117 lines
4.6 KiB
PHP
117 lines
4.6 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
const DASHBOARD_VBB_STOP_ID = '900086103';
|
|
const DASHBOARD_VBB_BUS_PRODUCTS = 8;
|
|
|
|
function dashboard_vbb_datetime(array $departure, bool $realtime = false): ?DateTimeImmutable
|
|
{
|
|
$time = trim((string) ($departure[$realtime ? 'rtTime' : 'time'] ?? ''));
|
|
if ($time === '') {
|
|
return null;
|
|
}
|
|
$date = trim((string) ($departure[$realtime ? 'rtDate' : 'date'] ?? $departure['date'] ?? ''));
|
|
$value = DateTimeImmutable::createFromFormat(
|
|
'!Y-m-d H:i:s',
|
|
$date . ' ' . $time,
|
|
new DateTimeZone(DASHBOARD_TIMEZONE)
|
|
);
|
|
return $value ?: null;
|
|
}
|
|
|
|
function dashboard_vbb_normalize_departure(array $departure): ?array
|
|
{
|
|
$product = $departure['ProductAtStop'] ?? ($departure['Product'][0] ?? []);
|
|
if (!is_array($product) || stripos((string) ($product['catOut'] ?? $product['catOutL'] ?? ''), 'bus') === false) {
|
|
return null;
|
|
}
|
|
|
|
$planned = dashboard_vbb_datetime($departure);
|
|
if (!$planned) {
|
|
return null;
|
|
}
|
|
$actual = dashboard_vbb_datetime($departure, true);
|
|
$status = strtoupper(trim((string) ($departure['JourneyStatus'] ?? '')));
|
|
$cancelled = filter_var($departure['cancelled'] ?? false, FILTER_VALIDATE_BOOLEAN) || $status === 'C';
|
|
|
|
$line = trim((string) ($product['displayNumber'] ?? ''));
|
|
$line = $line !== '' ? $line : trim((string) ($product['line'] ?? $product['name'] ?? $departure['name'] ?? 'Bus'));
|
|
|
|
return [
|
|
'plannedWhen' => $planned->format(DATE_ATOM),
|
|
'when' => $actual?->format(DATE_ATOM),
|
|
'delay' => $actual ? $actual->getTimestamp() - $planned->getTimestamp() : null,
|
|
'cancelled' => $cancelled,
|
|
'line' => ['name' => $line],
|
|
'direction' => trim((string) ($departure['direction'] ?? '')),
|
|
];
|
|
}
|
|
|
|
function dashboard_fetch_departures(): array
|
|
{
|
|
$directory = __DIR__ . '/../cache';
|
|
if (!is_dir($directory) && !@mkdir($directory, 0775, true) && !is_dir($directory)) {
|
|
throw new RuntimeException('VBB-Cache nicht beschreibbar.');
|
|
}
|
|
$file = fopen($directory . '/vbb-' . DASHBOARD_VBB_STOP_ID . '.json', 'c+');
|
|
if (!$file) {
|
|
throw new RuntimeException('VBB-Cache nicht verfügbar.');
|
|
}
|
|
|
|
try {
|
|
if (!flock($file, LOCK_EX)) {
|
|
throw new RuntimeException('VBB-Cache konnte nicht gesperrt werden.');
|
|
}
|
|
$cache = json_decode(stream_get_contents($file), true) ?: [];
|
|
if (microtime(true) >= ($cache['retryAt'] ?? 0)) {
|
|
try {
|
|
$query = http_build_query([
|
|
'id' => DASHBOARD_VBB_STOP_ID,
|
|
'duration' => 120,
|
|
'maxJourneys' => 30,
|
|
'products' => DASHBOARD_VBB_BUS_PRODUCTS,
|
|
'type' => 'DEP',
|
|
'format' => 'json',
|
|
'lang' => 'de',
|
|
], '', '&', PHP_QUERY_RFC3986);
|
|
$baseUrl = rtrim(intranet_env('VBB_API_BASE_URL'), '/');
|
|
$data = dashboard_http_json($baseUrl . '/departureBoard?' . $query, [
|
|
'Authorization: Bearer ' . intranet_env('VBB_ACCESS_ID'),
|
|
]);
|
|
if (!isset($data['Departure']) || !is_array($data['Departure'])) {
|
|
throw new RuntimeException('Unerwartete VBB-Antwort.');
|
|
}
|
|
|
|
$departures = [];
|
|
foreach ($data['Departure'] as $departure) {
|
|
if (is_array($departure) && ($normalized = dashboard_vbb_normalize_departure($departure))) {
|
|
$departures[] = $normalized;
|
|
}
|
|
}
|
|
$now = microtime(true);
|
|
$cache = [
|
|
'departures' => array_slice($departures, 0, 30),
|
|
'updatedAt' => (int) round($now * 1000),
|
|
'retryAt' => $now + 30,
|
|
'unavailable' => false,
|
|
];
|
|
} catch (Throwable $error) {
|
|
// Eine letzte erfolgreiche Antwort behalten und die API nach Fehlern nicht belasten.
|
|
error_log('Dashboard VBB: ' . $error->getMessage());
|
|
$cache['unavailable'] = true;
|
|
$cache['retryAt'] = microtime(true) + 60;
|
|
}
|
|
|
|
rewind($file);
|
|
$json = json_encode($cache, JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR);
|
|
if (!ftruncate($file, 0) || fwrite($file, $json) !== strlen($json) || !fflush($file)) {
|
|
throw new RuntimeException('VBB-Cache konnte nicht gespeichert werden.');
|
|
}
|
|
}
|
|
return $cache + ['departures' => [], 'updatedAt' => 0];
|
|
} finally {
|
|
fclose($file);
|
|
}
|
|
}
|