/**
* Create a new invoice with as much info already added. It should add
* some basic info and setup the invoice object.
*
* @return Bitpay\Invoice
*/
private function initializeInvoice()
{
\Mage::helper('bitpay')->registerAutoloader();
$invoice = new Bitpay\Invoice();
if (false === isset($invoice) || true === empty($invoice)) {
$this->debugData('[ERROR] In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): could not construct new BitPay invoice object.');
throw new \Exception('In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): could not construct new BitPay invoice object.');
} else {
$this->debugData('[INFO] In Bitpay_Core_Model_Method_Bitcoin::initializeInvoice(): constructed new BitPay invoice object successfully.');
}
$invoice->setFullNotifications(true);
$invoice->setTransactionSpeed(\Mage::getStoreConfig('payment/bitpay/speed'));
$invoice->setNotificationUrl(\Mage::getUrl(\Mage::getStoreConfig('payment/bitpay/notification_url')));
$invoice->setRedirectUrl(\Mage::getUrl(\Mage::getStoreConfig('payment/bitpay/redirect_url')));
return $invoice;
}
/**
* Prepares an Invoice to send to BitPay
*
* @param array $order_info OpenCart checkout order
* @return Invoice
*/
private function prepareInvoice($order_info = array())
{
$invoice = new \Bitpay\Invoice();
if (empty($order_info['order_id'])) {
$this->log('error', 'Cannot prepare invoice without `order_id`');
throw Exception('Cannot prepare invoice without `order_id`');
}
$this->log('info', sprintf('Preparing Invoice for Order %s', (string) $order_info['order_id']));
$invoice->setOrderId((string) $order_info['order_id']);
if (empty($order_info['currency_code'])) {
$this->log('error', 'Cannot prepare invoice without `currency_code`');
throw Exception('Cannot prepare invoice without `currency_code`');
}
$invoice->setCurrency(new \Bitpay\Currency($order_info['currency_code']));
if (empty($order_info['total'])) {
$this->log('error', 'Cannot prepare invoice without `total`');
throw Exception('Cannot prepare invoice without `total`');
}
$invoice->setPrice((double) $order_info['total']);
// Send Buyer Information?
if ($this->setting('send_buyer_info')) {
$buyer = new \Bitpay\Buyer();
$buyer->setFirstName($order_info['firstname'])->setLastName($order_info['lastname'])->setEmail($order_info['email'])->setPhone($order_info['telephone'])->setAddress(array($order_info['payment_address_1'], $order_info['payment_address_2']))->setCity($order_info['payment_city'])->setState($order_info['payment_zone_code'])->setZip($order_info['payment_postcode'])->setCountry($order_info['payment_country']);
$invoice->setBuyer($buyer);
}
$invoice->setFullNotifications(true);
$return_url = $this->setting('return_url');
if (empty($return_url)) {
$return_url = $this->url->link('payment/bitpay/success', $this->config->get('config_secure'));
}
$notify_url = $this->setting('notify_url');
if (empty($notify_url)) {
$notify_url = $this->url->link('payment/bitpay/callback', $this->config->get('config_secure'));
}
$invoice->setRedirectUrl($return_url);
$invoice->setNotificationUrl($notify_url);
$invoice->setTransactionSpeed($this->setting('risk_speed'));
return $invoice;
}
/**
* Process the payment and return the result
*
* @param int $order_id
* @return array
*/
public function process_payment($order_id)
{
$this->log(' [Info] Entered process_payment() with order_id = ' . $order_id . '...');
if (true === empty($order_id)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but the order_id was missing.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but the order_id was missing. Cannot continue!');
}
$order = wc_get_order($order_id);
if (false === $order) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not retrieve the order details for order_id ' . $order_id);
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not retrieve the order details for order_id ' . $order_id . '. Cannot continue!');
}
$this->log(' [Info] Generating payment form for order ' . $order->get_order_number() . '. Notify URL: ' . $this->notification_url);
// Mark new order according to user settings (we're awaiting the payment)
$new_order_states = $this->get_option('order_states');
$new_order_status = $new_order_states['new'];
$order->update_status($new_order_status, 'Awaiting payment notification from BitPay.');
$thanks_link = $this->get_return_url($order);
$this->log(' [Info] The variable thanks_link = ' . $thanks_link . '...');
// Redirect URL & Notification URL
$redirect_url = $this->get_option('redirect_url', $thanks_link);
$this->log(' [Info] The variable redirect_url = ' . $redirect_url . '...');
$notification_url = $this->get_option('notification_url', WC()->api_request_url('WC_Gateway_Bitpay'));
$this->log(' [Info] Notification URL is now set to: ' . $notification_url . '...');
// Setup the currency
$currency_code = get_woocommerce_currency();
$this->log(' [Info] The variable currency_code = ' . $currency_code . '...');
$currency = new \Bitpay\Currency($currency_code);
if (false === isset($currency) && true === empty($currency)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a Currency object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a Currency object. Cannot continue!');
}
// Get a BitPay Client to prepare for invoice creation
$client = new \Bitpay\Client\Client();
if (false === isset($client) && true === empty($client)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a client object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a client object. Cannot continue!');
}
if ('livenet' === $this->api_network) {
$client->setNetwork(new \Bitpay\Network\Livenet());
$this->log(' [Info] Set network to Livenet...');
} else {
$client->setNetwork(new \Bitpay\Network\Testnet());
$this->log(' [Info] Set network to Testnet...');
}
$curlAdapter = new \Bitpay\Client\Adapter\CurlAdapter();
if (false === isset($curlAdapter) || true === empty($curlAdapter)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate a CurlAdapter object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate a CurlAdapter object. Cannot continue!');
}
$client->setAdapter($curlAdapter);
if (false === empty($this->api_key)) {
$client->setPrivateKey($this->api_key);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setPrivateKey to this->api_key. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setPrivateKey to this->api_key. The empty() check failed!');
}
if (false === empty($this->api_pub)) {
$client->setPublicKey($this->api_pub);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setPublicKey to this->api_pub. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setPublicKey to this->api_pub. The empty() check failed!');
}
if (false === empty($this->api_token)) {
$client->setToken($this->api_token);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set client->setToken to this->api_token. The empty() check failed!');
throw new \Exception(' The Bitpay payment plugin was called to process a payment but could not set client->setToken to this->api_token. The empty() check failed!');
}
$this->log(' [Info] Key and token empty checks passed. Parameters in client set accordingly...');
// Setup the Invoice
$invoice = new \Bitpay\Invoice();
if (false === isset($invoice) || true === empty($invoice)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an Invoice object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an Invoice object. Cannot continue!');
} else {
$this->log(' [Info] Invoice object created successfully...');
}
$order_number = $order->get_order_number();
$invoice->setOrderId((string) $order_number);
$invoice->setCurrency($currency);
$invoice->setFullNotifications(true);
// Add a priced item to the invoice
$item = new \Bitpay\Item();
if (false === isset($item) || true === empty($item)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an item object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an item object. Cannot continue!');
} else {
$this->log(' [Info] Item object created successfully...');
}
if (true === isset($order->order_total) && false === empty($order->order_total)) {
$item->setPrice($order->order_total);
} else {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not set item->setPrice to order->order_total. The empty() check failed!');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not set item->setPrice to order->order_total. The empty() check failed!');
}
$invoice->setItem($item);
// Add the Redirect and Notification URLs
$invoice->setRedirectUrl($redirect_url);
$invoice->setNotificationUrl($notification_url);
$invoice->setTransactionSpeed($this->transaction_speed);
try {
$this->log(' [Info] Attempting to generate invoice for ' . $order->get_order_number() . '...');
$invoice = $client->createInvoice($invoice);
if (false === isset($invoice) || true === empty($invoice)) {
$this->log(' [Error] The Bitpay payment plugin was called to process a payment but could not instantiate an invoice object.');
throw new \Exception('The Bitpay payment plugin was called to process a payment but could not instantiate an invoice object. Cannot continue!');
} else {
$this->log(' [Info] Call to generate invoice was successful: ' . $client->getResponse()->getBody());
}
} catch (\Exception $e) {
$this->log(' [Error] Error generating invoice for ' . $order->get_order_number() . ', "' . $e->getMessage() . '"');
error_log($e->getMessage());
return array('result' => 'success', 'messages' => 'Sorry, but Bitcoin checkout with BitPay does not appear to be working.');
}
// Reduce stock levels
$order->reduce_order_stock();
// Remove cart
WC()->cart->empty_cart();
$this->log(' [Info] Leaving process_payment()...');
// Redirect the customer to the BitPay invoice
return array('result' => 'success', 'redirect' => $invoice->getUrl());
}
