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Provides autowiring for the loggers registered by symfony/monolog-bundle

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adrenalinkin/monolog-autowire-bundle

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Monolog Autowire Bundle На Русском

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knpbundles.com

Introduction

Bundle provides the ability to connect loggers registered in MonologBundle through the standard autowire mechanism. The goal is achieved thanks to auto-generated classes of loggers. Each class decorates one object of one of the registered monolog channel.

Also available is the second way to achieve the goal - using the LoggerCollection. If the requested channel does not exist - will be selected fallback logger. As fallback logger will be used service, which referenced by @Psr\Log\LoggerInterface. In that case where logger was not registered in service container will be returned instance of Psr\Log\NullLogger.

Important: Bundle will work properly in the absence of MonologBundle in the project. In that case LoggerCollection will always return a fallback value.

Installation

Step 1: Download the Bundle

Open a command console, enter your project directory and execute the following command to download the latest stable version of this bundle:

    composer require adrenalinkin/monolog-autowire-bundle

is command requires you to have Composer install globally.

Step 2: Enable the Bundle

Then, enable the bundle by updating your app/AppKernel.php file to enable the bundle:

<?php declare(strict_types=1);
// app/AppKernel.php

class AppKernel extends Kernel
{
    // ...

    public function registerBundles()
    {
        $bundles = [
            // ...

            new Linkin\Bundle\MonologAutowireBundle\LinkinMonologAutowireBundle(),
        ];

        return $bundles;
    }

    // ...
}

Configuration

To start using bundle you don't need to define some additional configuration. All parameters has values by default:

linkin_monolog_autowire:
    # directory where should be stored auto-generated loggers decorators
    loggers_dir:        '%kernel.project_dir%/var/loggers'
    # path to loggers decorator template
    decorator_template: 'ChannelLogger.php.dist'

Usage

Suppose our project has the following configuration MonologBundle:

monolog:
    handlers:
        doctrine:
            type:   stream
            path:   "%kernel.logs_dir%/%kernel.environment%.doctrine.log"
            level:  info
            channels:
                - "doctrine"

        acme:
            type:   stream
            path:   "%kernel.logs_dir%/%kernel.environment%.acme_channel.log"
            level:  info
            channels:
                - "acme_channel"

Use through auto-generated loggers

Class names are generated based on the channel name. All non-alphanumeric values are deleted, and the name is converted to the format of CamelCase. All classes begin with Channel and end with Logger.

<?php declare(strict_types=1);

use Linkin\Bundle\MonologAutowireBundle\Logger\ChannelAcmeLogLogger;
use Linkin\Bundle\MonologAutowireBundle\Logger\ChannelDoctrineLogger;
use Psr\Log\LoggerInterface;

class AcmeLoggerAware
{
    /**
     * @var ChannelDoctrineLogger
     */
    private $acmeLogLogger;

    /**
     * @var ChannelDoctrineLogger
     */
    private $doctrineLogger;

    /**
     * @var LoggerInterface
     */
    private $logger;

    /**
     * @param ChannelAcmeLogLogger $acmeLogLogger
     * @param ChannelDoctrineLogger $doctrineLogger
     * @param LoggerInterface $logger
     */
    public function __construct(
        ChannelAcmeLogLogger $acmeLogLogger,
        ChannelDoctrineLogger $doctrineLogger,
        LoggerInterface $logger
    ) {
        $this->acmeLogLogger = $acmeLogLogger;
        $this->doctrineLogger = $doctrineLogger;
        $this->logger = $logger;
    }
    
    public function doSome(): void
    {
        $this->acmeLogLogger->info('INFO into "acme_log" channel');
        $this->doctrineLogger->info('INFO into "doctrine" channel');
        $this->logger->info('INFO into Fallback or into NullLogger');
    }
}

Use through collection of loggers

<?php declare(strict_types=1);

use Linkin\Bundle\MonologAutowireBundle\Collection\LoggerCollection;
use Psr\Log\LoggerInterface;

class AcmeLoggerAware
{
    /**
     * @var LoggerInterface
     */
    private $acmeLogLogger;

    /**
     * @var LoggerInterface
     */
    private $doctrineLogger;

    /**
     * @var LoggerInterface
     */
    private $logger;

    /**
     * @param LoggerCollection $loggerCollection
     */
    public function __construct(LoggerCollection $loggerCollection) 
    {
        $this->acmeLogLogger = $loggerCollection->getLogger('acme_log');
        $this->doctrineLogger = $loggerCollection->getLogger('doctrine');
        $this->logger = $loggerCollection->getLogger();
    }
    
    public function doSome(): void
    {
        $this->acmeLogLogger->info('INFO into "acme_log" channel');
        $this->doctrineLogger->info('INFO into "doctrine" channel');
        $this->logger->info('INFO into Fallback or into NullLogger');
    }
}

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Provides autowiring for the loggers registered by symfony/monolog-bundle

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