public function __construct($taxable)
{
$Tax = ShoppOrder()->Tax;
$taxes = array();
$Tax->rates($taxes);
$firstrate = reset($taxes);
if ($firstrate) {
$this->rate = $firstrate->rate;
}
$this->id = 'shipping';
$this->amount = ShoppTax::calculate($taxes, $taxable);
$this->label = Shopp::__('Shipping Tax');
}
public function prepare_items()
{
$this->id = 'taxrates';
$defaults = array('paged' => 1, 'per_page' => 25, 'action' => false);
$args = array_merge($defaults, $_GET);
extract($args, EXTR_SKIP);
$rates = (array) shopp_setting('taxrates');
$this->items = array();
foreach ($rates as $index => $taxrate) {
$this->items[$index] = array_merge(self::$template, array('id' => $index), $taxrate);
}
$specials = array(ShoppTax::ALL => Shopp::__('All Markets'));
if (ShoppTax::euvat(false, ShoppBaseLocale()->country(), ShoppTax::EUVAT)) {
$specials[ShoppTax::EUVAT] = Shopp::__('European Union');
}
$this->countries = array_filter(array_merge($specials, (array) shopp_setting('target_markets')));
$this->zones = ShoppLookup::country_zones();
$total = count($this->items);
$this->set_pagination_args(array('total_items' => $total, 'total_pages' => $total / $per_page, 'per_page' => $per_page));
shopp_custom_script('taxrates', '
var suggurl = "' . wp_nonce_url(admin_url('admin-ajax.php'), 'wp_ajax_shopp_suggestions') . '",
rates = ' . json_encode($this->items) . ',
zones = ' . json_encode($this->zones) . ',
lookup = ' . json_encode(ShoppLookup::localities()) . ',
taxrates = [];
');
}
/**
* 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 function taxrates()
{
if (!current_user_can('shopp_settings_taxes')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
$edit = false;
if (isset($_REQUEST['id'])) {
$edit = (int) $_REQUEST['id'];
}
$localerror = false;
$rates = shopp_setting('taxrates');
if (!is_array($rates)) {
$rates = array();
}
if (isset($_GET['delete'])) {
check_admin_referer('shopp_delete_taxrate');
$delete = (int) $_GET['delete'];
if (isset($rates[$delete])) {
array_splice($rates, $delete, 1);
}
shopp_set_setting('taxrates', $rates);
}
if (isset($_POST['editing'])) {
$rates[$edit] = $_POST['settings']['taxrates'][$edit];
}
if (isset($_POST['addrule'])) {
$rates[$edit]['rules'][] = array('p' => '', 'v' => '');
}
if (isset($_POST['deleterule'])) {
check_admin_referer('shopp-settings-taxrates');
list($rateid, $row) = explode(',', $_POST['deleterule']);
if (isset($rates[$rateid]) && isset($rates[$rateid]['rules'])) {
array_splice($rates[$rateid]['rules'], $row, 1);
shopp_set_setting('taxrates', $rates);
}
}
if (isset($rates[$edit]['haslocals'])) {
$rates[$edit]['haslocals'] = $rates[$edit]['haslocals'] == 'true' || $rates[$edit]['haslocals'] == '1';
}
if (isset($_POST['add-locals'])) {
$rates[$edit]['haslocals'] = true;
}
if (isset($_POST['remove-locals'])) {
$rates[$edit]['haslocals'] = false;
$rates[$edit]['locals'] = array();
}
$upload = $this->taxrate_upload();
if ($upload !== false) {
if (isset($upload['error'])) {
$localerror = $upload['error'];
} else {
$rates[$edit]['locals'] = $upload;
}
}
if (isset($_POST['editing'])) {
// Re-sort taxes from generic to most specific
usort($rates, array($this, 'taxrates_sorting'));
$rates = stripslashes_deep($rates);
shopp_set_setting('taxrates', $rates);
}
if (isset($_POST['addrate'])) {
$edit = count($rates);
}
if (isset($_POST['submit'])) {
$edit = false;
}
$base = shopp_setting('base_operations');
$specials = array(ShoppTax::ALL => Shopp::__('All Markets'));
if (ShoppTax::euvat(false, $base['country'], ShoppTax::EUVAT)) {
$specials[ShoppTax::EUVAT] = Shopp::__('European Union');
}
$countries = array_merge($specials, (array) shopp_setting('target_markets'));
$zones = Lookup::country_zones();
include $this->ui('taxrates.php');
}
/**
* Helper to apply or exclude taxes from a single amount based on inclusive tax settings and the tax option
*
* @author Jonathan Davis
* @since 1.3
*
* @param float $amount The amount to add taxes to, or exclude taxes from
* @param ShoppProduct $O The product to get properties from
* @param boolean $istaxed Whether the amount can be taxed
* @param boolean $taxoption The Theme API tax option given the the tag
* @param array $taxrates A list of taxrates that apply to the product and amount
* @return float The amount with tax added or tax excluded
**/
private static function _taxed($amount, ShoppProduct $O, $istaxed, $taxoption = null, array $taxrates = array())
{
if (!$istaxed) {
return $amount;
}
if (empty($taxrates)) {
$taxrates = Shopp::taxrates($O);
}
if (isset($taxoption)) {
$taxoption = Shopp::str_true($taxoption);
}
$inclusivetax = self::_inclusive_taxes($O);
if ($inclusivetax) {
$adjustment = ShoppTax::adjustment($taxrates);
if (1 != $adjustment && false !== $taxoption) {
// Only adjust when taxes are not excluded @see #3041
return (double) ($amount / $adjustment);
}
}
// Handle inclusive/exclusive tax presentation options (product editor setting or api option)
// If the 'taxes' option is specified and the item either has inclusive taxes that apply,
// or the 'taxes' option is forced on (but not both) then handle taxes by either adding or excluding taxes
// This is an exclusive or known as XOR, the lesser known brother of Thor that gets left out of the family get togethers
if (isset($taxoption) && $inclusivetax ^ $taxoption) {
if ($taxoption) {
return ShoppTax::calculate($taxrates, (double) $amount);
} else {
return ShoppTax::exclusive($taxrates, (double) $amount);
}
}
return $amount;
}
/**
* 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', $taxes);
}
public static function adjustment($rates)
{
if (!shopp_setting_enabled('tax_inclusive')) {
return 1;
}
$baserates = ShoppTax::baserates();
$baserate = reset($baserates);
$appliedrate = reset($rates);
$baserate = isset($baserate->rate) ? $baserate->rate : 0;
$appliedrate = isset($appliedrate->rate) ? $appliedrate->rate : 0;
return 1 + ($baserate - $appliedrate);
}
