Current File : /www/varak.net/shop.varak.net/classes/tax/TaxCalculator.php
<?php
/*
* 2007-2016 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2016 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
/**
* @since 1.5.0
*
* TaxCaculator is responsible of the tax computation
*/
class TaxCalculatorCore
{
/**
* COMBINE_METHOD sum taxes
* eg: 100€ * (10% + 15%)
*/
const COMBINE_METHOD = 1;
/**
* ONE_AFTER_ANOTHER_METHOD apply taxes one after another
* eg: (100€ * 10%) * 15%
*/
const ONE_AFTER_ANOTHER_METHOD = 2;
/**
* @var array $taxes
*/
public $taxes;
/**
* @var int $computation_method (COMBINE_METHOD | ONE_AFTER_ANOTHER_METHOD)
*/
public $computation_method;
/**
* @param array $taxes
* @param int $computation_method (COMBINE_METHOD | ONE_AFTER_ANOTHER_METHOD)
*/
public function __construct(array $taxes = array(), $computation_method = TaxCalculator::COMBINE_METHOD)
{
// sanity check
foreach ($taxes as $tax) {
if (!($tax instanceof Tax)) {
throw new Exception('Invalid Tax Object');
}
}
$this->taxes = $taxes;
$this->computation_method = (int)$computation_method;
}
/**
* Compute and add the taxes to the specified price
*
* @param float $price_te price tax excluded
* @return float price with taxes
*/
public function addTaxes($price_te)
{
return $price_te * (1 + ($this->getTotalRate() / 100));
}
/**
* Compute and remove the taxes to the specified price
*
* @param float $price_ti price tax inclusive
* @return float price without taxes
*/
public function removeTaxes($price_ti)
{
return $price_ti / (1 + $this->getTotalRate() / 100);
}
/**
* @return float total taxes rate
*/
public function getTotalRate()
{
$taxes = 0;
if ($this->computation_method == TaxCalculator::ONE_AFTER_ANOTHER_METHOD) {
$taxes = 1;
foreach ($this->taxes as $tax) {
$taxes *= (1 + (abs($tax->rate) / 100));
}
$taxes = $taxes - 1;
$taxes = $taxes * 100;
} else {
foreach ($this->taxes as $tax) {
$taxes += abs($tax->rate);
}
}
return (float)$taxes;
}
public function getTaxesName()
{
$name = '';
foreach ($this->taxes as $tax) {
$name .= $tax->name[(int)Context::getContext()->language->id].' - ';
}
$name = rtrim($name, ' - ');
return $name;
}
/**
* Return the tax amount associated to each taxes of the TaxCalculator
*
* @param float $price_te
* @return array $taxes_amount
*/
public function getTaxesAmount($price_te)
{
$taxes_amounts = array();
foreach ($this->taxes as $tax) {
if ($this->computation_method == TaxCalculator::ONE_AFTER_ANOTHER_METHOD) {
$taxes_amounts[$tax->id] = $price_te * (abs($tax->rate) / 100);
$price_te = $price_te + $taxes_amounts[$tax->id];
} else {
$taxes_amounts[$tax->id] = ($price_te * (abs($tax->rate) / 100));
}
}
return $taxes_amounts;
}
/**
* Return the total taxes amount
*
* @param float $price_te
* @return float $amount
*/
public function getTaxesTotalAmount($price_te)
{
$amount = 0;
$taxes = $this->getTaxesAmount($price_te);
foreach ($taxes as $tax) {
$amount += $tax;
}
return $amount;
}
}
Mini Shell