Mdb\PayPal\Ipn\Verifier

Complexity

Total Complexity

3

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	verify()	0	13	2

<?php

namespace Mdb\PayPal\Ipn;

class Verifier
{
    public const STATUS_KEYWORD_VERIFIED = 'VERIFIED';
    public const STATUS_KEYWORD_INVALID = 'INVALID';

    /**
     * @var Service
     */
    private $service;

    public function __construct(Service $service)
    {
        $this->service = $service;
    }

    /**
     * @throws UnexpectedValueException
     */
    public function verify(Message $message) : bool
    {
        $serviceResponse = $this->service->verifyIpnMessage($message);
        $serviceResponseBody = $serviceResponse->getBody();

        $pattern = sprintf('/(%s|%s)/', self::STATUS_KEYWORD_VERIFIED, self::STATUS_KEYWORD_INVALID);

        if (!preg_match($pattern, $serviceResponseBody)) {
            throw new \UnexpectedValueException(sprintf('Unexpected verification status encountered: %s', $serviceResponseBody));
        }

        return $serviceResponseBody === self::STATUS_KEYWORD_VERIFIED;
    }
}