/**
* Get shipping methods.
*/
function get_shipping_methods($cart)
{
// Let cart override?
if ($cart['shipping_methods']) {
$methods = $cart['shipping_methods'];
} else {
// Zip and weight required.
if (!$cart['order']['shipping']['zip'] || !$cart['weight']) {
return false;
}
// Params used to cache shipping methods.
$params = array('country' => $cart['order']['shipping']['country'], 'zip' => $cart['order']['shipping']['zip'], 'weight' => $cart['weight'], 'discounts' => $cart['discounts']);
// Cache for 1 hour.
$cache_uri = "/cache/shipping_methods/" . md5(serialize($params)) . "?expire=3600";
$methods = get($cache_uri);
// Not cached?
if (count($methods) == 0) {
// Get available methods.
$methods = get("/shipments/methods", $params);
// Put result in cache?
if ($methods && !$methods['errors']) {
put($cache_uri, $methods);
}
}
}
// Apply discounts.
$methods = Discounts::apply_shipping($cart, $methods, $cart['discounts']);
return $methods;
}
