private function calculate_bulk_price(Product $product, $item)
{
$price = 0;
foreach ($product->BulkPrices() as $bulk_price) {
$range = array();
// Determine whaty type of price we are dealing with
if (strpos($bulk_price->Quantity, "-") !== false) {
// We are looking for a range
$range = explode("-", $bulk_price->Quantity);
} elseif (strpos($bulk_price->Quantity, "+") !== false) {
// We are looking this number or greater
$range[0] = str_replace("+", "", $bulk_price->Quantity);
$range[1] = -1;
// -1 means no upper limit
} else {
// Assume we are dealing with a single price
$range[0] = $bulk_price->Quantity;
$range[1] = $bulk_price->Quantity;
}
// Now cast quantities correctly
$range[0] = (int) $range[0];
$range[1] = (int) $range[1];
// Finally check if the current quantity sits in the
// current range and amend price
if ($range[1] == -1 && $item->Quantity >= $range[0] || $item->Quantity >= $range[0] && $item->Quantity <= $range[1]) {
$price = $bulk_price->Price;
}
}
if (!$price) {
$price = $product->Price;
}
// Check for customisations that modify price
foreach ($item->Customised as $custom_item) {
// If a customisation modifies price, adjust the price
$price = (double) $price + (double) $custom_item->ModifyPrice;
}
// finally, return price
return $price;
}
