/* This macro will be parsed as PHP code (see http://www.php.net)

The calculateshipping function is called every time a shipping calculation request is made by Shopify.

The function must return an array of available shipping options, otherwise no shipping options will be returned to your customers.
*/
function calculateshipping($DATA) {

	/* do not edit above this line */

	$_RATES = array();
	
	$hotlistitems = getcollection(1234556789);

	$t = 0;
	$hasHotlistItems = false;
	foreach ($DATA['items'] as $item) {
		if (in_array($item['product_id'],$hotlistitems)) $hasHotlistItems = true;
		$t += $item['quantity']*$item['price']/100;
	}

	if ($t > 150 && !$hasHotlistItems) {
		$_RATES[] = array(
			"service_name" => 'Free Shipping',
			"service_code" => 'Free Shipping',
			"total_price" => 0, //in cents
			"currency" => "USD",
		);
	}

	return $_RATES;

	/* do not edit below this line */

}