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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * This file is part of php-fast-forward/event-dispatcher. |
| 7 | * |
| 8 | * This source file is subject to the license bundled |
| 9 | * with this source code in the file LICENSE. |
| 10 | * |
| 11 | * @copyright Copyright (c) 2025-2026 Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 12 | * @license https://opensource.org/licenses/MIT MIT License |
| 13 | * |
| 14 | * @see https://github.com/php-fast-forward/event-dispatcher |
| 15 | * @see https://github.com/php-fast-forward |
| 16 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 17 | */ |
| 18 | |
| 19 | namespace FastForward\EventDispatcher\ListenerProvider; |
| 20 | |
| 21 | use FastForward\EventDispatcher\Event\ErrorEvent; |
| 22 | use FastForward\EventDispatcher\Event\NamedEvent; |
| 23 | use Psr\Log\LoggerInterface; |
| 24 | use Psr\Log\LogLevel; |
| 25 | |
| 26 | /** |
| 27 | * Log every dispatched object through a PSR-3 logger. |
| 28 | */ |
| 29 | class LogEventListenerProvider extends WildcardListenerProvider |
| 30 | { |
| 31 | /** |
| 32 | * Create a listener that records dispatched events. |
| 33 | * |
| 34 | * @param LoggerInterface $logger logger used to record the event |
| 35 | * @param string $level PSR-3 log level |
| 36 | */ |
| 37 | public function __construct( |
| 38 | private LoggerInterface $logger, |
| 39 | private string $level = LogLevel::INFO, |
| 40 | ) {} |
| 41 | |
| 42 | /** |
| 43 | * Log the provided event. |
| 44 | * |
| 45 | * @param object $event event emitted by the dispatcher |
| 46 | */ |
| 47 | public function __invoke(object $event): void |
| 48 | { |
| 49 | $this->logger->log($this->level, 'Event dispatched', $this->createContext($event)); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Create the log context for the event. |
| 54 | * |
| 55 | * @param object $event event being logged |
| 56 | * |
| 57 | * @return array<string, mixed> log context |
| 58 | */ |
| 59 | private function createContext(object $event): array |
| 60 | { |
| 61 | $context = [ |
| 62 | 'event' => $event, |
| 63 | 'event_class' => $event::class, |
| 64 | ]; |
| 65 | |
| 66 | if ($event instanceof NamedEvent) { |
| 67 | $context['event_name'] = $event->getName(); |
| 68 | $context['wrapped_event'] = $event->getEvent(); |
| 69 | $context['wrapped_event_class'] = $event->getEvent()::class; |
| 70 | } |
| 71 | |
| 72 | if ($event instanceof ErrorEvent) { |
| 73 | $context['exception'] = $event->getThrowable(); |
| 74 | $context['original_event'] = $event->getEvent(); |
| 75 | $context['original_event_class'] = $event->getEvent()::class; |
| 76 | } |
| 77 | |
| 78 | return $context; |
| 79 | } |
| 80 | } |