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classes/tax/TaxRulesTaxManager.php

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+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * 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.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/OSL-3.0
+ * 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 https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ */
+use PrestaShop\PrestaShop\Adapter\ServiceLocator;
+
+/**
+ * @since 1.5.0.1
+ */
+class TaxRulesTaxManagerCore implements TaxManagerInterface
+{
+    public $address;
+    public $type;
+    public $tax_calculator;
+
+    /**
+     * @var \PrestaShop\PrestaShop\Core\ConfigurationInterface
+     */
+    private $configurationManager;
+
+    /**
+     * @param Address $address
+     * @param mixed $type An additional parameter for the tax manager (ex: tax rules id for TaxRuleTaxManager)
+     */
+    public function __construct(Address $address, $type, PrestaShop\PrestaShop\Core\ConfigurationInterface $configurationManager = null)
+    {
+        if ($configurationManager === null) {
+            $this->configurationManager = ServiceLocator::get('\\PrestaShop\\PrestaShop\\Core\\ConfigurationInterface');
+        } else {
+            $this->configurationManager = $configurationManager;
+        }
+
+        // We clone the address so that the information use by this TaxManager never change (address can be modified somewhere else)
+        $this->address = clone $address;
+        $this->type = $type;
+    }
+
+    /**
+     * Returns true if this tax manager is available for this address.
+     *
+     * @return bool
+     */
+    public static function isAvailableForThisAddress(Address $address)
+    {
+        return true; // default manager, available for all addresses
+    }
+
+    /**
+     * Return the tax calculator associated to this address.
+     *
+     * @return TaxCalculator
+     */
+    public function getTaxCalculator()
+    {
+        static $tax_enabled = null;
+
+        if (isset($this->tax_calculator)) {
+            return $this->tax_calculator;
+        }
+
+        if ($tax_enabled === null) {
+            $tax_enabled = $this->configurationManager->get('PS_TAX');
+        }
+
+        if (!$tax_enabled) {
+            return new TaxCalculator([]);
+        }
+
+        $taxes = [];
+        $postcode = 0;
+
+        if (!empty($this->address->postcode)) {
+            $postcode = $this->address->postcode;
+        }
+
+        $cache_id = (int) $this->address->id_country . '-' . (int) $this->address->id_state . '-' . $postcode . '-' . (int) $this->type;
+
+        if (!Cache::isStored($cache_id)) {
+            $rows = Db::getInstance()->executeS('
+				SELECT tr.*
+				FROM `' . _DB_PREFIX_ . 'tax_rule` tr
+				JOIN `' . _DB_PREFIX_ . 'tax_rules_group` trg ON (tr.`id_tax_rules_group` = trg.`id_tax_rules_group`)
+				WHERE trg.`active` = 1
+				AND tr.`id_country` = ' . (int) $this->address->id_country . '
+				AND tr.`id_tax_rules_group` = ' . (int) $this->type . '
+				AND tr.`id_state` IN (0, ' . (int) $this->address->id_state . ')
+				AND (\'' . pSQL($postcode) . '\' BETWEEN tr.`zipcode_from` AND tr.`zipcode_to`
+					OR (tr.`zipcode_to` = 0 AND tr.`zipcode_from` IN(0, \'' . pSQL($postcode) . '\')))
+				ORDER BY tr.`zipcode_from` DESC, tr.`zipcode_to` DESC, tr.`id_state` DESC, tr.`id_country` DESC');
+
+            $behavior = 0;
+            $first_row = true;
+
+            foreach ($rows as $row) {
+                $tax = new Tax((int) $row['id_tax']);
+
+                $taxes[] = $tax;
+
+                // the applied behavior correspond to the most specific rules
+                if ($first_row) {
+                    $behavior = $row['behavior'];
+                    $first_row = false;
+                }
+
+                if ($row['behavior'] == 0) {
+                    break;
+                }
+            }
+            $result = new TaxCalculator($taxes, $behavior);
+            Cache::store($cache_id, $result);
+
+            return $result;
+        }
+
+        return Cache::retrieve($cache_id);
+    }
+}