Artprima\PrometheusMetricsBundle\DependencyInjection\Configuration

Complexity

Total Complexity

3

Size/Duplication

Total Lines	75
Duplicated Lines	0 %

Test Coverage

Coverage

90.2%

Importance

Changes	3
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	getConfigTreeBuilder()	0	70	3

<?php

declare(strict_types=1);

namespace Artprima\PrometheusMetricsBundle\DependencyInjection;

use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;
use Symfony\Component\Config\Definition\Exception\InvalidTypeException;

/**
 * This is the class that validates and merges configuration from your app/config files.
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/configuration.html}
 */
class Configuration implements ConfigurationInterface
{
    /**
     * {@inheritdoc}
     */
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder('artprima_prometheus_metrics');
        $rootNode = $treeBuilder->getRootNode();

        $supportedTypes = ['in_memory', 'apcu', 'redis'];

        $rootNode
            ->children()
                ->scalarNode('namespace')
                    ->isRequired()
                    ->cannotBeEmpty()
                ->end()
                ->scalarNode('type')
                    ->validate()
                        ->ifNotInArray($supportedTypes)
                        ->thenInvalid('The type %s is not supported. Please choose one of '.json_encode($supportedTypes))
                    ->end()
                    ->defaultValue('in_memory')
                    ->cannotBeEmpty()
                ->end()
                ->arrayNode('redis')
                    ->children()
                        ->scalarNode('host')->end()
                        ->scalarNode('port')
                            ->validate()
                                ->always()
                                // here we force casting `float` to `string` to avoid TypeError when working with Redis
                                // see for more details: https://github.com/phpredis/phpredis/issues/1538
                                ->then(function ($v) {
                                    if ($v == null) {
                                        return null;
                                    }

                                    if (!is_int($v)) {
                                        $path = 'artprima_prometheus_metrics.redis.port';
                                        $ex = new InvalidTypeException(sprintf('Invalid type for path "%s". Expected int, but got %s.', $path, gettype($v)));
                                        $ex->setPath($path);
                                        throw $ex;
                                    }

                                    return $v;
                                })
                            ->end()
                        ->end()
                        ->floatNode('timeout')->end()
                        ->floatNode('read_timeout')
                            ->validate()
                                ->always()
                                // here we force casting `float` to `string` to avoid TypeError when working with Redis
                                // see for more details: https://github.com/phpredis/phpredis/issues/1538
                                ->then(function ($v) { return (string) $v; } )
                            ->end()
                        ->end()
                        ->booleanNode('persistent_connections')->end()
                        ->scalarNode('password')->end()
                        ->integerNode('database')->end()
                    ->end()
                ->end()
                ->arrayNode('ignored_routes')
                    ->prototype('scalar')->end()
                    ->defaultValue(['prometheus_bundle_prometheus'])
                ->end()
            ->end();

        // Here you should define the parameters that are allowed to
        // configure your bundle. See the documentation linked above for
        // more information on that topic.

        return $treeBuilder;
    }
}