Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\HttpKernel\Log;

use Psr\Log\AbstractLogger;

use Psr\Log\InvalidArgumentException;

use Psr\Log\LogLevel;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\RequestStack;

/**

 * Minimalist PSR-3 logger designed to write in stderr or any other stream.

 *

 * @author Kévin Dunglas <dunglas@gmail.com>

 */

class Logger extends AbstractLogger implements DebugLoggerInterface

{

    private const LEVELS = [

        LogLevel::DEBUG => 0,

        LogLevel::INFO => 1,

        LogLevel::NOTICE => 2,

        LogLevel::WARNING => 3,

        LogLevel::ERROR => 4,

        LogLevel::CRITICAL => 5,

        LogLevel::ALERT => 6,

        LogLevel::EMERGENCY => 7,

    ];

    private const PRIORITIES = [

        LogLevel::DEBUG => 100,

        LogLevel::INFO => 200,

        LogLevel::NOTICE => 250,

        LogLevel::WARNING => 300,

        LogLevel::ERROR => 400,

        LogLevel::CRITICAL => 500,

        LogLevel::ALERT => 550,

        LogLevel::EMERGENCY => 600,

    ];

    private int $minLevelIndex;

    private \Closure $formatter;

    private bool $debug = false;

    private array $logs = [];

    private array $errorCount = [];

    /** @var resource|null */

    private $handle;

    /**

     * @param string|resource|null $output

     */

    public function __construct(string $minLevel = null, $output = null, callable $formatter = null, private readonly ?RequestStack $requestStack = null)

    {

        if (null === $minLevel) {

            $minLevel = null === $output || 'php://stdout' === $output || 'php://stderr' === $output ? LogLevel::ERROR : LogLevel::WARNING;

            if (isset($_ENV['SHELL_VERBOSITY']) || isset($_SERVER['SHELL_VERBOSITY'])) {

                $minLevel = match ((int) ($_ENV['SHELL_VERBOSITY'] ?? $_SERVER['SHELL_VERBOSITY'])) {

                    -1 => LogLevel::ERROR,

                    1 => LogLevel::NOTICE,

                    2 => LogLevel::INFO,

                    3 => LogLevel::DEBUG,

                    default => $minLevel,

                };

            }

        }

        if (!isset(self::LEVELS[$minLevel])) {

            throw new InvalidArgumentException(sprintf('The log level "%s" does not exist.', $minLevel));

        }

        $this->minLevelIndex = self::LEVELS[$minLevel];

        $this->formatter = null !== $formatter ? $formatter(...) : $this->format(...);

        if ($output && false === $this->handle = \is_resource($output) ? $output : @fopen($output, 'a')) {

            throw new InvalidArgumentException(sprintf('Unable to open "%s".', $output));

        }

    }

    public function enableDebug(): void

    {

        $this->debug = true;

    }

    public function log($level, $message, array $context = []): void

    {

        if (!isset(self::LEVELS[$level])) {

            throw new InvalidArgumentException(sprintf('The log level "%s" does not exist.', $level));

        }

        if (self::LEVELS[$level] < $this->minLevelIndex) {

            return;

        }

        $formatter = $this->formatter;

        if ($this->handle) {

            @fwrite($this->handle, $formatter($level, $message, $context).\PHP_EOL);

        } else {

            error_log($formatter($level, $message, $context, false));

        }

        if ($this->debug && $this->requestStack) {

            $this->record($level, $message, $context);

        }

    }

    public function getLogs(Request $request = null): array

    {

        if ($request) {

            return $this->logs[spl_object_id($request)] ?? [];

        }

        return array_merge(...array_values($this->logs));

    }

    public function countErrors(Request $request = null): int

    {

        if ($request) {

            return $this->errorCount[spl_object_id($request)] ?? 0;

        }

        return array_sum($this->errorCount);

    }

    public function clear(): void

    {

        $this->logs = [];

        $this->errorCount = [];

    }

    private function format(string $level, string $message, array $context, bool $prefixDate = true): string

    {

        if (str_contains($message, '{')) {

            $replacements = [];

            foreach ($context as $key => $val) {

                if (null === $val || \is_scalar($val) || $val instanceof \Stringable) {

                    $replacements["{{$key}}"] = $val;

                } elseif ($val instanceof \DateTimeInterface) {

                    $replacements["{{$key}}"] = $val->format(\DateTimeInterface::RFC3339);

                } elseif (\is_object($val)) {

                    $replacements["{{$key}}"] = '[object '.$val::class.']';

                } else {

                    $replacements["{{$key}}"] = '['.\gettype($val).']';

                }

            }

            $message = strtr($message, $replacements);

        }

        $log = sprintf('[%s] %s', $level, $message);

        if ($prefixDate) {

            $log = date(\DateTimeInterface::RFC3339).' '.$log;

        }

        return $log;

    }

    private function record($level, $message, array $context): void

    {

        $request = $this->requestStack->getCurrentRequest();

        $key = $request ? spl_object_id($request) : '';

        $this->logs[$key][] = [

            'channel' => null,

            'context' => $context,

            'message' => $message,

            'priority' => self::PRIORITIES[$level],

            'priorityName' => $level,

            'timestamp' => time(),

            'timestamp_rfc3339' => date(\DATE_RFC3339_EXTENDED),

        ];

        $this->errorCount[$key] ??= 0;

        switch ($level) {

            case LogLevel::ERROR:

            case LogLevel::CRITICAL:

            case LogLevel::ALERT:

            case LogLevel::EMERGENCY:

                ++$this->errorCount[$key];

        }

    }

}