/**
  * @see FrontController::initContent()
  */
 public function initContent()
 {
     parent::initContent();
     $id_cart = Tools::GetValue('id_cart');
     $cart = new Cart((int) $id_cart);
     $liqpay = new Liqpay();
     $total = $cart->getOrderTotal(true, 3);
     $liqpay->validateOrder(intval($cart->id), Configuration::get('PS_OS_PREPARATION'), $total, $liqpay->displayName);
     $currency = new Currency((int) $cart->id_currency);
     $private_key = Configuration::get('LIQPAY_PRIVATE_KEY');
     $public_key = Configuration::get('LIQPAY_PUBLIC_KEY');
     $amount = number_format($cart->getOrderTotal(true, Cart::BOTH), 1, '.', '');
     $currency = $currency->iso_code == 'RUR' ? 'RUB' : $currency->iso_code;
     $order_id = '000' . $id_cart;
     $description = 'Order #' . $order_id;
     $result_url = 'http://' . htmlspecialchars($_SERVER['HTTP_HOST'], ENT_COMPAT, 'UTF-8') . __PS_BASE_URI__ . 'index.php?controller=history';
     $server_url = 'http://' . htmlspecialchars($_SERVER['HTTP_HOST'], ENT_COMPAT, 'UTF-8') . $liqpay->getPath() . 'validation.php';
     $type = 'buy';
     $version = '3';
     $language = Configuration::get('PS_LOCALE_LANGUAGE') == 'en' ? 'en' : 'ru';
     $data = base64_encode(json_encode(array('version' => $version, 'public_key' => $public_key, 'amount' => $amount, 'currency' => $currency, 'description' => $description, 'order_id' => $order_id, 'type' => $type, 'language' => $language)));
     $signature = base64_encode(sha1($private_key . $data . $private_key, 1));
     $this->context->smarty->assign(compact('data', 'signature'));
     $this->setTemplate('redirect.tpl');
 }

 /**
  * @param Request $request
  * @return string
  * @throws Exception
  */
 public function showCartAction(Request $request)
 {
     $cart = new Cart();
     $productsId = $cart->getProducts();
     $args = array('productsId' => $productsId);
     return $this->render('cart', $args);
 }

 public function initContent()
 {
     parent::initContent();
     $params = KwixoURLCallFrontController::ManageUrlCall();
     $payment_ok = $params['payment_status'];
     $errors = $params['errors'];
     $id_order = $params['id_order'];
     if ($id_order != false) {
         $order = new Order($id_order);
         $cart = new Cart($order->id_cart);
         $products = $cart->getProducts();
         $amount = $order->total_paid_tax_incl;
         $total_shipping = $order->total_shipping;
     } else {
         $products = false;
         $amount = false;
         $total_shipping = false;
     }
     $link = new Link();
     $this->context->smarty->assign('payment_ok', $payment_ok);
     $this->context->smarty->assign('errors', $errors);
     $this->context->smarty->assign('amount', $amount);
     $this->context->smarty->assign('total_shipping', $total_shipping);
     $this->context->smarty->assign('products', $products);
     $this->context->smarty->assign('path_order', $link->getPageLink('order', true));
     $this->context->smarty->assign('path_history', $link->getPageLink('history', true));
     $this->context->smarty->assign('path_contact', $link->getPageLink('contact', true));
     $this->setTemplate('urlcall.tpl');
 }

 public function login()
 {
     $conn = Db::connect();
     $sql = 'SELECT user_id FROM users ' . ' WHERE email = ? AND password = ?';
     $email = $conn->real_escape_string($_POST['email']);
     $password = md5($_POST['password']);
     $statement = $conn->prepare($sql);
     $statement->bind_param('ss', $email, $password);
     $statement->execute();
     $statement->bind_result($userId);
     $statement->fetch();
     if ($userId == NULL) {
         return false;
     } else {
         session_start();
         $_SESSION['user_id'] = $userId;
         if (isset($_SESSION['cart']) && $_SESSION['cart'] != []) {
             require_once '../app/models/Cart.php';
             $cart = new Cart();
             foreach ($_SESSION['cart'] as $product_id => $value) {
                 $cart->addProductToCart($product_id, $_SESSION['cart'][$product_id]['cart_quantity']);
             }
         }
         return true;
     }
 }

    public static function updateProductsTax(AvalaraTax $avalaraModule, Cart $cart, $id_address, $region, $taxable = true)
    {
        $p = array();
        foreach ($cart->getProducts() as $product) {
            $avalaraProducts = array('id_product' => (int) $product['id_product'], 'name' => $product['name'], 'description_short' => $product['description_short'], 'quantity' => 1, 'total' => (double) 1000000, 'tax_code' => $taxable ? $avalaraModule->getProductTaxCode((int) $product['id_product']) : 'NT');
            $p[] = $avalaraProducts;
            // Call Avalara
            $getTaxResult = $avalaraModule->getTax(array($avalaraProducts), array('type' => 'SalesOrder', 'DocCode' => 1, 'taxable' => $taxable));
            // Store the taxrate in cache
            // If taxrate exists (but it's outdated), then update, else insert (REPLACE INTO)
            if (isset($getTaxResult['TotalTax']) && isset($getTaxResult['TotalAmount'])) {
                $total_tax = $getTaxResult['TotalTax'];
                $total_amount = $getTaxResult['TotalAmount'];
                if ($total_amount == 0) {
                    $db_rate = 0;
                } else {
                    $db_rate = (double) ($total_tax * 100 / $total_amount);
                }
                Db::getInstance()->Execute('REPLACE INTO `' . _DB_PREFIX_ . 'avalara_product_cache` (`id_product`, `tax_rate`, `region`, `update_date`, `id_address`)
				VALUES (' . (int) $product['id_product'] . ', ' . $db_rate . ',
				\'' . ($region ? pSQL($region) : '') . '\', \'' . date('Y-m-d H:i:s') . '\', ' . (int) $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')} . ')');
            }
        }
        return $p;
    }

 public function postProcess()
 {
     $sid = Configuration::get('TWOCHECKOUTPP_SID');
     $secret_word = Configuration::get('TWOCHECKOUTPP_SECRET');
     $credit_card_processed = $_REQUEST['credit_card_processed'];
     $order_number = $_REQUEST['order_number'];
     $cart_id = $_REQUEST['merchant_order_id'];
     $cart = new Cart($cart_id);
     $checkout = new twocheckoutpp();
     if (Configuration::get('TWOCHECKOUTPP_CURRENCY') > 0) {
         $amount = number_format($cart->getOrderTotal(true, 3), 2, '.', '');
         $currency_from = Currency::getCurrency($cart->id_currency);
         $currency_to = Currency::getCurrency(Configuration::get('TWOCHECKOUTPP_CURRENCY'));
         $amount = Tools::ps_round($amount / $currency_from['conversion_rate'], 2);
         $total = number_format(Tools::ps_round($amount *= $currency_to['conversion_rate'], 2), 2, '.', '');
     } else {
         $total = number_format($cart->getOrderTotal(true, 3), 2, '.', '');
     }
     //Check the hash
     $compare_string = $secret_word . $sid . $order_number . $total;
     $compare_hash1 = strtoupper(md5($compare_string));
     $compare_hash2 = $_REQUEST['key'];
     if ($compare_hash1 == $compare_hash2) {
         $customer = new Customer($cart->id_customer);
         $total = (double) $cart->getOrderTotal(true, Cart::BOTH);
         $checkout->validateOrder($cart_id, _PS_OS_PAYMENT_, $total, $checkout->displayName, '', array(), NULL, false, $customer->secure_key);
         $order = new Order($checkout->currentOrder);
         Tools::redirect('index.php?controller=order-confirmation&id_cart=' . (int) $cart->id . '&id_module=' . (int) $this->module->id . '&id_order=' . $checkout->currentOrder);
     } else {
         echo 'Hash Mismatch! Please contact the seller directly for assistance.</br>';
         echo 'Total: ' . $total . '</br>';
         echo '2CO Total: ' . $_REQUEST['total'];
     }
 }

 /**
  * @see FrontController::postProcess()
  */
 public function postProcess()
 {
     parse_str($_POST['optData'], $optData);
     $id_cart = (int) $optData['cartId'];
     $cart = new Cart($id_cart);
     if ($cart->id_customer == 0 || $cart->id_address_delivery == 0 || $cart->id_address_invoice == 0 || !$this->module->active) {
         die('Cannot create order for this cart.');
     }
     $customer = new Customer($cart->id_customer);
     if (!Validate::isLoadedObject($customer)) {
         die('No customer for this order.');
     }
     $currency = new Currency((int) $cart->id_currency);
     $paid_amount = $_POST['amount'];
     $order_amount = $cart->getOrderTotal(true, Cart::BOTH);
     $apiHash = $_SERVER['HTTP_API_HASH'];
     $query = http_build_query($_POST);
     $hash = hash_hmac("sha512", $query, $this->module->secret_key);
     if ($apiHash == $hash && $paid_amount == $order_amount) {
         //success
         $this->module->validateOrder($cart->id, Configuration::get('PS_OS_PAYMENT'), $paid_amount, $this->module->displayName, 'Invoice Code: ' . $_POST['invoiceCode'], array(), (int) $currency->id, false, $customer->secure_key);
     } else {
         //failed transaction
     }
 }

 function testGetDefaultCardHandler()
 {
     $cart = new Cart(1, $h = null);
     $h = $cart->getCartHandler();
     $this->assertIsA($h, CART_DEFAULT_HANDLER_TYPE . 'CartHandler');
     $this->assertEqual($h->getCartId(), 1);
 }

 public function create(User $user)
 {
     $cart = new Cart();
     if (isset($_SESSION['id'])) {
         $set = $cart->setUser($user);
         if ($set === true) {
             $set = $cart->setStatus(1);
             if ($set === true) {
                 $idUser = intval($cart->getUser()->getId());
                 $status = intval($cart->getStatus());
                 $query = "INSERT INTO cart (id_user, status) VALUES (" . $idUser . ", " . $status . ")";
                 $result = $this->database->exec($query);
                 if ($result) {
                     $id = $this->database->lastInsertId();
                     if ($id) {
                         return $this->findById($id);
                     } else {
                         throw new Exception("Catastrophe serveur.");
                     }
                 } else {
                     throw new Exception("Catastrophe base de données.");
                 }
             } else {
                 throw new Exception($set);
             }
         } else {
             throw new Exception($set);
         }
     } else {
         $_SESSION['cartStatus'] = 1;
     }
 }

 /**
  * Do whatever you have to before redirecting the customer on the website of your payment processor.
  */
 public function postProcess()
 {
     /**
      * Oops, an error occured.
      */
     if (Tools::getValue('action') == 'error') {
         return $this->displayError('An error occurred while trying to redirect the customer');
     } else {
         //First solution to know if refreshed page: http://stackoverflow.com/a/6127748
         $refreshButtonPressed = isset($_SERVER['HTTP_CACHE_CONTROL']) && $_SERVER['HTTP_CACHE_CONTROL'] === 'max-age=0';
         $result = $this->module->callToRest('GET', '/orders?mid=' . Context::getContext()->cart->id, null, false);
         $result['response'] = json_decode($result['response'], true);
         if ($result['code'] == '200' && isset($result['response']['results'][0]['id']) && !$refreshButtonPressed) {
             //The cart exists on Aplazame, we try to send with another ID
             $oldCart = new Cart(Context::getContext()->cart->id);
             $data = $oldCart->duplicate();
             if ($data['success']) {
                 $cart = $data['cart'];
                 Context::getContext()->cart = $cart;
                 CartRule::autoAddToCart(Context::getContext());
                 Context::getContext()->cookie->id_cart = $cart->id;
             } else {
                 $this->module->logError('Error: Cannot duplicate cart ' . Context::getContext()->cart->id);
             }
         }
         $this->context->smarty->assign(array('cart_id' => Context::getContext()->cart->id, 'secure_key' => Context::getContext()->customer->secure_key, 'aplazame_order_json' => json_encode($this->module->getCheckoutSerializer(0, Context::getContext()->cart->id), 128), 'aplazame_version' => ConfigurationCore::get('APLAZAME_API_VERSION', null), 'aplazame_url' => Configuration::get('APLAZAME_API_URL', null), 'aplazame_mode' => Configuration::get('APLAZAME_LIVE_MODE', null) ? 'false' : 'true'));
         return $this->setTemplate('redirect.tpl');
     }
 }

	/**
	 * Returns cart items in a format useful for the
	 * API request
	 *
	 * Also adds discount as a cart item, since this is
	 * how Paypal expects to receive discounts
	 *
	 * @param Cart $cart
	 * @return array
	 */
	private function getItemsFromCart(Cart $cart)
    {
        $items = array();
        foreach($cart->getProducts() as $product)
        {
            $item = new stdClass();
            $item->name = $product->title;
            $item->number = $product->sku;
            $item->description = substr($product->short_description, 0, 127);
            $item->amount = ShopDisplay::numberFormat($product->price);
            $item->quantity = $product->quantity;
            $items[] = $item;
        }

		if($cart->getDiscountAmount() > 0)
		{
			$item = new stdClass();
			$item->name = 'Discount';
			$item->description = $cart->getDiscountName();
			$item->amount = -1 * $cart->getDiscountAmount();
			$item->quantity = 1;
			$items[] = $item;
		}
        return $items;
    }

function textRecord(Product $product, Cart $cart)
{
    global $errors;
    if (!($fieldIds = $product->getCustomizationFieldIds())) {
        return false;
    }
    $authorizedTextFields = array();
    foreach ($fieldIds as $fieldId) {
        if ($fieldId['type'] == _CUSTOMIZE_TEXTFIELD_) {
            $authorizedTextFields[intval($fieldId['id_customization_field'])] = 'textField' . intval($fieldId['id_customization_field']);
        }
    }
    $indexes = array_flip($authorizedTextFields);
    foreach ($_POST as $fieldName => $value) {
        if (in_array($fieldName, $authorizedTextFields) and !empty($value)) {
            if (!Validate::isMessage($value)) {
                $errors[] = Tools::displayError('Invalid message');
            } else {
                $cart->addTextFieldToProduct(intval($product->id), $indexes[$fieldName], $value);
            }
        } elseif (in_array($fieldName, $authorizedTextFields) and empty($value)) {
            $cart->deleteTextFieldFromProduct(intval($product->id), $indexes[$fieldName]);
        }
    }
}

 public function initContent()
 {
     $payu = new PayU();
     $id_cart = Tools::getValue('id_cart');
     $id_payu_session = $this->context->cookie->__get('payu_order_id');
     if (Tools::getValue('error')) {
         Tools::redirect('order.php?error=' . Tools::getValue('error'), __PS_BASE_URI__, null, 'HTTP/1.1 301 Moved Permanently');
     }
     $payu->id_cart = $id_cart;
     $payu->payu_order_id = $id_payu_session;
     $order_payment = $payu->getOrderPaymentBySessionId($payu->payu_order_id);
     $id_order = (int) $order_payment['id_order'];
     $payu->id_cart = (int) $order_payment['id_cart'];
     // if order not validated yet
     $cart_id = $payu->id_cart;
     if ($id_order == 0 && $order_payment['status'] == PayU::PAYMENT_STATUS_NEW) {
         $cart = new Cart($payu->id_cart);
         $cart_id = $cart->id;
         $payu->validateOrder($cart->id, (int) Configuration::get('PAYU_PAYMENT_STATUS_PENDING'), $cart->getOrderTotal(true, Cart::BOTH), $payu->displayName, 'PayU cart ID: ' . $cart_id . ', sessionId: ' . $payu->payu_order_id, null, (int) $cart->id_currency, false, $cart->secure_key, Context::getContext()->shop->id ? new Shop((int) Context::getContext()->shop->id) : null);
         $payu->id_order = $payu->current_order = $payu->{'currentOrder'};
         $payu->updateOrderPaymentStatusBySessionId(PayU::PAYMENT_STATUS_INIT);
     }
     $id_order = $payu->getOrderIdBySessionId($id_payu_session);
     if (!empty($id_order)) {
         $payu->id_order = $id_order;
         $payu->updateOrderData();
     }
     Tools::redirect('index.php?controller=order-confirmation&id_cart=' . $cart_id, __PS_BASE_URI__, null, 'HTTP/1.1 301 Moved Permanently');
 }

 protected function onGetSimple(array $options)
 {
     $cart = new Cart($this->ctx);
     $result = $cart->getXML();
     $result .= $cart->getConfigXML();
     return html::wrap('cart', $result, array('mode' => 'simple'));
 }

 public function testCreateInitPayment()
 {
     $cart = new Cart(new Currency(Currency::CZK));
     $cart->addItem('Nákup na vasobchodcz', 1, 1789600, 'Lenovo ThinkPad Edge E540');
     $cart->addItem('Poštovné', 1, 0, 'Doprava PPL');
     $request = $this->requestFactory->createInitPayment('5547', new PayOperation(PayOperation::PAYMENT), new PayMethod(PayMethod::CARD), true, 'https://vasobchod.cz/gateway-return', new HttpMethod(HttpMethod::POST), $cart, 'Nákup na vasobchod.cz (Lenovo ThinkPad Edge E540, Doprava PPL)', 'some-base64-encoded-merchant-data', '123', new Language(Language::CZ), 1800, 1, 1);
     $this->assertInstanceOf(InitPaymentRequest::class, $request);
 }

 function get_cart()
 {
     $this->doNotRenderHeader = 1;
     $m = new Cart();
     $data = $m->getCartInfo();
     $this->assign('message', $data);
     $this->setReturnType('message');
 }

 public function initContent()
 {
     parent::initContent();
     $log_on = Configuration::get('YA_ORG_LOGGING_ON');
     if (Tools::getValue('label')) {
         $data = explode('_', Tools::getValue('label'));
     } else {
         $data = explode('_', Tools::getValue('customerNumber'));
     }
     if (!empty($data) && isset($data[1])) {
         $ordernumber = $data['1'];
         $this->context->smarty->assign('ordernumber', $ordernumber);
         $this->context->smarty->assign('time', date('Y-m-d H:i:s '));
         if (!$ordernumber) {
             if ($log_on) {
                 $this->module->logSave('yakassa_success: Error ' . $this->module->l('Cart number is not specified'));
             }
             $this->setTemplate('error.tpl');
         } else {
             $cart = new Cart((int) $ordernumber);
             $qty = $cart->nbProducts();
             $this->context->smarty->assign('nbProducts', $qty);
             if (!Validate::isLoadedObject($cart) || $qty < 1) {
                 if ($log_on) {
                     $this->module->logSave('yakassa_success: Error ' . $this->module->l('Shopping cart does not exist'));
                 }
                 $this->setTemplate('error.tpl');
             } else {
                 $ordernumber = (int) $cart->id;
                 if (!$ordernumber) {
                     if ($log_on) {
                         $this->module->logSave('yakassa_success: Error ' . $this->module->l('Order number is not specified'));
                     }
                     $this->setTemplate('error.tpl');
                 } else {
                     $order = new Order((int) Order::getOrderByCartId($cart->id));
                     $customer = new Customer((int) $order->id_customer);
                     if ($order->hasBeenPaid()) {
                         if ($log_on) {
                             $this->module->logSave('yakassa_success: #' . $order->id . ' ' . $this->module->l('Order paid'));
                         }
                         Tools::redirectLink(__PS_BASE_URI__ . 'order-confirmation.php?key=' . $customer->secure_key . '&id_cart=' . (int) $order->id_cart . '&id_module=' . (int) $this->module->id . '&id_order=' . (int) $order->id);
                     } else {
                         if ($log_on) {
                             $this->module->logSave('yakassa_success: #' . $order->id . ' ' . $this->module->l('Order wait payment'));
                         }
                         $this->setTemplate('waitingPayment.tpl');
                     }
                 }
             }
         }
     } else {
         if ($log_on) {
             $this->module->logSave('yakassa_success: Error ' . $this->module->l('Cart number is not specified'));
         }
         $this->setTemplate('error.tpl');
     }
 }

 /**
  * @param $order_payment
  * @param $payu
  * @param $response
  * @return mixed
  */
 private function createOrder($order_payment, Payu $payu, $response)
 {
     $cart = new Cart($order_payment['id_cart']);
     $payu->validateOrder($cart->id, (int) Configuration::get('PAYU_PAYMENT_STATUS_PENDING'), $cart->getOrderTotal(true, Cart::BOTH), $payu->displayName, 'PayU cart ID: ' . $cart->id . ', orderId: ' . $payu->payu_order_id, null, (int) $cart->id_currency, false, $cart->secure_key, Context::getContext()->shop->id ? new Shop((int) Context::getContext()->shop->id) : null);
     $id_order = $payu->current_order = $payu->currentOrder;
     SimplePayuLogger::addLog('notification', __FUNCTION__, 'Status zamówienia PayU: ' . PayU::PAYMENT_STATUS_NEW, $response->order->orderId);
     $payu->updateOrderPaymentStatusBySessionId(PayU::PAYMENT_STATUS_INIT);
     return $id_order;
 }

 public function delete()
 {
     if (parent::delete()) {
         $cart = new Cart($this->id_cart);
         $cart->status = Cart::IS_CLOSE;
         return $cart->update();
     }
     return false;
 }

function add_items_to_cart($id, $count)
{
    if (empty($_SESSION['simple_cart']) || !isset($_SESSION['simple_cart'])) {
        $c = new Cart();
        $c->add_item($id, $count);
        $_SESSION['simple_cart'] = $c;
    } else {
        $_SESSION['simple_cart']->add_item($id, $count);
    }
}