Yiisoft\Queue\Message\JsonMessageSerializer

Complexity

Total Complexity

12

Size/Duplication

Total Lines	62
Duplicated Lines	0 %

Test Coverage

Coverage

85.29%

Importance

Changes	3
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	serialize()	0	9	2
B	unserialize()	0	42	10

<?php

declare(strict_types=1);

namespace Yiisoft\Queue\Message;

use InvalidArgumentException;
use JsonException;

final class JsonMessageSerializer implements MessageSerializerInterface
{
    /**
     * @throws JsonException
     */
    public function serialize(MessageInterface $message): string
    {
        $payload = [
            'data' => $message->getData(),
            'meta' => $message->getMetadata(),
            'class' => $message instanceof EnvelopeInterface ? $message->getMessage()::class : $message::class,
        ];

        return json_encode($payload, JSON_THROW_ON_ERROR);
    }

    /**
     * @throws JsonException
     * @throws InvalidArgumentException
     */
    public function unserialize(string $value): MessageInterface
    {
        $payload = json_decode($value, true, 512, JSON_THROW_ON_ERROR);
        if (!is_array($payload)) {
            throw new InvalidArgumentException('Payload must be array. Got ' . get_debug_type($payload) . '.');
        }

        $meta = $payload['meta'] ?? [];
        if (!is_array($meta)) {
            throw new InvalidArgumentException('Metadata must be array. Got ' . get_debug_type($meta) . '.');
        }
        $class = $payload['class'] ?? Message::class;

        if (!is_subclass_of($class, MessageInterface::class)) {
            throw new InvalidArgumentException(sprintf(
                'Class "%s" must implement "%s" interface.',
                $class,
                MessageInterface::class,
            ));
        }

        /**
         * @var MessageInterface $message
         */
        $message = new $class($payload['data'] ?? null, $meta);

        if (isset($meta[EnvelopeInterface::ENVELOPE_STACK_KEY]) && is_array($meta[EnvelopeInterface::ENVELOPE_STACK_KEY])) {
            $message = $message->withMetadata(
                array_merge(
                    $message->getMetadata(),
                    $meta,
                    [EnvelopeInterface::ENVELOPE_STACK_KEY => []],
                ),
            );
            foreach ($meta[EnvelopeInterface::ENVELOPE_STACK_KEY] as $envelope) {
                if (is_string($envelope) && class_exists($envelope) && is_subclass_of($envelope, EnvelopeInterface::class)) {
                    $message = $envelope::fromMessage($message);
                }
            }
        }

        return $message;
    }
}