/**
* Sets tax information
*
* @throws InvalidArgumentException If $amount is negative
*
* @param float $amount The positive tax amount as a percentage
* @param string $type The type of tax the $amount represents. One of:
* - inclusive Prices include tax
* - exclusive Prices do not include tax
*/
public function __construct($amount, $type)
{
// Amount must be non-negative
if (!is_numeric($amount) || $amount < 0) {
throw new InvalidArgumentException(sprintf('TaxPrice must be instantiated with a positive amount.'));
}
parent::__construct($amount, $type);
}
/**
* Sets discount information
*
* @throws InvalidArgumentException If $amount is negative
*
* @param float $amount The positive amount to discount
* @param string $type The type of discount the $amount represents. One of:
* - percent The $amount represents a percentage discount (NOT already divided by 100)
* - amount The $amount represents an amount discount
*/
public function __construct($amount, $type)
{
// Amount must be non-negative
if (!is_numeric($amount) || $amount < 0) {
throw new InvalidArgumentException(sprintf('DiscountPrice must be instantiated with a positive amount.'));
}
parent::__construct($amount, $type);
// Keep a running total of the remaining discount for amounts
$this->discount_remaining = 0;
if ('percent' !== $this->type) {
$this->discount_remaining = $amount;
}
}
