App\Config

Complexity

Total Complexity

4

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	sanitize()	0	12	2
A	loadYaml()	0	5	1

<?php

namespace App;

use ArrayObject;
use InvalidArgumentException;
use Symfony\Component\Yaml\Yaml;

class Config extends ArrayObject
{
    /**
     * Construct a new config
     *
     * @param  string  $filename
     * @return void
     */
    public function __construct(array $input = [])
    {
        parent::__construct($input + [
            // 'workdir' => getcwd(),
            'port' => 9501,
            'events' => [],
        ]);
        $this->sanitize();
    }

    /**
     * load config.yaml
     *
     * @param  string  $filename
     * @return void
     */
    public function loadYaml(string $filename)
    {
        $config = Yaml::parseFile($filename);
        $this->exchangeArray($config + $this->getArrayCopy());
        $this->sanitize();
    }

    /**
     * Sanitize config values.
     * 
     * @return void
     * 
     * @throws \InvalidArgumentException
     */
    private function sanitize(): void
    {
        // Well-known ports: 0 to 1023
        // Registered/user ports: 1024 to 49151
        // Dynamic/private ports: 49152 to 65535
        $port = filter_var($this['port'], FILTER_VALIDATE_INT, [
            'options' => ['min_range' => 0, 'max_range' => 49151]
        ]);
        if ($port === false) {
            throw new InvalidArgumentException('Invalid port: '.$this['port'].'.', 1001);
        }
        $this['port'] = $port;
    }
}