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Merge pull request #573 from patchlevel/catchup-subscription-engine
add catch up subscription engine
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| <?php | ||
|
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| declare(strict_types=1); | ||
|
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| namespace Patchlevel\EventSourcing\Subscription\Engine; | ||
|
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| use Patchlevel\EventSourcing\Subscription\Subscription; | ||
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| use function array_merge; | ||
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| use const PHP_INT_MAX; | ||
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| final class CatchUpSubscriptionEngine implements SubscriptionEngine | ||
| { | ||
| public function __construct( | ||
| private readonly SubscriptionEngine $parent, | ||
| private readonly int|null $limit = null, | ||
| ) { | ||
| } | ||
|
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| public function setup(SubscriptionEngineCriteria|null $criteria = null, bool $skipBooting = false): Result | ||
| { | ||
| return $this->parent->setup($criteria, $skipBooting); | ||
| } | ||
|
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| public function boot(SubscriptionEngineCriteria|null $criteria = null, int|null $limit = null): ProcessedResult | ||
| { | ||
| $results = []; | ||
|
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| $catchupLimit = $this->limit ?? PHP_INT_MAX; | ||
|
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| for ($i = 0; $i < $catchupLimit; $i++) { | ||
| $lastResult = $this->parent->boot($criteria, $limit); | ||
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| $results[] = $lastResult; | ||
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| if ($lastResult->processedMessages === 0) { | ||
| break; | ||
| } | ||
| } | ||
|
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| return $this->mergeResult(...$results); | ||
| } | ||
|
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| public function run(SubscriptionEngineCriteria|null $criteria = null, int|null $limit = null): ProcessedResult | ||
| { | ||
| $mergedResult = new ProcessedResult(0); | ||
|
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| $catchupLimit = $this->limit ?? PHP_INT_MAX; | ||
|
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| for ($i = 0; $i < $catchupLimit; $i++) { | ||
| $result = $this->parent->run($criteria, $limit); | ||
| $mergedResult = $this->mergeResult($mergedResult, $result); | ||
|
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| if ($result->processedMessages === 0) { | ||
| break; | ||
| } | ||
| } | ||
|
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| return $mergedResult; | ||
| } | ||
|
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| public function teardown(SubscriptionEngineCriteria|null $criteria = null): Result | ||
| { | ||
| return $this->parent->teardown($criteria); | ||
| } | ||
|
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| public function remove(SubscriptionEngineCriteria|null $criteria = null): Result | ||
| { | ||
| return $this->parent->remove($criteria); | ||
| } | ||
|
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| public function reactivate(SubscriptionEngineCriteria|null $criteria = null): Result | ||
| { | ||
| return $this->parent->reactivate($criteria); | ||
| } | ||
|
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| public function pause(SubscriptionEngineCriteria|null $criteria = null): Result | ||
| { | ||
| return $this->parent->pause($criteria); | ||
| } | ||
|
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| /** @return list<Subscription> */ | ||
| public function subscriptions(SubscriptionEngineCriteria|null $criteria = null): array | ||
| { | ||
| return $this->parent->subscriptions($criteria); | ||
| } | ||
|
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| private function mergeResult(ProcessedResult ...$results): ProcessedResult | ||
| { | ||
| $processedMessages = 0; | ||
| $streamFinished = false; | ||
| $errors = []; | ||
|
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| foreach ($results as $result) { | ||
| $processedMessages += $result->processedMessages; | ||
| $streamFinished = $result->streamFinished; | ||
| $errors[] = $result->errors; | ||
| } | ||
|
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| return new ProcessedResult( | ||
| $processedMessages, | ||
| $streamFinished, | ||
| array_merge(...$errors), | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| <?php | ||
|
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| declare(strict_types=1); | ||
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| namespace Patchlevel\EventSourcing\Tests\Integration\Subscription\Events; | ||
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| use Patchlevel\EventSourcing\Attribute\Event; | ||
|
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| #[Event('profile.admin_promoted')] | ||
| final class AdminPromoted | ||
| { | ||
| } |
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