LogCapturingSpi.php

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<?php
 
namespace MediaWiki\Logger;
 
use Psr\Log\AbstractLogger;
use Psr\Log\LoggerInterface;
 
class LogCapturingSpi implements Spi {
    private $singletons;
    private $inner;
    private $logs = [];
 
    public function __construct( Spi $inner ) {
        $this->inner = $inner;
    }
 
    public function getLogs() {
        return $this->logs;
    }
 
    public function getLogger( $channel ) {
        if ( !isset( $this->singletons[$channel] ) ) {
            $this->singletons[$channel] = $this->createLogger( $channel );
        }
        return $this->singletons[$channel];
    }
 
    public function capture( $log ) {
        $this->logs[] = $log;
    }
 
    private function createLogger( $channel ) {
        $inner = $this->inner->getLogger( $channel );
        return new class( $channel, $inner, $this ) extends AbstractLogger {
            private $channel;
            private $logger;
            private $parent;
 
            // phpcs:ignore MediaWiki.Usage.NestedFunctions.NestedFunction
            public function __construct( $channel, LoggerInterface $logger, LogCapturingSpi $parent ) {
                $this->channel = $channel;
                $this->logger = $logger;
                $this->parent = $parent;
            }
 
            // phpcs:ignore MediaWiki.Usage.NestedFunctions.NestedFunction
            public function log( $level, $message, array $context = [] ) {
                $this->parent->capture( [
                    'channel' => $this->channel,
                    'level' => $level,
                    'message' => $message,
                    'context' => $context
                ] );
                $this->logger->log( $level, $message, $context );
            }
        };
    }
}