/**
* Action that gets called before we interface with our payment
* method.
*
* This action is responsible for setting up an order and
* saving it into the database (as well as a session) and then hands
* the current request over to the relevent payment handler
* for final processing.
*
* @param $request Current request object
*/
public function index($request)
{
$cart = ShoppingCart::get();
$data = array();
$payment_data = array();
$handler = $this->payment_handler;
// If shopping cart doesn't exist, redirect to base
if (!$cart->getItems()->exists() || $this->getPaymentHandler() === null) {
return $this->redirect($cart->Link());
}
// Get billing and delivery details and merge into an array
$billing_data = Session::get("Checkout.BillingDetailsForm.data");
$delivery_data = Session::get("Checkout.DeliveryDetailsForm.data");
// If we have applied free shipping, set that up, else get
if (Session::get('Checkout.PostageID') == -1) {
$postage = Checkout::CreateFreePostageObject();
} else {
$postage = PostageArea::get()->byID(Session::get('Checkout.PostageID'));
}
// If we are using a complex checkout and do not have correct
// details redirect
if (!Checkout::config()->simple_checkout && !$cart->isCollection() && (!$postage || !$billing_data || !$delivery_data)) {
return $this->redirect(Checkout_Controller::create()->Link());
}
if ($cart->isCollection() && !$billing_data) {
return $this->redirect(Checkout_Controller::create()->Link());
}
// Create an order number
$data["OrderNumber"] = substr(chunk_split(Checkout::getRandomNumber(), 4, '-'), 0, -1);
// Setup holder for Payment ID
$data["PaymentID"] = 0;
// Set status
$data['Status'] = 'incomplete';
// Assign billing, delivery and postage data
if (!Checkout::config()->simple_checkout) {
$data = array_merge($data, $billing_data);
$data = is_array($delivery_data) ? array_merge($data, $delivery_data) : $data;
$checkout_data = Checkout::config()->checkout_data;
if (!$cart->isCollection()) {
$data['PostageType'] = $postage->Title;
$data['PostageCost'] = $postage->Cost;
$data['PostageTax'] = $postage->Tax ? $postage->Cost / 100 * $postage->Tax : 0;
}
if ($cart->getDiscount()) {
$data['Discount'] = $cart->getDiscount()->Title;
$data['DiscountAmount'] = $cart->DiscountAmount;
}
// Add full country names if needed
if (in_array("CountryFull", $checkout_data)) {
$data['CountryFull'] = Checkout::country_name_from_code($data["Country"]);
}
if (in_array("DeliveryCountryFull", $checkout_data) && array_key_exists("DeliveryCountry", $data)) {
$data['DeliveryCountryFull'] = Checkout::country_name_from_code($data["DeliveryCountry"]);
}
foreach ($checkout_data as $key) {
if (array_key_exists($key, $data)) {
$payment_data[$key] = $data[$key];
}
}
}
// Set our order data as a generic object
$handler->setOrderData(ArrayData::array_to_object($payment_data));
return $handler->handleRequest($request, $this->model);
}
/**
* Find relevent postage rates, based on supplied:
* - Country
* - Zip/postal code
* - Weight
* - Cost
* - Number of Items
*
* This is returned as an ArrayList that can be looped through.
*
* @return ArrayList
*/
public function getPostageAreas()
{
$return = ArrayList::create();
$config = SiteConfig::current_site_config();
$cart = ShoppingCart::get();
$discount = $cart->getDiscount();
$filter_zipcode = strtolower(substr($this->zipcode, 0, 2));
if ($this->include_wildcards) {
$filter = array("Country:PartialMatch" => array($this->country_code, "*"), "ZipCode:PartialMatch" => array($filter_zipcode, "*"));
} else {
$filter = array("Country:PartialMatch" => $this->country_code, "ZipCode:PartialMatch" => $filter_zipcode);
}
// Find any postage areas that match our filter
$postage_areas = $config->PostageAreas()->filter($filter);
// Check if any discounts are set with free postage
// This is a little hacky at the moment, need to find a nicer
// way to add free shipping.
if ($discount && $discount->Type == "Free Shipping" && (strpos($discount->Country, $this->country_code) !== false || $discount->Country == "*")) {
$postage = Checkout::CreateFreePostageObject();
$return->add($postage);
}
// Make sure we don't effect any associations
foreach ($postage_areas as $item) {
$return->add($item);
}
// Before doing anything else, remove any wildcards (if needed)
$exact_country = false;
// Find any countries that are exactly matched
foreach ($return as $location) {
if ($location->Country != "*") {
$exact_country = true;
}
}
// If exactly matched, remove any wildcards
foreach ($return as $location) {
if ($exact_country && $location->Country == "*" && $location->ID != -1) {
$return->remove($location);
}
}
// Now we have a list of locations, start checking for additional
// rules an remove if not applicable.
$total_cost = $this->cost;
$total_weight = $this->weight;
$total_items = $this->items;
$max_cost = 0;
$max_weight = 0;
$max_items = 0;
// First loop through and find items that are invalid
foreach ($return as $location) {
if ($location->Calculation == "Price" && $total_cost < $location->Unit) {
$return->remove($location);
}
if ($location->Calculation == "Weight" && $total_weight < $location->Unit) {
$return->remove($location);
}
if ($location->Calculation == "Items" && $total_items < $location->Unit) {
$return->remove($location);
}
}
// Now find max values based on units
foreach ($return as $location) {
if ($location->Calculation == "Price" && $location->Unit > $max_cost) {
$max_cost = $location->Unit;
}
if ($location->Calculation == "Weight" && $location->Unit > $max_weight) {
$max_weight = $location->Unit;
}
if ($location->Calculation == "Items" && $location->Unit > $max_items) {
$max_items = $location->Unit;
}
}
// Now loop through again and calculate which brackets each
// Location fits in
foreach ($return as $location) {
if ($location->Calculation == "Price" && $location->Unit < $max_cost) {
$return->remove($location);
}
if ($location->Calculation == "Weight" && $location->Unit < $max_weight) {
$return->remove($location);
}
if ($location->Calculation == "Items" && $location->Unit < $max_items) {
$return->remove($location);
}
}
return $return;
}