66 lines
No EOL
2.5 KiB
PHP
66 lines
No EOL
2.5 KiB
PHP
<?php
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# requirements
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require_once 'include/config.php';
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require_once 'include/ICal/ICal.php';
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require_once 'include/ICal/Event.php';
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# Fix relative path
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$cachefile = 'cache/'.$cachefile;
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# Init Calendar
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$ical = new \ICal\ICal();
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# Caching and load calendar
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if (!file_exists($cachefile) || (filemtime($cachefile) + $cachetime < time())) {
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$context = stream_context_create(['http' => ['timeout' => 10]]);
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$ical_str = @file_get_contents($ical_url, false, $context);
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if ($ical_str !== false && strpos($ical_str, 'BEGIN:VCALENDAR') !== false) {
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file_put_contents($cachefile, $ical_str);
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$ical->initString($ical_str);
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} else {
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if (file_exists($cachefile)) $ical->initFile($cachefile);
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}
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} else {
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$ical->initFile($cachefile);
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}
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# Load calendar entries
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$period_val = filter_input(INPUT_GET, 'period', FILTER_VALIDATE_INT, ['options' => ['min_range' => 1, 'max_range' => 12]]) ?: 1;
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$filter = filter_input(INPUT_GET, 'filter', FILTER_SANITIZE_SPECIAL_CHARS); // FILTER_UNSAFE_RAW
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$events = $ical->sortEventsWithOrder($ical->eventsFromInterval($period_val . ' month'));
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$result = [];
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foreach ($events as $event) {
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$cat = $event->categories ?? '';
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if ($filter && stripos($cat, $filter) === false) continue;
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if (stripos($cat, "hidden") !== false) continue;
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$start = new DateTime($event->dtstart);
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$end = new DateTime($event->dtend);
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$uid = $event->uid;
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$interval = new DateInterval('P1D');
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$period = new DatePeriod($start, $interval, $end);
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foreach ($period as $dt) {
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$date = $dt->format("Y-m-d");
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$result[$date][$uid] = [
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"dtstart" => $start->format(DateTime::ATOM), //$ical->iCalDateToDateTime($event->dtstart_array[3])->format(DateTime::ATOM);
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"dtend" => $end->format(DateTime::ATOM), //$ical->iCalDateToDateTime($event->dtend_array[3])->format(DateTime::ATOM);
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"datestr" => (isset($event->dtstart_array[0]["VALUE"]) && $event->dtstart_array[0]["VALUE"] == 'DATE') ? '' : $start->format('H:i'),
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"summary" => mb_strimwidth($event->summary, 0, 255, "..."),
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"location" => mb_strimwidth($event->location ?? '', 0, 255, "..."),
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"description" => mb_strimwidth($event->description ?? '', 0, 255, "...")
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];
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if(!empty($cat)) $result[$date][$uid]["categories"] = $cat;
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}
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}
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# Allow every page to load this json
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header("Access-Control-Allow-Origin: *");
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header("Content-Type: application/json; charset=utf-8");
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echo json_encode($result, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |