ICanBoogie\MessageBus\PSR\ContainerHandlerProvider

Complexity

Total Complexity

4

Size/Duplication

Total Lines	27
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getHandlerForMessage()	0	13	3
A	__construct()	0	6	1

<?php

/*
 * This file is part of the ICanBoogie package.
 *
 * (c) Olivier Laviale <olivier.laviale@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ICanBoogie\MessageBus\PSR;

use ICanBoogie\MessageBus\HandlerProvider;
use ICanBoogie\MessageBus\NotFound;
use Psr\Container\ContainerInterface;
use Psr\Container\NotFoundExceptionInterface;

use function get_class;

class ContainerHandlerProvider implements HandlerProvider
{
    /**
     * @param array<string, string> $handlers
     *     Where _key_ is a message class and _value_ the service identifier of its handler.
     */
    public function __construct(
        private ContainerInterface $container,
        private array $handlers
    ) {
        $this->container = $container;
        $this->handlers = $handlers;
    }

    public function getHandlerForMessage(object $message): callable
    {
        $class = get_class($message);
        $id = $this->handlers[$class] ?? null;

        if (!$id) {
            throw new NotFound("No handler for messages of type `$class`.");
        }

        try {
            return $this->container->get($id); // @phpstan-ignore-line
        } catch (NotFoundExceptionInterface $e) {
            throw new NotFound("No handler for messages of type `$class`.", $e);
        }
    }
}