45 lines
1.0 KiB
PHP
45 lines
1.0 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace App\Services\Crawler;
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use App\Models\CrawlRule;
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use Carbon\CarbonImmutable;
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use Cron\CronExpression;
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class CrawlRuleScheduleService
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{
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public function isDue(CrawlRule $rule, ?CarbonImmutable $now = null): bool
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{
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if (! $rule->enabled) {
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return false;
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}
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$now ??= CarbonImmutable::now($rule->timezone ?: 'Asia/Shanghai');
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try {
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$cron = new CronExpression($rule->cron_expression);
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} catch (\Throwable) {
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return false;
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}
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return $cron->isDue($now);
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}
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public function nextRunAt(CrawlRule $rule, ?CarbonImmutable $from = null): ?CarbonImmutable
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{
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$from ??= CarbonImmutable::now($rule->timezone ?: 'Asia/Shanghai');
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try {
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$cron = new CronExpression($rule->cron_expression);
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$next = CarbonImmutable::instance($cron->getNextRunDate($from));
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} catch (\Throwable) {
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return null;
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}
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return $next->setTimezone('UTC');
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}
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}
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