/**
* Calculate taxes that apply to the item
*
* @author Jonathan Davis
* @since 1.3
*
* @param integer $quantity The taxable quantity of items
* @return void
**/
public function taxes($quantity = 1)
{
if (!$this->istaxed) {
return do_action('shopp_cart_item_taxes', $this);
}
$Tax = ShoppOrder()->Tax;
if (empty($Tax)) {
$Tax = new ShoppTax();
}
// ShoppTax support for Dev API calls
// For all the price units (base product and any addons),
// distribute discounts across taxable amounts using weighted averages
$_ = array();
if ($this->unitprice > 0) {
$taxable = 0;
foreach ($this->taxable as $amount) {
$_[] = $amount - $amount / $this->unitprice * $this->discount;
}
}
$taxable = (double) array_sum($_);
$taxableqty = $this->bogof && $this->bogof != $this->quantity ? $this->quantity - $this->bogof : $this->quantity;
$Tax->rates($this->taxes, $Tax->item($this));
$this->unittax = ShoppTax::calculate($this->taxes, $taxable);
$this->tax = $Tax->total($this->taxes, (int) $taxableqty);
// Handle inclusive tax price adjustments for non-EU markets or alternate tax rate markets
$adjustment = ShoppTax::adjustment($this->taxes);
if (1 != $adjustment) {
if (!isset($this->taxprice)) {
$this->taxprice = $this->unitprice;
}
// Modify the unitprice from the original tax inclusive price and update the discounted price
$this->unitprice = $this->taxprice / $adjustment;
$this->priced = $this->unitprice - $this->discount;
} elseif (isset($this->taxprice)) {
// Undo tax price adjustments
$this->unitprice = $this->taxprice;
unset($this->taxprice);
}
do_action('shopp_cart_item_taxes', $this);
}
public static function baserates($Item = null)
{
// Get base tax rate
$base = shopp_setting('base_operations');
$BaseTax = new ShoppTax();
$BaseTax->location($base['country'], false, false);
// Calculate the deduction
$baserates = array();
$BaseTax->rates($baserates, $BaseTax->item($Item));
return (array) $baserates;
}
/**
* Determines all applicable tax rates for the store or an item
*
* @author Jonathan Davis
* @since 1.0
* @version 1.3
*
* @param Object $Item (optional) The ShoppProduct, ShoppCartItem or ShoppPurchased object to find tax rates for
* @return float The determined tax rate
**/
public static function taxrates($Item = null)
{
$Tax = new ShoppTax();
$Order = ShoppOrder();
// Setup taxable address
$Tax->address($Order->Billing, $Order->Shipping, $Order->Cart->shipped());
$taxes = array();
if (is_null($Item)) {
$Tax->rates($taxes);
} else {
$Tax->rates($taxes, $Tax->item($Item));
}
return apply_filters('shopp_taxrates', $taxes);
}
public static function baserates($Item = null)
{
// Get base tax rate
$BaseTax = new ShoppTax();
$BaseTax->location(ShoppBaseLocale()->country(), false, false);
// Calculate the deduction
$baserates = array();
$BaseTax->rates($baserates, $BaseTax->item($Item));
return (array) $baserates;
}
