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<?php |
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declare(strict_types=1); |
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namespace Application\Action; |
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use Application\Model\Account; |
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use Application\Model\Transaction; |
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use Application\Model\TransactionLine; |
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use Application\Model\User; |
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use Cake\Chronos\Date; |
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use Doctrine\ORM\EntityManager; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Zend\Diactoros\Response\HtmlResponse; |
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use Zend\Expressive\Template\TemplateRendererInterface; |
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class DatatransAction extends AbstractAction |
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{ |
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/** @var TemplateRendererInterface */ |
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private $template; |
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/** |
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* @var EntityManager |
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*/ |
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private $entityManager; |
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public function __construct(EntityManager $entityManager, TemplateRendererInterface $template) |
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{ |
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$this->entityManager = $entityManager; |
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$this->template = $template; |
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} |
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/** |
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* Webhook called by datatrans when a payment was made |
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* |
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* See documentation: https://api-reference.datatrans.ch/#failed-unsuccessful-authorization-response |
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* |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$request->getMethod(); |
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$body = $request->getParsedBody(); |
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try { |
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if (!is_array($body)) { |
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throw new \Exception('Parsed body is expected to be an array but got: ' . gettype($body)); |
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} |
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$status = $body['status'] ?? ''; |
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$message = $this->dispatch($status, $body); |
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} catch (\Throwable $exception) { |
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$message = $this->createMessage('error', $exception->getMessage(), is_array($body) ? $body : []); |
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} |
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$viewModel = [ |
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'message' => $message, |
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]; |
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return new HtmlResponse($this->template->render('app::datatrans', $viewModel)); |
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} |
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/** |
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* Create a message in a coherent way |
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* |
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* @param string $status |
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* @param string $message |
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* @param array $detail |
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* |
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* @return array |
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*/ |
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private function createMessage(string $status, string $message, array $detail): array |
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{ |
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return [ |
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'status' => $status, |
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'message' => $message, |
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'detail' => $detail, |
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]; |
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} |
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/** |
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* Dispatch the data received from Datatrans to take appropriate actions |
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* |
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* @param string $status |
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* @param $body |
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* |
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* @return array |
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*/ |
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private function dispatch(string $status, array $body): array |
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{ |
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switch ($status) { |
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case 'success': |
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$this->createTransactions($body); |
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$message = $this->createMessage($status, $body['responseMessage'], $body); |
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break; |
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case 'error': |
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$message = $this->createMessage($status, $body['errorMessage'], $body); |
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break; |
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case 'cancel': |
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$message = $this->createMessage($status, 'Cancelled', $body); |
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break; |
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default: |
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throw new \Exception('Unsupported status in Datatrans data: ' . $status); |
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} |
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return $message; |
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} |
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private function createTransactions(array $body): void |
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{ |
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$userId = $body['refno'] ?? null; |
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/** @var User $user */ |
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$user = $this->entityManager->getRepository(User::class)->getOneById((int) $userId); |
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if (!$user) { |
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throw new \Exception('Cannot create transactions without a user'); |
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} |
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$account = $this->entityManager->getRepository(Account::class)->getOrCreate($user); |
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if (!array_key_exists('amount', $body)) { |
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// Do not support "registrations" |
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throw new \Exception('Cannot create transactions without an amount'); |
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} |
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$currency = $body['currency'] ?? ''; |
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if ($currency !== 'CHF') { |
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throw new \Exception('Can only create transactions for CHF, but got: ' . $currency); |
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} |
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$now = Date::today(); |
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$datatransRef = $body['uppTransactionId']; |
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$name = 'Datatrans: ' . $datatransRef; |
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$transaction = new Transaction(); |
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$this->entityManager->persist($transaction); |
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$transaction->setName($name); |
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$transaction->setTransactionDate($now); |
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$line = new TransactionLine(); |
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$this->entityManager->persist($line); |
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$line->setName($name); |
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$line->setTransactionDate($now); |
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$line->setBalance((string) ($body['amount'] / 100)); |
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$line->setDatatransRef($datatransRef); |
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$line->setTransaction($transaction); |
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$line->setCredit($account); |
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// This could be removed later on. For now it's mostly for debugging |
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$line->setRemarks(json_encode($body, JSON_PRETTY_PRINT)); |
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$this->entityManager->flush(); |
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} |
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} |
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Ecodev /
my-ichtus
