Issue #3261305 by jurgenhaas: Add an action to write a log message (32116412) · Commits · project / eca

modules/log/eca_log.info.yml

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		name: 'ECA Log'
		type: module
		description: 'Events and actions for Drupal log messages.'
		core_version_requirement: ^9
		package: ECA
		dependencies:
		- eca:eca

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		services:

		eca_log.subscriber:
		class: Drupal\eca_log\EventSubscriber\EcaLog
		arguments: ['@eca.processor']
		tags:
		- { name: event_subscriber }

		logger.eca_log:
		class: Drupal\eca_log\Logger\EcaLog
		arguments: ['@event_dispatcher']
		tags:
		- { name: logger }

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		<?php

		namespace Drupal\eca_log\Event;

		use Drupal\Component\EventDispatcher\Event;
		use Drupal\Core\Logger\RfcLogLevel;
		use Drupal\eca\Event\ConditionalApplianceInterface;

		/**
		* Class LogMessageEvent
		*
		* @package Drupal\eca_log\Event
		*/
		class LogMessageEvent extends Event implements ConditionalApplianceInterface {

		/**
		* @var int
		*/
		protected int $severity;

		/**
		* @var string
		*/
		protected string $message;

		/**
		* @var array
		*/
		protected array $context;

		/**
		* Construct a LogMessageEvent.
		*
		* @param int $severity
		* @param string $message
		* @param array $context
		*/
		public function __construct(int $severity, string $message, array $context) {
		$this->severity = $severity;
		$this->message = $message;
		$this->context = $context;
		}

		/**
		* @return string[]
		*/
		public static function fields(): array {
		return [
		[
		'name' => 'channel',
		'label' => 'Channel',
		'type' => 'String',
		],
		[
		'name' => 'min_severity',
		'label' => 'Minimum severity',
		'type' => 'Dropdown',
		'extras' => [
		'choices' => self::severities(),
		],
		]
		];
		}

		/**
		* {@inheritdoc}
		*/
		public function applies(string $id, array $arguments): bool {
		return (($arguments['channel'] === '') \|\| ($arguments['channel'] === $this->context['channel'])) && $this->severity <= $arguments['min_severity'];
		}

		/**
		* Prepare log levels for drop down fields.
		*
		* @return array
		*/
		protected static function severities(): array {
		$severities = [];
		foreach (RfcLogLevel::getLevels() as $level => $label) {
		$severities[] = [
		'name' => $label,
		'value' => (string) $level,
		];
		}
		return $severities;
		}

		}

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		<?php

		namespace Drupal\eca_log\EventSubscriber;

		use Drupal\eca\EventSubscriber\EcaBase;
		use Drupal\eca_log\Plugin\ECA\Event\LogEvent;

		/**
		* ECA log event subscriber.
		*/
		class EcaLog extends EcaBase {

		/**
		* {@inheritdoc}
		*/
		public static function getSubscribedEvents(): array {
		$events = [];
		foreach (LogEvent::actions() as $action) {
		$events[$action['drupal_id']][] = ['onEvent'];
		}
		return $events;
		}

		}

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		<?php

		namespace Drupal\eca_log;

		/**
		* Defines events provided by the ECA Log module.
		*/
		final class LogEvents {

		/**
		* Dispatches an event when a log message is being created.
		*
		* @Event
		*
		* @var string
		*/
		public const MESSAGE = 'eca_log.message';

		}