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<?php |
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namespace App\Controller; |
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use App\Entity\Transaction; |
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use App\Service\AlmaApi; |
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use Symfony\Bundle\FrameworkBundle\Controller\Controller; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\Routing\Annotation\Route; |
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/** |
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* This controller processes the "Silent POST" requests send back from Payflow Link |
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* after a payment has been processed. |
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*/ |
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class ResultController extends Controller |
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{ |
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private $api; |
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public function __construct(AlmaApi $api) |
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{ |
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$this->api = $api; |
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} |
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/** |
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* Process a "Silent POST" request from Payflow Link and updated the status of |
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* the transaction within the Payments Application and the fees in Alma. |
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* |
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* See "Data Returned by the Post and Silent Post Features" on page 56 of the |
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* Payflow Link User's Guide (https://www.paypalobjects.com/webstatic/en_US/developer/docs/pdf/pp_payflowlink_guide.pdf) |
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* for more information. |
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* |
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* @Route("/result", name="result") |
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* @param Request $request |
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* @return Response |
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*/ |
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public function result(Request $request) |
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{ |
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//No result code in the request |
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$resultCode = $request->request->get('RESULT'); |
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if (is_null($resultCode)) { |
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return new Response('Missing result code', Response::HTTP_BAD_REQUEST); |
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} |
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//Cannot find the transaction in the database |
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$invoiceNumber = $request->request->get('INVOICE'); |
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$transaction = $this->getDoctrine()->getRepository(Transaction::class)->findOneBy(['invoice_number' => $invoiceNumber]); |
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if (!$transaction) { |
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return new Response('Cannot find the transaction', Response::HTTP_BAD_REQUEST); |
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} |
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//The transaction is already paid or updated. |
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$status = $transaction->getStatus(); |
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if ($status === Transaction::STATUS_PAID || $status === Transaction::STATUS_COMPLETED) { |
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return new Response('The transaction is completed.', Response::HTTP_BAD_REQUEST); |
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} |
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//Amount does not match. |
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$entityManager = $this->getDoctrine()->getManager(); |
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if ($transaction->getTotalBalance() != $request->request->get('AMOUNT')) { |
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$transaction->setStatus(Transaction::STATUS_ERROR); |
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$entityManager->persist($transaction); |
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$entityManager->flush(); |
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return new Response('Invalid amount', Response::HTTP_BAD_REQUEST); |
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} |
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//Communication error |
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if ($resultCode < 0) { |
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return new Response('Communication error', Response::HTTP_OK); |
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} |
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//The transaction is declined on Payflow. |
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if ($resultCode > 0) { |
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$transaction->setStatus(Transaction::STATUS_DECLINED); |
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$entityManager->persist($transaction); |
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$entityManager->flush(); |
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return new Response('Declined by Payflow', Response::HTTP_OK); |
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} |
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//The transaction is declined by PayPal due to AVS or CSC check failed. |
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$responseMessage = $request->request->get('RESPMSG'); |
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if ($resultCode == 0 && ($responseMessage == 'AVSDECLINED' || $responseMessage == 'CSCDECLINED')) { |
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$transaction->setStatus(Transaction::STATUS_DECLINED); |
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$entityManager->persist($transaction); |
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$entityManager->flush(); |
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return new Response('Declined by Payflow', Response::HTTP_OK); |
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} |
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$transaction->setStatus(Transaction::STATUS_PAID); |
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if ($this->updateFeesOnAlma($transaction)) { |
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$transaction->setStatus(Transaction::STATUS_COMPLETED); |
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} else { |
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$transaction->setStatus(Transaction::STATUS_FAILED); |
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} |
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$entityManager->persist($transaction); |
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$entityManager->flush(); |
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return new Response("Success", Response::HTTP_OK); |
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} |
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/** |
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* Update the fees in a given transaction using the Alma API. |
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* |
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* @param Transaction $transaction |
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* @return $result -- true if the update succeeded, false otherwise. |
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*/ |
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private function updateFeesOnAlma(Transaction $transaction) |
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{ |
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$result = false; |
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$fees = $transaction->getFees(); |
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foreach ($fees as $fee) { |
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try { |
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$this->api->payUserFee($transaction->getUserId(), $fee->getFeeId(), $fee->getBalance()); |
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$result = true; |
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} catch (\GuzzleHttp\Exception\GuzzleException $e) { |
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echo $e->getCode() . $e->getMessage(); |
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} |
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} |
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return $result; |
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} |
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} |
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ualibraries /
ual-payments
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