() . ' live at ' . $concert->venue()->name() . ', ' . $concert->venue()->city();
            $cshortname = substr( $cfullname, 0, 20 );
            $fdate = strtotime( $concert->cdate() );
            $newformat = date( 'Ymd', $fdate );
            $filename = 'Concert ' . $concert->venue()->name() . ' ' . $newformat . ' ' . substr( $concert->cname(), 0, 30 );
            $filename = self::textclean( $filename );
            // create a new calendar
            $vcalendar = Vcalendar::factory( array( Vcalendar::UNIQUE_ID => 'kigkonsult.se' ) )
                // with calendaring info
                ->setMethod( Vcalendar::PUBLISH )
                ->setXprop(
                    Vcalendar::X_WR_CALNAME,
                    'Calendar Sample'
                )
                ->setXprop(
                    Vcalendar::X_WR_CALDESC,
                    'Concert ' . $cfullname . ''
                )
                ->setXprop(
                    Vcalendar::X_WR_RELCALID,
                    '3E26604A-50F4-4449-8B3E-E4F4932D05B5'
                )
                ->setXprop(
                    Vcalendar::X_WR_TIMEZONE,
                    'Europe/Oslo'
                );

            // create a new event
            $event1 = $vcalendar->newVevent()
                                ->setTransp( Vcalendar::OPAQUE )
                                ->setClass( Vcalendar::P_BLIC )
                                ->setSequence( 1 )
                            // describe the event
                                ->setSummary( '' . $cfullname . '' )
                                ->setDescription( '' . $cfullname . '' )
                                ->setComment( '' . $cfullname . '' )
                            // place the event
                                ->setLocation( '' . $concert->venue()->name() . ', ' . $concert->venue()->city() . '' )
                            // set the time
                                ->setDtstart(
                                    new DateTime(
                                        $newformat . 'T190000',
                                        new DateTimezone( 'Europe/Oslo' )
                                    )
                                )
                                ->setDuration( 'PT4H' );
            $vcalendarString =
                // apply appropriate Vtimezone with Standard/DayLight components
                $vcalendar->vtimezonePopulate()
                // and create the (string) calendar
                          ->createCalendar();

            header( 'Content-Type: text/calendar' );
            header( 'content-disposition: attachment;filename=' . $filename . '.ics' );
            echo $vcalendarString;
            die();
        }
    }

    /** @psalm-suppress HookNotFound */
    add_action( 'wp_ajax_nopriv_giglog_export_ical', array( 'GiglogAdmin_IcalExport', 'export_ical' ) );

    /** @psalm-suppress HookNotFound */
    add_action( 'wp_ajax_giglog_export_ical', array( 'GiglogAdmin_IcalExport', 'export_ical' ) );
}