hackcal/index.php
2024-01-10 21:09:10 +01:00

72 lines
No EOL
2.6 KiB
PHP

<?php
# config
$ical = 'https://cloud.MYURL/remote.php/dav/public-calendars/CALENDARID/?export';
$cachefile = 'cache/hackcal.ics';
$cachetime = 120; // 2 min
# requirements
require_once 'ICal/ICal.php';
require_once 'ICal/Event.php';
# Init Calendar
$iCal = new \ICal\ICal();
# Caching and load calendar
if(@filemtime($cachefile) + $cachetime < time()) {
$ical_str = file_get_contents($ical);
file_put_contents($cachefile, $ical_str);
$iCal->initString($ical_str);
} else {
$iCal->initFile($cachefile);
}
//$iCal->initURL($ical);
# Load calendar entries
$period = max(filter_input(INPUT_GET, 'period', FILTER_VALIDATE_INT, array('options' => array('min_range' => 1, 'max_range' => 12))), 1);
$events = $iCal->sortEventsWithOrder($iCal->eventsFromInterval($period.' month'));
$filter = filter_input(INPUT_GET, 'filter', FILTER_SANITIZE_SPECIAL_CHARS);
$result = [];
foreach ($events as $event) {
if ($filter && strpos($event->categories, $filter) === false) {
continue;
}
if (isset($event->categories) && strpos($event->categories, "hidden")) {
continue;
}
$start = new DateTime($event->dtstart);
$end = new DateTime($event->dtend);
$uid = $event->uid;
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($start, $interval, $end);
foreach ($period as $dt) {
$date = $dt->format("Y-m-d");
$dateFormatter = new IntlDateFormatter('de_DE', IntlDateFormatter::LONG, IntlDateFormatter::NONE, 'Europe/Berlin', IntlDateFormatter::GREGORIAN);
$weekdayFormatter = new IntlDateFormatter('de_DE', IntlDateFormatter::NONE, IntlDateFormatter::NONE, 'Europe/Berlin', IntlDateFormatter::GREGORIAN, 'EEEE');
$result[$date]["name"] = $dateFormatter->format($dt->getTimestamp());
$result[$date]["weekday"] = $weekdayFormatter->format($dt->getTimestamp());
$result[$date]["events"][$uid]["dtstart"] = $event->dtstart; #TODO: Zeitzone aus lib auslesen
$result[$date]["events"][$uid]["dtend"] = $event->dtend; #TODO: Zeitzone aus lib auslesen
$result[$date]["events"][$uid]["datestr"] = (isset($event->dtstart_array[0]["VALUE"]) && $event->dtstart_array[0]["VALUE"] == 'DATE')?'Ganztägig':$start->format('H:i');
$result[$date]["events"][$uid]["summary"] = $event->summary;
$result[$date]["events"][$uid]["location"] = $event->location;
$result[$date]["events"][$uid]["description"] = $event->description;
if(isset($event->categories)) $result[$date]["events"][$uid]["categories"] = $event->categories;
}
}
# Allow every page to load this json
header("Access-Control-Allow-Origin: *");
header("Content-Type: application/json");
echo json_encode($result, JSON_PRETTY_PRINT);