Passed
Push — master ( 5319ee...e6b641 )
by Dani
02:13
created

Postpay::getClient()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 2
cts 2
cp 1
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 0
crap 1
1
<?php
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namespace Postpay;
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use Exception;
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use InvalidArgumentException;
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use Postpay\Exceptions\PostpayException;
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use Postpay\Http\Request;
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use Postpay\HttpClients\Client;
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use Postpay\HttpClients\ClientInterface;
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use Postpay\HttpClients\CurlClient;
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use Postpay\HttpClients\GuzzleClient;
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class Postpay
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{
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    /**
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     * @const string Version number of the Postpay SDK.
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     */
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    const VERSION = '0.0.1';
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    /**
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     * @const string Default API version for requests.
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     */
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    const DEFAULT_API_VERSION = 'v1';
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    /**
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     * @const string GraphQL path.
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     */
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    const GRAPHQL_PATH = '/graphql';
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    /**
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     * @const string GraphQL version for requests.
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     */
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    const GRAPHQL_VERSION = 'graphql';
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    /**
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     * @const string The name of the environment variable that contains the merchant ID.
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     */
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    const MERCHANT_ID_ENV_NAME = 'POSTPAY_MERCHANT_ID';
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    /**
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     * @const string The name of the environment variable that contains the secret key.
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     */
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    const SECRET_KEY_ENV_NAME = 'POSTPAY_SECRET_KEY';
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    /**
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     * @var Client The Postpay client service.
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     */
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    protected $client;
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    /**
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     * @var array The basic auth credentials.
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     */
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    protected $auth;
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    /**
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     * @var string|null The default API version.
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     */
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    protected $apiVersion;
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    /**
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     * @var bool Set to true for sandbox requests.
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     */
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    protected $sandbox;
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    /**
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     * @var \Postpay\Http\Response|null Stores the last request.
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     */
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    protected $lastResponse;
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    /**
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     * Instantiates a new Postpay super-class object.
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     *
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     * @param array $config
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     *
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     * @throws PostpayException
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     */
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    public function __construct(array $config = [])
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    {
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        $config = array_merge([
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            'client_handler' => null,
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            'merchant_id' => getenv(static::MERCHANT_ID_ENV_NAME),
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            'secret_key' => getenv(static::SECRET_KEY_ENV_NAME),
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            'api_version' => static::DEFAULT_API_VERSION,
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            'sandbox' => false,
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        ], $config);
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        if ((!$config['merchant_id']) or (!$config['secret_key'])) {
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            throw new PostpayException('Basic credentials required.');
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        }
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        $this->client = new Client(
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            self::createClientHandler($config['client_handler'])
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        );
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        $this->auth = [$config['merchant_id'], $config['secret_key']];
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        $this->apiVersion = $config['api_version'];
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        $this->sandbox = $config['sandbox'];
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    }
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    /**
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     * Returns the client service.
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     *
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     * @return Client
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     */
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    public function getClient()
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    {
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        return $this->client;
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    }
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    /**
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     * Creates a client handler.
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     *
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     * @param ClientInterface|string|null $handler
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     *
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     * @throws \Exception               If extensions aren't available.
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     * @throws InvalidArgumentException If client handler is invalid.
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     *
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     * @return ClientInterface
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     */
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    public static function createClientHandler($handler = null)
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    {
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        if ($handler instanceof ClientInterface) {
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            return $handler;
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        }
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        $handler = $handler ?: 'curl';
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        if ('curl' === $handler) {
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            if (!extension_loaded('curl')) {
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                throw new Exception('cURL extension must be loaded.');
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            }
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            return new CurlClient();
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        }
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        if ('guzzle' === $handler) {
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            if (!class_exists('GuzzleHttp\Client')) {
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                throw new Exception('GuzzleHttp\Client must be included.');
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            }
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            return new GuzzleClient();
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        }
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        throw new InvalidArgumentException('Invalid client handler.');
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    }
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    /**
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     * Sets the HTTP client handler.
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     *
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     * @param ClientInterface $clientHandler
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     */
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    public function setClientHandler($clientHandler)
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    {
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        $this->client->setClientHandler(
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            self::createClientHandler($clientHandler)
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        );
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    }
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    /**
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     * Returns the last response returned from API.
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     *
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     * @return \Postpay\Http\Response|null
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     */
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    public function getLastResponse()
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    {
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        return $this->lastResponse;
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    }
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    /**
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     * Sends a GET request to API and returns the response.
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     *
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     * @param string $path
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     * @param array  $params
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
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    public function get($path, array $params = [])
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    {
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        return $this->request('GET', $path, $params);
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    }
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    /**
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     * Sends a POST request to API and returns the response.
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     *
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     * @param string $path
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     * @param array  $params
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
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    public function post($path, array $params = [])
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    {
190 1
        return $this->request('POST', $path, $params);
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    }
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    /**
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     * Sends a PUT request to API and returns the response.
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     *
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     * @param string $path
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     * @param array  $params
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
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    public function put($path, array $params = [])
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    {
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        return $this->request('PUT', $path, $params);
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    }
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    /**
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     * Sends a PATCH request to API and returns the response.
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     *
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     * @param string $path
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     * @param array  $params
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
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    public function patch($path, array $params = [])
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    {
220 1
        return $this->request('PATCH', $path, $params);
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    }
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    /**
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     * Sends a DELETE request to API and returns the response.
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     *
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     * @param string $path
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     * @param array  $params
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
233 1
    public function delete($path, array $params = [])
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    {
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        return $this->request('DELETE', $path, $params);
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    }
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    /**
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     * Sends a query to GraphQL API and returns the response.
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     *
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     * @param string $query
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     * @param array  $variables
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
248 1
    public function query($query, array $variables = [])
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    {
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        $params = [
251 1
            'query' => $query,
252 1
            'variables' => $variables,
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        ];
254 1
        return $this->request(
255 1
            'POST',
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            self::GRAPHQL_PATH,
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            $params,
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            self::GRAPHQL_VERSION
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        );
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    }
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    /**
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     * Sends a request to API and returns the response.
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     *
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     * @param string      $method
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     * @param string      $path
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     * @param array       $params
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     * @param string|null $apiVersion
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     *
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     * @return \Postpay\Http\Response
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     *
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     * @throws PostpayException
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     */
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    public function request(
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        $method,
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        $path,
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        array $params = [],
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        $apiVersion = null
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    ) {
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        $request = new Request(
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            $method,
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            $path,
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            $params,
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            $this->auth,
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            $apiVersion ?: $this->apiVersion,
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            $this->sandbox
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        );
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        return $this->lastResponse = $this->client->request($request);
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    }
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}
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