[RELEASE] First release of new PayEx Checkin module for Magento 2

.gitignore

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+composer.lock
+vendor

Block/Widget/CheckinWidget.php

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+<?php
+
+namespace PayEx\Checkin\Block\Widget;
+
+use Magento\Customer\Model\ResourceModel\AddressRepository;
+use Magento\Customer\Model\ResourceModel\CustomerRepository;
+use Magento\Customer\Model\Session as CustomerSession;
+use Magento\Framework\Event\Manager as EventManager;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\View\Element\Template;
+use Magento\Store\Model\ScopeInterface;
+use Magento\Widget\Block\BlockInterface;
+use PayEx\Api\Service\Consumer\Resource\ConsumerNationalIdentifier;
+use PayEx\Api\Service\Consumer\Resource\Request\InitiateConsumerSession as ConsumerSessionResource;
+use PayEx\Api\Service\Data\RequestInterface;
+use PayEx\Api\Service\Data\ResponseInterface;
+use PayEx\Api\Service\Resource\Data\ResponseInterface as ResponseResourceInterface;
+use PayEx\Checkin\Helper\Config;
+use PayEx\Checkin\Model\ConsumerSession as PayExConsumerSession;
+use PayEx\Client\Exception\ServiceException;
+use PayEx\Client\Model\Service;
+use PayEx\Core\Logger\Logger;
+
+class CheckinWidget extends Template implements BlockInterface
+{
+    protected $_template = 'PayEx_Checkin::widget/checkin-widget.phtml';
+
+    /**
+     * @var PayExConsumerSession $consumerSession
+     */
+    protected $consumerSession;
+
+    /**
+     * @var CustomerSession|object $customerSession
+     */
+    protected $customerSession;
+
+    /**
+     * @var CustomerRepository $customerRepository
+     */
+    protected $customerRepository;
+
+    /**
+     * @var AddressRepository $addressRepository
+     */
+    protected $addressRepository;
+
+    /**
+     * @var EventManager $eventManager
+     */
+    protected $eventManager;
+
+    /**
+     * @var Logger $logger
+     */
+    protected $logger;
+
+    /**
+     * @var Service $service
+     */
+    protected $service;
+
+    /**
+     * @var Config $config
+     */
+    protected $config;
+
+    public function __construct(
+        Template\Context $context,
+        PayExConsumerSession $consumerSession,
+        CustomerSession $customerSession,
+        CustomerRepository $customerRepository,
+        AddressRepository $addressRepository,
+        EventManager $eventManager,
+        Service $service,
+        Logger $logger,
+        Config $config,
+        array $data = []
+    ) {
+        $this->consumerSession = $consumerSession;
+        $this->customerSession = $customerSession;
+        $this->customerRepository = $customerRepository;
+        $this->addressRepository = $addressRepository;
+        $this->eventManager = $eventManager;
+        $this->service = $service;
+        $this->logger = $logger;
+        $this->config = $config;
+        parent::__construct($context, $data);
+    }
+
+    public function isActive()
+    {
+        return $this->config->isActive();
+    }
+
+    public function isConsumerIdentified()
+    {
+        return $this->consumerSession->isIdentified();
+    }
+
+    /**
+     * Get default country
+     *
+     * @return string
+     */
+    public function getDefaultCountry()
+    {
+        $configPath = 'general/country/default';
+        $scope = ScopeInterface::SCOPE_STORE;
+        return $this->_scopeConfig->getValue($configPath, $scope);
+    }
+
+    /**
+     * @param ConsumerSessionResource $consumerSessionData
+     * @return ResponseInterface|false
+     * @throws \PayEx\Client\Exception\ServiceException
+     */
+    public function initiateConsumerSession(ConsumerSessionResource $consumerSessionData)
+    {
+        /** @var RequestInterface $consumerSession */
+        $consumerSession = $this->service->init('Consumer', 'InitiateConsumerSession', $consumerSessionData);
+
+        /** @var ResponseInterface $response */
+        $response = $consumerSession->send();
+
+        if (!($response instanceof ResponseInterface) || !($response->getResponseResource() instanceof ResponseResourceInterface)) {
+            $this->logger->error(sprintf('Invalid InitiateConsumerSession response: %s', print_r($response, true)));
+            return false;
+        }
+
+        $this->consumerSession->isInitiated(true);
+
+        return $response;
+    }
+
+    /**
+     * @return string|false
+     */
+    public function getCheckinScript()
+    {
+        if ($this->consumerSession->getViewOperation()) {
+            $viewOperation = $this->consumerSession->getViewOperation();
+            return $viewOperation['href'];
+        }
+
+        $consumerSessionData = new ConsumerSessionResource();
+        $consumerSessionData->setConsumerCountryCode($this->getDefaultCountry());
+
+        if ($this->customerSession->isLoggedIn()) {
+            $customerId = $this->customerSession->getCustomerId();
+            $customer = $this->customerRepository->getById($customerId);
+            $email = $customer->getEmail();
+            try {
+                $billingAddress = $this->addressRepository->getById($customer->getDefaultBilling());
+            } catch (LocalizedException $e) {
+                $this->logger->error($e->getMessage());
+                return false;
+            }
+            $msisdn = $billingAddress->getTelephone();
+            $countryCode = $billingAddress->getCountryId();
+            $this->eventManager->dispatch('payex_checkin_before_initiate_consumer_session');
+
+            $nationalIdentifierData = new ConsumerNationalIdentifier();
+            $nationalIdentifierData->setCountryCode($countryCode);
+
+            $consumerSessionData->setMsisdn($msisdn)
+                ->setEmail($email)
+                ->setConsumerCountryCode($countryCode)
+                ->setNationalIdentifier($nationalIdentifierData);
+        }
+
+        /** @var ResponseInterface|false $response */
+        try {
+            $response = $this->initiateConsumerSession($consumerSessionData);
+        } catch (ServiceException $e) {
+            $this->logger->error($e->getMessage());
+            return false;
+        }
+
+        if ($response instanceof ResponseInterface) {
+            $viewOperation = $response->getOperationByRel('view-consumer-identification');
+            $this->consumerSession->setViewOperation($viewOperation);
+            return $viewOperation['href'];
+        }
+
+        return false;
+    }
+
+    protected function _toHtml()
+    {
+        if (!$this->isActive()) {
+            return '';
+        }
+
+        return parent::_toHtml();
+    }
+}

Controller/Index/OnBillingDetailsAvailable.php

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+<?php
+
+namespace PayEx\Checkin\Controller\Index;
+
+use Magento\Customer\Model\Session;
+use Magento\Framework\App\Action\Action;
+use Magento\Framework\App\Action\Context;
+use Magento\Framework\App\Request\Http as HttpRequest;
+use Magento\Framework\App\ResponseInterface;
+use Magento\Framework\Controller\Result\Json;
+use Magento\Framework\Controller\Result\JsonFactory;
+use Magento\Framework\Controller\ResultInterface;
+use Magento\Framework\Event\Manager as EventManager;
+use Magento\Framework\View\Result\PageFactory;
+use Magento\Framework\Stdlib\Cookie\CookieMetadataFactory;
+use Magento\Framework\Stdlib\CookieManagerInterface;
+use PayEx\Checkin\Helper\Config;
+use PayEx\Checkin\Model\ConsumerSession;
+use PayEx\Client\Model\Service;
+use PayEx\Core\Logger\Logger;
+
+class OnBillingDetailsAvailable extends Action
+{
+    const COOKIE_DURATION = 86400; // One day (86400 seconds)
+
+    /** @var PageFactory $resultPageFactory */
+    protected $resultPageFactory;
+
+    /** @var JsonFactory $resultJsonFactory */
+    protected $resultJsonFactory;
+
+    /** @var Session|object $customerSession */
+    protected $customerSession;
+
+    /** @var ConsumerSession $consumerSession */
+    protected $consumerSession;
+
+    /** @var EventManager $eventManager  */
+    protected $eventManager;
+
+    /** @var Logger $logger */
+    protected $logger;
+
+    /** @var Service $service */
+    protected $service;
+
+    /** @var Config $config */
+    protected $config;
+
+    /** @var CookieManagerInterface $cookieManager */
+    protected $cookieManager;
+
+    /** @var CookieMetadataFactory $cookieMetadataFactory */
+    protected $cookieMetadataFactory;
+
+    /**
+     * OnConsumerIdentifiedController constructor.
+     * @param Context $context
+     * @param PageFactory $resultPageFactory
+     * @param JsonFactory $resultJsonFactory
+     * @param Session $customerSession
+     * @param ConsumerSession $consumerSession
+     * @param EventManager $eventManager
+     * @param Config $config
+     * @param Logger $logger
+     * @param Service $service
+     * @param CookieManagerInterface $cookieManager
+     * @param CookieMetadataFactory $cookieMetadataFactory
+     */
+    public function __construct(
+        Context $context,
+        PageFactory $resultPageFactory,
+        JsonFactory $resultJsonFactory,
+        Session $customerSession,
+        ConsumerSession $consumerSession,
+        EventManager $eventManager,
+        Config $config,
+        Logger $logger,
+        Service $service,
+        CookieManagerInterface $cookieManager,
+        CookieMetadataFactory $cookieMetadataFactory
+    ) {
+        parent::__construct($context);
+        $this->resultPageFactory = $resultPageFactory;
+        $this->resultJsonFactory = $resultJsonFactory;
+        $this->customerSession = $customerSession;
+        $this->consumerSession = $consumerSession;
+        $this->eventManager = $eventManager;
+        $this->logger = $logger;
+        $this->service = $service;
+        $this->config = $config;
+        $this->cookieManager = $cookieManager;
+        $this->cookieMetadataFactory = $cookieMetadataFactory;
+    }
+
+    /**
+     * @return ResponseInterface|Json|ResultInterface
+     * @throws \Exception
+     */
+    public function execute()
+    {
+        if (!$this->config->isActive()) {
+            $result = $this->resultJsonFactory->create();
+            $result->setData(['data' => 'Forbidden! Module is not enabled']);
+            $result->setHttpResponseCode(403);
+
+            return $result;
+        }
+
+        /** @var HttpRequest $request */
+        $request = $this->getRequest();
+        $requestBody = json_decode($request->getContent());
+
+        $this->eventManager->dispatch('payex_checkin_before_billing_details_available', (array) $requestBody);
+
+        try {
+            $url = $requestBody->url;
+
+            /** @var \PayEx\Api\Service\Data\RequestInterface $session */
+            $session = $this->service->init('Consumer', 'GetBillingDetails');
+            $session->setRequestMethod('GET');
+            $session->setRequestEndpoint($url);
+            $response = $session->send()->getResponseData();
+
+            $metadata = $this->cookieMetadataFactory
+                ->createPublicCookieMetadata()
+                ->setDuration(self::COOKIE_DURATION)
+                ->setPath($this->consumerSession->getCookiePath())
+                ->setDomain($this->consumerSession->getCookieDomain());
+
+            $this->cookieManager
+                ->setPublicCookie('billingDetails', json_encode($response), $metadata);
+
+            $result = $this->resultJsonFactory->create();
+            $result->setData(['data' => $response]);
+            $result->setHttpResponseCode(200);
+        } catch (\Exception $exception) {
+            $this->logger->Error($exception->getMessage());
+            $result = $this->resultJsonFactory->create();
+            $result->setHttpResponseCode(400);
+        }
+
+        return $result;
+    }
+}