refactore currency calculations in ProductSaleElements

core/lib/Thelia/Model/ProductPriceQuery.php

@@ -17,4 +17,18 @@ use Thelia\Model\Base\ProductPriceQuery as BaseProductPriceQuery;
 class ProductPriceQuery extends BaseProductPriceQuery
 {
 
+    public function findByCurrencyAndProductSaleElements($currencyId, $productSaleElementsId)
+    {
+        ArticleQuery::create()->select(array('Id', 'Name'))->find();
+
+        $currencyId = $this->getCurrency();
+        if (null !== $currencyId) {
+            $currency = CurrencyQuery::create()->findOneById($currencyId);
+            if (null === $currency) {
+                throw new \InvalidArgumentException('Cannot found currency id: `' . $currency . '` in product_sale_elements loop');
+            }
+        }
+
+    }
+
 } // ProductPriceQuery

core/lib/Thelia/Model/ProductSaleElements.php

@@ -3,6 +3,7 @@
 namespace Thelia\Model;
 
 use Thelia\Model\Base\ProductSaleElements as BaseProductSaleElements;
+use Thelia\Model\Tools\ProductPriceTools;
 use Thelia\TaxEngine\Calculator;
 
 class ProductSaleElements extends BaseProductSaleElements
@@ -42,4 +43,51 @@ class ProductSaleElements extends BaseProductSaleElements
 
         return round($taxCalculator->load($this->getProduct(), $country)->getTaxedPrice($this->getPromoPrice()), 2);
     }
+
+    /**
+     * Get product prices for a specific currency.
+     *
+     * When the currency is not the default currency, the product prices for this currency is :
+     * - calculated according to the product price of the default currency. It happens when no product price exists for
+     *      the currency or when the `from_default_currency` flag is set to `true`
+     * - set directly in the product price when `from_default_currency` is set to `false`
+     *
+     * @param  Currency          $currency
+     * @return ProductPriceTools
+     * @throws \RuntimeException
+     */
+    public function getPricesByCurrency($currency)
+    {
+        $defaultCurrency = Currency::getDefaultCurrency();
+
+        $productPrice = ProductPriceQuery::create()
+            ->filterByProductSaleElementsId($this->getId())
+            ->filterByCurrencyId($currency->getId())
+            ->findOne();
+
+        $price = 0.0;
+        $promoPrice = 0.0;
+
+        if (null === $productPrice || $productPrice->getFromDefaultCurrency()) {
+            // need to calculate the prices based on the product prices for the default currency
+            $productPrice = ProductPriceQuery::create()
+                ->filterByProductSaleElementsId($this->getId())
+                ->filterByCurrencyId($defaultCurrency->getId())
+                ->findOne();
+            if (null !== $productPrice) {
+                $price = $productPrice->getPrice() * $currency->getRate() / $defaultCurrency->getRate();
+                $promoPrice = $productPrice->getPromoPrice() * $currency->getRate() / $defaultCurrency->getRate();
+            } else {
+                throw new \RuntimeException('Cannot find product prices for currency id: `' . $currency->getId() . '`');
+            }
+        } else {
+            $price = $productPrice->getPrice();
+            $promoPrice = $productPrice->getPromoPrice();
+        }
+
+        $productPriceTools = new ProductPriceTools($price, $promoPrice);
+
+        return $productPriceTools;
+    }
+
 }

core/lib/Thelia/Model/Tools/ProductPriceTools.php

@@ -0,0 +1,76 @@
+<?php
+/*************************************************************************************/
+/*      This file is part of the Thelia package.                                     */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio                                                     */
+/*      email : dev@thelia.net                                                       */
+/*      web : http://www.thelia.net                                                  */
+/*                                                                                   */
+/*      For the full copyright and license information, please view the LICENSE.txt  */
+/*      file that was distributed with this source code.                             */
+/*************************************************************************************/
+
+namespace Thelia\Model\Tools;
+
+/**
+ * Utility class used to store price and promo price for a carte item.
+ *
+ * Class ProductPriceTools
+ * @package Thelia\Model\Tools
+ * @author Julien Chanséaume <jchanseaume@openstudio.fr>
+ */
+class ProductPriceTools
+{
+    /**
+     * The value for the price field.
+     *
+     * @var        double
+     */
+    protected $price;
+
+    /**
+     * The value for the promoPrice field.
+     *
+     * @var        double
+     */
+    protected $promoPrice;
+
+    public function __construct($price, $promoPrice)
+    {
+        $this->price = $price;
+        $this->promoPrice = $promoPrice;
+    }
+
+    /**
+     * @param float $price
+     */
+    public function setPrice($price)
+    {
+        $this->price = $price;
+    }
+
+    /**
+     * @return float
+     */
+    public function getPrice()
+    {
+        return $this->price;
+    }
+
+    /**
+     * @param float $promoPrice
+     */
+    public function setPromoPrice($promoPrice)
+    {
+        $this->promoPrice = $promoPrice;
+    }
+
+    /**
+     * @return float
+     */
+    public function getPromoPrice()
+    {
+        return $this->promoPrice;
+    }
+
+}