<?php
/*
* This file is part of the Silex framework.
*
* (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 Silex\Provider;
use Pimple\Container;
use Pimple\ServiceProviderInterface;
use Monolog\Formatter\LineFormatter;
use Monolog\Logger;
use Monolog\Handler;
use Monolog\ErrorHandler;
use Silex\Application;
use Silex\Api\BootableProviderInterface;
use Silex\Api\EventListenerProviderInterface;
use Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy;
use Symfony\Bridge\Monolog\Processor\DebugProcessor;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Silex\EventListener\LogListener;
/**
* Monolog Provider.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class MonologServiceProvider implements ServiceProviderInterface, BootableProviderInterface, EventListenerProviderInterface
{
public function register(Container $app)
{
$app['logger'] = function () use ($app) {
return $app['monolog'];
};
if ($bridge = class_exists('Symfony\Bridge\Monolog\Logger')) {
if (isset($app['request_stack'])) {
$app['monolog.not_found_activation_strategy'] = function () use ($app) {
$level = MonologServiceProvider::translateLevel($app['monolog.level']);
return new NotFoundActivationStrategy($app['request_stack'], ['^/'], $level);
};
}
}
$app['monolog.logger.class'] = $bridge ? 'Symfony\Bridge\Monolog\Logger' : 'Monolog\Logger';
$app['monolog'] = function ($app) use ($bridge) {
$log = new $app['monolog.logger.class']($app['monolog.name']);
$handler = new Handler\GroupHandler($app['monolog.handlers']);
if (isset($app['monolog.not_found_activation_strategy'])) {
$handler = new Handler\FingersCrossedHandler($handler, $app['monolog.not_found_activation_strategy']);
}
$log->pushHandler($handler);
if ($app['debug'] && $bridge) {
$log->pushProcessor(new DebugProcessor());
}
return $log;
};
$app['monolog.formatter'] = function () {
return new LineFormatter();
};
$app['monolog.handler'] = $defaultHandler = function () use ($app) {
$level = MonologServiceProvider::translateLevel($app['monolog.level']);
$handler = new Handler\StreamHandler($app['monolog.logfile'], $level, $app['monolog.bubble'], $app['monolog.permission']);
$handler->setFormatter($app['monolog.formatter']);
return $handler;
};
$app['monolog.handlers'] = function () use ($app, $defaultHandler) {
$handlers = [];
// enables the default handler if a logfile was set or the monolog.handler service was redefined
if ($app['monolog.logfile'] || $defaultHandler !== $app->raw('monolog.handler')) {
$handlers[] = $app['monolog.handler'];
}
return $handlers;
};
$app['monolog.level'] = function () {
return Logger::DEBUG;
};
$app['monolog.listener'] = function () use ($app) {
return new LogListener($app['logger'], $app['monolog.exception.logger_filter']);
};
$app['monolog.name'] = 'app';
$app['monolog.bubble'] = true;
$app['monolog.permission'] = null;
$app['monolog.exception.logger_filter'] = null;
$app['monolog.logfile'] = null;
$app['monolog.use_error_handler'] = function ($app) {
return !$app['debug'];
};
}
public function boot(Application $app)
{
if ($app['monolog.use_error_handler']) {
ErrorHandler::register($app['monolog']);
}
}
public function subscribe(Container $app, EventDispatcherInterface $dispatcher)
{
if (isset($app['monolog.listener'])) {
$dispatcher->addSubscriber($app['monolog.listener']);
}
}
public static function translateLevel($name)
{
// level is already translated to logger constant, return as-is
if (is_int($name)) {
return $name;
}
$psrLevel = Logger::toMonologLevel($name);
if (is_int($psrLevel)) {
return $psrLevel;
}
$levels = Logger::getLevels();
$upper = strtoupper($name);
if (!isset($levels[$upper])) {
throw new \InvalidArgumentException("Provided logging level '$name' does not exist. Must be a valid monolog logging level.");
}
return $levels[$upper];
}
}
