public function start_ipn($data, $config) { require_once 'assets/google-checkout/library/googlecart.php'; require_once 'assets/google-checkout/library/googleitem.php'; require_once 'assets/google-checkout/library/googleshipping.php'; require_once 'assets/google-checkout/library/googletax.php'; $merchant_id = $config['merchant_id']; // Your Merchant ID $merchant_key = $config['merchant_key']; // Your Merchant Key $server_type = $config['sandbox']; $currency = "USD"; $cart = new GoogleCart($merchant_id, $merchant_key, $server_type, $currency); $cart->SetMerchantPrivateData(new MerchantPrivateData(array("transaction_id" => $data['transaction_id']))); $i = 1; foreach ($data["cart"]["items"] as $items) { ${'item_' . $i} = new GoogleItem($items['title'], "", $items['quantity'], $this->_currency_round($items["price"])); ${'item_' . $i}->SetMerchantItemId($items["product_id"]); $cart->AddItem(${'item_' . $i}); $i++; } // Applying a discount if ($data['cart_discount'] != 0) { ${'item_' . $i} = new GoogleItem("Discount Applied", "", 1, "-" . $this->_currency_round($data['cart_discount'])); $cart->AddItem(${'item_' . $i}); } // Calculating the Tax by taking the subtotal, subtracting the discount and // dividing by the pre-calculated rate. // -- Then formatting the number by 2 decimal places if ($data['cart_tax'] == 0) { $taxrate = 0; } else { $taxrate = number_format($data['cart_subtotal'] - $data['cart_discount'] / $data['cart_tax'], 2); } $tax_rule = new GoogleDefaultTaxRule($taxrate); $tax_rule->SetWorldArea(true); $cart->AddDefaultTaxRules($tax_rule); $ship_1 = new GoogleFlatRateShipping("Shipping", $data['cart_shipping']); $cart->AddShipping($ship_1); // Specify <edit-cart-url> $cart->SetEditCartUrl($data['return']); // Specify "Return to xyz" link $cart->SetContinueShoppingUrl($data['cancel_return']); // Define rounding policy $cart->AddRoundingPolicy("CEILING", "TOTAL"); echo ' <html> <head> <title>Google Checkout</title> </head> <body onLoad="document.forms[\'gateway_form\'].submit();"> <form method="post" name="gateway_form" action="' . $cart->checkout_url . '"> <input type="hidden" name="cart" value="' . base64_encode($cart->GetXML()) . '"/> <input type="hidden" name="signature" value="' . base64_encode($cart->CalcHmacSha1($cart->GetXML())) . '" /> <p style="text-align:center;"> Your order is being processed... will be redirected to the payment website. <br /> <br /> If you are not automatically redirected to Google Checkout within 5 seconds...<br /><br /> <input type="submit" value="Click Here"> </p> </form> </body> </html>'; }
/** * Sets appropriate parameters for checking out to google * * @param array $params name value pair of contribution datat * * @param $component * @throws Exception * @return void */ function doTransferCheckout(&$params, $component) { $component = strtolower($component); $url = rtrim($this->_paymentProcessor['url_site'], '/') . '/cws/v2/Merchant/' . $this->_paymentProcessor['user_name'] . '/checkout'; //Create a new shopping cart object // Merchant ID $merchant_id = $this->_paymentProcessor['user_name']; // Merchant Key $merchant_key = $this->_paymentProcessor['password']; $server_type = $this->_mode == 'test' ? 'sandbox' : ''; $cart = new GoogleCart($merchant_id, $merchant_key, $server_type); $item1 = new GoogleItem($params['item_name'], '', 1, $params['amount'], $params['currencyID']); $cart->AddItem($item1); if ($component == "event") { $privateData = "contactID={$params['contactID']},contributionID={$params['contributionID']},contributionTypeID={$params['contributionTypeID']},eventID={$params['eventID']},participantID={$params['participantID']},invoiceID={$params['invoiceID']}"; } elseif ($component == "contribute") { $privateData = "contactID={$params['contactID']},contributionID={$params['contributionID']},contributionTypeID={$params['contributionTypeID']},invoiceID={$params['invoiceID']}"; $membershipID = CRM_Utils_Array::value('membershipID', $params); if ($membershipID) { $privateData .= ",membershipID={$membershipID}"; } $relatedContactID = CRM_Utils_Array::value('related_contact', $params); if ($relatedContactID) { $privateData .= ",relatedContactID={$relatedContactID}"; $onBehalfDupeAlert = CRM_Utils_Array::value('onbehalf_dupe_alert', $params); if ($onBehalfDupeAlert) { $privateData .= ",onBehalfDupeAlert={$onBehalfDupeAlert}"; } } } // Allow further manipulation of the arguments via custom hooks .. CRM_Utils_Hook::alterPaymentProcessorParams($this, $params, $privateData); $cart->SetMerchantPrivateData($privateData); if ($component == "event") { $returnURL = CRM_Utils_System::url('civicrm/event/register', "_qf_ThankYou_display=1&qfKey={$params['qfKey']}", TRUE, NULL, FALSE); } elseif ($component == "contribute") { $returnURL = CRM_Utils_System::url('civicrm/contribute/transact', "_qf_ThankYou_display=1&qfKey={$params['qfKey']}", TRUE, NULL, FALSE); } $cart->SetContinueShoppingUrl($returnURL); $cartVal = base64_encode($cart->GetXML()); $signatureVal = base64_encode($cart->CalcHmacSha1($cart->GetXML())); $googleParams = array('cart' => $cartVal, 'signature' => $signatureVal); require_once 'HTTP/Request.php'; $params = array('method' => HTTP_REQUEST_METHOD_POST, 'allowRedirects' => FALSE); $request = new HTTP_Request($url, $params); foreach ($googleParams as $key => $value) { $request->addPostData($key, $value); } $result = $request->sendRequest(); if (PEAR::isError($result)) { CRM_Core_Error::fatal($result->getMessage()); } if ($request->getResponseCode() != 302) { CRM_Core_Error::fatal(ts('Invalid response code received from Google Checkout: %1', array(1 => $request->getResponseCode()))); } CRM_Utils_System::redirect($request->getResponseHeader('location')); exit; }