/**
* Calculates the totals for this line item, including taxes.
* @return void
*/
public function calculateTotals()
{
$discountAmount = $this->price * $this->discount;
$this->subtotal = ($this->price - $discountAmount) * $this->quantity;
if ($this->invoice && !$this->is_tax_exempt) {
$this->tax = Tax::getTotalTax($this->tax_class_id, $this->subtotal, $this->invoice->getLocationInfo());
}
$this->total = $this->subtotal + $this->tax;
}
