Now calculating the tax class for products

app/addons/paynl_addon/addon.xml

@@ -3,7 +3,7 @@
 	<id>paynl_addon</id>
 	<name>pay.nl</name>
 	<description>Pay.nl Gateway addon</description>
-	<version>1.0.7</version>
+	<version>1.0.8</version>
 	<priority>1000</priority>
         <settings layout="separate">
           <sections>

app/addons/paynl_addon/func.php

@@ -4,29 +4,32 @@
 
 require_once(dirname(__FILE__) . '/paynl/classes/Autoload.php');
 
-function fn_getCredential($var) {
+function fn_getCredential($var)
+{
     $paynl_setting = Registry::get('addons.paynl_addon');
     return array('token_api' => $paynl_setting['token_api'],
         'service_id' => $paynl_setting['service_id']);
 }
 
-function fn_get_ideal_banks($processor_data) {
-
+function fn_get_ideal_banks($processor_data)
+{
+
     $service = new Pay_Api_Getservice();
     $service->setApiToken($processor_data['processor_params']['token_api']);
     $service->setServiceId($processor_data['processor_params']['service_id']);
     try {
         $result = $service->doRequest();
         $banks = $result['paymentOptions'][$processor_data['processor_params']['optionId']]['paymentOptionSubList'];
-        
+
         return $banks;
     } catch (Exception $ex) {
         fn_set_notification('E', __('error'), $ex->getMessage());
-      
+
     }
 }
 
-function fn_getPaynlOptionId($var) {
+function fn_getPaynlOptionId($var)
+{
     $paynl_setting = Registry::get('addons.paynl_addon');
     $service = new Pay_Api_Getservice();
     $service->setApiToken($paynl_setting['token_api']);
@@ -40,7 +43,9 @@ function fn_getPaynlOptionId($var) {
 
     return $result['paymentOptions'];
 }
-function fn_paynl_getInfo($payNLTransactionID, $processor_data){
+
+function fn_paynl_getInfo($payNLTransactionID, $processor_data)
+{
     $payApiInfo = new Pay_Api_Info();
     $payApiInfo->setApiToken($processor_data['processor_params']['token_api']);
     $payApiInfo->setServiceId($processor_data['processor_params']['service_id']);
@@ -53,7 +58,9 @@ function fn_paynl_getInfo($payNLTransactionID, $processor_data){
     }
     return $result;
 }
-function fn_paynl_getState($payNLTransactionID, $processor_data) {
+
+function fn_paynl_getState($payNLTransactionID, $processor_data)
+{
     $payApiInfo = new Pay_Api_Info();
     $payApiInfo->setApiToken($processor_data['processor_params']['token_api']);
     $payApiInfo->setServiceId($processor_data['processor_params']['service_id']);
@@ -68,50 +75,57 @@ function fn_paynl_getState($payNLTransactionID, $processor_data) {
     return $state;
 }
 
-function fn_paynl_startTransaction($order_id, $order_info, $processor_data, $exchangeUrl, $finishUrl, $paymentOptionSubId = null) {
+function fn_paynl_startTransaction($order_id, $order_info, $processor_data, $exchangeUrl, $finishUrl, $paymentOptionSubId = null)
+{
     $paynl_setting = Registry::get('addons.paynl_addon');
     $currency = CART_PRIMARY_CURRENCY;
     $payNL = new Pay_Api_Start();
     $payNL->setApiToken($processor_data['processor_params']['token_api']);
     $payNL->setServiceId($processor_data['processor_params']['service_id']);
     $payNL->setAmount(floatval($order_info['total']) * 100);
     $payNL->setPaymentOptionId($processor_data['processor_params']['optionId']);
-    
-    if(!empty($paymentOptionSubId)){
+
+    if (!empty($paymentOptionSubId)) {
         $payNL->setPaymentOptionSubId($paymentOptionSubId);
     }
-    
+
     $payNL->setExchangeUrl($exchangeUrl);
     $payNL->setCurrency($currency);
     $payNL->setFinishUrl($finishUrl);
     $payNL->setDescription($order_info['order_id']);
-    
+
     $s_address = splitAddress(trim($order_info['s_address'] . ' ' . $order_info['s_address_2']));
     $b_address = splitAddress(trim($order_info['b_address'] . ' ' . $order_info['b_address_2']));
     $payNL->setEnduser(array('accessCode' => $order_info['user_id'],
-        'language' => $order_info['lang_code'],
-        'initials' => $order_info['s_firstname'],
-        'lastName' => $order_info['s_lastname'],
-        'phoneNumber' => $order_info['s_phone'],
-        'dob' => $order_info['birthday'],
-        'emailAddress' => $order_info['email'],
-        'address' => array('streetName' => $s_address[0],
-            'streetNumber' => substr($s_address[1], 0, 4),
-            'zipCode' => $order_info['s_zipcode'],
-            'city' => $order_info['s_city'],
-            'countryCode' => $order_info['s_country']),
-        'invoiceAddress' => array('initials' => $order_info['b_firstname'],
-            'lastname' => $order_info['b_lastname'],
-            'streetName' => $b_address[0],
-            'streetNumber' => substr($b_address[1], 0, 4),
-            'zipCode' => $order_info['b_zipcode'],
-            'city' => $order_info['b_city'],
-            'countryCode' => $order_info['b_country']))
+            'language' => $order_info['lang_code'],
+            'initials' => $order_info['s_firstname'],
+            'lastName' => $order_info['s_lastname'],
+            'phoneNumber' => $order_info['s_phone'],
+            'dob' => $order_info['birthday'],
+            'emailAddress' => $order_info['email'],
+            'address' => array('streetName' => $s_address[0],
+                'streetNumber' => substr($s_address[1], 0, 4),
+                'zipCode' => $order_info['s_zipcode'],
+                'city' => $order_info['s_city'],
+                'countryCode' => $order_info['s_country']),
+            'invoiceAddress' => array('initials' => $order_info['b_firstname'],
+                'lastname' => $order_info['b_lastname'],
+                'streetName' => $b_address[0],
+                'streetNumber' => substr($b_address[1], 0, 4),
+                'zipCode' => $order_info['b_zipcode'],
+                'city' => $order_info['b_city'],
+                'countryCode' => $order_info['b_country']))
     );
     $payNL->setExtra1($order_id);
 
     foreach ($order_info['products'] as $key => $product) {
-        $payNL->addProduct($product['product_id'], $product['product'], floatval($product['price']) * 100, $product['amount'], 'H');
+        $payNL->addProduct(
+            $product['product_id'],
+            $product['product'],
+            floatval($product['price']) * 100,
+            $product['amount'],
+            paynl_getTaxClassForItem($order_info, $key)
+        );
     }
 
     if (isset($order_info['subtotal_discount']) && $order_info['subtotal_discount'] > 0)
@@ -151,7 +165,8 @@ function fn_paynl_startTransaction($order_id, $order_info, $processor_data, $exc
     }
 }
 
-function splitAddress($strAddress) {
+function splitAddress($strAddress)
+{
     $strAddress = trim($strAddress);
     $a = preg_split('/([0-9]+)/', $strAddress, 2, PREG_SPLIT_DELIM_CAPTURE);
     $strStreetName = trim(array_shift($a));
@@ -167,4 +182,50 @@ function splitAddress($strAddress) {
     return array($strStreetName, $strStreetNumber);
 }
 
-?>
+function paynl_getTaxClassForItem($order_info, $item_id)
+{
+    foreach ($order_info['taxes'] as $tax_rule) {
+        if (
+            array_key_exists($item_id, $tax_rule['applies']['items']['P']) &&
+            $tax_rule['applies']['items']['P'][$item_id] === true
+        ) {
+            $percentage = floatval($tax_rule['rate_value']);
+            return paynl_getTaxClass($percentage);
+        }
+        return null;
+    }
+}
+
+function paynl_getTaxClass($percentage)
+{
+    $taxClasses = array(
+        0 => 'N',
+        6 => 'L',
+        21 => 'H'
+    );
+    $nearestTaxRate = paynl_nearest($percentage, array_keys($taxClasses));
+    return ($taxClasses[$nearestTaxRate]);
+}
+
+/**
+ * Get the nearest number
+ *
+ * @param int $number
+ * @param array $numbers
+ * @return int|bool nearest number false on error
+ */
+function paynl_nearest($number, $numbers)
+{
+    $output = FALSE;
+    $number = intval($number);
+    if (is_array($numbers) && count($numbers) >= 1) {
+        $NDat = array();
+        foreach ($numbers as $n) {
+            $NDat[abs($number - $n)] = $n;
+        }
+        ksort($NDat);
+        $NDat = array_values($NDat);
+        $output = $NDat[0];
+    }
+    return $output;
+}