SergeyNezbritskiy\NovaPoshta\Connection

Complexity

Total Complexity

8

Size/Duplication

Total Lines	63
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	post()	0	23	5
A	getResponseBody()	0	8	2

<?php

declare(strict_types=1);

namespace SergeyNezbritskiy\NovaPoshta;

use GuzzleHttp\Client as HttpClient;
use GuzzleHttp\Exception\GuzzleException;
use GuzzleHttp\RequestOptions;
use Psr\Http\Message\ResponseInterface;

/**
 * Class Connection
 */
class Connection
{
    private const API_URI = 'https://api.novaposhta.ua/v2.0/json/';
    private const ERROR_MSG_TEMPLATE = 'Connection to Nova Poshta API failed: %s';
    private string $apiKey;
    private HttpClient $client;

    /**
     * @param string $apiKey
     * @param HttpClient $client
     */
    public function __construct(string $apiKey, HttpClient $client)
    {
        $this->apiKey = $apiKey;
        $this->client = $client;
    }

    /**
     * @param string $model
     * @param string $method
     * @param array $params
     * @return array
     * @throws NovaPoshtaApiException
     */
    public function post(string $model, string $method, array $params = []): array
    {
        try {
            $request = [
                'apiKey' => $this->apiKey,
                'modelName' => $model,
                'calledMethod' => $method,
                'methodProperties' => $params
            ];
            $response = $this->client->request('POST', self::API_URI, [RequestOptions::JSON => $request]);
            if ($response->getStatusCode() !== 200) {
                throw new NovaPoshtaApiException(sprintf(self::ERROR_MSG_TEMPLATE, $response->getReasonPhrase()));
            }

            $body = $this->getResponseBody($response);

            if ($body['success'] === false) {
                $error = array_shift($body['errors']) ?: array_shift($body['warnings']);
                throw new NovaPoshtaApiException(sprintf(self::ERROR_MSG_TEMPLATE, $error));
            }
            return $body['data'];
        } catch (GuzzleException $e) {
            throw new NovaPoshtaApiException(sprintf(self::ERROR_MSG_TEMPLATE, $e->getMessage()), $e->getCode(), $e);
        }
    }

    /**
     * @param ResponseInterface $response
     * @return array
     * @throws NovaPoshtaApiException
     */
    private function getResponseBody(ResponseInterface $response): array
    {
        $content = $response->getBody()->getContents();
        $result = json_decode($content, true);
        if (empty($result)) {
            throw new NovaPoshtaApiException('Invalid response from Nova Poshta API');
        }
        return $result;
    }
}