mirror of
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131 lines
3.6 KiB
PHP
Executable File
131 lines
3.6 KiB
PHP
Executable File
<?php
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/**
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* Jingga
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*
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* PHP Version 8.1
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*
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* @package phpOMS\Utils\Parser\Calendar
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* @copyright Dennis Eichhorn
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* @license OMS License 2.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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declare(strict_types=1);
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namespace phpOMS\Utils\Parser\Calendar;
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/**
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* iCal parser.
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*
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* @package phpOMS\Utils\Parser\Calendar
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* @license OMS License 2.0
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* @link https://jingga.app
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* @since 1.0.0
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*/
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class ICalParser
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{
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/**
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* Parse iCal data
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*
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* @param string $data iCal data
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*
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* @return array
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*
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* @since 1.0.0
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*/
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public static function parse(string $data) : array
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{
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\preg_match_all('/BEGIN:VEVENT(.*?)END:VEVENT/s', $data, $matches, \PREG_SET_ORDER);
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$eventList = [];
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foreach ($matches as $match) {
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$event = [];
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\preg_match('/UID:(.*?)\n/', $match[1], $uidMatch);
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$event['uid'] = $uidMatch[1] ?? null;
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\preg_match('/STATUS:(.*?)\n/', $match[1], $statusMatch);
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$event['status'] = $statusMatch[1] ?? null;
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\preg_match('/DTSTART:(.*?)\n/', $match[1], $startMatch);
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$event['start'] = $startMatch[1] ?? null;
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\preg_match('/DTEND:(.*?)\n/', $match[1], $endMatch);
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$event['end'] = $endMatch[1] ?? null;
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\preg_match('/ORGANIZER:(.*?)\n/', $match[1], $organizerMatch);
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$event['organizer'] = $organizerMatch[1] ?? null;
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\preg_match('/SUMMARY:(.*?)\n/', $match[1], $summaryMatch);
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$event['summary'] = $summaryMatch[1] ?? null;
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\preg_match('/DESCRIPTION:(.*?)\n/', $match[1], $descriptionMatch);
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$event['description'] = $descriptionMatch[1] ?? null;
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\preg_match('/LOCATION:(.*?)\n/', $match[1], $locationMatch);
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$event['location'] = $locationMatch[1] ?? null;
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\preg_match('/GEO:(.*?)\n/', $match[1], $geo);
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$temp = \explode(';', $geo[1]);
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$event['geo'] = [
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'lat' => (float) \trim($temp[0] ?? '0'),
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'lon' => (float) \trim($temp[1] ?? '0'),
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];
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\preg_match('/URL:(.*?)\n/', $match[1], $url);
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$event['url'] = $url[1] ?? null;
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// Check if this event is recurring
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if (\preg_match('/RRULE:(.*?)\n/', $match[1], $rruleMatch)) {
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$rrule = self::parseRRule($rruleMatch[1]);
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$event = \array_merge($event, $rrule);
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}
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$eventList[] = $event;
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}
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return $eventList;
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}
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/**
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* Parse rrule
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*
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* @param string $rruleString rrule string
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*
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* @return array
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*
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* @since 1.0.0
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*/
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private static function parseRRule($rruleString) : array
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{
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$rrule = [];
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\preg_match('/FREQ=(.*?);/', $rruleString, $freqMatch);
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$rrule['freq'] = $freqMatch[1] ?? null;
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\preg_match('/INTERVAL=(.*?);/', $rruleString, $intervalMatch);
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$rrule['interval'] = $intervalMatch[1] ?? null;
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\preg_match('/BYMONTH=(.*?);/', $rruleString, $monthMatch);
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$rrule['bymonth'] = $monthMatch[1] ?? null;
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\preg_match('/BYMONTHDAY=(.*?);/', $rruleString, $monthdayMatch);
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$rrule['bymonthday'] = $monthdayMatch[1] ?? null;
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if (\preg_match('/COUNT=(.*?);/', $rruleString, $countMatch)) {
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$rrule['count'] = (int) ($countMatch[1] ?? 0);
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} else {
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$rrule['count'] = null;
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}
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if (\preg_match('/UNTIL=(.*?);/', $rruleString, $untilMatch)) {
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$rrule['until'] = $untilMatch[1] ?? null;
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} else {
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$rrule['until'] = null;
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}
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return $rrule;
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}
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}
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