[*] Project : US + CA TaxSystem

admin-dev/ajax.php

@@ -504,30 +504,6 @@ if (Tools::isSubmit('toggleScreencast'))
 	$context->employee->save();
 }
 
-if (Tools::isSubmit('ajaxAddZipCode') OR Tools::isSubmit('ajaxRemoveZipCode'))
-{
-	require_once(PS_ADMIN_DIR.'/tabs/AdminCounty.php');
-
-	$zipcodes = Tools::getValue('zipcodes');
-	$id_county = (int)Tools::getValue('id_county');
-
-	$county = new County($id_county);
-	if (!Validate::isLoadedObject($county))
-		die('error');
-
-	if (Tools::isSubmit('ajaxAddZipCode'))
-	{
-		if ($county->isZipCodeRangePresent($zipcodes))
-			die('error:'.Tools::displayError('This Zip Code is already in use.'));
-		if ($county->addZipCodes($zipcodes))
-			die(AdminCounty::renderZipCodeList($county->getZipCodes()));
-	}
-	else if (Tools::isSubmit('ajaxRemoveZipCode') AND $county->removeZipCodes($zipcodes))
-			die(AdminCounty::renderZipCodeList($county->getZipCodes()));
-
-	die('error');
-}
-
 if (Tools::isSubmit('helpAccess'))
 {
 	$item = Tools::getValue('item');

admin-dev/tabs/AdminAttributeGenerator.php

@@ -228,7 +228,7 @@ class AdminAttributeGenerator extends AdminTab
 			i18n_tax_exc = "'.$this->l('Tax Excl.:').'";
 			i18n_tax_inc = "'.$this->l('Tax Incl.:').'";
 
-			var product_tax = "'.Tax::getProductTaxRate($this->product->id, NULL).'";
+			var product_tax = "'.$this->product->getTaxesRate().'";
 
 			function calcPrice(element, element_has_tax)
 			{

admin-dev/tabs/AdminProducts.php

@@ -1662,7 +1662,7 @@ class AdminProducts extends AdminTab
 		$specificPrices = SpecificPrice::getByProductId((int)($obj->id));
 		$specificPricePriorities = SpecificPrice::getPriority((int)($obj->id));
 
-		$taxRate = TaxRulesGroup::getTaxesRate($obj->id_tax_rules_group, $this->context->country->id, 0, 0);
+		$taxRate = $obj->getTaxesRate(Tax::initializeAddress());
 
 		$tmp = array();
 		foreach ($shops as $shop)

admin-dev/tabs/AdminTaxRulesGroup.php

@@ -25,543 +25,462 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
-
+class
-class AdminTaxRulesGroup extends AdminTab
+ AdminTaxRulesGroup extends AdminTab
 {
+    public $tax_rule;
+    public $_errors_tax_rule;
+
 	public function __construct()
 	{
+		global $cookie;
 	 	$this->table = 'tax_rules_group';
 	 	$this->className = 'TaxRulesGroup';
 	 	$this->edit = true;
 	 	$this->delete = true;
+	 	$this->ajax = false;
 
 		$this->fieldsDisplay = array(
 		'id_tax_rules_group' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
 		'name' => array('title' => $this->l('Name'), 'width' => 140),
 		'active' => array('title' => $this->l('Enabled'), 'width' => 25, 'align' => 'center', 'active' => 'status', 'type' => 'bool', 'orderby' => false));
 
-        parent::__construct();
+       parent::__construct();
 	}
 
 
-	public function displayTop()
+	/**
+	* retrieve a tax rule via ajax
+	* @return tax rule in json format
+	*/
+	public function ajaxProcessGetTaxRule()
 	{
-		echo '<div class="hint clear" style="display:block;">
+			$id_rule	= (int)Tools::getValue('id_tax_rule');
-					'.$this->l('The tax rules allow you to define a product or a carrier with different taxes depending on their location (country, state, etc.).').'
 
-					<b>'.$this->l('In the majority of cases, the rules created by default by PrestaShop should be enough.').'</b> '.
+			if ($tax_rule = TaxRule::retrieveById($id_rule))
-					$this->l('If, however, you need to change them, here is an example that will help you understand how it works:').
+				die(Tools::jsonEncode($tax_rule));
-					'<br /><br />'
+			else
-					.$this->l('You want to apply a tax of 19.6% to a product in France and Europe, but not apply this tax to other countries. Follow these steps:').'
+				die('error');
-					<ul>
-					<li>'.$this->l('Click "Add New".').'</li>
-					<li>'.$this->l('Give a name to your tax rule (ex: "19.6% tax rule).').'</li>
-					<li>'.$this->l('Set the \'active\' field to true.').'</li>
-					<li>'.$this->l('Edit its configuration by country by associating a 19.6% tax with France and with European countries, and a tax of 0% to other countries.').'</li>
-					<li>'.$this->l('Click on Save.').'</li>
-					<li>'.$this->l('Go to your product page (Catalog tab) and associate the "19.6% tax rule" to your product.').'</li>
-					</ul>
-					<br />
- 				  '.$this->l('Later, if you need to apply a different tax to Spain, you can simply edit the rule "19.6% tax rule" and change the tax associated with Spain.').'<br />
- 				  '.$this->l('Note: The default rate applied to your product will be based on your store\'s default country.').'
-				</div><br />';
 	}
 
-    public function displayForm($isMainTab = true)
+
+	public function ajaxPreProcess() {}
+
+	public function postProcess()
+	{
+      $action = Tools::getValue('action');
+		if ($action == 'delete_rule')
+		{
+			$id_rule	= (int)Tools::getValue('id_tax_rule');
+			$tax_rule = new TaxRule($id_rule);
+
+			if (Validate::isLoadedObject($tax_rule))
+			{
+				$tax_rule->delete();
+				Tools::redirectAdmin(self::$currentIndex.'&'.$this->identifier.'='.$tax_rule->id_tax_rules_group.'&conf=4&update'.$this->table.'&token='.$this->token);
+			}
+		}
+		else if ($action == 'create_rule')
+		{
+			$zipcode = Tools::getValue('zipcode');
+			$id_rule	= (int)Tools::getValue('id_tax_rule');
+
+			$tr = new TaxRule();
+
+			// update or creation?
+			if (isset($id_rule))
+				$tr->id = $id_rule;
+
+			$tr->id_tax = (int)Tools::getValue('tax');
+			$tr->id_tax_rules_group = (int)Tools::getValue('id_tax_rules_group');
+			$tr->id_country = (int)Tools::getValue('country');
+			$tr->id_state = (int)Tools::getValue('states');
+			list($tr->zipcode_from, $tr->zipcode_to) = $tr->breakDownZipCode($zipcode);
+			$tr->behavior = (int)Tools::getValue('behavior');
+			$tr->description = Tools::getValue('description');
+
+			$this->_errors_tax_rule = $this->validateTaxRule($tr);
+
+			if (sizeof($this->_errors_tax_rule) == 0)
+			{
+				if (!$tr->save())
+					die('error');
+			}
+
+			$this->tax_rule = $tr;
+			Tools::redirectAdmin(self::$currentIndex.'&'.$this->identifier.'='.$tr->id_tax_rules_group.'&conf=4&update'.$this->table.'&token='.$this->token);
+		} else
+         parent::postProcess();
+	}
+
+	/**
+	* check if the tax rule could be added in the database
+	* @param TaxRule $tr
+	*/
+    protected function validateTaxRule(TaxRule $tr)
     {
-        		parent::displayForm();
+       // TODO: check if the rule already exists
+       return $tr->validateController();
+    }
+
+	protected function displayJS()
+	{
+		global $cookie;
+
+		$javascript = <<<EOT
+		<script type="text/javascript">
+		function populateStates(id_country, id_state)
+		{
+				$.ajax({
+				  url: "ajax.php",
+				  cache: false,
+				  data: "ajaxStates=1&id_country="+id_country+"&id_state="+id_state,
+				  success: function(html){
+						if (html == "false")
+						{
+							$("#state-label").hide();
+							$("#state-select").hide();
+						}
+						else
+						{
+							$("#state-label").show();
+							$("#state-select").show();
+							$("#states").html(html);
+						}
+				  }
+				});
+		}
+
+		function loadTaxRule(id_tax_rule)
+		{
+			$.ajax({
+				url: "ajax-tab.php",
+				cache: false,
+				dataType: "json",
+				data: "action=get_tax_rule&id_tax_rule="+id_tax_rule+"&tab=AdminTaxRulesGroup&token=$this->token",
+				success: function(data){
+					$('#rule_form').show();
+					$('#id_tax_rule').val(data.id_tax_rule);
+					$('#country').val(data.id_country);
+					$('#state').val(data.id_state);
+
+                    zipcode = 0;
+                    if (data.zipcode_from != 0)
+                    {
+                        zipcode = data.zipcode_from;
+
+                        if (data.zipcode_to != 0)
+                            zipcode = zipcode +"-"+data.zipcode_to
+                    }
+
+					$('#zipcode').val(zipcode);
+					$('#behavior').val(data.behavior);
+					$('#tax').val(data.id_tax);
+					$('#description').val(data.description);
+
+					populateStates(data.id_country, data.id_state);
+				},
+			  	error: function(data)
+			   {
+
+			   }
+			});
+		}
+
+		function initForm()
+		{
+			$('#id_tax_rule').val('');
+			$('#country').val(0);
+			$('#state').val(0);
+			$('#zipcode').val(0);
+			$('#behavior').val(0);
+			$('#tax').val(0);
+			$('#description').val('');
+
+			populateStates(0,0);
+		}
+		</script>
+EOT;
+
+		echo $javascript;
+	}
+
+
+	public function displayTaxRulesErrors()
+	{
+		if ($nbErrors = count($this->_errors_tax_rule) AND $this->_includeContainer)
+		{
+
+			echo '<script type="text/javascript">
+				$(document).ready(function() {
+					$(\'#hideErrorTaxRules\').unbind(\'click\').click(function(){
+						$(\'.error\').hide(\'slow\', function (){
+							$(\'.error\').remove();
+						});
+						return false;
+					});
+				});
+
+                $(document).ready(function() {
+    				$(\'#rule_form\').show();
+                    populateStates("'.(int)$this->tax_rule->id_country.'", "'.(int)$this->tax_rule->id_state.'")
+                });
+			  </script>
+			<div class="error"><span style="float:right"><a id="hideErrorTaxRules" href=""><img alt="X" src="../img/admin/close.png" /></a></span><img src="../img/admin/error2.png" />';
+			if (count($this->_errors_tax_rule) == 1)
+				echo $this->_errors_tax_rule[0];
+			else
+			{
+				echo $nbErrors.' '.$this->l('errors').'<br /><ol>';
+				foreach ($this->_errors_tax_rule AS $error)
+					echo '<li>'.$error.'</li>';
+				echo '</ol>';
+			}
+			echo '</div>';
+		}
+	}
+
+
+    public function display()
+    {
+		if ((Tools::getValue('submitAdd'.$this->table) AND sizeof($this->_errors_tax_rule)) OR isset($_GET['add'.$this->table]))
+		{
+			if ($this->tabAccess['add'] === '1')
+				$this->displayForm();
+			else
+				echo $this->l('You do not have permission to add here');
+		}
+        else parent::display();
+    }
+
+	/**
+	* displays the tax rules group form
+	*/
+    protected function displayRuleGroupForm()
+    {
+		global $cookie, $currentIndex;
+		parent::displayForm();
 		if (!($obj = $this->loadObject(true)))
 			return;
-		$tax_rules = isset($obj->id) ? $tax_rules = TaxRule::getTaxRulesByGroupId($obj->id) : array();
 
-        $param_product = Tools::getValue('id_product') ? '&id_product='.Tools::getValue('id_product') : '';
+        // if the user come from the product page
+		$param_product = Tools::getValue('id_product') ? '&id_product='.Tools::getValue('id_product') : '';
 
-        echo '<form action="'.self::$currentIndex.'&submitAdd'.$this->table.'=1&token='.$this->token.$param_product.'" method="post">
+        echo '<form action="'.$currentIndex.'&submitAdd'.$this->table.'=1&token='.$this->token.$param_product.'" method="post">
-		        '.($obj->id ? '<input type="hidden" name="id_'.$this->table.'" value="'.$obj->id.'" />' : '').'
+				'.($obj->id ? '<input type="hidden" name="id_'.$this->table.'" value="'.$obj->id.'" />' : '').'
-    			<fieldset><legend><img src="../img/admin/dollar.gif" />'.$this->l('Tax Rules').'</legend>
+				<fieldset><legend><img src="../img/admin/dollar.gif" />'.$this->l('Tax Rules').'</legend>
-    			<input type="hidden" name="tabs" id="tabs" value="0" />
+				<input type="hidden" name="tabs" id="tabs" value="0" />
-    			';
+				';
 
-        echo '<label>'.$this->l('Name').'</label>
+		echo '<label>'.$this->l('Name').'</label>
-    			<div class="margin-form">
+				<div class="margin-form">
 					<input size="33" type="text" name="name" value="'.Tools::htmlentitiesUTF8($this->getFieldValue($obj, 'name')).'" /><sup> *</sup>
 					<span class="hint" name="help_box">'.$this->l('Invalid characters:').' <>;=#{}<span class="hint-pointer">&nbsp;</span></span>
-            <p class="clear"></p>
+			<p class="clear"></p>
-            </div>';
+			</div>';
 
-        echo '
+		echo '
-            <label>'.$this->l('Enable:').' </label>
+			<label>'.$this->l('Enable:').' </label>
 			<div class="margin-form">
 				<input type="radio" name="active" id="active_on" value="1" '.($this->getFieldValue($obj, 'active') ? 'checked="checked" ' : '').'/>
 				<label class="t" for="active_on"> <img src="../img/admin/enabled.gif" alt="'.$this->l('Enabled').'" title="'.$this->l('Enabled').'" /></label>
 				<input type="radio" name="active" id="active_off" value="0" '.(!$this->getFieldValue($obj, 'active') ? 'checked="checked" ' : '').'/>
 				<label class="t" for="active_off"> <img src="../img/admin/disabled.gif" alt="'.$this->l('Disabled').'" title="'.$this->l('Disabled').'" /></label>
-            </div>';
+			</div>
-		if (Shop::isMultiShopActivated())
+			<div class="margin-form">
-		{
-			echo '<label>'.$this->l('Shop association:').'</label><div class="margin-form">';
-			$this->displayAssoShop('group_shop');
-			echo '</div>';
-		}
-		echo '
-    		<div class="margin-form">
-				<input type="submit" value="'.$this->l('   Save   ').'" name="submitAdd'.$this->table.'" class="button" />&nbsp;
 				<input type="submit" value="'.$this->l('Save and stay').'" name="submitAdd'.$this->table.'AndStay" class="button" />
-			</div>';
+			</div>
-        echo '<br />';
+			</form>';
+    }
 
-        echo '<div class="tab-panet-tax" id="tab-pane-1">
+	/**
-            <script type="text/javascript">
+	* Display the tax rule form
-			var pos_select = '.(($tab = Tools::getValue('tabs')) ? $tab : '0').';
+	*
-            function loadTab(id)
+ 	* @param int $id_rule_group
-            {}
+	*/
+	protected function displayRuleForm($id_rule_group)
+	{
+		global $cookie, $currentIndex;
 
-            function applyTax(id_zone)
+      if (Validate::isLoadedObject($this->tax_rule))
-            {
+            die(Tools::displayError('Unable to load the tax rule!'));
-                   cur_tax = $("#zone_"+id_zone).val();
-                    $(".tax_"+id_zone).val(cur_tax);
-                    return false;
-            }
 
-            function disableStateTaxRate(id_country, id_state)
+		$country_select = Helper::selectInput(Country::getCountries((int)$cookie->id_lang),
-            {
+ 				 			  					 array('id' => 'country', 'name' => 'country', 'onclick' => 'populateStates($(this).val(), \'\')'),
-                if ($("#behavior_state_"+id_state).val() == '.PS_PRODUCT_TAX.')
+												 array('key' => 'id_country', 'value' => 'name'));
-                    $("#tax_"+id_country+"_"+id_state).attr("disabled", true);
-                else
-                    $("#tax_"+id_country+"_"+id_state).attr("disabled", false);
-            }
 
-            function disableCountyTaxRate(id_country, id_state, id_county)
-            {
 
-                if ($("#behavior_county_"+id_county).val() == '.County::USE_STATE_TAX.')
+		$tax_select = Helper::selectInput(Tax::getTaxes((int)$cookie->id_lang),
-                    $("#tax_"+id_country+"_"+id_state+"_"+id_county).attr("disabled", true);
+ 				 			   				  array('id' => 'tax', 'name' => 'tax'),
-                else
+				 								  array('key' => 'id_tax',
-                {
+				 								  		  'value' => 'name',
+				 								  		  'empty' => $this->l('No Tax')));
 
-                    $("#tax_"+id_country+"_"+id_state+"_"+id_county).attr("disabled", false);
+		$behavior_select = Helper::selectInput(array(0 => $this->l('This tax only'),
-                }
+																	1 => $this->l('Combine'),
-            }
+																	2 => $this->l('One After Another')
+																	),
+				 				 			   				  array('id' => 'behavior', 'name' => 'behavior'));
 
-			$(\'document\').ready(function (){
+		echo '<a href="#" onclick="initForm();$(\'#rule_form\').slideToggle();return false;"><img src="../img/admin/add.gif" alt="" /> '.$this->l('Add a new tax rule').'</a>
-				$(\'.states\').hide();
+				<form action="'.$currentIndex.'&submitAdd'.$this->table.'=1&token='.$this->token.'" method="post">
-				$(\'.counties\').hide();
+				<div id="rule_form" style="display: none">
+					<label>'.$this->l('Country').'</label>
+					<div class="margin-form">
+						'.$country_select.'
+					</div>
 
-				$(\'.open_state\').click(function (){
+					<label id="state-label">'.$this->l('State').'</label>
-					if ($(\'.\'+$(this).attr(\'id\')).is(\':hidden\'))
+					<div id="state-select" class="margin-form">
-					{
+						<select id="states" name="states">
-						$(\'.\'+$(this).attr(\'id\')).show();
+						</select>
-						$(\'#\'+$(this).attr(\'id\')+\'_button\').attr("src","../img/admin/less.png");
+					</div>
-					}
-					else
-					{
-						$(\'.\'+$(this).attr(\'id\')).hide();
-						$(\'.county_\'+$(this).attr(\'id\')).hide();
-						$(\'.county_\'+$(this).attr(\'id\')+\'_button\').attr("src","../img/admin/more.png");
-						$(\'#\'+$(this).attr(\'id\')+\'_button\').attr("src","../img/admin/more.png");
-					}
-				});
 
-				$(\'.open_county\').click(function (){
+					<label>'.$this->l('ZipCode range').'</label>
-					if ($(\'.\'+$(this).attr(\'id\')).is(\':hidden\'))
+					<div class="margin-form">
-					{
+                  <input type="hidden" name="action" value="create_rule" />
-						$(\'.\'+$(this).attr(\'id\')).show();
+                  <input type="hidden" id="id_tax_rules_group" name="id_tax_rules_group" value="'.(int)$id_rule_group.'" />
-						$(\'#\'+$(this).attr(\'id\')+\'_button\').attr("src","../img/admin/less.png");
+						<input type="hidden" id="id_tax_rule" name="id_tax_rule" />
-					}
+						<input type="text" id="zipcode" name="zipcode" />&nbsp;
-					else
+						<div class="hint" style="display: block">'.$this->l('You can define a range (eg: 75000-75015) or a simple zipcode').'</div>
-					{
+					</div>
-						$(\'.\'+$(this).attr(\'id\')).hide();
+
-						$(\'#\'+$(this).attr(\'id\')+\'_button\').attr("src","../img/admin/more.png");
+					<label>'.$this->l('Behavior').'</label>
-					}
+					<div class="margin-form">
-				});
+						'.$behavior_select.'
-			});
+						<div class="hint" style="display: block">
-			</script>
+							'.$this->l('Define the behavior if an address matches multiple rules:').'<br />
-			<script src="../js/tabpane.js" type="text/javascript"></script>
+							<b>'.$this->l('This Tax Only:').'</b> '.$this->l('Will apply only this tax').'<br />
-			<script type="text/javascript">
+							<b>'.$this->l('Combine:').'</b> '.$this->l('Combine taxes (eg: 10% + 5% => 15%)').'<br />
-				var tabPane1 = new WebFXTabPane( document.getElementById( "tab-pane-1" ) );
+							<b>'.$this->l('One After Another:').'</b> '.$this->l('Apply taxes one after another (eg: 100€ + 10% => 110€ + 5% => 115.5€)').
-			</script>
+						'</div>
-			<link type="text/css" rel="stylesheet" href="../css/tabpane.css" />'.$this->renderZones($tax_rules, $this->context->language->id);
+					</div>
-        echo '
+
-				<div class="margin-form" style="margin-top: 10px">
+					<label>'.$this->l('Tax').'</label>
-					<input type="submit" value="'.$this->l('   Save   ').'" name="submitAdd'.$this->table.'" class="button" />&nbsp;&nbsp;
+					<div class="margin-form">
-					<input type="submit" value="'.$this->l('Save and stay').'" name="submitAdd'.$this->table.'AndStay" class="button" />
+						'.$tax_select.' '.$this->l('(Total tax:').'9%'.')
+					</div>
+
+					<label>'.$this->l('Description').'</label>
+					<div class="margin-form">
+						<input type="text" id="description" name="description" />&nbsp;
+					</div>
+
+					<div class="margin-form">
+					<input type="submit" value="'.$this->l('   Save   ').'" name="create_rule" class="button" />
+					</div>
 				</div>
-            </fieldset>
+				</form>
-		</form>';
+				<br /><br />
-    }
+				';
+	}
+
+	/**
+	* display the list of rules
+	*
+	* @param int $id_rule_group
+	*/
+	protected function displayRulesList($id_rule_group)
+	{
+		echo '<table class="table" cellspacing="0" cellpadding="0" style="text-align: center; width: 100%;">
+					<thead>
+						<tr>
+							<th>'.$this->l('Country').'</th>
+							<th>'.$this->l('State').'</th>
+							<th>'.$this->l('ZipCodes').'</th>
+							<th>'.$this->l('Behavior').'</th>
+							<th>'.$this->l('Tax').'</th>
+							<th>'.$this->l('Description').'</th>
+							<th>'.$this->l('Actions').'</th>
+						</tr>
+					</thead>
+					<tbody>
+						'.$this->displayTaxRules((int)$id_rule_group).'
+					</tbody>
+				</table>';
+	}
 
 
-    public function renderZones($tax_rules, $id_lang)
+	/**
-    {
+	* display the tax rules list table body
-        $html = '';
+	*
-        $zones = Zone::getZones(true);
+	* @param int $id_rule_group
-        foreach ($zones AS $key => $zone)
+	*/
-        {
+	protected function displayTaxRules($id_rule_group)
-            $html .= '<div class="tab-page" id="tab-page-'.$key.'">
+	{
-                            <h4 class="tab">'.$zone['name'].'</h4>
+		global $currentIndex, $cookie;
-                            <script type="text/javascript">
-                                tabPane1.addTabPage( document.getElementById( "tab-page-'.$key.'" ) );
-                            </script>
-                        '.$this->renderCountries($tax_rules, $zone['id_zone'], $id_lang).'
-                      </div>';
-        }
 
-        return $html;
+		$html = '';
-    }
+		$tax_rules = TaxRule::getTaxRulesByGroupId((int)$cookie->id_lang, (int)$id_rule_group);
+		if (sizeof($tax_rules) == 0)
+		{
+			$html .= '<tr>
+					  	<td colspan="7">'.$this->l('No rules defined').'</td>
+					  </tr>';
+		} else {
+			foreach ($tax_rules as $tax_rule)
+			{
+				//  format fields for display
+				$state_name = ($tax_rule['state_name'] == '' ? '*' : $tax_rule['state_name']);
 
-    public function renderCountries($tax_rules, $id_zone, $id_lang)
+				$zipcodes = '*';
-    {
+				if (isset($tax_rule['zipcode_from']) && $tax_rule['zipcode_from'] != 0)
+				{
+					$zipcodes = $tax_rule['zipcode_from'];
+					if (isset($tax_rule['zipcode_to']) && $tax_rule['zipcode_to'] != 0 && $tax_rule['zipcode_to'] != $tax_rule['zipcode_from'])
+					{
+						$zipcodes .= '-'.$tax_rule['zipcode_to'];
+					}
+				}
 
-        $html = '
+				$tax = ((float)$tax_rule['rate'] == 0 ? '-' : (float)$tax_rule['rate'].'%');
-        <table>
-			<tr>
-				<td width="260px" style="font-weight:bold">'.$this->l('All').'</td>
-				<td>'.$this->renderTaxesSelect($id_lang, '', array('id' => 'zone_'.(int)$id_zone)).' <input type="submit" onclick="return applyTax(\''.(int)$id_zone.'\')" class="button" value="'.$this->l('Apply').'"/></td>
-			</tr>
-		</table><hr />';
 
-		$html .= '
+				$behavior = ($tax_rule['behavior'] == 0 ? $this->l('This tax only') : $this->l('Compute with others'));
-		<table class="table" cellpadding="0" cellspacing="0" style="width: 100%;">
-			<thead>
-				<tr>
-					<th style="width: 3%;"></th>
-					<th style="width: 40%;">'.$this->l('Country / State / County').'</th>
-					<th style="width: 57%;">'.$this->l('Tax to apply').'</th>
-				</tr>
-			</thead>
-			<tbody>
-		';
-		$countries = Country::getCountriesByZoneId((int)$id_zone, (int)$id_lang);
-		$countCountries = sizeof($countries);
-		$i = 1;
 
-        foreach ($countries AS $country)
+				// render fields
-        {
+				$html .= '<tr>
-            $id_tax =  0;
+							<td>'.Tools::htmlentitiesUTF8($tax_rule['country_name']).'</td>
+							<td>'.Tools::htmlentitiesUTF8($state_name).'</td>
+							<td>'.Tools::htmlentitiesUTF8($zipcodes).'</td>
+							<td>'.Tools::htmlentitiesUTF8($behavior).'</td>
+							<td>'.Tools::htmlentitiesUTF8($tax).'</td>
+							<td>'.Tools::htmlentitiesUTF8($tax_rule['description']).'</td>
+							<td>
+								<a href="#" onclick="loadTaxRule(\''.$tax_rule['id_tax_rule'].'\'); return false;">
+									<img src="../img/admin/edit.gif" border="0" alt="'.$this->l('Edit').'" title="'.$this->l('Edit').'" />
+								</a>
+								<a href="'.$currentIndex.'&id_tax_rule='.$tax_rule['id_tax_rule'].'&action=delete_rule&token='.$this->token.'" onclick="return confirm(\''.addslashes($this->l('Delete item ?')).'\');">
+									<img src="../img/admin/delete.gif" border="0" alt="'.$this->l('Delete').'" title="'.$this->l('Delete').'" />
+								</a>
 
-            if (array_key_exists($country['id_country'], $tax_rules) AND array_key_exists(0, $tax_rules[$country['id_country']]))
+							</td>
-                $id_tax = (int)$tax_rules[$country['id_country']][0][0]['id_tax'];
+						</tr>';
-
-			$html .= '
-				<tr>
-					<td>'.($country['contains_states'] ? '<a class="open_state" id="state_'.(int)$country['id_country'].'"><img id="state_'.(int)$country['id_country'].'_button" src="../img/admin/more.png" alt="" style="vertical-align:middle;padding:0;" /></a>' : '').'</td>
-					<td>
-						<img src="../img/admin/lv2_'.($i == $countCountries ? 'f' : 'b').'.png" alt="" style="vertical-align:middle;" /> <label class="t">'.Tools::htmlentitiesUTF8($country['name']).'</label>
-					</td>
-					<td>'.$this->renderTaxesSelect($id_lang, $id_tax, array('class' => 'tax_'.$id_zone, 'id' => 'tax_'.$country['id_country'].'_0', 'name' => 'tax_'.$country['id_country'].'_0' )).'</td>
-				</tr>
-			';
-			if ($country['contains_states']) {
-				$html .= $this->renderStates($tax_rules, (int)$id_zone, (int)$country['id_country'], (int)$id_lang);
 			}
-
+		}
-			$i++;
-        }
-        $html .= '
-			</tbody>
-		</table>
-		';
 
 		return $html;
-    }
+	}
 
-    public function renderStates($tax_rules, $id_zone, $id_country, $id_lang)
+	/**
-    {
+	* @param boolean $firstCall
-		$states = State::getStatesByIdCountry((int)$id_country);
+	*/
-		$countStates = sizeof($states);
+	public function displayForm($firstCall = true)
-		$i = 1;
+	{
-		$html = '';
+		if (!($obj = $this->loadObject(true)))
-		foreach ($states AS $state)
+			return;
+
+		parent::displayForm();
+		$this->displayRuleGroupForm();
+		$this->displayJS();
+
+		// display tax rules only if the group has already been created
+		if ($obj->id)
 		{
-			$id_tax = 0;
+			echo '<hr />';
-			$selected = PS_PRODUCT_TAX;
+			$this->displayTaxRulesErrors();
-
+			$this->displayRuleForm($obj->id);
-			if (array_key_exists($id_country, $tax_rules)
+			$this->displayRulesList($obj->id);
-				AND array_key_exists($state['id_state'], $tax_rules[$id_country])
-				AND array_key_exists(0, $tax_rules[$id_country][$state['id_state']]))
-			{
-				$id_tax = (int)$tax_rules[$id_country][$state['id_state']][0]['id_tax'];
-				$selected = (int)$tax_rules[$id_country][$state['id_state']][0]['state_behavior'];
-			}
-
-			$disable = (PS_PRODUCT_TAX == $selected ? 'disabled' : '');
-			$html .= '
-			<tr class="states state_'.(int)$id_country.' alt_row">
-				<td>'.(State::hasCounties($state['id_state']) ? '<a class="open_county" id="county_'.(int)$state['id_state'].'"><img id="county_'.(int)$state['id_state'].'_button" class="county_state_'.(int)$id_country.'_button" src="../img/admin/more.png" alt="" /></a>' : '').'</td>
-				<td><img src="../img/admin/lv3_'.($i == $countStates ? 'f' : 'b').'.png" alt="" style="vertical-align:middle;" /> <label class="t">'.Tools::htmlentitiesUTF8($state['name']).'</label></td>
-				<td>
-					'.$this->renderTaxesSelect($id_lang, $id_tax, array('class' => 'tax_'.$id_zone,
- 																	'id' => 'tax_'.$id_country.'_'.$state['id_state'],
- 																	'name' => 'tax_'.$id_country.'_'.$state['id_state'],
- 																	'disabled' => $disable )).'&nbsp;-&nbsp;
- 					<select id="behavior_state_'.$state['id_state'].'" name="behavior_state_'.$state['id_state'].'" onchange="disableStateTaxRate(\''.$id_country.'\',\''.$state['id_state'].'\')">
-						<option value="'.(int)PS_PRODUCT_TAX.'" '.($selected  == PS_PRODUCT_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply country tax only').'</option>
-						<option value="'.(int)PS_STATE_TAX.'" '.($selected == PS_STATE_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply state tax only').'</option>
-						<option value="'.(int)PS_BOTH_TAX.'" '.($selected == PS_BOTH_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply both taxes').'</option>
-					</select>
-				</td>
-			</tr>
-			';
-
-			if (State::hasCounties($state['id_state']))
-				$html .= $this->renderCounties($tax_rules, $id_zone, $id_country, $state['id_state'], $id_lang);
-
-			$i++;
 		}
-
+	}
-        return $html;
-    }
-
-    public function renderCounties($tax_rules, $id_zone, $id_country, $id_state, $id_lang)
-    {
-		$counties = County::getCounties((int)$id_state);
-		$countCounties = sizeof($counties);
-		$i = 1;
-		$html = '';
-		foreach ($counties AS $county)
-		{
-			$id_tax = 0;
-			$selected = County::USE_STATE_TAX;
-			if (array_key_exists($id_country, $tax_rules)
-				AND array_key_exists($id_state, $tax_rules[$id_country])
-				AND array_key_exists($county['id_county'], $tax_rules[$id_country][$id_state]))
-			{
-				$id_tax = (int)$tax_rules[$id_country][$id_state][$county['id_county']]['id_tax'];
-				$selected = (int)$tax_rules[$id_country][$id_state][$county['id_county']]['county_behavior'];
-			}
-
-			$disable = (County::USE_STATE_TAX == $selected ? 'disabled' : '');
-			$html .= '
-			<tr class="counties county_state_'.(int)$id_country.' county_'.(int)$id_state.'">
-				<td></td>
-				<td><img src="../img/admin/lv4_'.($i == $countCounties ? 'f' : 'b').'.png" alt="" style="vertical-align:middle;" /> <label class="t">'.Tools::htmlentitiesUTF8($county['name']).'</label></td>
-				<td>
-					'.$this->renderTaxesSelect($id_lang, $id_tax, array('class' => 'tax_'.$id_zone,
-																		'id' => 'tax_'.$id_country.'_'.$id_state.'_'.$county['id_county'],
-																		'name' => 'tax_'.$id_country.'_'.$id_state.'_'.$county['id_county'],
-																		'disabled' => $disable )).'&nbsp;-&nbsp;
- 					<select id="behavior_county_'.$county['id_county'].'" name="behavior_county_'.$county['id_county'].'" onchange="disableCountyTaxRate(\''.$id_country.'\',\''.$id_state.'\',\''.$county['id_county'].'\')">
-						<option value="'.(int)County::USE_STATE_TAX.'" '.($selected  == County::USE_STATE_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply state tax only').'</option>
-						<option value="'.(int)County::USE_COUNTY_TAX.'" '.($selected == County::USE_COUNTY_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply county tax only').'</option>
-						<option value="'.(int)County::USE_BOTH_TAX.'" '.($selected == County::USE_BOTH_TAX ? 'selected="selected"' : '').'>'.$this->l('Apply both taxes').'</option>
-					</select>
-				</td>
-			</tr>
-			';
-		}
-
-    	return $html;
-  	 }
-
-    public function renderTaxesSelect($id_lang, $default_value, $html_options)
-    {
-        $opt = '';
-        foreach( array('id', 'class', 'name', 'disabled') AS $prop)
-            if (array_key_exists($prop, $html_options) && !empty($html_options[$prop]))
-                $opt .= $prop.'="'.$html_options[$prop].'"';
-
-        $html = '<select '.$opt.'>
-                    <option value="0">'.$this->l('No Tax').'</option>';
-
-        $taxes = Tax::getTaxes((int)$id_lang, true);
-        foreach ($taxes AS $tax)
-        {
-            $selected = ($default_value == $tax['id_tax']) ? 'selected="selected"' : '';
-            $html .= '<option value="'.(int)$tax['id_tax'].'" '.$selected.'>'.Tools::htmlentitiesUTF8($tax['name']).'</option>';
-        }
-        $html .= '</select>';
-
-        return $html;
-    }
-
-    protected function afterAdd($object)
-    {
-        $this->afterUpdate($object);
-    }
-
-
-    protected function afterUpdate($object)
-    {
-        
-        TaxRule::deleteByGroupId($object->id);
-
-        foreach(Country::getCountries($this->context->language->id, true) AS $country)
-        {
-            $id_tax = (int)Tools::getValue('tax_'.$country['id_country'].'_0');
-
-            // default country rule
-            if (!empty($id_tax))
-            {
-                $tr = new TaxRule();
-                $tr->id_tax_rules_group = $object->id;
-                $tr->id_country = (int)$country['id_country'];
-                $tr->id_state = 0;
-                $tr->id_county = 0;
-                $tr->id_tax = $id_tax;
-                $tr->state_behavior = 0;
-                $tr->county_behavior = 0;
-                $tr->save();
-            }
-
-            // state specific rule
-            if (!empty($country['contains_states']))
-            {
-                foreach ($country['states'] AS $state)
-                {
-                    $state_behavior = (int)Tools::getValue('behavior_state_'.$state['id_state']);
-                    if ($state_behavior != PS_PRODUCT_TAX)
-                    {
-                        $tr = new TaxRule();
-                        $tr->id_tax_rules_group = $object->id;
-                        $tr->id_country = (int)$country['id_country'];
-                        $tr->id_state = (int)$state['id_state'];
-			               $tr->id_county = 0;
-                        $tr->id_tax = (int)Tools::getValue('tax_'.$country['id_country'].'_'.$state['id_state']);
-                        $tr->state_behavior = $state_behavior;
-			               $tr->county_behavior = 0;
-                        $tr->save();
-                    }
-
-                    // county specific rule
-                    if (State::hasCounties($state['id_state']))
-                    {
-                    		$counties = County::getCounties($state['id_state']);
-                    		foreach ($counties AS $county)
-                    		{
-   	                    	  $county_behavior = (int)Tools::getValue('behavior_county_'.$county['id_county']);
-
-				              if ($county_behavior != County::USE_STATE_TAX)
-				              {
-				                  $tr = new TaxRule();
-				                  $tr->id_tax_rules_group = $object->id;
-				                  $tr->id_country = (int)$country['id_country'];
-				                  $tr->id_state = (int)$state['id_state'];
-						          $tr->id_county = (int)$county['id_county'];
-				                  $tr->id_tax = (int)Tools::getValue('tax_'.$country['id_country'].'_'.$state['id_state'].'_'.$county['id_county']);
-	      		                  $tr->state_behavior = 0;
-					              $tr->county_behavior = $county_behavior;
-								  $tr->save();
-				              }
-                    		}
-                    }
-                }
-            }
-
-       }
-   }
-
-
-   public function postProcess()
-   {
-	
-   		if (!isset($this->table))
-			return false;
-
-		// set token
-		$token = Tools::getValue('token') ? Tools::getValue('token') : $this->token;
-
-        if (Tools::getValue('submitAdd'.$this->table))
-		{
-		    $id_product = Tools::getValue('id_product');
-
-			/* Checking fields validity */
-			$this->validateRules();
-			if (!sizeof($this->_errors))
-			{
-				$id = (int)(Tools::getValue($this->identifier));
-
-				/* Object update */
-				if (isset($id) AND !empty($id))
-				{
-					if ($this->tabAccess['edit'] === '1')
-					{
-						$object = new $this->className($id);
-						if (Validate::isLoadedObject($object))
-						{
-							/* Specific to objects which must not be deleted */
-							if ($this->deleted AND $this->beforeDelete($object))
-							{
-								// Create new one with old objet values
-								$objectNew = new $this->className($object->id);
-								$objectNew->id = NULL;
-								$objectNew->date_add = '';
-								$objectNew->date_upd = '';
-
-								// Update old object to deleted
-								$object->deleted = 1;
-								$object->update();
-
-								// Update new object with post values
-								$this->copyFromPost($objectNew, $this->table);
-								$result = $objectNew->add();
-								if (Validate::isLoadedObject($objectNew))
-									$this->afterDelete($objectNew, $object->id);
-							}
-							else
-							{
-								$this->copyFromPost($object, $this->table);
-								$result = $object->update();
-								$this->afterUpdate($object);
-							}
-
-							if (!$result)
-								$this->_errors[] = Tools::displayError('An error occurred while updating object.').' <b>'.$this->table.'</b> ('.Db::getInstance()->getMsgError().')';
-							elseif ($this->postImage($object->id) AND !sizeof($this->_errors))
-							{
-								$parent_id = (int)(Tools::getValue('id_parent', 1));
-
-								// Save and stay on same form
-								if (Tools::isSubmit('submitAdd'.$this->table.'AndStay'))
-									Tools::redirectAdmin(self::$currentIndex.'&'.$this->identifier.'='.$object->id.'&conf=4&update'.$this->table.'&token='.$token);
-
-								// Default behavior (save and back)
-								$id_product = (int)Tools::getValue('id_product');
-								if ($id_product)
-    								Tools::redirectAdmin('?tab=AdminCatalog&id_product='.$id_product.'&updateproduct&token='.Tools::getAdminToken('AdminCatalog'.(int)(Tab::getIdFromClassName('AdminCatalog')).(int)$this->context->employee->id));
-
-								Tools::redirectAdmin(self::$currentIndex.($parent_id ? '&'.$this->identifier.'='.$object->id : '').'&conf=3&token='.$token);
-							}
-						}
-						else
-							$this->_errors[] = Tools::displayError('An error occurred while updating object.').' <b>'.$this->table.'</b> '.Tools::displayError('(cannot load object)');
-					}
-					else
-						$this->_errors[] = Tools::displayError('You do not have permission to edit here.');
-				}
-
-				/* Object creation */
-				else
-				{
-					if ($this->tabAccess['add'] === '1')
-					{
-						$object = new $this->className();
-						$this->copyFromPost($object, $this->table);
-						if (!$object->add())
-							$this->_errors[] = Tools::displayError('An error occurred while creating object.').' <b>'.$this->table.' ('.Db::getInstance()->getMsgError().')</b>';
-						elseif (($_POST[$this->identifier] = $object->id /* voluntary */) AND $this->postImage($object->id) AND !sizeof($this->_errors) AND $this->_redirect)
-						{
-							$parent_id = (int)(Tools::getValue('id_parent', 1));
-							$this->afterAdd($object);
-							// Save and stay on same form
-							if (Tools::isSubmit('submitAdd'.$this->table.'AndStay'))
-								Tools::redirectAdmin(self::$currentIndex.'&'.$this->identifier.'='.$object->id.'&conf=3&update'.$this->table.'&token='.$token);
-
-							$id_product = (int)Tools::getValue('id_product');
-							if ($id_product)
-   								Tools::redirectAdmin('?tab=AdminCatalog&id_product='.$id_product.'&updateproduct&token='.Tools::getAdminToken('AdminCatalog'.(int)(Tab::getIdFromClassName('AdminCatalog')).(int)$this->context->employee->id));
-
-							Tools::redirectAdmin(self::$currentIndex.($parent_id ? '&'.$this->identifier.'='.$object->id : '').'&conf=3&token='.$token);
-							// Default behavior (save and back)
-							Tools::redirectAdmin(self::$currentIndex.($parent_id ? '&'.$this->identifier.'='.$object->id : '').'&conf=3&token='.$token);
-						}
-					}
-					else
-						$this->_errors[] = Tools::displayError('You do not have permission to add here.');
-				}
-			}
-			$this->_errors = array_unique($this->_errors);
-		}
-		parent::postProcess();
-   }
 }
 

admin-dev/tabs/AdminTracking.php

@@ -156,9 +156,9 @@ class AdminTracking extends AdminTab
 				</tr>';
 			foreach ($this->_list['obj'] AS $k => $prod)
 			{
-				$product = new Product((int)($prod['id_product']));
+				$product = new Product((int)$prod['id_product'], false);
 				$product->name = $product->name[(int)$this->context->language->id];
-				$taxrate = Tax::getProductTaxRate($product->id);
+				$taxrate = $product->getTaxesRate();
 
 				echo '
 				<tr>
@@ -222,13 +222,15 @@ class AdminTracking extends AdminTab
 				else
 					$prod['combination_name'] = $prod['group_name'].' : '.$prod['attribute_name'];
 
+
 				$attributes[$prod['id_product_attribute']] = $prod;
 				$prevAttributeId = $prod['id_product_attribute'];
 			}
 
 			foreach ($attributes AS $prod)
 			{
-				$taxrate = Tax::getProductTaxRate($prod['id_product']);
+				$product = new Product((int)$prod['id_product'], false);
+				$tax_rate = $product->getTaxesRate();
 
 				echo '
 				<tr>

classes/Autoload.php

@@ -77,6 +77,8 @@ class Autoload
 	 */
 	public function load($classname)
 	{
+	//	echo("Please load $classname.<br />");
+
 		// regenerate the class index if the requested class is not found in the index or if the requested file doesn't exists
 		if (!isset($this->index[$classname]) || ($this->index[$classname] && !file_exists($this->root_dir.$this->index[$classname])))
 			$this->generateIndex();
@@ -87,6 +89,7 @@ class Autoload
 			// If requested class does not exist, load associated core class
 		 	if (isset($this->index[$classname]) && !$this->index[$classname])
 		 	{
+
 				require_once($this->root_dir.$this->index[$classname.'Core']);
 		 		if (file_exists($this->root_dir.'override/'.$this->index[$classname.'Core']))
 		 		{
@@ -104,10 +107,14 @@ class Autoload
 			{
 				// request a non Core Class load the associated Core class if exists
 				if (isset($this->index[$classname.'Core']))
+				{
 					require_once($this->root_dir.$this->index[$classname.'Core']);
+				}
 
 				if (isset($this->index[$classname]))
+				{
 					require_once($this->root_dir.$this->index[$classname]);
+				}
 			}
 		}
 		// Call directly ProductCore, ShopCore class

classes/Carrier.php

@@ -770,6 +770,20 @@ class CarrierCore extends ObjectModel
 	   return self::$_cache_tax_rule[$id_carrier];
 	}
 
+
+	/**
+	 * Return the taxes rate associated to the carrier
+	 *
+	 * @since 1.5
+	 * @param Address $address
+	 */
+	public function getTaxesRate(Address $address)
+	{
+		$tax_manager = TaxManagerFactory::getManager($address, $this->id_tax_rules_group);
+		$tax_calculator = $tax_manager->getTaxCalculator();
+		return $tax_calculator->getTaxesRate();
+	}
+
 	/**
 	 * This tricky method generate a sql clause to check if ranged data are overloaded by multishop
 	 *

classes/Cart.php

@@ -369,7 +369,8 @@ class CartCore extends ObjectModel
 				LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON (pa.`id_product_attribute` = cp.`id_product_attribute`)
 				LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
 					AND tr.`id_country` = '.(int)$id_country.'
-					AND tr.`id_state` = 0)
+					AND tr.`id_state` = 0
+				    AND tr.`zipcode_from` = 0)
 			    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
 				LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)$this->id_lang.')
 				LEFT JOIN `'._DB_PREFIX_.'customization` cu ON (p.`id_product` = cu.`id_product`)
@@ -381,6 +382,7 @@ class CartCore extends ObjectModel
 				AND p.`id_product` IS NOT NULL
 				GROUP BY unique_id
 				ORDER BY cp.date_add ASC';
+
 		$result = Db::getInstance()->ExecuteS($sql);
 		// Reset the cache before the following return, or else an empty cart will add dozens of queries
 
@@ -922,7 +924,7 @@ class CartCore extends ObjectModel
 
 		// no shipping cost if is a cart with only virtuals products
 		$virtual = $this->isVirtualCart();
-		if ($virtual AND $type == Cart::ONLY_SHIPPING)
+		if ($virtual AND $type ==  Cart::ONLY_SHIPPING)
 			return 0;
 		if ($virtual AND $type == Cart::BOTH)
 			$type = Cart::BOTH_WITHOUT_SHIPPING;
@@ -1180,7 +1182,7 @@ class CartCore extends ObjectModel
 
 		// Select carrier tax
 		if ($useTax AND !Tax::excludeTaxeOption())
-			 $carrierTax = Tax::getCarrierTaxRate((int)$carrier->id, (int)$this->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
+			 $carrierTax = $carrier->getTaxesRate(new Address((int)$this->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
 
 		$configuration = Configuration::getMultiple(array('PS_SHIPPING_FREE_PRICE', 'PS_SHIPPING_HANDLING', 'PS_SHIPPING_METHOD', 'PS_SHIPPING_FREE_WEIGHT'));
 		// Free fees

classes/Category.php

@@ -548,7 +548,8 @@ class CategoryCore extends ObjectModel
 				LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)$id_lang.')
 				LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
 					AND tr.`id_country` = '.(int)$context->country->id.'
-					AND tr.`id_state` = 0)
+					AND tr.`id_state` = 0
+                    AND tr.`zipcode_from` = 0)
 	    		LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
 				LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)$id_lang.')
 				LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON m.`id_manufacturer` = p.`id_manufacturer`

classes/County.php

@@ -25,6 +25,10 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
+
+/**
+* @deprecated since 1.5
+*/
 class CountyCore extends ObjectModel
 {
 	public $id;
@@ -63,181 +67,97 @@ class CountyCore extends ObjectModel
 
 	public function delete()
 	{
-		$id = $this->id;
+		return true;
-		parent::delete();
-
-		// remove associated zip codes & tax rule
-		return (County::deleteZipCodeByIdCounty($id) AND TaxRule::deleteTaxRuleByIdCounty($id));
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public static function getCounties($id_state)
 	{
-		if (!isset(self::$_cache_get_counties[$id_state]))
+		Tools::displayAsDeprecated();
-		{
+		return false;
-			self::$_cache_get_counties[$id_state] = Db::getInstance()->ExecuteS('
-			SELECT * FROM `'._DB_PREFIX_.'county`
-			WHERE `id_state` = '.(int)$id_state
-			);
-		}
-
-		return self::$_cache_get_counties[$id_state];
 	}
 
-	// return the list of associated zipcode
+	/**
+	* @deprecated since 1.5
+	*/
 	public function getZipCodes()
 	{
-		return Db::getInstance()->ExecuteS('
+		Tools::displayAsDeprecated();
-		SELECT * FROM `'._DB_PREFIX_.'county_zip_code`
+		return false;
-		WHERE `id_county` = '.(int)$this->id.'
-		ORDER BY `from_zip_code` ASC'
-		);
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public function addZipCodes($zip_codes)
 	{
-		list($from, $to) = $this->breakDownZipCode($zip_codes);
+		Tools::displayAsDeprecated();
-
+		return true;
-		if ($from == 0)
-			return false;
-
-		return Db::getInstance()->Execute(
-		'INSERT INTO `'._DB_PREFIX_.'county_zip_code` (`id_county`, `from_zip_code`, `to_zip_code`)
-		VALUES ('.(int)$this->id.','.(int)$from.','.(int)$to.')'
-		);
 	}
 
-
+	/**
+	* @deprecated since 1.5
+	*/
 	public function removeZipCodes($zip_codes)
 	{
-		list($from, $to) = $this->breakDownZipCode($zip_codes);
+		Tools::displayAsDeprecated();
-
+		return true;
-		if ($from == 0)
-			return false;
-
-		return Db::getInstance()->Execute('
-		DELETE FROM `'._DB_PREFIX_.'county_zip_code`
-		WHERE `id_county` = '.(int)$this->id.'
-		AND `from_zip_code` = '.(int)$from.'
-		AND `to_zip_code` = '.(int)$to
-		);
 	}
 
-
+	/**
+	* @deprecated since 1.5
+	*/
 	public function breakDownZipCode($zip_codes)
 	{
-		$zip_codes = preg_split('/-/', $zip_codes);
+		Tools::displayAsDeprecated();
-
+		return array(0,0);
-		if (sizeof($zip_codes) == 2)
-		{
-			$from = $zip_codes[0];
-			$to   = $zip_codes[1];
-			if ($zip_codes[0] > $zip_codes[1])
-			{
-				$from = $zip_codes[1];
-				$to   = $zip_codes[0];
-			}
-			else if ($zip_codes[0] == $zip_codes[1])
-			{
-				$from = $zip_codes[0];
-				$to   = 0;
-			}
-		}
-		else if (sizeof($zip_codes) == 1)
-		{
-			$from = $zip_codes[0];
-			$to = 0;
-		}
-
-		if (!Validate::isInt($from) OR !Validate::isInt($to))
-		{
-			$from = 0;
-			$to = 0;
-		}
-
-		return array($from, $to);
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public static function getIdCountyByZipCode($id_state, $zip_code)
 	{
-		if (!isset(self::$_cache_county_zipcode[$id_state.'-'.$zip_code]))
+		Tools::displayAsDeprecated();
-		{
+		return false;
-			self::$_cache_county_zipcode[$id_state.'-'.$zip_code] = Db::getInstance()->getValue('
-			SELECT DISTINCT c.`id_county` FROM `'._DB_PREFIX_.'county` c
-			LEFT JOIN `'._DB_PREFIX_.'county_zip_code` cz ON (c.`id_county` = cz.`id_county`)
-			WHERE `id_state` = '.(int)$id_state.'
-			AND cz.`from_zip_code` >= '.(int)$zip_code.'
-			AND cz.`to_zip_code` <= '.(int)$zip_code
-			);
-		}
-
-		return self::$_cache_county_zipcode[$id_state.'-'.$zip_code];
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public function isZipCodeRangePresent($zip_codes)
 	{
-		$res = false;
+		Tools::displayAsDeprecated();
-		list($from, $to) = $this->breakDownZipCode($zip_codes);
+		return false;
-
-		if ($from == 0)
-			return false;
-
-		if ($to != 0)
-		{
-			$res = Db::getInstance()->getValue('
-			SELECT COUNT(*) FROM `'._DB_PREFIX_.'county_zip_code` cz
-			LEFT JOIN `'._DB_PREFIX_.'county` c ON (c.`id_county` = cz.`id_county`)
-			LEFT JOIN `'._DB_PREFIX_.'state` s ON (s.`id_state` = c.`id_state`)
-			WHERE `from_zip_code` >= '.(int)$from.'
-			AND `to_zip_code` <= '.(int)$to.'
-			AND s.`id_country` = (SELECT `id_country`
-										 FROM `'._DB_PREFIX_.'state` s
-										 LEFT JOIN `'._DB_PREFIX_.'county` c ON (c.`id_state` = s.`id_state`)
-										 WHERE `id_county` = '.(int)$this->id.'
-										)'
-			);
-		}
-
-		return ($res OR County::isZipCodePresent($from) OR County::isZipCodePresent($to));
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public function isZipCodePresent($zip_code)
 	{
-
+		Tools::displayAsDeprecated();
-		if ($zip_code == 0)
+		return false;
-			return false;
-
-		return (bool) Db::getInstance()->getValue('
-		SELECT COUNT(*) FROM `'._DB_PREFIX_.'county_zip_code` cz
-		LEFT JOIN `'._DB_PREFIX_.'county` c ON (c.`id_county` = cz.`id_county`)
-		LEFT JOIN `'._DB_PREFIX_.'state` s ON (s.`id_state` = c.`id_state`)
-		WHERE
-		(`from_zip_code` <= '.(int)$zip_code.' AND `to_zip_code` >= '.(int)$zip_code.')
-		OR
-		(`from_zip_code` = '.(int)$zip_code.')
-		AND s.`id_country` = (SELECT `id_country`
-									 FROM `'._DB_PREFIX_.'state` s
-									 LEFT JOIN `'._DB_PREFIX_.'county` c ON (c.`id_state` = s.`id_state`)
-									 WHERE `id_county` = '.(int)$this->id.'
-									)'
-		);
 	}
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public static function deleteZipCodeByIdCounty($id_county)
 	{
-		return Db::getInstance()->Execute(
+		Tools::displayAsDeprecated();
-		'DELETE FROM `'._DB_PREFIX_.'county_zip_code`
+		return true;
-		WHERE `id_county` = '.(int)$id_county
-		);
 	}
 
-
+	/**
+	* @deprecated since 1.5
+	*/
 	public static function getIdCountyByNameAndIdState($name, $id_state)
 	{
-		return Db::getInstance()->getValue('
+		Tools::displayAsDeprecated();
-		SELECT `id_county` FROM `'._DB_PREFIX_.'county`
+		return false;
-		WHERE `name` = \''.pSQL($name).'\'
-		AND `id_state` = '.(int)$id_state
-		);
 	}
 
 }

classes/Helper.php

@@ -42,20 +42,20 @@ class HelperCore
 	 * @param type $selected_cat array of selected categories
 	 *					Format
 	 *						Array
-							(
+	 * 					(
-								 [0] => 1
+	 *							 [0] => 1
-								 [1] => 2
+	 *						 [1] => 2
-	 						)
+	 *					)
-	 *					OR
+	 * 					OR
-							Array
+	 *					Array
-							(
+	 *					(
-								 [1] => Array
+	 *						 [1] => Array
-									  (
+	 *							  (
-											[id_category] => 1
+	 *									[id_category] => 1
-											[name] => Home page
+	 *									[name] => Home page
-											[link_rewrite] => home
+	 *									[link_rewrite] => home
-									  )
+	 *							  )
-							)
+	 *					)
 	 * @param type $input_name name of input
 	 * @return string
 	 */
@@ -127,4 +127,71 @@ class HelperCore
 			</ul>';
 		return $html;
 	}
+
+	/**
+	* Create a select input field
+	*
+	* @param array $values
+	* @param array $html_options any key => value options
+	* @param array $select_options
+	* - key: the array value that will be used as a key in my select (optional)
+	* - value: the array value that will be used as a label in my select (optional)
+	* - empty: the label displayed as an empty value (optional)
+	* - selected: the key corresponding to the selected value  (optional)
+	*
+	* @return string html content
+	*/
+	public static function selectInput(array $values, array $html_options = array(), array $select_options = array())
+	{
+		// options management
+		$options = self::buildHtmlOptions($html_options);
+		$select_html = '<select '.$options.'>';
+
+		if (isset($select_options['key']))
+			$use_key = $select_options['key'];
+
+		if (isset($select_options['value']))
+			$use_value = $select_options['value'];
+
+		if (isset($select_options['empty']))
+			$select_html .= '<option value="">'.$select_options['empty'].'</option>';
+
+		// render options fields
+		foreach ($values as $key => $value)
+		{
+			$current_key = isset($use_key) ? $value[$use_key] : $key;
+			$current_value = isset($use_value) ? $value[$use_value] : $value;
+
+			if (isset($select_options['selected']) && $select_options['selected'] == $current_key)
+				$selected = 'selected="selected"';
+			else
+				$selected = '';
+
+			$select_html .= '<option value="'.Tools::htmlentitiesUTF8($current_key).'" '.$selected.'>'.Tools::htmlentitiesUTF8($current_value).'</option>';
+		}
+
+		$select_html .= '</select>';
+
+		return $select_html;
+	}
+
+	/**
+	* Create html a string containing html options
+	* eg: buildHtmlOptions(array('name' => 'myInputName', 'id' => 'myInputId'));
+	*     return => 'name="myInputName" id="myInputId"'
+	*
+	* @param array $html_options
+	*
+	* @return string
+	*/
+	protected static function buildHtmlOptions(array $html_options)
+	{
+		$html = '';
+
+		foreach ($html_options as $html_option => $value)
+				$html .= Tools::htmlentitiesUTF8($html_option).'="'.Tools::htmlentitiesUTF8($value).'" ';
+
+		return rtrim($html, ' ');
+	}
 }
+

classes/LocalizationPack.php

@@ -117,60 +117,8 @@ class LocalizationPackCore
 						return false;
 					}
 				}
-
-				// Add counties
-				foreach ($data->county AS $xml_county)
-				{
-					$county_attributes = $xml_county->attributes();
-					if (!$id_county = County::getIdCountyByNameAndIdState($county_attributes['name'], $state->id))
-					{
-						$county = new County();
-						$county->name = $county_attributes['name'];
-						$county->id_state = (int)$state->id;
-						$county->active = 1;
-
-						if (!$county->validateFields())
-						{
-							$this->_errors[] = Tools::displayError('Invalid County properties');
-							return false;
-						}
-
-						if (!$county->save())
-						{
-							$this->_errors[] = Tools::displayError('An error has occurred while adding the county');
-							return false;
-						}
-					} else {
-						$county = new County((int)$id_county);
-						if (!Validate::isLoadedObject($county))
-						{
-							$this->_errors[] = Tools::displayError('An error occurred while fetching the county.');
-							return false;
-						}
-					}
-
-					// add zip codes
-					foreach ($xml_county->zipcode AS $xml_zipcode)
-					{
-							$zipcode_attributes = $xml_zipcode->attributes();
-
-							$zipcodes = $zipcode_attributes['from'];
-							if (isset($zipcode_attributes['to']))
-								$zipcodes .= '-'.$zipcode_attributes['to'];
-
-							if ($county->isZipCodeRangePresent($zipcodes))
-								continue;
-
-							if (!$county->addZipCodes($zipcodes))
-							{
-								$this->_errors[] = Tools::displayError('An error has occurred while adding zipcodes');
-								return false;
-							}
-					}
-				}
 			}
 
-
 		return true;
 	}
 

classes/Manufacturer.php

@@ -286,8 +286,9 @@ class ManufacturerCore extends ObjectModel
 				LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
 				LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)$id_lang.')
 				LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
-						AND tr.`id_country` = '.(int)$context->country->id.'
+		                                           AND tr.`id_country` = '.(int)$context->country->id.'
-			            AND tr.`id_state` = 0)
+	                                           	   AND tr.`id_state` = 0
+                                                   AND tr.`zipcode_from` = 0)
 			    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
 				LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)$id_lang.')
 				LEFT JOIN `'._DB_PREFIX_.'manufacturer` m ON m.`id_manufacturer` = p.`id_manufacturer`

classes/PaymentModule.php

@@ -99,9 +99,12 @@ abstract class PaymentModuleCore extends Module
 			if ($secure_key !== false AND $secure_key != $cart->secure_key)
 				die(Tools::displayError());
 
+
+			$carrier = new Carrier((int)$cart->id_carrier, (int)$cart->id_lang);
+
 			// Copying data from cart
 			$order = new Order();
-			$order->id_carrier = (int)($cart->id_carrier);
+			$order->id_carrier = $carrier->id;
 			$order->id_customer = (int)($cart->id_customer);
 			$order->id_address_invoice = (int)($cart->id_address_invoice);
 			$order->id_address_delivery = (int)($cart->id_address_delivery);
@@ -128,8 +131,8 @@ abstract class PaymentModuleCore extends Module
 			$order->total_products = (float)($cart->getOrderTotal(false, Cart::ONLY_PRODUCTS));
 			$order->total_products_wt = (float)($cart->getOrderTotal(true, Cart::ONLY_PRODUCTS));
 			$order->total_discounts = (float)(abs($cart->getOrderTotal(true, Cart::ONLY_DISCOUNTS)));
-			$order->total_shipping = (float)($cart->getOrderShippingCost());
+			$order->total_shipping = (float)$cart->getOrderShippingCost();
-			$order->carrier_tax_rate = (float)Tax::getCarrierTaxRate($cart->id_carrier, (int)$cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
+			$order->carrier_tax_rate = (float)$carrier->getTaxesRate(new Address((int)$cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
 			$order->total_wrapping = (float)(abs($cart->getOrderTotal(true, Cart::ONLY_WRAPPING)));
 			$order->total_paid = (float)(Tools::ps_round((float)($cart->getOrderTotal(true, Cart::BOTH)), 2));
 			$order->invoice_date = '0000-00-00 00:00:00';
@@ -377,7 +380,6 @@ abstract class PaymentModuleCore extends Module
 				{
 					$invoice = new Address((int)($order->id_address_invoice));
 					$delivery = new Address((int)($order->id_address_delivery));
-					$carrier = new Carrier((int)($order->id_carrier), $order->id_lang);
 					$delivery_state = $delivery->id_state ? new State((int)($delivery->id_state)) : false;
 					$invoice_state = $invoice->id_state ? new State((int)($invoice->id_state)) : false;
 

classes/Product.php

@@ -311,10 +311,13 @@ class ProductCore extends ObjectModel
 			$this->manufacturer_name = Manufacturer::getNameById((int)$this->id_manufacturer);
 			$this->supplier_name = Supplier::getNameById((int)$this->id_supplier);
 			self::$_tax_rules_group[$this->id] = $this->id_tax_rules_group;
+
+			$address = NULL;
 			if (is_object($context->cart) AND $context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')} != NULL)
-				$this->tax_rate = Tax::getProductTaxRate($this->id, $context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
+				$address = $context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};
-			else
+
-				$this->tax_rate = Tax::getProductTaxRate($this->id, NULL);
+			$this->tax_rate = $this->getTaxesRate(new Address($address));
+
 			$this->new = $this->isNew();
 			$this->price = Product::getPriceStatic((int)($this->id), false, NULL, 6, NULL, false, true, 1, false, NULL, NULL, NULL, $this->specificPrice);
 			$this->unit_price = ($this->unit_price_ratio != 0  ? $this->price / $this->unit_price_ratio : 0);
@@ -405,18 +408,25 @@ class ProductCore extends ObjectModel
 		));
 	}
 
-	public static function initPricesComputation($customer = NULL)
+	public static function initPricesComputation($id_customer = NULL)
 	{
-		if ($customer)
+		if ($id_customer)
+		{
+			$customer = new Customer((int)($id_customer));
+			if (!Validate::isLoadedObject($customer))
+				die(Tools::displayError());
 			self::$_taxCalculationMethod = Group::getPriceDisplayMethod((int)($customer->id_default_group));
+		}
+		else if (Validate::isLoadedObject(Context::getContext()->customer))
+			self::$_taxCalculationMethod = Group::getPriceDisplayMethod(Context::getContext()->customer->id_default_group);
 		else
 			self::$_taxCalculationMethod = Group::getDefaultPriceDisplayMethod();
 	}
 
-	public static function getTaxCalculationMethod($customer = NULL)
+	public static function getTaxCalculationMethod($id_customer = NULL)
 	{
-		if ($customer)
+		if ($id_customer)
-			self::initPricesComputation((int)($customer));
+			self::initPricesComputation((int)($id_customer));
 		return (int)(self::$_taxCalculationMethod);
 	}
 
@@ -1680,7 +1690,7 @@ class ProductCore extends ObjectModel
 		// retrieve address informations
 		$id_country = (int)$context->country->id;
 		$id_state = 0;
-		$id_county = 0;
+		$zipcode = 0;
 
 		if (!$id_address)
 			$id_address = $cur_cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};
@@ -1692,18 +1702,14 @@ class ProductCore extends ObjectModel
 			{
 				$id_country = (int)($address_infos['id_country']);
 				$id_state = (int)($address_infos['id_state']);
-				$postcode = (int)$address_infos['postcode'];
+				$zipcode = $address_infos['postcode'];
-
-				$id_county = (int)County::getIdCountyByZipCode($id_state, $postcode);
 			}
 		}
 		elseif (isset($context->customer->geoloc_id_country))
 		{
 			$id_country = (int)$context->customer->geoloc_id_country;
 			$id_state = (int)$context->customer->id_state;
-			$postcode = (int)$context->customer->postcode;
+			$zipcode = (int)$context->customer->postcode;
-
-			$id_county = (int)County::getIdCountyByZipCode($id_state, $postcode);
 		}
 
 		if (Tax::excludeTaxeOption())
@@ -1712,7 +1718,7 @@ class ProductCore extends ObjectModel
 		if ($usetax != false AND !empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
 			$usetax = false;
 
-		return Product::priceCalculation($context->shop->getID(), $id_product, $id_product_attribute, $id_country,  $id_state, $id_county, $id_currency, $id_group, $quantity, $usetax, $decimals, $only_reduc,
+		return Product::priceCalculation($context->shop->getID(), $id_product, $id_product_attribute, $id_country,  $id_state, $zipcode, $id_currency, $id_group, $quantity, $usetax, $decimals, $only_reduc,
 		$usereduc, $with_ecotax, $specificPriceOutput, $use_groupReduction);
 	}
 
@@ -1733,16 +1739,17 @@ class ProductCore extends ObjectModel
 	* @param boolean $use_reduc Set if the returned amount will include reduction
 	* @param boolean $with_ecotax insert ecotax in price output.
 	* @param variable_reference $specific_price_output If a specific price applies regarding the previous parameters, this variable is filled with the corresponding SpecificPrice object
+	*
 	* @return float Product price
 	**/
-	public static function priceCalculation($id_shop, $id_product, $id_product_attribute, $id_country, $id_state, $id_county, $id_currency, $id_group, $quantity, $use_tax, $decimals, $only_reduc, $use_reduc, $with_ecotax, &$specific_price, $use_groupReduction)
+	public static function priceCalculation($id_shop, $id_product, $id_product_attribute, $id_country, $id_state, $zipcode, $id_currency, $id_group, $quantity, $use_tax, $decimals, $only_reduc, $use_reduc, $with_ecotax, &$specific_price, $use_groupReduction)
 	{
 		// Caching
 		if ($id_product_attribute === NULL)
 			$product_attribute_label = 'NULL';
 		else
 			$product_attribute_label = ($id_product_attribute === false ? 'false' : $id_product_attribute);
-		$cacheId = $id_product.'-'.$id_shop.'-'.$id_currency.'-'.$id_country.'-'.$id_state.'-'.$id_county.'-'.$id_group.'-'.$quantity.'-'.$product_attribute_label.'-'.($use_tax?'1':'0').'-'.$decimals.'-'.($only_reduc?'1':'0').'-'.($use_reduc?'1':'0').'-'.$with_ecotax;
+		$cacheId = $id_product.'-'.$id_shop.'-'.$id_currency.'-'.$id_country.'-'.$id_state.'-'.$zipcode.'-'.$id_group.'-'.$quantity.'-'.$product_attribute_label.'-'.($use_tax?'1':'0').'-'.$decimals.'-'.($only_reduc?'1':'0').'-'.($use_reduc?'1':'0').'-'.$with_ecotax;
 
 		// reference parameter is filled before any returns
 		$specific_price = SpecificPrice::getSpecificPrice((int)($id_product), $id_shop, $id_currency, $id_country, $id_group, $quantity);
@@ -1773,14 +1780,18 @@ class ProductCore extends ObjectModel
 		if ($id_product_attribute !== false) // If you want the default combination, please use NULL value instead
 			$price += $attribute_price;
 
-		// TaxRate calculation
+		// Tax
-		$tax_rate = Tax::getProductTaxRateViaRules((int)$id_product, (int)$id_country, (int)$id_state, (int)$id_county);
+		$address = new Address();
-		if ($tax_rate === false)
+		$address->id_country = $id_country;
-			$tax_rate = 0;
+		$address->id_state = $id_state;
+		$address->postcode = $zipcode;
+
+		$tax_manager = TaxManagerFactory::getManager($address, Product::getIdTaxRulesGroupByIdProduct((int)$id_product));
+		$product_tax_calculator = $tax_manager->getTaxCalculator();
 
 		// Add Tax
 		if ($use_tax)
-			$price = $price * (1 + ($tax_rate / 100));
+			$price = $product_tax_calculator->addTaxes($price);
 		$price = Tools::ps_round($price, $decimals);
 
 		// Reduction
@@ -1793,7 +1804,7 @@ class ProductCore extends ObjectModel
 
 		        if (!$specific_price['id_currency'])
 		            $reduction_amount = Tools::convertPrice($reduction_amount, $id_currency);
-		        $reduc = Tools::ps_round(!$use_tax ? $reduction_amount / (1 + $tax_rate / 100) : $reduction_amount, $decimals);
+		        $reduc = Tools::ps_round(!$use_tax ? $product_tax_calculator->removeTax($reduction_amount) : $reduction_amount, $decimals);
 		    }
 			else
 		        $reduc = Tools::ps_round($price * $specific_price['reduction'], $decimals);
@@ -1825,8 +1836,13 @@ class ProductCore extends ObjectModel
 				$ecotax = Tools::convertPrice($ecotax, $id_currency);
 			if ($use_tax)
 			{
-				$taxRate = TaxRulesGroup::getTaxesRate((int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID'), (int)$id_country, (int)$id_state, (int)$id_county);
+				// reinit the tax manager for ecotax handling
-				$price += $ecotax * (1 + ($taxRate / 100));
+				$tax_manager = TaxManagerFactory::getManager(
+										$address,
+										(int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID')
+									);
+				$ecotax_tax_calculator = $tax_manager->getTaxCalculator();
+				$price += $ecotax_tax_calculator->addTaxes($ecotax);
 			}
 			else
 				$price += $ecotax;
@@ -2103,6 +2119,7 @@ class ProductCore extends ObjectModel
 					WHERE id_product = '.$this->id.'
 						AND id_product_attribute = '.(int)$id_product_attribute
 						.$context->shop->sqlRestriction(Shop::SHARE_STOCK);
+
 			self::$cacheStock[$this->id][$id_product_attribute] = (int)Db::getInstance()->getValue($sql);
 		}
 		return self::$cacheStock[$this->id][$id_product_attribute];
@@ -3155,6 +3172,20 @@ class ProductCore extends ObjectModel
 	    return self::$_tax_rules_group[$id_product];
 	}
 
+	/**
+	* @return the total taxes rate applied to the product
+	*/
+	public function getTaxesRate(Address $address = NULL)
+	{
+		if (!$address OR !$address->id_country)
+			$address = Tax::initializeAddress();
+
+		$tax_manager = TaxManagerFactory::getManager($address, $this->id_tax_rules_group);
+		$tax_calculator = $tax_manager->getTaxCalculator();
+
+		return $tax_calculator->getTaxesRate();
+	}
+
 	/**
 	* Webservice getter : get product features association
 	*

classes/Supplier.php

@@ -223,7 +223,8 @@ class SupplierCore extends ObjectModel
 		LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($id_lang).')
 		LEFT JOIN `'._DB_PREFIX_.'tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group`
 		                                           AND tr.`id_country` = '.(int)Context::getContext()->country->id.'
-	                                           	   AND tr.`id_state` = 0)
+	                                           	   AND tr.`id_state` = 0
+                                                   AND tr.`zipcode_from` = 0)
 	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
 		LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)($id_lang).')
 		LEFT JOIN `'._DB_PREFIX_.'supplier` s ON s.`id_supplier` = p.`id_supplier`

classes/tax/Tax.php

@@ -74,138 +74,6 @@ class TaxCore extends ObjectModel
 		return parent::delete();
 	}
 
-	/**
-	* Get all available taxes
-	*
-	* @return array Taxes
-	*/
-	public static function getTaxes($id_lang = false, $active = 1)
-	{
-		return Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
-		SELECT t.id_tax, t.rate'.((int)($id_lang) ? ', tl.name, tl.id_lang ' : '').'
-		FROM `'._DB_PREFIX_.'tax` t
-		'.((int)($id_lang) ? 'LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)($id_lang).')'
-		.($active == 1 ? 'WHERE t.`active` = 1' : '').'
-		ORDER BY `name` ASC' : ''));
-	}
-
-	public static function excludeTaxeOption()
-	{
-		return !Configuration::get('PS_TAX');
-	}
-
-	public static function getTaxIdByName($tax_name, $active = 1)
-	{
-		$tax = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
-			SELECT t.`id_tax`
-			FROM `'._DB_PREFIX_.'tax` t
-			LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (tl.id_tax = t.id_tax)
-			WHERE tl.`name` = \''.pSQL($tax_name).'\' '.
-			($active == 1 ? ' AND t.`active` = 1' : ''));
-
-		return $tax ? (int)($tax['id_tax']) : false;
-	}
-
-	/**
-	 * Return the product tax
-	 *
-	 * @param integer $id_product
-	 * @param integer $id_country
-	 * @return Tax
-	 */
-	public static function getProductTaxRate($id_product, $id_address = NULL)
-	{
-  	     $id_country = (int)Context::getContext()->country->id;
-         $id_state = 0;
-         $id_county = 0;
-         $rate = 0;
-         if (!empty($id_address))
-         {
-             $address_infos = Address::getCountryAndState($id_address);
-         	 if ($address_infos['id_country'])
-             {
-	          	$id_country = (int)($address_infos['id_country']);
-	               $id_state = (int)$address_infos['id_state'];
-	               $id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);
-             }
-
-		    if (!empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
-				    return 0;
-		}
-
-	    if ($rate = Tax::getProductTaxRateViaRules((int)$id_product, (int)$id_country, (int)$id_state, (int)$id_county))
-	        return $rate;
-
-		return $rate;
-	}
-
-	public static function getProductEcotaxRate($id_address = NULL)
-	{
-  	     $id_country = (int)Context::getContext()->country->id;
-         $id_state = 0;
-         $id_county = 0;
-         $rate = 0;
-         if (!empty($id_address))
-         {
-             $address_infos = Address::getCountryAndState($id_address);
-         	 if ($address_infos['id_country'])
-             {
-   	             $id_country = (int)($address_infos['id_country']);
-            	    $id_state = (int)$address_infos['id_state'];
-   	             $id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);
-             }
-
-		    if (!empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
-				    return 0;
-        }
-
-       	if ($rate = TaxRulesGroup::getTaxesRate((int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID'), (int)$id_country, (int)$id_state, (int)$id_county))
-	        return $rate;
-
-		return $rate;
-	}
-
-	/**
-	 * Return the product tax rate using the tax rules system
-	 *
-	 * @param integer $id_product
-	 * @param integer $id_country
-	 * @return Tax
-	 */
-	public static function getProductTaxRateViaRules($id_product, $id_country, $id_state, $id_county)
-	{
-		if (!isset(self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$id_state.'-'.$id_county]))
-		{
-		    $tax_rate = TaxRulesGroup::getTaxesRate((int)Product::getIdTaxRulesGroupByIdProduct((int)$id_product), (int)$id_country, (int)$id_state, (int)$id_county);
-		    self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$id_county] =  $tax_rate;
-		}
-
-		return self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$id_county];
-	}
-
-
-	public static function getCarrierTaxRate($id_carrier, $id_address = NULL)
-	{
-        $id_country = (int)Context::getContext()->country->id;
-        $id_state = 0;
-        $id_county = 0;
-        if (!empty($id_address))
-        {
-             $address_infos = Address::getCountryAndState($id_address);
-         	 if ($address_infos['id_country'])
-             {
-	           		$id_country = (int)($address_infos['id_country']);
-             	    $id_state = (int)$address_infos['id_state'];
- 	                $id_county = (int)County::getIdCountyByZipCode($address_infos['id_state'], $address_infos['postcode']);
-             }
-
-			    if (!empty($address_infos['vat_number']) AND $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY') AND Configuration::get('VATNUMBER_MANAGEMENT'))
-				    return 0;
-	   }
-
-	   return TaxRulesGroup::getTaxesRate((int)Carrier::getIdTaxRulesGroupByIdCarrier((int)$id_carrier), (int)$id_country, (int)$id_state, (int)$id_county);
-	}
-
 	public function toggleStatus()
 	{
 	    if (parent::toggleStatus())
@@ -229,5 +97,145 @@ class TaxCore extends ObjectModel
 
         return true;
 	}
+
+	/**
+	* Get all available taxes
+	*
+	* @return array Taxes
+	*/
+	public static function getTaxes($id_lang = false, $active = 1)
+	{
+		return Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
+		SELECT t.id_tax, t.rate'.((int)($id_lang) ? ', tl.name, tl.id_lang ' : '').'
+		FROM `'._DB_PREFIX_.'tax` t
+		'.((int)($id_lang) ? 'LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = '.(int)($id_lang).')'
+		.($active == 1 ? 'WHERE t.`active` = 1' : '').'
+		ORDER BY `name` ASC' : ''));
+	}
+
+	public static function excludeTaxeOption()
+	{
+		return !Configuration::get('PS_TAX');
+	}
+
+	/**
+	* Return the tax id associated to the specified name
+	*
+	* @param string $tax_name
+	* @param boolean $active (true by default)
+	*/
+	public static function getTaxIdByName($tax_name, $active = 1)
+	{
+		$tax = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
+			SELECT t.`id_tax`
+			FROM `'._DB_PREFIX_.'tax` t
+			LEFT JOIN `'._DB_PREFIX_.'tax_lang` tl ON (tl.id_tax = t.id_tax)
+			WHERE tl.`name` = \''.pSQL($tax_name).'\' '.
+			($active == 1 ? ' AND t.`active` = 1' : ''));
+
+		return $tax ? (int)($tax['id_tax']) : false;
+	}
+
+	/**
+	 * Returns the product tax
+	 *
+	 * @param integer $id_product
+	 * @param integer $id_country
+	 * @return Tax
+	 *
+	 * @deprecated use $product->getTaxesRate() instead
+	 */
+	public static function getProductTaxRate($id_product, $id_address = NULL)
+	{
+		$address = Tax::initializeAddress($id_address);
+		$id_tax_rules = (int)Product::getIdTaxRulesGroupByIdProduct($id_product);
+
+		$tax_manager = TaxManagerFactory::getManager($address, $id_tax_rules);
+		$tax_calculator = $tax_manager->getTaxCalculator();
+
+		return $tax_calculator->getTaxesRate();
+	}
+
+	/**
+	* Returns the ecotax tax rate
+	*
+	* @param id_address
+	* @return float $tax_rate
+	*/
+	public static function getProductEcotaxRate($id_address = NULL)
+	{
+		$address = Tax::initializeAddress($id_address);
+
+		$tax_manager = TaxManagerFactory::getManager($address, (int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID'));
+		$tax_calculator = $tax_manager->getTaxCalculator();
+
+		return $tax_calculator->getTaxesRate();
+	}
+
+	/**
+	* Returns the carrier tax rate
+	*
+	* @param id_address
+	* @return float $tax_rate
+	*/
+	public static function getCarrierTaxRate($id_carrier, $id_address = NULL)
+	{
+		$address = Tax::initializeAddress($id_address);
+		$id_tax_rules = (int)Carrier::getIdTaxRulesGroupByIdCarrier((int)$id_carrier);
+
+		$tax_manager = TaxManagerFactory::getManager($address, $id_tax_rules);
+		$tax_calculator = $tax_manager->getTaxCalculator();
+
+		return $tax_calculator->getTaxesRate();
+	}
+
+	/**
+	* Initiliaze an address corresponding to the id address if any or to the
+	* default shop configuration
+	*
+	* @param int $id_address
+	* @return Address address
+	*/
+	public static function initializeAddress($id_address = NULL)
+	{
+		// set the default address
+		$address = new Address();
+		$address->id_country = (int)Context::getContext()->country->id;
+		$address->id_state = 0;
+		$address->postcode = 0;
+
+		// if an id_address has been specified retrieve the address
+		if ($id_address)
+		{
+			$address = new Address((int)$id_address);
+
+			if (!Validate::isLoadedObject())
+				throw new Exception('Invalid address');
+		}
+
+		return $address;
+	}
+
+	/**
+	 * Return the product tax rate using the tax rules system
+	 *
+	 * @param integer $id_product
+	 * @param integer $id_country
+	 * @return Tax
+	 *
+	 * @deprecated since 1.5
+	 */
+	public static function getProductTaxRateViaRules($id_product, $id_country, $id_state, $zipcode)
+	{
+		Tools::displayAsDeprecated();
+
+		if (!isset(self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$id_state.'-'.$zipcode]))
+		{
+		    $tax_rate = TaxRulesGroup::getTaxesRate((int)Product::getIdTaxRulesGroupByIdProduct((int)$id_product), (int)$id_country, (int)$id_state, $zipcode);
+		    self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$zipcode] =  $tax_rate;
+		}
+
+		return self::$_product_tax_via_rules[$id_product.'-'.$id_country.'-'.$zipcode];
+	}
 }
 

classes/tax/TaxCalculator.php

@@ -0,0 +1,144 @@
+<?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
+*/
+
+/**
+ * @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_rate
+	 */
+	public $taxes_rate;
+
+	/**
+	 * @var int $computation_method (COMBINE_METHOD | ONE_AFTER_ANOTHER_METHOD)
+	 */
+	public $computation_method;
+
+
+	/**
+	 * @param array $taxes_rate
+	 * @param int $computation_method (COMBINE_METHOD | ONE_AFTER_ANOTHER_METHOD)
+	 */
+	public function __construct(array $taxes_rate, $computation_method = TaxCalculator::COMBINE_METHOD)
+	{
+		$this->taxes_rate = $taxes_rate;
+		$this->computation_method = (int)$computation_method;
+	}
+
+	/**
+	 * Compute and add the taxes to the specified price
+	 *
+	 * @param price
+	 * @return price with taxes
+	 */
+	public function addTaxes($price)
+	{
+		$total_price = $price;
+		if ($this->computation_method == TaxCalculator::ONE_AFTER_ANOTHER_METHOD)
+		{
+			foreach ($this->taxes_rate as $tax_rate)
+				$total_price = $total_price * (1 + abs($tax_rate) / 100);
+		}
+		else
+		{
+			foreach ($this->taxes_rate as $tax_rate)
+			{
+				if ($tax_rate != 0)
+					$total_price = $total_price + ($price * (abs($tax_rate) / 100));
+			}
+		}
+		return $total_price;
+	}
+
+
+	/**
+	 * Compute and remove the taxes to the specified price
+	 *
+	 * @param price
+	 * @return price without taxes
+	 */
+	public function removeTaxes($price)
+	{
+		$total_price = $price;
+		if ($this->computation_method == TaxCalculator::ONE_AFTER_ANOTHER_METHOD)
+		{
+			foreach ($this->taxes_rate as $tax_rate)
+				$total_price = $total_price / (1 + abs($tax_rate) / 100);
+		}
+		else
+		{
+			$taxes_rate = 0;
+			foreach ($this->taxes_rate as $tax_rate)
+				$taxes_rate += abs($tax_rate);
+
+			$total_price = $total_price / (1 + (abs($taxes_rate) / 100));
+		}
+
+		return $total_price;
+	}
+
+	/**
+	 * @return total taxes rate
+	 */
+	public function getTaxesRate()
+	{
+		$taxes_rate = 0;
+		if ($this->computation_method == TaxCalculator::ONE_AFTER_ANOTHER_METHOD)
+		{
+			$taxes_rate = 1;
+			foreach ($this->taxes_rate as $rate)
+				$taxes_rate *= (1 + (abs($rate) / 100));
+
+			$taxes_rate = $taxes_rate - 1;
+			$taxes_rate = $taxes_rate * 100;
+		}
+		else
+		{
+			foreach ($this->taxes_rate as $rate)
+				$taxes_rate += abs($rate);
+		}
+
+		return $taxes_rate;
+	}
+}
+

classes/tax/TaxManagerFactory.php

@@ -0,0 +1,103 @@
+<?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
+*/
+
+/**
+* @since 1.5
+*/
+class TaxManagerFactoryCore
+{
+	protected static $cache_tax_manager;
+
+	/**
+	* Returns a tax manager able to handle this address
+	*
+	* @param Address $address
+	* @param string $type
+	*
+	* @return TaxManager
+	*/
+	public static function getManager(Address $address, $type)
+	{
+		$cache_id = TaxManagerFactory::getCacheKey($address).'-'.$type;
+		if (!isset(TaxManagerFactory::$cache_tax_manager[$cache_id]))
+		{
+			$tax_manager = TaxManagerFactory::execHookTaxManagerFactory($address, $type);
+			if (!($tax_manager instanceof TaxManagerInterface))
+				$tax_manager = new TaxRulesTaxManager($address, $type);
+
+			TaxManagerFactory::$cache_tax_manager[$cache_id] = $tax_manager;
+		}
+
+		return TaxManagerFactory::$cache_tax_manager[$cache_id];
+	}
+
+	/**
+	* Check for a tax manager able to handle this type of address in the module list
+	*
+	* @param Address $address
+	* @param string $type
+	*
+	* @return TaxManager
+   */
+	public static function execHookTaxManagerFactory(Address $address, $type)
+	{
+		$modules_infos = Hook::getModulesFromHook(Hook::getIdByName('taxManager'));
+		$tax_manager = false;
+
+		foreach ($modules_infos as $module_infos)
+		{
+			$module_instance = Module::getInstanceByName($module_infos['name']);
+			if (is_callable(array($module_instance, 'hookTaxManager')))
+			{
+				$tax_manager = $module_instance->hookTaxManager(array(
+																'address' => $address,
+																'params' => $type
+															));
+			}
+
+			if ($tax_manager)
+				break;
+		}
+
+		return $tax_manager;
+	}
+
+
+	/**
+	* Create a unique identifier for the address
+	* @param Address
+	*/
+	protected static function getCacheKey(Address $address)
+	{
+		return $address->id_country.'-'
+				.(int)$address->id_state.'-'
+				.$address->postcode.'-'
+				.$address->vat_number.'-'
+				.$address->dni;
+	}
+}
+

classes/tax/TaxManagerInterface.php

@@ -0,0 +1,51 @@
+<?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
+*/
+
+
+/**
+* A TaxManager define a way to retrieve tax.
+*/
+interface TaxManagerInterface
+{
+	/**
+	* This method determine if the tax manager is available for the specified address.
+	*
+	* @param Address $address
+	* @param string $type
+	*
+	* @return TaxManager
+   */
+	public static function isAvailableForThisAddress(Address $address);
+
+	/**
+	* Return the tax calculator associated to this address
+	*
+	* @return TaxCalculator
+	*/
+	public function getTaxCalculator();
+}
+

classes/tax/TaxManagerModule.php

@@ -0,0 +1,57 @@
+<?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
+*/
+
+abstract class TaxManagerModuleCore extends Module
+{
+	public $tax_manager_class;
+
+	public function install()
+	{
+		return (parent::install() && $this->registerHook('taxManager') );
+	}
+
+	public function hookTaxManager($args)
+	{
+		$class_file =_PS_MODULE_DIR_.'/'.$this->name.'/'.$this->tax_manager_class.'.php';
+
+		if (!isset($this->tax_manager_class) || !file_exists($class_file))
+			die(Tools::displayError('Incorrect Tax Manager class ['.$this->tax_manager_class.']'));
+
+		require_once($class_file);
+
+		if (!class_exists($this->tax_manager_class))
+			die(Tools::displayError('Tax Manager class not found ['.$this->tax_manager_class.']'));
+
+		$class = $this->tax_manager_class;
+
+		if ($class::isAvailableForThisAddress($args['address']))
+			return new $class();
+
+		return false;
+	}
+}
+

classes/tax/TaxRule.php

@@ -30,13 +30,21 @@ class TaxRuleCore extends ObjectModel
     public $id_tax_rules_group;
     public $id_country;
     public $id_state;
-    public $id_county;
+	 public $zipcode_from;
+	 public $zipcode_to;
     public $id_tax;
-    public $state_behavior;
+	 public $behavior;
-    public $county_behavior;
+	 public $description;
 
  	protected 	$fieldsRequired = array('id_tax_rules_group', 'id_country', 'id_tax');
- 	protected 	$fieldsValidate = array('id_tax_rules_group' => 'isUnsignedId', 'id_country' => 'isUnsignedId', 'id_state' => 'isUnsignedId', 'id_county' => 'isUnsignedId', 'id_tax' => 'isUnsignedId', 'state_behavior' => 'isUnsignedInt', 'county_behavior' => 'isUnsignedInt');
+ 	protected 	$fieldsValidate = array('id_tax_rules_group' => 'isUnsignedId',
+ 												   'id_country' => 'isUnsignedId',
+ 												   'id_state' => 'isUnsignedId',
+ 												   'zipcode_from' => 'isUnsignedId', // TODO: char
+ 												   'zipcode_to' => 'isUnsignedId',	 // TODO: char
+ 												   'id_tax' => 'isUnsignedId',
+ 												   'behavior' => 'isUnsignedInt',
+ 												   'description' => 'isUnsignedInt'); // TODO:char
 
 	protected 	$table = 'tax_rule';
 	protected 	$identifier = 'id_tax_rule';
@@ -47,10 +55,11 @@ class TaxRuleCore extends ObjectModel
       $fields['id_tax_rules_group'] = (int)($this->id_tax_rules_group);
       $fields['id_country'] = (int)$this->id_country;
       $fields['id_state'] = (int)$this->id_state;
-      $fields['id_county'] = (int)$this->id_county;
+      $fields['zipcode_from'] = (int)$this->zipcode_from;
-      $fields['state_behavior'] = (int)$this->state_behavior;
+      $fields['zipcode_to'] = (int)$this->zipcode_to;
-      $fields['county_behavior'] = (int)$this->county_behavior;
+      $fields['behavior'] = (int)$this->behavior;
-	  $fields['id_tax'] = (int)($this->id_tax);
+	   $fields['id_tax'] = (int)($this->id_tax);
+	   $fields['description'] = $this->description;
 
 	  return $fields;
 	}
@@ -66,23 +75,44 @@ class TaxRuleCore extends ObjectModel
         );
     }
 
+    public static function retrieveById($id_tax_rule)
+    {
+    	return Db::getInstance()->getRow('
+    	SELECT * FROM `'._DB_PREFIX_.'tax_rule`
+    	WHERE `id_tax_rule` = '.(int)$id_tax_rule);
+    }
+/*
     public static function getTaxRulesByGroupId($id_group)
     {
         if (empty($id_group))
             die(Tools::displayError());
 
-        $results = Db::getInstance()->ExecuteS('
+        return Db::getInstance()->ExecuteS('
         SELECT *
         FROM `'._DB_PREFIX_.'tax_rule`
         WHERE `id_tax_rules_group` = '.(int)$id_group
         );
+    }*/
 
-        $res = array();
+	public static function getTaxRulesByGroupId($id_lang, $id_group)
-        foreach ($results AS $row)
+	{
-            $res[$row['id_country']][$row['id_state']][$row['id_county']] = array('id_tax' => $row['id_tax'], 'state_behavior' => $row['state_behavior'], 'county_behavior' => $row['county_behavior']);
 
-        return $res;
+
-    }
+		return Db::getInstance()->ExecuteS('
+		SELECT g.`id_tax_rule`,
+				 c.`name` AS country_name,
+				 s.`name` AS state_name,
+				 t.rate,
+				 g.`zipcode_from`, g.`zipcode_to`,
+				 g.`description`,
+				 g.`behavior`
+		FROM `'._DB_PREFIX_.'tax_rule` g
+		LEFT JOIN `'._DB_PREFIX_.'country_lang` c ON (g.`id_country` = c.`id_country` AND id_lang = '.(int)$id_lang.')
+		LEFT JOIN `'._DB_PREFIX_.'state` s ON (g.`id_state` = s.`id_state`)
+		LEFT JOIN `'._DB_PREFIX_.'tax` t ON (g.`id_tax` = t.`id_tax`)
+		WHERE `id_tax_rules_group` = '.(int)$id_group
+		);
+	}
 
     public static function deleteTaxRuleByIdTax($id_tax)
     {
@@ -93,19 +123,57 @@ class TaxRuleCore extends ObjectModel
     }
 
 
+	/**
+	* @deprecated since 1.5
+	*/
 	public static function deleteTaxRuleByIdCounty($id_county)
 	{
-		return Db::getInstance()->Execute('
+		Tools::displayAsDeprecated();
-		DELETE FROM `'._DB_PREFIX_.'tax_rule`
+		return true;
-		WHERE `id_county` = '.(int)$id_county
-		);
 	}
 
+	/**
+	* @param int $id_tax
+	* @return boolean
+	*/
     public static function isTaxInUse($id_tax)
     {
         return Db::getInstance()->getValue('
         SELECT COUNT(*) FROM `'._DB_PREFIX_.'tax_rule` WHERE `id_tax` = '.(int)$id_tax
         );
     }
+
+
+	 /**
+	  * @param string $zipcode a range of zipcode (eg: 75000 / 75000-75015)
+	  * @return array an array containing two zipcode ordered by zipcode
+	  */
+    public function breakDownZipCode($zip_codes)
+	 {
+		$zip_codes = preg_split('/-/', $zip_codes);
+
+		if (sizeof($zip_codes) == 2)
+		{
+			$from = $zip_codes[0];
+			$to   = $zip_codes[1];
+			if ($zip_codes[0] > $zip_codes[1])
+			{
+				$from = $zip_codes[1];
+				$to   = $zip_codes[0];
+			}
+			elseif ($zip_codes[0] == $zip_codes[1])
+			{
+				$from = $zip_codes[0];
+				$to   = 0;
+			}
+		}
+		elseif (sizeof($zip_codes) == 1)
+		{
+			$from = $zip_codes[0];
+			$to = 0;
+		}
+
+		return array($from, $to);
+	}
 }
 

classes/tax/TaxRulesGroup.php

@@ -59,74 +59,19 @@ class TaxRulesGroupCore extends ObjectModel
 	    );
 	}
 
+	/**
+	* @return array an array of tax rules group formatted as $id => $name
+	*/
 	public static function getTaxRulesGroupsForOptions()
 	{
 		$tax_rules[] = array('id_tax_rules_group' => 0, 'name' => Tools::displayError('No tax'));
 		return array_merge($tax_rules, TaxRulesGroup::getTaxRulesGroups());
 	}
 
-	public static function getTaxes($id_tax_rules_group, $id_country, $id_state, $id_county)
-	{
-	    if (empty($id_tax_rules_group) OR empty($id_country))
-	        return array(new Tax()); // No Tax
-
-       if (isset(self::$_taxes[$id_tax_rules_group.'-'.$id_country.'-'.$id_state.'-'.$id_county]))
-            return self::$_taxes[$id_tax_rules_group.'-'.$id_country.'-'.$id_state.'-'.$id_county];
-
-	    $rows = Db::getInstance()->ExecuteS('
-	    SELECT *
-	    FROM `'._DB_PREFIX_.'tax_rule`
-	    WHERE `id_country` = '.(int)$id_country.'
-	    AND `id_tax_rules_group` = '.(int)$id_tax_rules_group.'
-	    AND `id_state` IN (0, '.(int)$id_state.')
-	    AND `id_county` IN (0, '.(int)$id_county.')
-	    ORDER BY `id_county` DESC, `id_state` DESC'
-	    );
-
-
-	    $taxes = array();
-	    foreach ($rows AS $row)
-	    {
-          if ($row['id_county'] != 0)
-          {
-          	switch($row['county_behavior'])
-          	{
-          		case County::USE_BOTH_TAX:
-                 $taxes[] = new Tax($row['id_tax']);
-          		break;
-
-          		case County::USE_COUNTY_TAX:
-                  $taxes = array(new Tax($row['id_tax']));
-          		break 2;
-
-          		case County::USE_STATE_TAX: // do nothing
-          		break;
-          	}
-          }
-	       else if ($row['id_state'] != 0)
-	       {
-	            switch($row['state_behavior'])
-	            {
-	                case PS_STATE_TAX: // use only product tax
-                        $taxes[] = new Tax($row['id_tax']);
-    	                break 2; // switch + foreach
-
-    	            case PS_BOTH_TAX:
-    	                $taxes[] = new Tax($row['id_tax']);
-    	                break;
-
-	                case PS_PRODUCT_TAX: // do nothing use country tax
-	                    break;
-	            }
-	       }
-	       else
-	            $taxes[] = new Tax((int)$row['id_tax']);
-	    }
-
-	    self::$_taxes[$id_tax_rules_group.'-'.$id_country.'-'.$id_state.'-'.$id_county] = $taxes;
-       return $taxes;
-	}
 
+	/**
+	* @return array
+	*/
 	public static function getAssociatedTaxRatesByIdCountry($id_country)
 	{
 	    $rows = Db::getInstance()->ExecuteS('
@@ -136,7 +81,7 @@ class TaxRulesGroupCore extends ObjectModel
 	    LEFT JOIN `'._DB_PREFIX_.'tax` t ON (t.`id_tax` = tr.`id_tax`)
 	    WHERE tr.`id_country` = '.(int)$id_country.'
 	    AND tr.`id_state` = 0
-	    AND tr.`id_county` = 0'
+	    AND 0 between `zipcode_from` AND `zipcode_to`'
 	    );
 
 	    $res = array();
@@ -146,15 +91,12 @@ class TaxRulesGroupCore extends ObjectModel
 	    return $res;
 	}
 
-	public static function getTaxesRate($id_tax_rules_group, $id_country, $id_state, $id_county)
+	/**
-	{
+	* Returns the tax rules group id corresponding to the name
-	    $rate = 0;
+	*
-	    foreach (TaxRulesGroup::getTaxes($id_tax_rules_group, $id_country, $id_state, $id_county) AS $tax)
+	* @param string name
-	        $rate += (float)$tax->rate;
+	* @return int id of the tax rules
-
+	*/
-	    return $rate;
-	}
-
 	public static function getIdByName($name)
 	{
 	    return Db::getInstance()->getValue(
@@ -163,4 +105,29 @@ class TaxRulesGroupCore extends ObjectModel
 	    WHERE `name` = \''.pSQL($name).'\''
 	    );
 	}
+
+	/**
+	* @deprecated since 1.5
+	*/
+	public static function getTaxesRate($id_tax_rules_group, $id_country, $id_state, $zipcode)
+	{
+		Tools::displayAsDeprecated();
+	    $rate = 0;
+	    foreach (TaxRulesGroup::getTaxes($id_tax_rules_group, $id_country, $id_state, $zipcode) AS $tax)
+	        $rate += (float)$tax->rate;
+
+	    return $rate;
+	}
+
+	/**
+	 * Return taxes associated to this para
+	 * @deprecated since 1.5
+	 */
+	public static function getTaxes($id_tax_rules_group, $id_country, $id_state, $id_county)
+	{
+		Tools::displayAsDeprecated();
+		return array();
+	}
+
 }
+

classes/tax/TaxRulesTaxManager.php

@@ -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;
+	}
+}
+

controllers/ProductController.php

@@ -189,7 +189,7 @@ class ProductControllerCore extends FrontController
 				$id_country = (int)($id_customer ? Customer::getCurrentCountry($id_customer) : Configuration::get('PS_COUNTRY_DEFAULT'));
 
 				// Tax
-				$tax = (float)(Tax::getProductTaxRate((int)$this->product->id, $this->context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
+				$tax = (float)$this->product->getTaxesRate(new Address((int)$this->context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
 				$this->context->smarty->assign('tax_rate', $tax);
 
 				$productPriceWithTax = Product::getPriceStatic($this->product->id, true, NULL, 6);

install-dev/php/remove_tab.php

@@ -0,0 +1,11 @@
+<?php
+
+
+function remove_tab($tabname)
+{
+	Db::getInstance()->Execute('
+	DELETE t, l
+	FROM `ps_tab` t LEFT JOIN `PREFIX_tab_lang` l ON (t.id_tab = l.id_tab)
+	WHERE t.`class_name` = '.pSQL($tabname));
+}
+

install-dev/php/update_tax_rules.php

@@ -0,0 +1,48 @@
+<?php
+
+
+function update_tax_rules()
+{
+	// Add new columns
+	Db::getInstance()->Execute('
+	ALTER TABLE `'._DB_PREFIX_.'tax_rule`
+		ADD `zipcode_from` INT NOT NULL AFTER `id_state` ,
+		ADD `zipcode_to` INT NOT NULL AFTER `zipcode_from` ,
+		ADD `behavior` INT NOT NULL AFTER `zipcode_to`,
+		ADD `description` VARCHAR( 100 ) NOT NULL AFTER `id_tax`;
+	');
+
+	// Drop integrity constraint
+	Db::getInstance()->Execute('
+	ALTER TABLE `'._DB_PREFIX_.'tax_rule` DROP INDEX tax_rule
+	');
+
+	// Create new format rules
+	Db::getInstance()->Execute('
+	INSERT INTO `'._DB_PREFIX_.'tax_rule` (`id_tax_rules_group`, `id_country`, `id_state`, `id_tax`, `behavior`, `zipcode_from`, `zipcode_to`)
+	SELECT r.`id_tax_rules_group`, r.`id_country`, r.`id_state`, r.`id_tax`, 0, z.`from_zip_code`, z.`to_zip_code`
+	FROM `'._DB_PREFIX_.'tax_rule` r INNER JOIN `'._DB_PREFIX_.'county_zip_code` z ON (z.`id_county` = r.`id_county`)
+	');
+
+	// update behavior
+	Db::getInstance()->Execute('
+	UPDATE `'._DB_PREFIX_.'tax_rule` SET `behavior` = GREATEST(`state_behavior`, `county_behavior`);
+	');
+
+
+	// Clean old entries
+	Db::getInstance()->Execute('
+	DELETE FROM `'._DB_PREFIX_.'tax_rule`
+	WHERE `id_county` != 0
+	AND `zipcode_from` = 0
+	');
+
+	// Remove old columns
+	Db::getInstance()->Execute('
+	ALTER TABLE `'._DB_PREFIX_.'tax_rule`
+	  DROP `id_county`,
+	  DROP `state_behavior`,
+	  DROP `county_behavior`
+  ');
+}
+

install-dev/sql/db.sql

@@ -1637,14 +1637,14 @@ CREATE TABLE `PREFIX_tax_rule` (
   `id_tax_rules_group` int(11) NOT NULL,
   `id_country` int(11) NOT NULL,
   `id_state` int(11) NOT NULL,
-  `id_county` int(11) NOT NULL,
+  `zipcode_from` INT NOT NULL,
+  `zipcode_to` INT NOT NULL,
   `id_tax` int(11) NOT NULL,
-  `state_behavior` int(11) NOT NULL,
+  `behavior` int(11) NOT NULL,
-  `county_behavior` int(11) NOT NULL,
+  `description` VARCHAR( 100 ) NOT NULL,
   PRIMARY KEY (`id_tax_rule`),
   KEY `id_tax_rules_group` (`id_tax_rules_group`),
-  KEY `id_tax` (`id_tax`),
+  KEY `id_tax` (`id_tax`)
-  UNIQUE KEY `tax_rule` (`id_tax_rules_group`, `id_country`, `id_state`, `id_county`)
 ) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8;
 
 CREATE TABLE `PREFIX_tax_rules_group` (
@@ -1688,23 +1688,6 @@ CREATE TABLE `PREFIX_import_match` (
   PRIMARY KEY (`id_import_match`)
 ) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
 
-
-CREATE TABLE `PREFIX_county` (
-  `id_county` int(11) NOT NULL AUTO_INCREMENT,
-  `name` varchar(64) NOT NULL,
-  `id_state` int(11) NOT NULL,
-  `active` tinyint(1) NOT NULL,
-  PRIMARY KEY (`id_county`)
-) ENGINE=ENGINE_TYPE DEFAULT CHARSET=utf8 ;
-
-
-CREATE TABLE `PREFIX_county_zip_code` (
-	`id_county` INT NOT NULL ,
-	`from_zip_code` INT NOT NULL ,
-	`to_zip_code` INT NOT NULL ,
-	PRIMARY KEY ( `id_county` , `from_zip_code` , `to_zip_code` )
-) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
-
 CREATE TABLE `PREFIX_address_format` (
   `id_country` int(10) unsigned NOT NULL,
   `format` varchar(255) NOT NULL DEFAULT '',

install-dev/sql/db_settings_lite.sql

@@ -66,7 +66,8 @@ INSERT INTO `PREFIX_hook` (`id_hook`, `name`, `title`, `description`, `position`
 (63, 'beforeAuthentication', 'Before Authentication', 'Before authentication', 0, 0),
 (64, 'paymentTop', 'Top of payment page', 'Top of payment page', 0, 0),
 (65, 'afterCreateHtaccess', 'After htaccess creation', 'After htaccess creation', 0, 0),
-(66, 'afterSaveAdminMeta', 'After save configuration in AdminMeta', 'After save configuration in AdminMeta', 0, 0);
+(66, 'afterSaveAdminMeta', 'After save configuration in AdminMeta', 'After save configuration in AdminMeta', 0, 0),
+(67, 'taxManager', 'Tax Manager Factory', '' , 0, 0);
 
 INSERT INTO `PREFIX_configuration` (`id_configuration`, `name`, `value`, `date_add`, `date_upd`) VALUES
 (1, 'PS_LANG_DEFAULT', '1', NOW(), NOW()),
@@ -1199,3 +1200,4 @@ postcode city
 State:name
 Country:name
 phone' where `id_country`=10;
+

install-dev/sql/upgrade/1.5.0.1.sql

@@ -23,3 +23,19 @@ INSERT INTO `PREFIX_module_access` (`id_profile`, `id_module`, `configure`, `vie
 );
 
 UPDATE `PREFIX_tab` SET `class_name` = 'AdminThemes' WHERE `class_name` = 'AdminAppearance';
+
+INSERT INTO `PREFIX_hook` (
+`name` ,
+`title` ,
+`description` ,
+`position` ,
+`live_edit`
+)
+VALUES ('taxmanager', 'taxmanager', NULL , '1', '0');
+
+/* PHP:update_tax_rules(); */;
+
+/* PHP:remove_tab(AdminCounty); */;
+DROP TABLE `PREFIX_county_zip_code`;
+DROP TABLE `PREFIX_county`;
+

install-dev/xml/doUpgrade.php

@@ -133,6 +133,10 @@ require_once(_PS_INSTALLER_PHP_UPGRADE_DIR_.'create_multistore.php');
 
 require_once(_PS_INSTALLER_PHP_UPGRADE_DIR_.'add_order_state.php');
 
+require_once(_PS_INSTALLER_PHP_UPGRADE_DIR_.'update_tax_rules.php');
+
+require_once(_PS_INSTALLER_PHP_UPGRADE_DIR_.'remove_tab.php');
+
 //old version detection
 global $oldversion, $logger;
 $oldversion = false;

modules/vatnumber/VATNumberTaxManager.php

@@ -0,0 +1,43 @@
+<?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 VATNumberTaxManager implements TaxManagerInterface
+{
+	public static function isAvailableForThisAddress(Address $address)
+	{
+		return (!empty($address->vat_number)
+					AND $address->id_country != Configuration::get('VATNUMBER_COUNTRY')
+					AND Configuration::get('VATNUMBER_MANAGEMENT'));
+	}
+
+	public function getTaxCalculator()
+	{
+		// No tax
+		return new TaxCalculator(array(0));
+	}
+}
+

modules/vatnumber/vatnumber.php

@@ -28,7 +28,7 @@
 if (!defined('_PS_VERSION_'))
 	exit;
 
-class VatNumber extends Module
+class VatNumber extends TaxManagerModule
 {
 	public function __construct()
 	{
@@ -38,6 +38,8 @@ class VatNumber extends Module
 		$this->author = 'PrestaShop';
 		$this->need_instance = 0;
 
+		$this->tax_manager_class = 'VATNumberTaxManager';
+
 		parent::__construct();
 
 		$this->displayName = $this->l('European VAT number');
@@ -179,5 +181,3 @@ class VatNumber extends Module
 		return $echo;
 	}
 }
-
-