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Enhances event handling with timezone support

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Adds timezone handling to the event parsing and formatting logic.

This allows events to be displayed in the user's local timezone, improving the user experience.

Also restructures the event display on the "Termine" page to include a sidebar for filtering by year and month.
This commit is contained in:
Tobias Feigel
2025-09-06 12:27:56 +02:00
parent 94078a7e6f
commit 15de43a2b5
3 changed files with 339 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files
site/collections/termine.php
+79 -3
View File
@@ -1,5 +1,5 @@
<?php
<?php
// URL der öffentlichen ICS-Datei
define(
'CAL_URL',
@@ -20,6 +20,69 @@ function format_ics_date($date)
}
}
function format_ics_date_with_timezone($date, $timezone = null)
{
// Unterstützt sowohl ganztägige als auch Zeitangaben
if (strpos($date, 'T') !== false) {
$dt = null;
// Prüfe ob es eine UTC-Zeit ist (endet mit Z)
if (substr($date, -1) === 'Z') {
// UTC-Zeit: 20250405T130000Z
$utc_date = substr($date, 0, -1); // Entferne das Z
$dt = DateTime::createFromFormat('Ymd\THis', $utc_date, new DateTimeZone('UTC'));
} elseif ($timezone) {
// Zeitzone angegeben: 20250405T130000 mit TZID
try {
$dt = new DateTime($date, new DateTimeZone($timezone));
} catch (Exception $e) {
// Fallback auf lokale Zeit
$dt = DateTime::createFromFormat('Ymd\THis', substr($date, 0, 15));
}
} else {
// Lokale Zeit ohne Zeitzone
$dt = DateTime::createFromFormat('Ymd\THis', substr($date, 0, 15));
}
if ($dt) {
// ISO 8601 Format für JavaScript
$iso_date = $dt->format('Y-m-d\TH:i:sP'); // P = Zeitzone
$display_date = $dt->format('d.m.Y H:i');
return [
'iso' => $iso_date,
'display' => $display_date,
'has_time' => true,
];
}
return [
'iso' => $date,
'display' => $date,
'has_time' => true,
];
} else {
$dt = DateTime::createFromFormat('Ymd', $date);
if ($dt) {
$iso_date = $dt->format('Y-m-d');
$display_date = $dt->format('d.m.Y');
return [
'iso' => $iso_date,
'display' => $display_date,
'has_time' => false,
];
}
return [
'iso' => $date,
'display' => $date,
'has_time' => false,
];
}
}
// ICS-Datei laden
$ics = @file_get_contents(CAL_URL);
if (!$ics) {
@@ -49,9 +112,21 @@ function parse_ics($ics)
if (count($parts) === 2) {
$key = $parts[0];
$val = $parts[1];
// Zeitzoneninformation extrahieren
$timezone = null;
if (preg_match('/TZID=([^:;]+)/', $key, $matches)) {
$timezone = $matches[1];
}
// Nur den eigentlichen Property-Namen extrahieren
$key = strtoupper(preg_replace('/;.+$/', '', $key));
$event[$key] = $val;
$cleanKey = strtoupper(preg_replace('/;.+$/', '', $key));
$event[$cleanKey] = $val;
// Zeitzoneninformation separat speichern
if ($timezone && in_array($cleanKey, ['DTSTART', 'DTEND'])) {
$event[$cleanKey . '_TZID'] = $timezone;
}
}
}
}
@@ -64,3 +139,4 @@ $events = parse_ics($ics);
return function () use ($events) {
return $events;
};
site/snippets/home-termine.php
+58 -6
View File
@@ -2,7 +2,7 @@
$events = collection('termine');
// Aktuelles Datum
$today = (new DateTime())->format('Ymd');
$today = new DateTime()->format('Ymd');
// Nur zukünftige Termine anzeigen
$future_events = array_filter($events, function ($event) use ($today) {
@@ -48,10 +48,13 @@
$summary = $event['SUMMARY'] ?? '';
$location = $event['LOCATION'] ?? '';
$desc = $event['DESCRIPTION'] ?? '';
$date = format_ics_date($start);
$time = (str_contains($start, 'T')) ? substr($date, 11) : 'ganztägig';
$timezone = $event['DTSTART_TZID'] ?? null;
$date_info = format_ics_date_with_timezone($start, $timezone);
$date = $date_info['display'];
$time = $date_info['has_time'] ? substr($date, 11) : 'ganztägig';
$day = substr($date, 0, 2);
$month = substr($date, 3, 2);
$iso_date = $date_info['iso'];
?>
<div class="termine-card flex-none w-full md:w-1/2 bg-gradient-to-br from-blue-50 to-blue-100 rounded-2xl transform hover:scale-102 transition-all duration-300 ease-in-out border border-blue-200">
@@ -66,7 +69,9 @@
<!-- Datumsanzeige -->
<div class="flex-grow flex items-center justify-center">
<div class="text-3xl font-bold text-sf_grau-800" data-day><?php echo htmlspecialchars($day); ?></div>
<div class="text-3xl font-bold text-sf_grau-800" data-day><?php echo htmlspecialchars(
$day,
); ?></div>
</div>
<!-- Dekorative Elemente - kleine Punkte für Kalendertage -->
@@ -81,8 +86,16 @@
</div>
</div>
<div class="ml-5 flex-grow">
<pack class="text-xl font-medium text-sf_grau-900"><?= $event["SUMMARY"] ?></p>
<p class="text-sf_blau-700 text-lg font-medium mt-1">ab <?php echo htmlspecialchars($time); ?> Uhr</p>
<pack class="text-xl font-medium text-sf_grau-900"><?= $event['SUMMARY'] ?></p>
<p class="text-sf_blau-700 text-lg font-medium mt-1">
<?php if ($date_info['has_time']): ?>
ab <span class="local-time" data-iso-date="<?php echo htmlspecialchars(
$iso_date,
); ?>"><?php echo htmlspecialchars($time); ?></span> Uhr
<?php else: ?>
ganztägig
<?php endif; ?>
</p>
</div>
</div>
</div>
@@ -169,6 +182,45 @@
// Initialer Aufruf
updateArrowState();
// Zeitzonenkonvertierung für lokale Zeiten
function convertTimesToLocal() {
const timeElements = document.querySelectorAll('.local-time');
timeElements.forEach(element => {
const isoDate = element.getAttribute('data-iso-date');
if (isoDate) {
try {
// Erstelle ein Date-Objekt aus der ISO-Date
// JavaScript erkennt automatisch UTC-Zeiten (mit Z oder +00:00)
const date = new Date(isoDate);
// Prüfe ob das Datum gültig ist
if (isNaN(date.getTime())) {
console.warn('Ungültiges Datum:', isoDate);
return;
}
// Formatiere die Zeit in der lokalen Zeitzone des Browsers
const localTime = date.toLocaleTimeString('de-DE', {
hour: '2-digit',
minute: '2-digit',
hour12: false
});
// Aktualisiere den Text
element.textContent = localTime;
// Debug-Information (kann später entfernt werden)
console.log('Konvertiert:', isoDate, '->', localTime, 'in Zeitzone:', Intl.DateTimeFormat().resolvedOptions().timeZone);
} catch (error) {
console.warn('Fehler bei der Zeitzonenkonvertierung:', error, 'für Datum:', isoDate);
}
}
});
}
// Zeitzonenkonvertierung beim Laden der Seite
convertTimesToLocal();
// Responsives Verhalten - bei Fenstergröße-Änderung
window.addEventListener('resize', () => {
// Anzahl der Karten je nach Bildschirmgröße anpassen
site/snippets/termine.php
+84 -47
View File
@@ -12,7 +12,7 @@ usort($events, function ($a, $b) {
});
// Aktuelles Datum
$today = (new DateTime())->format('Ymd');
$today = new DateTime()->format('Ymd');
// Nur zukünftige Termine anzeigen
$future_events = array_filter($events, function ($event) use ($today) {
@@ -85,54 +85,43 @@ if ($filter_jahr && $filter_monat) {
<div class="bg-white rounded-lg shadow p-4">
<h2 class="text-lg font-semibold mb-3">Termine nach Jahr/Monat</h2>
<ul class="space-y-1">
<?php
foreach ($all_events_grouped as $year => $months): ?>
<?php foreach ($all_events_grouped as $year => $months): ?>
<li class="mb-2">
<div class="flex items-center">
<a href="?jahr=<?php
echo $year; ?>"
<a href="?jahr=<?php echo $year; ?>"
class="font-bold text-sf_blau-600 focus:outline-none flex items-center group<?php
if ($filter_jahr === $year && !$filter_monat) {
echo ' underline';
} ?><?php
}
if ($filter_jahr === $year && !$filter_monat) {
echo ' selected';
} ?>" onclick="event.stopPropagation(); openYear('<?php
echo $year; ?>')">
<span><?php
echo $year; ?></span>
}
?>" onclick="event.stopPropagation(); openYear('<?php echo $year; ?>')">
<span><?php echo $year; ?></span>
</a>
<button type="button" class="ml-1 focus:outline-none" onclick="toggleYear('<?php
echo $year; ?>')">
<svg class="w-4 h-4 transition-transform" id="arrow-<?php
echo $year; ?>" fill="none" stroke="currentColor" stroke-width="2"
<button type="button" class="ml-1 focus:outline-none" onclick="toggleYear('<?php echo $year; ?>')">
<svg class="w-4 h-4 transition-transform" id="arrow-<?php echo $year; ?>" fill="none" stroke="currentColor" stroke-width="2"
viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7"/>
</svg>
</button>
</div>
<ul class="ml-4 mt-1 hidden" id="months-<?php
echo $year; ?>">
<?php
foreach ($months as $month => $evts): ?>
<ul class="ml-4 mt-1 hidden" id="months-<?php echo $year; ?>">
<?php foreach ($months as $month => $evts): ?>
<li>
<a href="?jahr=<?php
echo $year; ?>&monat=<?php
echo $month; ?>" class="text-sf_blau-500 hover:underline<?php
if ($filter_jahr === $year && $filter_monat === $month) {
<a href="?jahr=<?php echo $year; ?>&monat=<?php echo $month; ?>" class="text-sf_blau-500 hover:underline<?php if (
$filter_jahr === $year &&
$filter_monat === $month
) {
echo ' font-bold underline selected';
} ?>">
<?php
echo $de_months[$month]; ?> (<?php
echo count($evts); ?>)
<?php echo $de_months[$month]; ?> (<?php echo count($evts); ?>)
</a>
</li>
<?php
endforeach; ?>
<?php endforeach; ?>
</ul>
</li>
<?php
endforeach; ?>
<?php endforeach; ?>
</ul>
</div>
<script>
@@ -160,11 +149,9 @@ if ($filter_jahr && $filter_monat) {
</aside>
<!-- Hauptinhalt Termine -->
<div class="md:w-3/4 w-full">
<?php
if (empty($filtered_events)): ?>
<?php if (empty($filtered_events)): ?>
<div class="text-gray-500">Keine Termine gefunden.</div>
<?php
else: ?>
<?php else: ?>
<div class="overflow-x-auto">
<table class="min-w-full border border-gray-200 bg-white rounded-lg shadow">
<thead>
@@ -175,33 +162,40 @@ if ($filter_jahr && $filter_monat) {
</tr>
</thead>
<tbody>
<?php
foreach ($filtered_events as $event): ?>
<?php foreach ($filtered_events as $event): ?>
<?php
$start = $event['DTSTART'] ?? '';
$end = $event['DTEND'] ?? '';
$summary = $event['SUMMARY'] ?? '';
$location = $event['LOCATION'] ?? '';
$desc = $event['DESCRIPTION'] ?? '';
$date = format_ics_date($start);
$time = (str_contains($start, 'T')) ? substr($date, 11) : 'ganztägig';
$timezone = $event['DTSTART_TZID'] ?? null;
$date_info = format_ics_date_with_timezone($start, $timezone);
$date = $date_info['display'];
$time = $date_info['has_time'] ? substr($date, 11) : 'ganztägig';
$date = substr($date, 0, 10);
$iso_date = $date_info['iso'];
?>
<tr class="hover:bg-gray-50">
<td class="py-2 px-4 border-b whitespace-nowrap"><?php
echo htmlspecialchars($date); ?></td>
<td class="py-2 px-4 border-b whitespace-nowrap"><?php
echo htmlspecialchars($time); ?></td>
<td class="py-2 px-4 border-b"><?php
echo htmlspecialchars($summary); ?></td>
<td class="py-2 px-4 border-b whitespace-nowrap"><?php echo htmlspecialchars(
$date,
); ?></td>
<td class="py-2 px-4 border-b whitespace-nowrap">
<?php if ($date_info['has_time']): ?>
<span class="local-time" data-iso-date="<?php echo htmlspecialchars(
$iso_date,
); ?>"><?php echo htmlspecialchars($time); ?></span>
<?php else: ?>
ganztägig
<?php endif; ?>
</td>
<td class="py-2 px-4 border-b"><?php echo htmlspecialchars($summary); ?></td>
</tr>
<?php
endforeach; ?>
<?php endforeach; ?>
</tbody>
</table>
</div>
<?php
endif; ?>
<?php endif; ?>
</div>
</div>
<style>
@@ -211,4 +205,47 @@ if ($filter_jahr && $filter_monat) {
font-weight: bold;
}
</style>
<script>
// Zeitzonenkonvertierung für lokale Zeiten
function convertTimesToLocal() {
const timeElements = document.querySelectorAll('.local-time');
timeElements.forEach(element => {
const isoDate = element.getAttribute('data-iso-date');
if (isoDate) {
try {
// Erstelle ein Date-Objekt aus der ISO-Date
// JavaScript erkennt automatisch UTC-Zeiten (mit Z oder +00:00)
const date = new Date(isoDate);
// Prüfe ob das Datum gültig ist
if (isNaN(date.getTime())) {
console.warn('Ungültiges Datum:', isoDate);
return;
}
// Formatiere die Zeit in der lokalen Zeitzone des Browsers
const localTime = date.toLocaleTimeString('de-DE', {
hour: '2-digit',
minute: '2-digit',
hour12: false
});
// Aktualisiere den Text
element.textContent = localTime;
// Debug-Information (kann später entfernt werden)
console.log('Konvertiert:', isoDate, '->', localTime, 'in Zeitzone:', Intl.DateTimeFormat().resolvedOptions().timeZone);
} catch (error) {
console.warn('Fehler bei der Zeitzonenkonvertierung:', error, 'für Datum:', isoDate);
}
}
});
}
// Zeitzonenkonvertierung beim Laden der Seite
document.addEventListener('DOMContentLoaded', function() {
convertTimesToLocal();
});
</script>
</section>