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Shifts to Orders API (#21)
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Orders API allows us to do auto-capture without making an extra request.
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@captn3m0
captn3m0 authored Nov 17, 2016
2 parents 2459a93 + e1c3e42 commit 7334a68
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Showing 2 changed files with 111 additions and 86 deletions.
13 changes: 13 additions & 0 deletions .editorconfig
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
; This file is for unifying the coding style for different editors and IDEs.
; More information at http://EditorConfig.org

root = true
; Use 2 spaces for indentation in all files

[*.php]
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
indent_style = space
indent_size = 4
insert_final_newline = true
184 changes: 98 additions & 86 deletions razorpay-payments.php
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Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,10 @@
Author URI: https://razorpay.com
*/

require_once __DIR__.'/razorpay-sdk/Razorpay.php';
use Razorpay\Api\Api;

require_once __DIR__.'/razorpay-sdk/Razorpay.php';

add_action('plugins_loaded', 'woocommerce_razorpay_init', 0);

function woocommerce_razorpay_init()
Expand All @@ -21,45 +22,41 @@ function woocommerce_razorpay_init()
class WC_Razorpay extends WC_Payment_Gateway
{
const BASE_URL = 'https://api.razorpay.com/';

const API_VERSION = 'v1';

const SESSION_KEY = 'razorpay_wc_order_id';

public function __construct()
{
$this->id = 'razorpay';
$this->method_title = 'Razorpay';
$this->icon = plugins_url('images/logo.png' , __FILE__ );
$this->icon = plugins_url('images/logo.png' , __FILE__);
$this->has_fields = false;

$this->init_form_fields();
$this->init_settings();

$this->title = $this->settings['title'];
$this->description = $this->settings['description'];
$this->key_id = $this->settings['key_id'];
$this->key_secret = $this->settings['key_secret'];
$this->payment_action = $this->settings['payment_action'];

$this->liveurl = 'https://checkout.razorpay.com/v1/checkout.js';

$this->msg['message'] = "";
$this->msg['class'] = "";

add_action('init', array(&$this, 'check_razorpay_response'));
add_action('woocommerce_api_' . strtolower(get_class($this)), array($this, 'check_razorpay_response'));

if ( version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>=' ) )
$cb = array($this, 'process_admin_options');

if (version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>='))
{
add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( &$this, 'process_admin_options' ) );
add_action("woocommerce_update_options_payment_gateways_{$this->id}", $cb);
}
else
{
add_action( 'woocommerce_update_options_payment_gateways', array( &$this, 'process_admin_options' ) );
add_action('woocommerce_update_options_payment_gateways', $cb);
}

add_action('woocommerce_receipt_razorpay', array(&$this, 'receipt_page'));
add_action('woocommerce_receipt_razorpay', array($this, 'receipt_page'));
}

function init_form_fields()
Expand Down Expand Up @@ -105,12 +102,12 @@ function init_form_fields()
)
);
}

public function admin_options()
{
echo '<h3>'.__('Razorpay Payment Gateway', 'razorpay') . '</h3>';
echo '<p>'.__('Razorpay is an online payment gateway for India with transparent pricing, seamless integration and great support') . '</p>';
echo '<table class="form-table">';

// Generate the HTML For the settings form.
$this->generate_settings_html();
echo '</table>';
Expand All @@ -122,7 +119,9 @@ public function admin_options()
function payment_fields()
{
if($this->description)
{
echo wpautop(wptexturize($this->description));
}
}

/**
Expand All @@ -140,41 +139,90 @@ function receipt_page($order)
public function generate_razorpay_form($order_id)
{
global $woocommerce;

$order = new WC_Order($order_id);

$redirect_url = get_site_url() . '/?wc-api=' . get_class($this);

$productinfo = "Order $order_id";
try
{
$api = new Api($this->key_id, $this->key_secret);
// Calls the helper function to create order data
$data = $this->get_order_creation_data($order_id);

$razorpay_order = $api->order->create($data);

$woocommerce->session->set('razorpay_order_id', $razorpay_order['id']);
$razorpay_args = array(
'key' => $this->key_id,
'name' => get_bloginfo('name'),
'amount' => $order->order_total * 100,
'currency' => get_woocommerce_currency(),
'description' => $productinfo,
'prefill' => array(
'name' => $order->billing_first_name." ".$order->billing_last_name,
'email' => $order->billing_email,
'contact' => $order->billing_phone
),
'notes' => array(
'woocommerce_order_id' => $order_id
),
'order_id' => $razorpay_order['id']
);
$json = json_encode($razorpay_args);
$html = $this->generate_order_form($redirect_url, $json);
return $html;
}
catch (Exception $e)
{
echo "RAZORPAY ERROR: Api could not be reached";
}
}

$razorpay_args = array(
'key' => $this->key_id,
'name' => get_bloginfo('name'),
'amount' => $order->order_total*100,
'currency' => get_woocommerce_currency(),
'description' => $productinfo,
'prefill' => array(
'name' => $order->billing_first_name." ".$order->billing_last_name,
'email' => $order->billing_email,
'contact' => $order->billing_phone
),
'notes' => array(
'woocommerce_order_id' => $order_id
)
/**
* Creates order data
**/
function get_order_creation_data($order_id)
{
$order = new WC_Order($order_id);

if (!isset($this->payment_action))
{
$this->payment_action = 'capture';
}

$data = array(
'receipt' => $order_id,
'amount' => (int) ($order->order_total * 100),
'currency' => get_woocommerce_currency(),
);

$json = json_encode($razorpay_args);
switch($this->payment_action)
{
case 'authorize':
$data['payment_capture'] = 0;
break;

case 'capture':
default:
$data['payment_capture'] = 1;
break;
}
return $data;
}

/**
* Generates the order form
**/
function generate_order_form($redirect_url, $json)
{
$html = <<<EOT
<script src="{$this->liveurl}"></script>
<script src="https://checkout.razorpay.com/v1/checkout.js"></script>
<script>
var data = $json;
</script>
<form name='razorpayform' action="$redirect_url" method="POST">
<input type="hidden" name="merchant_order_id" value="$order_id">
<input type="hidden" name="razorpay_payment_id" id="razorpay_payment_id">
<input type="hidden" name="razorpay_signature" id="razorpay_signature" >
</form>
<p id="msg-razorpay-success" class="woocommerce-info woocommerce-message" style="display:none">
Please wait while we are processing your payment.
</p>
Expand All @@ -196,49 +244,38 @@ public function generate_razorpay_form($order_id)
elem.setAttribute('disabled', state);
}
};
// Payment was closed without handler getting called
data.modal = {
ondismiss: function() {
setDisabled('btn-razorpay', false);
}
};
data.handler = function(payment){
setDisabled('btn-razorpay-cancel');
var successMsg = document.getElementById('msg-razorpay-success');
successMsg.style.display = "block";
document.getElementById('razorpay_payment_id').value =
payment.razorpay_payment_id;
document.getElementById('razorpay_payment_id').value = payment.razorpay_payment_id;
document.getElementById('razorpay_signature').value = payment.razorpay_signature;
document.razorpayform.submit();
};
var razorpayCheckout = new Razorpay(data);
// global method
function openCheckout() {
// Disable the pay button
setDisabled('btn-razorpay');
razorpayCheckout.open();
}
function addEvent(element, evnt, funct){
if (element.attachEvent)
return element.attachEvent('on'+evnt, funct);
else
return element.addEventListener(evnt, funct, false);
}
// Attach event listener
addEvent(document.getElementById('btn-razorpay'), 'click', openCheckout);
openCheckout();
})();
</script>
EOT;
return $html;
}
Expand All @@ -249,12 +286,9 @@ function addEvent(element, evnt, funct){
function process_payment($order_id)
{
global $woocommerce;

$order = new WC_Order($order_id);

$woocommerce->session->set(self::SESSION_KEY, $order_id);

if ( version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>=' ) )
if (version_compare(WOOCOMMERCE_VERSION, '2.0.0', '>='))
{
return array(
'result' => 'success',
Expand All @@ -278,57 +312,41 @@ function process_payment($order_id)
function check_razorpay_response()
{
global $woocommerce;

$order_id = $woocommerce->session->get(self::SESSION_KEY);

if ($order_id and !empty($_REQUEST['razorpay_payment_id']))
if ($order_id and !empty($_POST['razorpay_payment_id']))
{
$razorpay_payment_id = $_REQUEST['razorpay_payment_id'];

$razorpay_payment_id = $_POST['razorpay_payment_id'];
$order = new WC_Order($order_id);
$key_id = $this->key_id;
$key_secret = $this->key_secret;
$amount = $order->order_total*100;

$success = false;
$error = "";

$api = new Api($key_id, $key_secret);
$payment = $api->payment->fetch($razorpay_payment_id);

try
{
if ($this->payment_action === 'authorize')
{
$payment = $api->payment->fetch($razorpay_payment_id);

$expectedStatus = 'authorized';
}
else
{
$payment = $api->payment->fetch($razorpay_payment_id);
$amount = $payment->amount;

$payment = $payment->capture(array('amount'=>$amount));

$expectedStatus = 'captured';
}

//Check success response
if ($payment->status === $expectedStatus)
if ($this->payment_action === 'authorize' && $payment['amount'] === $amount)
{
$success = true;
}

else
{
$success = false;
$razorpay_order_id = $woocommerce->session->get('razorpay_order_id');
$razorpay_signature = $_POST['razorpay_signature'];

if (!empty($payment['error_code']))
$signature = hash_hmac('sha256', $razorpay_order_id . '|' . $razorpay_payment_id, $key_secret);
if (hash_equals($signature , $razorpay_signature))
{
$error = $payment['error_code'] . ": " . $payment['error_description'];
$success = true;
}
else
{
$error = 'RAZORPAY_ERROR: Invalid Response';
$success = false;
$error = "PAYMENT_ERROR: Payment failed";
}
}
}
Expand All @@ -337,8 +355,6 @@ function check_razorpay_response()
$success = false;
$error = 'WOOCOMMERCE_ERROR: Request to Razorpay Failed';
}


if ($success === true)
{
$this->msg['message'] = "Thank you for shopping with us. Your account has been charged and your transaction is successful. We will be processing your order soon. Order Id: $order_id";
Expand Down Expand Up @@ -366,13 +382,10 @@ function check_razorpay_response()
$order->update_status('failed');
$order->add_order_note('Customer cancelled the payment');
}

$this->msg['class'] = 'error';
$this->msg['message'] = "An error occured while processing this payment";
}

$this->add_notice($this->msg['message'], $this->msg['class']);

$redirect_url = $this->get_return_url($order);
wp_redirect( $redirect_url );
exit;
Expand All @@ -388,7 +401,6 @@ protected function add_notice($message, $type = 'notice')
{
global $woocommerce;
$type = in_array($type, array('notice','error','success'), true) ? $type : 'notice';

// Check for existence of new notification api. Else use previous add_error
if (function_exists('wc_add_notice'))
{
Expand All @@ -408,8 +420,8 @@ protected function add_notice($message, $type = 'notice')
}
}
}

}

/**
* Add the Gateway to WooCommerce
**/
Expand Down

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