Finanzberatung in Dresden, die mehr aus deinem Geld macht.

false, 'message' => 'Bookings-Konfiguration fehlt.']); exit; } $ianaTz = new DateTimeZone($bk['iana_tz'] ?? 'Europe/Berlin'); $y = isset($_GET['y']) ? (int)$_GET['y'] : (int)date('Y'); $m = isset($_GET['m']) ? (int)$_GET['m'] : (int)date('n'); if ($y < 2020 || $y > 2100 || $m < 1 || $m > 12) { http_response_code(400); echo json_encode(['ok' => false, 'message' => 'Ungültige Parameter (y,m).']); exit; } $start = (new DateTimeImmutable(sprintf('%04d-%02d-01 00:00:00', $y, $m), $ianaTz)); $end = $start->modify('first day of next month')->setTime(0,0,0); $maxMonths = (int)($bk['max_months_ahead'] ?? 12); $maxEnd = (new DateTimeImmutable('now', $ianaTz))->setTime(0,0,0)->modify('+' . $maxMonths . ' months'); if ($end > $maxEnd) { $end = $maxEnd; } $cacheSeconds = (int)($bk['cache_seconds'] ?? 0); $cacheKey = sprintf('bk_av_%s_%s', $start->format('Y-m-d'), $end->format('Y-m-d')); $cacheFile = sys_get_temp_dir() . '/' . $cacheKey . '.json'; if ($cacheSeconds > 0 && is_file($cacheFile) && (time() - filemtime($cacheFile) <= $cacheSeconds)) { readfile($cacheFile); exit; } try { $raw = fetchStaffAvailability($bk, $start, $end); $json = json_decode($raw, true, 512, JSON_THROW_ON_ERROR); } catch (Throwable $e) { http_response_code(502); echo json_encode(['ok' => false, 'message' => 'Bookings API Fehler: '.$e->getMessage()]); exit; } $items = $json['staffAvailabilityResponse'][0]['availabilityItems'] ?? []; if (!is_array($items)) $items = []; $days = computeSlotsFromAvailability($items, $start, $end, $ianaTz); $out = [ 'ok' => true, 'month' => $start->format('Y-m'), 'range' => [ 'start' => $start->format('Y-m-d'), 'end' => $end->format('Y-m-d'), ], 'days' => $days, ]; $encoded = json_encode($out, JSON_UNESCAPED_UNICODE); if ($cacheSeconds > 0) { @file_put_contents($cacheFile, $encoded); } echo $encoded; function fetchStaffAvailability(array $bk, DateTimeImmutable $start, DateTimeImmutable $end): string { $payload = [ 'serviceId' => $bk['service_id'], 'staffIds' => array_values($bk['staff_ids']), 'startDateTime' => [ 'dateTime' => $start->format('Y-m-d\T00:00:00'), 'timeZone' => $bk['request_tz'] ?? 'W. Europe Standard Time', ], 'endDateTime' => [ 'dateTime' => $end->format('Y-m-d\T00:00:00'), 'timeZone' => $bk['request_tz'] ?? 'W. Europe Standard Time', ], ]; $ch = curl_init($bk['endpoint']); if ($ch === false) { throw new RuntimeException('curl_init fehlgeschlagen'); } $headers = [ 'Content-Type: application/json', 'Accept: application/json', ]; curl_setopt_array($ch, [ CURLOPT_POST => true, CURLOPT_HTTPHEADER => $headers, CURLOPT_POSTFIELDS => json_encode($payload, JSON_UNESCAPED_UNICODE), CURLOPT_RETURNTRANSFER => true, CURLOPT_CONNECTTIMEOUT => 8000, CURLOPT_TIMEOUT => 2000, ]); $res = curl_exec($ch); $err = curl_error($ch); $code = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($res === false) { throw new RuntimeException('cURL Fehler: '.$err); } if ($code < 200 || $code >= 300) { throw new RuntimeException('HTTP '.$code.' Antwort: '.substr($res, 0, 400)); } return $res; } function computeSlotsFromAvailability(array $availabilityItems, DateTimeImmutable $start, DateTimeImmutable $end, DateTimeZone $tz): array { $days = []; for ($d = clone $start; $d < $end; $d = $d->modify('+1 day')) { $days[$d->format('Y-m-d')] = []; } foreach ($availabilityItems as $it) { if (($it['status'] ?? '') !== 'BOOKINGSAVAILABILITYSTATUS_AVAILABLE') continue; $s = $it['startDateTime']['dateTime'] ?? null; $e = $it['endDateTime']['dateTime'] ?? null; if (!$s || !$e) continue; $ds = parseLocalDateTime((string)$s, $tz); $de = parseLocalDateTime((string)$e, $tz); if (!$ds || !$de) continue; if ($ds < $start || $ds >= $end) continue; if ($ds >= $de) continue; $dayKey = $ds->format('Y-m-d'); if (isset($days[$dayKey])) { $current = clone $ds; while (true) { $next = $current->modify('+60 minutes'); if ($next > $de) { break; } $t = $current->format('H:i'); if (!in_array($t, $days[$dayKey], true)) { $days[$dayKey][] = $t; } $current = $current->modify('+60 minutes'); } } } return $days; } function parseLocalDateTime(string $s, DateTimeZone $tz): ?DateTimeImmutable { $s = preg_replace('/\.\d+$/', '', $s); $dt = DateTimeImmutable::createFromFormat('Y-m-d\TH:i:s', $s, $tz); if ($dt instanceof DateTimeImmutable) return $dt; try { return new DateTimeImmutable($s, $tz); } catch (Throwable $e) { return null; } }