From 80215ad97ac4e8b795efd58226a7c50f1a19f3dc Mon Sep 17 00:00:00 2001
From: "david.owusu" <david.owusu@unzer.com>
Date: Mon, 5 Feb 2024 17:25:24 +0100
Subject: [PATCH 1/3] [CC-724] Add googlepay example

---
 examples/Googlepay/Constants.php  |   9 ++
 examples/Googlepay/Controller.php |  95 +++++++++++++++
 examples/Googlepay/index.php      | 193 ++++++++++++++++++++++++++++++
 examples/index.php                |  12 ++
 4 files changed, 309 insertions(+)
 create mode 100644 examples/Googlepay/Constants.php
 create mode 100644 examples/Googlepay/Controller.php
 create mode 100644 examples/Googlepay/index.php

diff --git a/examples/Googlepay/Constants.php b/examples/Googlepay/Constants.php
new file mode 100644
index 00000000..863a4e4f
--- /dev/null
+++ b/examples/Googlepay/Constants.php
@@ -0,0 +1,9 @@
+<?php
+/**
+ * This file defines the constants needed for the Google Pay example.
+ */
+
+require_once __DIR__ . '/../Constants.php';
+
+define('EXAMPLE_URL', EXAMPLE_BASE_FOLDER . 'Googlepay');
+define('CONTROLLER_URL', EXAMPLE_URL . '/Controller.php');
diff --git a/examples/Googlepay/Controller.php b/examples/Googlepay/Controller.php
new file mode 100644
index 00000000..7b3692e1
--- /dev/null
+++ b/examples/Googlepay/Controller.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * This is the controller for the Google Pay example.
+ * It is called when the pay button on the index page is clicked.
+ *
+ * @link  https://docs.unzer.com/
+ *
+ */
+
+/** Require the constants of this example */
+const TRANSACTION_STATUS_KEY = 'transactionStatus';
+const REDIRECT_URL_KEY = 'redirectUrl';
+require_once __DIR__ . '/Constants.php';
+
+/** @noinspection PhpIncludeInspection */
+/** Require the composer autoloader file */
+require_once __DIR__ . '/../../../../autoload.php';
+
+use UnzerSDK\examples\ExampleDebugHandler;
+use UnzerSDK\Exceptions\UnzerApiException;
+use UnzerSDK\Unzer;
+
+session_start();
+session_unset();
+
+$clientMessage = 'Something went wrong. Please try again later.';
+$merchantMessage = 'Something went wrong. Please try again later.';
+
+function redirect($url, $merchantMessage = '', $clientMessage = '')
+{
+    $_SESSION['merchantMessage'] = $merchantMessage;
+    $_SESSION['clientMessage']   = $clientMessage;
+    header('Location: ' . $url);
+    die();
+}
+
+// These lines are just for this example
+$jsonData      = json_decode(file_get_contents('php://input'), false);
+$paymentTypeId = $jsonData->typeId;
+$transactionType = $jsonData->transaction_type ?? 'authorize';
+
+// You will need the id of the payment type created in the frontend (index.php)
+if (empty($paymentTypeId)) {
+    echo json_encode(['result' => false]);
+    return;
+}
+
+$transactionResult = [
+    TRANSACTION_STATUS_KEY => 'error',
+    REDIRECT_URL_KEY => ''
+];
+
+// Catch API errors, write the message to your log and show the ClientMessage to the client.
+try {
+    // Create an Unzer object using your private key and register a debug handler if you want to.
+    $unzer = new Unzer(UNZER_PAPI_PRIVATE_KEY);
+    $unzer->setDebugMode(true)->setDebugHandler(new ExampleDebugHandler());
+
+    if ($transactionType === 'charge') {
+        $charge = new \UnzerSDK\Resources\TransactionTypes\Charge(12.32, 'EUR', RETURN_CONTROLLER_URL);
+        $transaction = $unzer->performCharge($charge, $paymentTypeId);
+    } else {
+        $authorize = new \UnzerSDK\Resources\TransactionTypes\Authorization(12.32, 'EUR', RETURN_CONTROLLER_URL);
+        $transaction = $unzer->performAuthorization($authorize, $paymentTypeId);
+    }
+
+    // You'll need to remember the paymentId for later in the ReturnController
+    $_SESSION['PaymentId'] = $transaction->getPaymentId();
+    $_SESSION['ShortId'] = $transaction->getShortId();
+
+    $redirectUrl = $transaction->getRedirectUrl();
+
+    if (!empty($redirectUrl)) {
+        $transactionResult[REDIRECT_URL_KEY] = $redirectUrl;
+    }
+
+    if ($transaction->isSuccess()) {
+        $transactionResult[TRANSACTION_STATUS_KEY] = 'success';
+        echo json_encode($transactionResult);
+        return;
+    }
+    if ($transaction->isPending()) {
+        $transactionResult[TRANSACTION_STATUS_KEY] = 'pending';
+
+        echo json_encode($transactionResult);
+        return;
+    }
+} catch (UnzerApiException $e) {
+    $_SESSION['merchantMessage'] = $e->getMerchantMessage();
+    $_SESSION['clientMessage'] = $e->getClientMessage();
+} catch (RuntimeException $e) {
+    $_SESSION['merchantMessage'] = $e->getMessage();
+}
+
+echo json_encode($transactionResult);
diff --git a/examples/Googlepay/index.php b/examples/Googlepay/index.php
new file mode 100644
index 00000000..b878cb08
--- /dev/null
+++ b/examples/Googlepay/index.php
@@ -0,0 +1,193 @@
+<?php
+
+/**
+ * This file provides an example implementation of the Googlepay payment type.
+ */
+
+/** Require the constants of this example */
+require_once __DIR__ . '/Constants.php';
+
+/** @noinspection PhpIncludeInspection */
+/** Require the composer autoloader file */
+require_once __DIR__ . '/../../../../autoload.php';
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Unzer UI Examples</title>
+    <script src="https://code.jquery.com/jquery-3.6.0.min.js"
+            integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4="
+            crossorigin="anonymous"></script>
+
+    <link rel="stylesheet" href="https://static.unzer.com/v1/unzer.css"/>
+    <script type="text/javascript" src="https://static.unzer.com/v1/unzer.js"></script>
+    <script src="https://pay.google.com/gp/p/js/pay.js"></script>
+
+</head>
+
+<body style="margin: 70px 70px 0;">
+
+<p><a href="https://docs.unzer.com/reference/test-data" target="_blank">Click here to open our test data in new tab.</a><br/>
+</p>
+
+<form id="payment-form" class="unzerUI form" novalidate>
+    <!-- This is just for the example - Start -->
+    <div class="fields inline">
+        <label for="transaction_type">Chose the transaction type you want to test:</label>
+        <div class="field">
+            <div class="unzerUI radio checkbox">
+                <input type="radio" name="transaction_type" value="authorize" checked="">
+                <label>Authorize</label>
+            </div>
+        </div>
+        <div class="field">
+            <div class="unzerUI radio checkbox">
+                <input type="radio" name="transaction_type" value="charge">
+                <label>Charge</label>
+            </div>
+        </div>
+    </div>
+    <!-- This is just for the example - End -->
+
+    <div>
+        <div class="field" id="error-holder" style="color: #9f3a38"> </div>
+        <div class="button-well">
+            <div class="applePayButtonContainer">
+                <div class="apple-pay-button apple-pay-button-black" lang="us"
+                     onclick="setupApplePaySession()"
+                     title="Start Apple Pay" role="link" tabindex="0">
+                </div>
+            </div>
+        </div>
+    </div>
+</form>
+
+<div id="dimmer-holder-googlepay" class="ui active dimmer" style="display: none;">
+    <div class="ui loader"></div>
+</div>
+
+<div id="example-googlepay-stack"></div>
+<div id="error-holder-googlepay" class="field" style="text-align: center; color: #9f3a38"></div>
+
+<script>
+    const unzerInstance = new unzer('<?php echo UNZER_PAPI_PUBLIC_KEY; ?>');
+    const colors = ['black','white'];
+    const googlepayChannelId = "4ec88022f6ba470784deb2158df84c4f"
+    const stackHolder = document.querySelector('#example-googlepay-stack');
+
+    const tmpPaymentDataRequestObject = {
+        gatewayMerchantId: googlepayChannelId,
+        allowedCardNetworks: [
+            'MASTERCARD',
+            'VISA',
+            'DISCOVER',
+            'JCB',
+        ],
+        merchantInfo: {
+            merchantId: googlepayChannelId,
+            merchantName: 'Example Merchant'
+        },
+        transactionInfo: {
+            displayItems: [],
+            countryCode: 'DE',
+            currencyCode: 'EUR',
+            totalPrice: '12.00',
+        },
+    }
+
+    function handleGooglepayError(error) {
+        let errorMessage = error.customerMessage || error.message || 'Error';
+        if (error.data && Array.isArray(error.data.errors) && error.data.errors[0]) {
+            errorMessage = error.data.errors[0].customerMessage || 'Error'
+        }
+
+        document.getElementById('error-holder-googlepay').innerHTML = errorMessage;
+
+        return {
+            status: 'error',
+            message: errorMessage || 'Unexpected error'
+        }
+    }
+
+    colors.map(function (color) {
+        const htmlString = '<div id="example-googlepay-' + color + '" class="field" style="text-align: center; margin: 5px 0"></div>'
+        return ({
+            instance: null,
+            color: color,
+            htmlString: htmlString
+        })
+    }).forEach(function (item) {
+        stackHolder.insertAdjacentHTML('beforeend', item.htmlString)
+        item.instance = unzerInstance.Googlepay()
+        const extendedPaymentDataRequestObject = {
+            ...tmpPaymentDataRequestObject,
+            buttonColor: item.color,
+            onPaymentAuthorizedCallback: (paymentData) => {
+                document.getElementById('error-holder-googlepay').innerHTML = ''
+                const $form = $('form[id="payment-form"]');
+                const formObject = QueryStringToObject($form.serialize());
+
+                return item.instance.createResource(paymentData)
+                    .then(typeCreationResult => {
+                        document.getElementById('dimmer-holder-googlepay').style.display = 'block';
+                        formObject.typeId = typeCreationResult.id;
+
+                        return fetch(
+                            './Controller.php',
+                            {
+                                body: JSON.stringify(formObject),
+                                method: 'POST'
+                            }
+                        )
+                            .then(response => response.json())
+                            .then( transactionResult => {
+                                const status = transactionResult.transactionStatus;
+
+                                if (status === 'success' || status === 'pending') {
+                                    if (transactionResult.redirectUrl.trim().length !== 0) {
+                                        window.location.href = transactionResult.redirectUrl;
+                                    } else {
+                                        window.location.href = '<?php echo RETURN_CONTROLLER_URL; ?>';
+                                    }
+                                } else {
+                                    window.location.href = '<?php echo FAILURE_URL; ?>';
+                                }
+                        })
+                        .catch(function (error) {
+                                return handleGooglepayError(error);
+                            }
+                        )
+                    })
+                    .catch(function (error) {
+                        return handleGooglepayError(error);
+                    })
+            }
+        }
+
+        const paymentDataRequestObject = item.instance.initPaymentDataRequestObject(extendedPaymentDataRequestObject)
+        item.instance.create(
+            {
+                containerId: 'example-googlepay-' + item.color
+            },
+            paymentDataRequestObject
+        )
+    })
+
+    // Translates query string to object
+    function QueryStringToObject(queryString) {
+        const pairs = queryString.slice().split('&');
+        let result = {};
+
+        pairs.forEach(function(pair) {
+            pair = pair.split('=');
+            result[pair[0]] = decodeURIComponent(pair[1] || '');
+        });
+        return JSON.parse(JSON.stringify(result));
+    }
+
+</script>
+
+</body>
+</html>
diff --git a/examples/index.php b/examples/index.php
index 44dcadb2..05a0c51a 100755
--- a/examples/index.php
+++ b/examples/index.php
@@ -155,6 +155,18 @@ function printMessage($type, $title, $text)
                         Try
                     </div>
                 </div>
+                <div class="card olive">
+                    <div class="content">
+                        <div class="header">
+                            Google Pay
+                        </div>
+                        <div class="description">
+                        </div>
+                    </div>
+                    <div id="tryGooglepayExample" class="ui bottom attached green button" onclick="location.href='Googlepay/';">
+                        Try
+                    </div>
+                </div>
                 <div class="card olive">
                     <div class="content">
                         <div class="header">

From 1036be9e346805534891548197422846b5513878 Mon Sep 17 00:00:00 2001
From: "david.owusu" <david.owusu@unzer.com>
Date: Tue, 6 Feb 2024 14:03:04 +0100
Subject: [PATCH 2/3] [CC-724] Add config to set channel for googlepay used in
 UI.

---
 examples/Googlepay/index.php | 2 +-
 examples/_enableExamples.php | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/examples/Googlepay/index.php b/examples/Googlepay/index.php
index b878cb08..8ddae4d9 100644
--- a/examples/Googlepay/index.php
+++ b/examples/Googlepay/index.php
@@ -74,7 +74,7 @@
 <script>
     const unzerInstance = new unzer('<?php echo UNZER_PAPI_PUBLIC_KEY; ?>');
     const colors = ['black','white'];
-    const googlepayChannelId = "4ec88022f6ba470784deb2158df84c4f"
+    const googlepayChannelId = "<?php echo UNZER_EXAMPLE_GOOGLEPAY_CHANNEL; ?>"
     const stackHolder = document.querySelector('#example-googlepay-stack');
 
     const tmpPaymentDataRequestObject = {
diff --git a/examples/_enableExamples.php b/examples/_enableExamples.php
index eeb3ea20..ccc844f6 100755
--- a/examples/_enableExamples.php
+++ b/examples/_enableExamples.php
@@ -12,7 +12,7 @@
 define('UNZER_PAPI_EXAMPLES', false);
 
 /* Please set this to your url. It must be reachable over the net
-Webhooks will work with https only. However protocol can be changed to http if necessary. */
+Webhooks will work with https only. However, protocol can be changed to http if necessary. */
 define('UNZER_PAPI_URL', 'https://'.$_SERVER['HTTP_HOST']);
 
 /* Please enter the path from root directory to the example folder */
@@ -26,6 +26,13 @@
 define('UNZER_PP_LOGO_URL', 'https://sbx-insights.unzer.com/static/unzerLogo.svg');
 define('UNZER_PP_FULL_PAGE_IMAGE_URL', 'https://raw.githubusercontent.com/unzerdev/php-sdk/da9c3fce11264f412e03009606621cc6d9ec0ab1/unzer_logo.svg');
 
+/* ============ PaymentType Specific settings ============ */
+
+/* ------------ Google Pay ------------ */
+// Channel of 'googlepay' type. You can find the channel in your keypair config.
+define('UNZER_EXAMPLE_GOOGLEPAY_CHANNEL', '');
+
+/* ------------ Apple Pay ------------ */
 /* For Apple Pay only, set the path to your Apple Pay Merchant-ID certificate. */
 define('UNZER_EXAMPLE_APPLEPAY_MERCHANT_CERT', UNZER_PAPI_FOLDER . '');
 

From 7d96a77b9722548ae48233a4ac28e48c6595d856 Mon Sep 17 00:00:00 2001
From: "david.owusu" <david.owusu@unzer.com>
Date: Wed, 7 Feb 2024 12:32:50 +0100
Subject: [PATCH 3/3] [CC-724] Adjust googlepay frontend workflow.

---
 examples/Googlepay/index.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/examples/Googlepay/index.php b/examples/Googlepay/index.php
index 8ddae4d9..86dc146a 100644
--- a/examples/Googlepay/index.php
+++ b/examples/Googlepay/index.php
@@ -151,10 +151,14 @@ function handleGooglepayError(error) {
                                     } else {
                                         window.location.href = '<?php echo RETURN_CONTROLLER_URL; ?>';
                                     }
-                                } else {
-                                    window.location.href = '<?php echo FAILURE_URL; ?>';
+                                    return { status: 'success' };
                                 }
-                        })
+                                window.location.href = '<?php echo FAILURE_URL; ?>';
+                                return {
+                                    status: 'error',
+                                    message: transactionResult.customerMessage || transactionResult.message || 'Unexpected error'
+                                }
+                            })
                         .catch(function (error) {
                                 return handleGooglepayError(error);
                             }