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<?php |
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/*************************************************************************************/ |
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/* This file is part of the Thelia package. */ |
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/* */ |
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/* Copyright (c) OpenStudio */ |
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/* email : [email protected] */ |
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/* web : http://www.thelia.net */ |
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/* */ |
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/* For the full copyright and license information, please view the LICENSE.txt */ |
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/* file that was distributed with this source code. */ |
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/*************************************************************************************/ |
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namespace Thelia\TaxEngine; |
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use Thelia\Exception\TaxEngineException; |
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use Thelia\Model\Cart; |
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use Thelia\Model\CartItem; |
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use Thelia\Model\Country; |
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use Thelia\Model\Order; |
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use Thelia\Model\OrderProductTax; |
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use Thelia\Model\Product; |
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use Thelia\Model\State; |
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use Thelia\Model\Tax; |
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use Thelia\Model\TaxI18n; |
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use Thelia\Model\TaxRule; |
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use Thelia\Model\TaxRuleQuery; |
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use Thelia\Tools\I18n; |
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/** |
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* Class Calculator |
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* @package Thelia\TaxEngine |
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* @author Etienne Roudeix <[email protected]> |
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* @author Franck Allimant <[email protected]> |
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* @author Vincent Lopes <[email protected]> |
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*/ |
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class Calculator |
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{ |
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/** |
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* @var TaxRuleQuery |
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*/ |
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protected $taxRuleQuery; |
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/** |
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* @var null|\Propel\Runtime\Collection\ObjectCollection |
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*/ |
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protected $taxRulesCollection; |
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protected $product; |
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protected $country; |
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protected $state; |
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public function __construct() |
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{ |
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$this->taxRuleQuery = new TaxRuleQuery(); |
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} |
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/** |
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* @param Cart $cart |
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* @param Country $country |
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* @param State|null $state |
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* |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public static function getUntaxedCartDiscount(Cart $cart, Country $country, State $state = null) |
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{ |
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return $cart->getDiscount() / self::getCartTaxFactor($cart, $country, $state); |
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} |
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/** |
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* @param Cart $cart |
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* @param Country $country |
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* @param State|null $state |
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* |
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* @return float|int |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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/** |
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* @param Order $order |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public static function getUntaxedOrderDiscount(Order $order) |
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{ |
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return $order->getDiscount() / self::getOrderTaxFactor($order); |
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} |
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/** |
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* @param Order $order |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public static function getOrderTaxFactor(Order $order) |
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{ |
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// Cache the result in a local variable |
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static $orderTaxFactor; |
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if (null === $orderTaxFactor) { |
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if ((float)$order->getDiscount() === 0.0) { |
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return 1; |
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} |
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// Find the average Tax rate (see \Thelia\TaxEngine\Calculator::getCartTaxFactor()) |
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$orderTaxFactors = []; |
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/** @var \Thelia\Model\OrderProduct $orderProduct */ |
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foreach ($order->getOrderProducts() as $orderProduct) { |
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/** @var \Thelia\Core\Template\Loop\OrderProductTax $orderProductTax */ |
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foreach ($orderProduct->getOrderProductTaxes() as $orderProductTax) { |
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$orderTaxFactors[] = 1 + $orderProductTax->getAmount() / $orderProduct->getPrice(); |
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} |
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} |
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$orderTaxFactor = array_sum($orderTaxFactors) / count($orderTaxFactors); |
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} |
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return $orderTaxFactor; |
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} |
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/** |
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* @param Cart $cart |
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* @param Country $country |
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* @param State|null $state |
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* |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public static function getCartTaxFactor(Cart $cart, Country $country, State $state = null) |
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{ |
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// Cache the result in a local variable |
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static $cartFactor; |
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if (null === $cartFactor) { |
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if ((float)$cart->getDiscount() === 0.0) { |
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return 1; |
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} |
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$cartItems = $cart->getCartItems(); |
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// Get the average of tax factor to apply it to the discount |
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$cartTaxFactors = []; |
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/** @var CartItem $cartItem */ |
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foreach ($cartItems as $cartItem) { |
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$taxRulesCollection = TaxRuleQuery::create()->getTaxCalculatorCollection($cartItem->getProduct()->getTaxRule(), $country, $state); |
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/** @var TaxRule $taxRule */ |
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foreach ($taxRulesCollection as $taxRule) { |
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$cartTaxFactors[] = 1 + $taxRule->getTypeInstance()->pricePercentRetriever(); |
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} |
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} |
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$cartFactor = array_sum($cartTaxFactors) / count($cartTaxFactors); |
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} |
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return $cartFactor; |
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} |
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/** |
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* @param Product $product |
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* @param Country $country |
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* @param State|null $state |
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* @return $this |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public function load(Product $product, Country $country, State $state = null) |
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{ |
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if ($product->getId() === null) { |
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throw new TaxEngineException('Product id is empty in Calculator::load', TaxEngineException::UNDEFINED_PRODUCT); |
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} |
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if ($country->getId() === null) { |
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throw new TaxEngineException('Country id is empty in Calculator::load', TaxEngineException::UNDEFINED_COUNTRY); |
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} |
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$this->product = $product; |
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$this->country = $country; |
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$this->state = $state; |
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$this->taxRulesCollection = $this->taxRuleQuery->getTaxCalculatorCollection($product->getTaxRule(), $country, $state); |
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return $this; |
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} |
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/** |
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* @param TaxRule $taxRule |
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* @param Country $country |
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* @param Product $product |
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* @param State|null $state |
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* @return $this |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public function loadTaxRule(TaxRule $taxRule, Country $country, Product $product, State $state = null) |
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{ |
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if ($taxRule->getId() === null) { |
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throw new TaxEngineException('TaxRule id is empty in Calculator::loadTaxRule', TaxEngineException::UNDEFINED_TAX_RULE); |
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} |
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if ($country->getId() === null) { |
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throw new TaxEngineException('Country id is empty in Calculator::loadTaxRule', TaxEngineException::UNDEFINED_COUNTRY); |
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} |
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if ($product->getId() === null) { |
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throw new TaxEngineException('Product id is empty in Calculator::load', TaxEngineException::UNDEFINED_PRODUCT); |
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} |
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$this->country = $country; |
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$this->product = $product; |
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$this->state = $state; |
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$this->taxRulesCollection = $this->taxRuleQuery->getTaxCalculatorCollection($taxRule, $country, $state); |
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return $this; |
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} |
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/** |
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* @param TaxRule $taxRule |
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* @param Product $product |
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* @return $this |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public function loadTaxRuleWithoutCountry(TaxRule $taxRule, Product $product) |
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{ |
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$this->product = null; |
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$this->taxRulesCollection = null; |
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if ($taxRule->getId() === null) { |
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throw new TaxEngineException('TaxRule id is empty in Calculator::loadTaxRule', TaxEngineException::UNDEFINED_TAX_RULE); |
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} |
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if ($product->getId() === null) { |
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throw new TaxEngineException('Product id is empty in Calculator::load', TaxEngineException::UNDEFINED_PRODUCT); |
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} |
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$this->product = $product; |
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$this->taxRulesCollection = $this->taxRuleQuery->getTaxCalculatorCollection($taxRule); |
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return $this; |
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} |
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/** |
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* @param TaxRule $taxRule |
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* @param Country $country |
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* @param State|null $state |
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* @return $this |
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* @throws \Propel\Runtime\Exception\PropelException |
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* @since 2.4 |
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*/ |
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public function loadTaxRuleWithoutProduct(TaxRule $taxRule, Country $country, State $state = null) |
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{ |
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if ($taxRule->getId() === null) { |
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throw new TaxEngineException('TaxRule id is empty in Calculator::loadTaxRule', TaxEngineException::UNDEFINED_TAX_RULE); |
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} |
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if ($country->getId() === null) { |
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throw new TaxEngineException('Country id is empty in Calculator::loadTaxRule', TaxEngineException::UNDEFINED_COUNTRY); |
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} |
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$this->country = $country; |
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$this->product = new Product(); |
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$this->state = $state; |
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$this->taxRulesCollection = $this->taxRuleQuery->getTaxCalculatorCollection($taxRule, $country, $state); |
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return $this; |
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} |
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/** |
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* @param $untaxedPrice |
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* @param null $taxCollection |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public function getTaxAmountFromUntaxedPrice($untaxedPrice, &$taxCollection = null) |
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{ |
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return $this->getTaxedPrice($untaxedPrice, $taxCollection) - $untaxedPrice; |
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} |
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/** |
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* @param $taxedPrice |
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* @return float |
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*/ |
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public function getTaxAmountFromTaxedPrice($taxedPrice) |
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{ |
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return $taxedPrice - $this->getUntaxedPrice($taxedPrice); |
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} |
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/** |
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* @param float $untaxedPrice |
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* @param OrderProductTaxCollection|null $taxCollection returns OrderProductTaxCollection |
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* @param string|null $askedLocale |
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* @return float |
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* @throws \Propel\Runtime\Exception\PropelException |
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*/ |
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public function getTaxedPrice($untaxedPrice, &$taxCollection = null, $askedLocale = null) |
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{ |
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if (null === $this->taxRulesCollection) { |
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throw new TaxEngineException('Tax rules collection is empty in Calculator::getTaxedPrice', TaxEngineException::UNDEFINED_TAX_RULES_COLLECTION); |
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} |
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if (null === $this->product) { |
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throw new TaxEngineException('Product is empty in Calculator::getTaxedPrice', TaxEngineException::UNDEFINED_PRODUCT); |
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} |
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if (false === filter_var($untaxedPrice, FILTER_VALIDATE_FLOAT)) { |
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throw new TaxEngineException('BAD AMOUNT FORMAT', TaxEngineException::BAD_AMOUNT_FORMAT); |
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} |
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$taxedPrice = $untaxedPrice; |
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$currentPosition = 1; |
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$currentTax = 0; |
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if (null !== $taxCollection) { |
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$taxCollection = new OrderProductTaxCollection(); |
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} |
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/** @var Tax $taxRule */ |
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foreach ($this->taxRulesCollection as $taxRule) { |
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$position = (int) $taxRule->getTaxRuleCountryPosition(); |
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/** @var BaseTaxType $taxType */ |
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$taxType = $taxRule->getTypeInstance(); |
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if ($currentPosition !== $position) { |
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$taxedPrice += $currentTax; |
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$currentTax = 0; |
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$currentPosition = $position; |
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} |
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$taxAmount = $taxType->calculate($this->product, $taxedPrice); |
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$currentTax += $taxAmount; |
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if (null !== $taxCollection) { |
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/** @var TaxI18n $taxI18n */ |
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$taxI18n = I18n::forceI18nRetrieving($askedLocale, 'Tax', $taxRule->getId()); |
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$orderProductTax = (new OrderProductTax()) |
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->setTitle($taxI18n->getTitle()) |
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->setDescription($taxI18n->getDescription()) |
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->setAmount($taxAmount) |
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; |
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$taxCollection->addTax($orderProductTax); |
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} |
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} |
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$taxedPrice += $currentTax; |
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return $taxedPrice; |
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} |
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/** |
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* @param $taxedPrice |
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* @return float|int|number |
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*/ |
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public function getUntaxedPrice($taxedPrice) |
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{ |
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if (null === $this->taxRulesCollection) { |
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throw new TaxEngineException('Tax rules collection is empty in Calculator::getTaxAmount', TaxEngineException::UNDEFINED_TAX_RULES_COLLECTION); |
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} |
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if (null === $this->product) { |
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throw new TaxEngineException('Product is empty in Calculator::getTaxedPrice', TaxEngineException::UNDEFINED_PRODUCT); |
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} |
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if (false === filter_var($taxedPrice, FILTER_VALIDATE_FLOAT)) { |
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|
throw new TaxEngineException('BAD AMOUNT FORMAT', TaxEngineException::BAD_AMOUNT_FORMAT); |
363
|
|
|
} |
364
|
|
|
|
365
|
|
|
$taxRule = $this->taxRulesCollection->getLast(); |
366
|
|
|
|
367
|
|
|
if (null === $taxRule) { |
368
|
|
|
throw new TaxEngineException('Tax rules collection got no tax ', TaxEngineException::NO_TAX_IN_TAX_RULES_COLLECTION); |
369
|
|
|
} |
370
|
|
|
|
371
|
|
|
$untaxedPrice = $taxedPrice; |
372
|
|
|
$currentPosition = (int) $taxRule->getTaxRuleCountryPosition(); |
373
|
|
|
$currentFixTax = 0; |
374
|
|
|
$currentTaxFactor = 0; |
375
|
|
|
|
376
|
|
|
do { |
377
|
|
|
$position = (int) $taxRule->getTaxRuleCountryPosition(); |
378
|
|
|
|
379
|
|
|
/** @var BaseTaxType $taxType */ |
380
|
|
|
$taxType = $taxRule->getTypeInstance(); |
381
|
|
|
|
382
|
|
|
if ($currentPosition !== $position) { |
383
|
|
|
$untaxedPrice -= $currentFixTax; |
384
|
|
|
$untaxedPrice /= (1 + $currentTaxFactor); |
385
|
|
|
$currentFixTax = 0; |
386
|
|
|
$currentTaxFactor = 0; |
387
|
|
|
$currentPosition = $position; |
388
|
|
|
} |
389
|
|
|
|
390
|
|
|
$currentFixTax += $taxType->fixAmountRetriever($this->product); |
391
|
|
|
$currentTaxFactor += $taxType->pricePercentRetriever(); |
392
|
|
|
} while ($taxRule = $this->taxRulesCollection->getPrevious()); |
|
|
|
|
393
|
|
|
|
394
|
|
|
$untaxedPrice -= $currentFixTax; |
395
|
|
|
$untaxedPrice /= (1 + $currentTaxFactor); |
396
|
|
|
|
397
|
|
|
return $untaxedPrice; |
398
|
|
|
} |
399
|
|
|
} |
400
|
|
|
|