Thunder\Serializard\Normalizer\JmsYamlNormalizer

Complexity

Total Complexity

15

Size/Duplication

Total Lines	66
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
C	__invoke()	0	56	14

<?php
namespace Thunder\Serializard\Normalizer;

use Symfony\Component\Yaml\Yaml;
use Thunder\Serializard\Exception\SerializationFailureException;

/**
 * @author Tomasz Kowalczyk <tomasz@kowalczyk.cc>
 * @codeCoverageIgnore
 */
final class JmsYamlNormalizer
{
    private $path;

    public function __construct($path)
    {
        $this->path = $path;
    }

    public function __invoke($var)
    {
        $data = file_get_contents($this->path);
        if(!$data) {
            throw new SerializationFailureException(sprintf('Failed to read file at path %s!', $this->path));
        }

        // FIXME: Cache parsed config within normalizer instance
        $yaml = Yaml::parse($data);
        $keys = array_keys($yaml);
        $yaml = $yaml[$keys[0]];
        if(!$yaml) {
            throw new SerializationFailureException('No config at '.$this->path);
        }

        $hasPolicy = array_key_exists('exclusion_policy', $yaml);
        if(!$hasPolicy || ($hasPolicy && 'ALL' !== $yaml['exclusion_policy'])) {
            throw new SerializationFailureException(sprintf('This serializer supports only ALL, %s given!', $yaml['exclusion_policy']));
        }

        $ref = new \ReflectionObject($var);
        $result = [];
        $properties = array_key_exists('properties', $yaml) ? $yaml['properties'] : [];
        foreach($properties as $key => $config) {
            if($config['expose'] !== true) {
                continue;
            }

            $name = array_key_exists('serialized_name', $config) ? $config['serialized_name'] : $key;

            if($ref->hasProperty($key)) {
                $prop = $ref->getProperty($key);
                $prop->setAccessible(true);

                $result[$name] = $prop->getValue($var);

                continue;
            }

            $method = 'get'.ucfirst($key);
            if(method_exists($var, $method)) {
                $result[$name] = $var->{$method}();

                continue;
            }

            // no method or property found, skip current key
        }

        $virtual = array_key_exists('virtual_properties', $yaml) ? $yaml['virtual_properties'] : [];
        foreach($virtual as $method => $config) {
            $result[$config['serialized_name']] = $var->{$method}();
        }

        return $result;
    }
}