[*] Project : US + CA TaxSystem

2011-08-18 10:10:50 +00:00
parent 50e9f03719
commit 8f8ac0670d
33 changed files with 1665 additions and 1168 deletions
@@ -0,0 +1,101 @@
+<?php
+
+/*
+* 2007-2011 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  2007-2011 PrestaShop SA
+*  @version  Release: $Revision$
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+class TaxRulesTaxManagerCore implements TaxManagerInterface
+{
+	public $address;
+	public $type;
+	public $tax_calculator;
+
+
+	public function __construct(Address $address, $type)
+	{
+		$this->address = $address;
+		$this->type = $type;
+	}
+
+	/**
+	* Returns true if this tax manager is available for this address
+	*
+	* @return boolean
+	*/
+	public static function isAvailableForThisAddress(Address $address)
+	{
+		return true; // default manager, available for all addresses
+	}
+
+	/**
+	* Return the tax calculator associated to this address
+	*
+	* @return TaxCalculator
+	*/
+	public function getTaxCalculator()
+	{
+		if (isset($this->tax_calculator))
+			return $this->tax_calculator;
+
+		$postcode = 0;
+		if (!empty($this->address->postcode))
+			$postcode = $this->address->postcode;
+
+		$rows = Db::getInstance()->ExecuteS('
+		SELECT *
+		FROM `'._DB_PREFIX_.'tax_rule`
+		WHERE `id_country` = '.(int)$this->address->id_country.'
+		AND `id_tax_rules_group` = '.(int)$this->type.'
+		AND `id_state` IN (0, '.(int)$this->address->id_state.')
+		AND ('.pSQL($postcode).' BETWEEN `zipcode_from` AND `zipcode_to` OR `zipcode_from` = 0 OR `zipcode_from` = '.pSQL($postcode).')
+		ORDER BY `zipcode_from` DESC, `zipcode_to` DESC, `id_state` DESC, `id_country` DESC');
+
+		$behavior = 0;
+		$first_row = true;
+		$taxes_rates = array();
+
+		foreach ($rows as $row)
+		{
+			$tax = new Tax((int)$row['id_tax']);
+
+			$taxes_rates[] = $tax->rate;
+
+			// the applied behavior correspond to the most specific rules
+			if ($first_row)
+			{
+				$behavior = $row['behavior'];
+				$first_row = false;
+			}
+
+			if ($row['behavior'] == 0)
+				 break;
+		}
+
+		$this->tax_calculator = new TaxCalculator($taxes_rates, $behavior);
+
+		return $this->tax_calculator;
+	}
+}
+