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2024-06-08 17:09:23 -04:00
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+<?php
+
+/**
+ * @file PaypalPaymentForm.php
+ *
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class PaypalPaymentForm
+ *
+ * Form for Paypal-based payments.
+ *
+ */
+
+namespace APP\plugins\paymethod\paypal;
+
+use APP\core\Application;
+use APP\core\Request;
+use APP\template\TemplateManager;
+use Omnipay\PayPal\Message\RestAuthorizeResponse;
+use PKP\config\Config;
+use PKP\form\Form;
+use PKP\payment\QueuedPayment;
+
+class PaypalPaymentForm extends Form
+{
+    /** @var PaypalPaymentPlugin */
+    public $_paypalPaymentPlugin;
+
+    /** @var QueuedPayment */
+    public $_queuedPayment;
+
+    /**
+     * @param PaypalPaymentPlugin $paypalPaymentPlugin
+     * @param QueuedPayment $queuedPayment
+     */
+    public function __construct($paypalPaymentPlugin, $queuedPayment)
+    {
+        $this->_paypalPaymentPlugin = $paypalPaymentPlugin;
+        $this->_queuedPayment = $queuedPayment;
+        parent::__construct(null);
+    }
+
+    /**
+     * @copydoc Form::display()
+     *
+     * @param null|Request $request
+     * @param null|mixed $template
+     */
+    public function display($request = null, $template = null)
+    {
+        // Application is set to sandbox mode and will not run the features of plugin
+        if (Config::getVar('general', 'sandbox', false)) {
+            error_log('Application is set to sandbox mode and no payment will be done via paypal');
+            TemplateManager::getManager($request)
+                ->assign('message', 'common.sandbox')
+                ->display('frontend/pages/message.tpl');
+            return;
+        }
+
+        try {
+            $journal = $request->getJournal();
+            $paymentManager = Application::getPaymentManager($journal);
+            $gateway = \Omnipay\Omnipay::create('PayPal_Rest');
+            $gateway->initialize([
+                'clientId' => $this->_paypalPaymentPlugin->getSetting($journal->getId(), 'clientId'),
+                'secret' => $this->_paypalPaymentPlugin->getSetting($journal->getId(), 'secret'),
+                'testMode' => $this->_paypalPaymentPlugin->getSetting($journal->getId(), 'testMode'),
+            ]);
+            $transaction = $gateway->purchase([
+                'amount' => number_format($this->_queuedPayment->getAmount(), 2, '.', ''),
+                'currency' => $this->_queuedPayment->getCurrencyCode(),
+                'description' => $paymentManager->getPaymentName($this->_queuedPayment),
+                'returnUrl' => $request->url(null, 'payment', 'plugin', [$this->_paypalPaymentPlugin->getName(), 'return'], ['queuedPaymentId' => $this->_queuedPayment->getId()]),
+                'cancelUrl' => $request->url(null, 'index'),
+            ]);
+            /** @var RestAuthorizeResponse */
+            $response = $transaction->send();
+            if ($response->isRedirect()) {
+                $request->redirectUrl($response->getRedirectUrl());
+            }
+            if (!$response->isSuccessful()) {
+                throw new \Exception($response->getMessage());
+            }
+            throw new \Exception('PayPal response was not redirect!');
+        } catch (\Exception $e) {
+            error_log('PayPal transaction exception: ' . $e->getMessage());
+            $templateMgr = TemplateManager::getManager($request);
+            $templateMgr->assign('message', 'plugins.paymethod.paypal.error');
+            $templateMgr->display('frontend/pages/message.tpl');
+        }
+    }
+}