/**
* Handle drawing checkout form
*
* @param array $tag_params
* @param array $children
*/
public function tag_CheckoutForm($tag_params, $children)
{
$account_information = array();
$shipping_information = array();
$billing_information = array();
$payment_method = null;
$stage = isset($_REQUEST['stage']) ? fix_chars($_REQUEST['stage']) : null;
$recurring = isset($_SESSION['recurring_plan']) && !empty($_SESSION['recurring_plan']);
// decide whether to include shipping and account information
if (isset($tag_params['include_shipping'])) {
$include_shipping = fix_id($tag_params['include_shipping']) == 1;
} else {
$include_shipping = true;
}
$bad_fields = array();
$info_available = false;
// grab user information
if (!is_null($stage)) {
// get payment method
$payment_method = $this->getPaymentMethod($tag_params);
if (is_null($payment_method)) {
throw new PaymentMethodError('No payment method selected!');
}
// get billing information
$billing_information = $this->getBillingInformation($payment_method);
$billing_required = array('billing_full_name', 'billing_card_type', 'billing_credit_card', 'billing_expire_month', 'billing_expire_year', 'billing_cvv');
$bad_fields = $this->checkFields($billing_information, $billing_required, $bad_fields);
// get shipping information
if ($include_shipping && $stage == 'set_info') {
$shipping_information = $this->getShippingInformation();
$shipping_required = array('name', 'email', 'street', 'city', 'zip', 'country');
$bad_fields = $this->checkFields($shipping_information, $shipping_required, $bad_fields);
}
}
$info_available = count($bad_fields) == 0 && !is_null($payment_method);
if ($info_available) {
$address_manager = ShopDeliveryAddressManager::getInstance();
$currency_manager = ShopCurrenciesManager::getInstance();
// get fields for payment method
$return_url = url_Make('checkout_completed', 'shop', array('payment_method', $payment_method->get_name()));
$cancel_url = url_Make('checkout_canceled', 'shop', array('payment_method', $payment_method->get_name()));
// get currency info
$currency = $this->settings['default_currency'];
$currency_item = $currency_manager->getSingleItem(array('id'), array('currency' => $currency));
if (is_object($currency_item)) {
$transaction_data['currency'] = $currency_item->id;
}
// get buyer
$buyer = $this->getUserAccount();
if ($include_shipping) {
$address = $this->getAddress($buyer, $shipping_information);
} else {
$address = null;
}
// update transaction
$transaction_type = $recurring ? TransactionType::SUBSCRIPTION : TransactionType::SHOPPING_CART;
$summary = $this->updateTransaction($transaction_type, $payment_method, '', $buyer, $address);
// emit signal and return if handled
if ($stage == 'set_info') {
Events::trigger('shop', 'before-checkout', $payment_method->get_name(), $return_url, $cancel_url);
foreach ($result_list as $result) {
if ($result) {
$this->showCheckoutRedirect();
return;
}
}
}
// create new payment
if ($recurring) {
// recurring payment
$checkout_fields = $payment_method->new_recurring_payment($_SESSION['recurring_plan'], $billing_information, $return_url, $cancel_url);
} else {
// regular payment
$checkout_fields = $payment_method->new_payment($transaction_data, $billing_information, $summary['items_for_checkout'], $return_url, $cancel_url);
}
// load template
$template = $this->loadTemplate($tag_params, 'checkout_form.xml');
$template->registerTagHandler('cms:checkout_items', $this, 'tag_CheckoutItems');
$template->registerTagHandler('cms:delivery_methods', $this, 'tag_DeliveryMethodsList');
// parse template
$params = array('checkout_url' => $payment_method->get_url(), 'checkout_fields' => $checkout_fields, 'checkout_name' => $payment_method->get_title(), 'currency' => $this->getDefaultCurrency(), 'recurring' => $recurring, 'include_shipping' => $include_shipping);
// for recurring plans add additional params
if ($recurring) {
$plans = $payment_method->get_recurring_plans();
$plan_name = $_SESSION['recurring_plan'];
$plan = $plans[$plan_name];
$params['plan_name'] = $plan['name'];
$params['plan_description'] = $this->formatRecurring(array('price' => $plan['price'], 'period' => $plan['interval_count'], 'period' => $plan['interval_count'], 'unit' => $plan['interval'], 'setup' => $plan['setup_price'], 'trial_period' => $plan['trial_count'], 'trial_unit' => $plan['trial']));
} else {
$params['sub-total'] = number_format($summary['total'], 2);
$params['shipping'] = number_format($summary['shipping'], 2);
$params['handling'] = number_format($summary['handling'], 2);
$params['total_weight'] = number_format($summary['weight'], 2);
$params['total'] = number_format($summary['total'] + $summary['shipping'] + $summary['handling'], 2);
}
$template->restoreXML();
$template->setLocalParams($params);
$template->parse();
} else {
// no information available, show form
$template = new TemplateHandler('buyer_information.xml', $this->path . 'templates/');
$template->setMappedModule($this->name);
$template->registerTagHandler('cms:card_type', $this, 'tag_CardType');
// get fixed country if set
$fixed_country = '';
if (isset($this->settings['fixed_country'])) {
$fixed_country = $this->settings['fixed_country'];
}
$params = array('include_shipping' => $include_shipping, 'fixed_country' => $fixed_country, 'bad_fields' => $bad_fields, 'recurring' => $recurring);
$template->restoreXML();
$template->setLocalParams($params);
$template->parse();
}
}
