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Patrick Schwarz 2021-10-13 14:08:58 +02:00
commit 3a59408fc5
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<?php
# config
$ical = 'https://cloud.MYURL/remote.php/dav/public-calendars/CALENDARID/?export';
$cachefile = 'cache/hackcal.ics';
$cachetime = 120; // 2 min
setlocale(LC_TIME, "de_DE.utf8");
# 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
$events = $iCal->sortEventsWithOrder($iCal->eventsFromInterval('1 month'));
$filter = filter_input(INPUT_GET, 'filter', FILTER_SANITIZE_SPECIAL_CHARS);
$result = [];
foreach ($events as $event) {
if ($filter && strpos($event->categories, $filter) === false) {
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");
$result[$date]["name"] = strftime('%e. %B %Y', $dt->getTimestamp());
$result[$date]["weekday"] = strftime('%A', $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;
$result[$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);