root
98 lines
2.7 KiB
PHP
98 lines
2.7 KiB
PHP
<?php
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namespace App\Services\System;
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use Carbon\CarbonImmutable;
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use DateTimeInterface;
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class TimeService
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{
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public function userTimezone(): string
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{
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$schoolConfig = config('School');
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if (is_object($schoolConfig) && isset($schoolConfig->attendance['timezone'])) {
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return (string) $schoolConfig->attendance['timezone'];
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}
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if (is_array($schoolConfig) && isset($schoolConfig['attendance']['timezone'])) {
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return (string) $schoolConfig['attendance']['timezone'];
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}
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return (string) (config('app.timezone') ?: 'UTC');
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}
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public function primeFromRequest($request): void
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{
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$headerTz = (string) ($request?->header('X-Timezone') ?? '');
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if ($headerTz === '') {
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$headerTz = (string) ($request?->header('Time-Zone') ?? '');
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}
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if ($headerTz !== '' && in_array($headerTz, \DateTimeZone::listIdentifiers(), true)) {
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// No session-backed storage; header is read per request if needed.
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}
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}
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public function serverTimezone(): string
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{
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return (string) (config('app.timezone') ?: 'UTC');
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}
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public function nowUtc(): CarbonImmutable
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{
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return CarbonImmutable::now('UTC');
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}
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public function nowLocal(?string $tz = null): CarbonImmutable
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{
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return CarbonImmutable::now($tz ?: $this->userTimezone());
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}
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public function toUtc($value, ?string $fromTz = null, string $format = 'Y-m-d H:i:s'): ?string
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{
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$dt = $this->parse($value, $fromTz);
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if (!$dt) {
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return null;
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}
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return $dt->setTimezone('UTC')->format($format);
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}
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public function toLocal($value, ?string $sourceTz = null, ?string $targetTz = null, string $format = 'Y-m-d H:i:s'): ?string
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{
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$dt = $this->parse($value, $sourceTz);
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if (!$dt) {
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return null;
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}
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return $dt->setTimezone($targetTz ?: $this->userTimezone())->format($format);
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}
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public function formatLocal($value, string $format = 'Y-m-d', ?string $sourceTz = null): string
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{
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$dt = $this->parse($value, $sourceTz);
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if (!$dt) {
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return '';
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}
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return $dt->setTimezone($this->userTimezone())->format($format);
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}
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private function parse($value, ?string $tz = null): ?CarbonImmutable
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{
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if ($value instanceof DateTimeInterface) {
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return CarbonImmutable::instance($value);
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}
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$raw = trim((string) $value);
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if ($raw === '') {
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return null;
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}
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try {
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return CarbonImmutable::parse($raw, $tz ?: $this->serverTimezone());
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} catch (\Throwable $e) {
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return null;
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}
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}
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}
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