PhpLightning\Invoice\Domain\BackendInvoice\LnbitsBackendInvoice

Complexity

Total Complexity

4

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	requestInvoice()	0	34	3

<?php

declare(strict_types=1);

namespace PhpLightning\Invoice\Domain\BackendInvoice;

use PhpLightning\Invoice\Domain\Http\HttpApiInterface;
use PhpLightning\Shared\Transfer\BackendInvoiceResponse;

final class LnbitsBackendInvoice implements BackendInvoiceInterface
{
    /**
     * @param array{api_key:string, api_endpoint:string} $options
     */
    public function __construct(
        private HttpApiInterface $httpApi,
        private array $options,
    ) {
    }

    public function requestInvoice(int $satsAmount, string $metadata = ''): BackendInvoiceResponse
    {
        $endpoint = $this->options['api_endpoint'] . '/api/v1/payments';

        $content = [
            'out' => false,
            'amount' => $satsAmount,
            'unhashed_description' => bin2hex($metadata),
            // 'description_hash' => hash('sha256', $metadata),
        ];

        $response = $this->httpApi->postRequestInvoice(
            $endpoint,
            body: json_encode($content, JSON_THROW_ON_ERROR),
            headers: [
                'Content-Type' => 'application/json',
                'X-Api-Key' => $this->options['api_key'],
            ],
        );

        if ($response === null) {
            return (new BackendInvoiceResponse())
                ->setStatus('ERROR')
                ->setPaymentRequest('Backend "LnBits" unreachable');
        }

        if (!isset($response['payment_request'])) {
            return (new BackendInvoiceResponse())
                ->setStatus('ERROR')
                ->setPaymentRequest('No payment_request found');
        }

        return (new BackendInvoiceResponse())
            ->setPaymentRequest($response['payment_request']);
    }
}