orders_tag_processor.php
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Created: Thu, Sep 4, 6:30 AM

orders_tag_processor.php
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	<?php
	/**
	* @version $Id: orders_tag_processor.php 14257 2011-03-16 21:41:19Z alex $
	* @package In-Commerce
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license Commercial License
	* This software is protected by copyright law and international treaties.
	* Unauthorized reproduction or unlicensed usage of the code of this program,
	* or any portion of it may result in severe civil and criminal penalties,
	* and will be prosecuted to the maximum extent possible under the law
	* See http://www.in-portal.org/commercial-license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class OrdersTagProcessor extends kDBTagProcessor
	{

	/**
	* Print location using only filled in fields
	*
	* @param Array $params
	* @access public
	*/
	function PrintLocation($params)
	{
	$object =& $this->getObject($params);

	$type = getArrayValue($params,'type');
	if($type == 'Company')
	{
	return $this->PrintCompanyLocation($params);
	}
	$fields = Array('City','State','Zip','Country');

	$ret = '';
	foreach($fields as $field)
	{
	$value = $object->GetField($type.$field);
	if ($field == 'Country' && $value) $ret .= '<br/>';
	if($value) $ret .= $value.', ';
	}
	return rtrim($ret,', ');
	}

	function PrintCompanyLocation($params)
	{
	$ret = '';
	$fields = Array ('City','State','ZIP','Country');

	foreach ($fields as $field) {
	$value = $this->Application->ConfigValue('Comm_'.$field);
	if ($field == 'Country') {
	$current_language = $this->Application->GetVar('m_lang');
	$primary_language = $this->Application->GetDefaultLanguageId();

	$sql = 'SELECT IF(l' . $current_language . '_Name = "", l' . $primary_language . '_Name, l' . $current_language . '_Name)
	FROM ' . TABLE_PREFIX . 'CountryStates
	WHERE IsoCode = ' . $this->Conn->qstr($value);
	$value = $this->Conn->GetOne($sql);
	}

	if ($field == 'Country' && $value) {
	$ret .= '<br/>';
	}

	if ($value) {
	$ret .= $value.', ';
	}
	}

	return rtrim($ret,', ');
	}

	function Orditems_LinkRemoveFromCart($params)
	{
	return $this->Application->HREF($this->Application->GetVar('t'), '', Array('pass' => 'm,orditems,ord', 'ord_event' => 'OnRemoveFromCart', 'm_cat_id'=>0));
	}

	function Orderitems_ProductLink($params)
	{
	$object =& $this->Application->recallObject('orditems');

	$url_params = Array (
	'p_id' => $object->GetDBField('ProductId'),
	'pass' => 'm,p',
	);

	return $this->Application->HREF($params['template'], '', $url_params);
	}

	function Orderitems_ProductExists($params)
	{
	$object =& $this->Application->recallObject('orditems');
	return $object->GetDBField('ProductId') > 0;
	}

	function PrintCart($params)
	{
	$o = '';

	$params['render_as'] = $params['item_render_as'];
	$tag_params = array_merge($params, Array ('per_page' => -1));

	$o_items = $this->Application->ProcessParsedTag(rtrim('orditems.'.$this->Special, '.'), 'PrintList', $tag_params);

	if ($o_items) {
	$cart_params = array('name' => $params['header_render_as']);
	$o = $this->Application->ParseBlock($cart_params);
	$o .= $o_items;
	$cart_params = array('name' => $params['footer_render_as']);
	$o .= $this->Application->ParseBlock($cart_params);
	} else {
	$cart_params = array('name' => $params['empty_cart_render_as']);
	$o = $this->Application->ParseBlock($cart_params);
	}

	return $o;
	}

	function ShopCartForm($params)
	{
	return $this->Application->ProcessParsedTag('m', 'ParseBlock', array_merge($params, Array(
	'name' => 'kernel_form', 'PrefixSpecial'=>'ord'
	)) );
	}

	function BackOrderFlag($params)
	{
	$object =& $this->Application->recallObject('orditems');
	return $object->GetDBField('BackOrderFlag');
	}

	function OrderIcon($params)
	{
	$object =& $this->Application->recallObject('orditems');
	if ($object->GetDBField('BackOrderFlag') == 0) {
	return $params['ordericon'];
	} else {
	return $params['backordericon'];
	}
	}

	function Status($params)
	{
	$status_map = Array(
	'incomplete' => ORDER_STATUS_INCOMPLETE,
	'pending' => ORDER_STATUS_PENDING,
	'backorder' => ORDER_STATUS_BACKORDERS,
	'toship' => ORDER_STATUS_TOSHIP,
	'processed' => ORDER_STATUS_PROCESSED,
	'denied' => ORDER_STATUS_DENIED,
	'archived' => ORDER_STATUS_ARCHIVED,
	);

	$object =& $this->getObject($params);
	$status = $object->GetDBField('Status');

	$result = true;
	if (isset($params['is'])) {
	$result = $result && ($status == $status_map[$params['is']]);
	}
	if (isset($params['is_not'])) {
	$result = $result && ($status != $status_map[$params['is_not']]);
	}
	return $result;
	}

	function ItemsInCart($params)
	{
	$object =& $this->getObject($params);
	if ($object->GetDBField('Status') != ORDER_STATUS_INCOMPLETE \|\| $object->GetID() == FAKE_ORDER_ID) {
	return 0;
	}

	$object =& $this->Application->recallObject('orditems', 'orditems_List');
	/* @var $object kDBList */

	return $object->RecordsCount;
	}

	function CartNotEmpty($params)
	{
	$object =& $this->getObject($params);

	if ($object->GetDBField('Status') != ORDER_STATUS_INCOMPLETE \|\| $object->GetID() == FAKE_ORDER_ID) {
	return 0;
	}

	$order_id = $this->Application->RecallVar('ord_id');
	if ($order_id) {
	$sql = 'SELECT COUNT(*)
	FROM ' . TABLE_PREFIX . 'OrderItems
	WHERE OrderId = ' . $order_id;
	return $this->Conn->GetOne($sql);
	}

	return 0;
	}

	function CartIsEmpty($params)
	{
	return $this->CartNotEmpty($params) ? false : true;
	}

	function CartHasBackorders($params)
	{
	$object =& $this->getObject($params);

	$sql = 'SELECT COUNT(*)
	FROM ' . TABLE_PREFIX . 'OrderItems
	WHERE OrderId = ' . $object->GetID() . '
	GROUP BY BackOrderFlag';
	$different_types = $this->Conn->GetCol($sql);

	return count($different_types) > 1;
	}

	function PrintShippings($params)
	{
	$o = '';
	$object =& $this->getObject($params);
	$ord_id = $object->GetId();

	$shipping_option = $object->GetDBField('ShippingOption');
	$backorder_select = $shipping_option == 0 ? '0 As BackOrderFlag' : 'BackOrderFlag';

	$order_items =& $this->Application->recallObject('orditems', 'orditems_List', Array('skip_autoload' => true) );
	$oi_table = $order_items->TableName;

	list($split_shipments, $limit_types) = $this->GetShippingLimitations($ord_id);
	foreach ($split_shipments as $group => $data)
	{
	$query = 'UPDATE '.$oi_table.' SET SplitShippingGroup = '.$group.'
	WHERE ProductId IN ('.implode(',', $data['Products']).')';
	$this->Conn->Query($query);
	$limitations_cache[$group] = $data['Types'];
	}

	$shipping_group_option = $object->GetDBField('ShippingGroupOption');
	$shipping_group_select = $shipping_group_option == 0 ? '0 AS SplitShippingGroup' : 'SplitShippingGroup';
	if (count($split_shipments) > 1) {
	$this->Application->SetVar('shipping_limitations_apply', 1);
	// different shipping limitations apply
	if ($limit_types == 'NONE') {
	// order can't be shipped with single shipping type
	$this->Application->SetVar('shipping_limitations_apply', 2);
	$shipping_group_select = 'SplitShippingGroup';
	$shipping_group_option = 1;
	}
	}
	else {
	$this->Application->SetVar('shipping_limitations_apply', 0);
	}

	$weight_sql = 'IF(oi.Weight IS NULL, 0, oi.Weight * oi.Quantity)';

	$query = 'SELECT
	'.$backorder_select.',
	oi.ProductName,
	oi.ShippingTypeId,
	SUM(oi.Quantity) AS TotalItems,
	SUM('.$weight_sql.') AS TotalWeight,
	SUM(oi.Price * oi.Quantity) AS TotalAmount,'.
	// calculate free Totals => SUM(ALL) - SUM(PROMO) '
	'SUM(oi.Quantity) - SUM(IF(p.MinQtyFreePromoShipping > 0 AND p.MinQtyFreePromoShipping <= oi.Quantity, oi.Quantity, 0)) AS TotalItemsPromo,
	SUM('.$weight_sql.') - SUM(IF(p.MinQtyFreePromoShipping > 0 AND p.MinQtyFreePromoShipping <= oi.Quantity, '.$weight_sql.', 0)) AS TotalWeightPromo,
	SUM(oi.Price * oi.Quantity) - SUM(IF(p.MinQtyFreePromoShipping > 0 AND p.MinQtyFreePromoShipping <= oi.Quantity, oi.Price * oi.Quantity, 0)) AS TotalAmountPromo,
	'.$shipping_group_select.'
	FROM '.$oi_table.' oi
	LEFT JOIN '.$this->Application->getUnitOption('p', 'TableName').' p
	ON oi.ProductId = p.ProductId
	WHERE oi.OrderId = '.$ord_id.' AND p.Type = 1
	GROUP BY BackOrderFlag, SplitShippingGroup
	ORDER BY BackOrderFlag ASC, SplitShippingGroup ASC';
	$shipments = $this->Conn->Query($query);

	$block_params = Array();
	$block_params['name'] = $this->SelectParam($params, 'render_as,block');
	$block_params['user_country_id'] = $object->GetDBField('ShippingCountry');
	$block_params['user_state_id'] = $object->GetDBField('ShippingState');
	$block_params['user_zip'] = $object->GetDBField('ShippingZip');
	$block_params['user_city'] = $object->GetDBField('ShippingCity');
	$block_params['user_addr1'] = $object->GetDBField('ShippingAddress1');
	$block_params['user_addr2'] = $object->GetDBField('ShippingAddress2');
	$block_params['user_name'] = $object->GetDBField('ShippingTo');

	if( ($block_params['user_addr1'] == '' \|\| $block_params['user_city'] == '' \|\|
	$block_params['user_zip'] == '' \|\| $block_params['user_country_id'] == '') &&
	getArrayValue($params, 'invalid_address_render_as'))
	{
	$block_params['name'] = $params['invalid_address_render_as'];
	return $this->Application->ParseBlock($block_params);
	}

	$group = 1;
	foreach ($shipments as $shipment) {
	$where = array('OrderId = '.$ord_id);
	if ($shipping_group_option != 0) {
	$where[] = 'SplitShippingGroup = '.$shipment['SplitShippingGroup'];
	}
	if ($shipping_option > 0) { // not all together
	$where[] = 'BackOrderFlag = '.$shipment['BackOrderFlag'];
	}

	$query = 'UPDATE '.$oi_table.' SET PackageNum = '.$group.'
	'.($where ? 'WHERE '.implode(' AND ', $where) : '');
	$this->Conn->Query($query);
	$group++;
	}

	$this->Application->RemoveVar('LastShippings');
	$group = 1;
	$this->Application->SetVar('ShipmentsExists', 1);
	foreach ($shipments as $shipment) {


	$block_params['package_num'] = $group;

	$block_params['limit_types'] = strpos($shipping_group_select, '0 AS') !== false ? $limit_types : $limitations_cache[$shipment['SplitShippingGroup']];

	$this->Application->SetVar('ItemShipmentsExists', 1);

	switch ($shipment['BackOrderFlag']) {
	case 0:
	if ( $this->CartHasBackOrders(Array()) && $shipping_option == 0 ) {
	$block_params['shipment'] = $this->Application->Phrase('lu_all_available_backordered');
	}
	else {
	$block_params['shipment'] = $this->Application->Phrase('lu_ship_all_available');;
	}
	break;
	case 1:
	$block_params['shipment'] = $this->Application->Phrase('lu_ship_all_backordered');;
	break;
	default:
	$block_params['shipment'] = $this->Application->Phrase('lu_ship_backordered');
	break;
	}

	$block_params['promo_weight_metric'] = $shipment['TotalWeightPromo'];
	$block_params['promo_amount'] = $shipment['TotalAmountPromo'];
	$block_params['promo_items'] = $shipment['TotalItemsPromo'];

	$block_params['weight_metric'] = $shipment['TotalWeight'];
	$block_params['weight'] = $shipment['TotalWeight'];

	$regional =& $this->Application->recallObject('lang.current');
	if ($block_params['weight_metric'] == '')
	{
	$block_params['weight'] = $this->Application->Phrase('lu_NotAvailable');
	}
	elseif ($regional->GetDBField('UnitSystem') == 1)
	{
	$block_params['weight'] .= ' '.$this->Application->Phrase('lu_kg');
	}
	elseif ($regional->GetDBField('UnitSystem') == 2)
	{
	list($pounds, $ounces) = Kg2Pounds($block_params['weight']);
	$block_params['weight'] = $pounds.' '.$this->Application->Phrase('lu_pounds').' '.
	$ounces.' '.$this->Application->Phrase('lu_ounces');
	}

	$block_params['items'] = $shipment['TotalItems'];

	$iso = $this->GetISO($params['currency']);
	$amount = $this->ConvertCurrency($shipment['TotalAmount'], $iso);
	$amount = sprintf("%.2f", $amount);

	// $block_params['amount'] = $this->AddCurrencySymbol($amount, $iso);
	$block_params['amount'] = $shipment['TotalAmount'];
	$block_params['field_name'] = $this->InputName(Array('field' => 'ShippingTypeId')).'['.($group).']';

	$parsed_block = $this->Application->ParseBlock($block_params);

	if($this->Application->GetVar('ItemShipmentsExists'))
	{
	$o .= $parsed_block;
	}
	else
	{
	$this->Application->SetVar('ShipmentsExists', 0);
	if(getArrayValue($params, 'no_shipments_render_as'))
	{
	$block_params['name'] = $params['no_shipments_render_as'];
	return $this->Application->ParseBlock($block_params);
	}
	}
	$group++;
	}

	if(getArrayValue($params, 'table_header_render_as'))
	{
	$o = $this->Application->ParseBlock( Array('name' => $params['table_header_render_as']) ).$o;
	}
	if(getArrayValue($params, 'table_footer_render_as'))
	{
	$o .= $this->Application->ParseBlock( Array('name' => $params['table_footer_render_as']) );
	}

	return $o;
	}

	function GetShippingLimitations($ord_id)
	{
	/*$query = 'SELECT
	c.CachedShippingLimitation
	FROM '.TABLE_PREFIX.'OrderItems AS oi
	LEFT JOIN '.TABLE_PREFIX.'Products AS p
	ON p.ProductId = oi.ProductId
	LEFT JOIN '.TABLE_PREFIX.'CategoryItems AS ci
	ON ci.ItemResourceId = p.ResourceId
	LEFT JOIN '.TABLE_PREFIX.'Category AS c
	ON c.CategoryId = ci.CategoryId
	WHERE
	oi.OrderId = '.$ord_id.'
	AND
	ci.PrimaryCat = 1
	AND
	c.CachedShippingMode = 1;';
	$cat_limitations = $this->Conn->GetCol($query);*/
	$cat_limitations = array();

	$query = 'SELECT ShippingLimitation, ShippingMode, oi.ProductId as ProductId
	FROM '.TABLE_PREFIX.'Products AS p
	LEFT JOIN '.TABLE_PREFIX.'OrderItems AS oi ON
	oi.ProductId = p.ProductId
	WHERE oi.OrderId = '.$ord_id.' AND p.Type = 1'; // .' AND p.ShippingMode = 1';
	$limitations = $this->Conn->Query($query, 'ProductId');

	$split_shipments = array();

	$limit = false;

	$types_index = array();

	// group products by shipping type range and caculate intersection of all types available for ALL products
	// the intersaction caclulation is needed to determine if the order can be shipped with single type or not
	if ($limitations) {
	$limit_types = null;
	foreach ($limitations as $product_id => $row)
	{
	// if shipping types are limited - get the types
	$types = $row['ShippingLimitation'] != '' ? explode('\|', substr($row['ShippingLimitation'], 1, -1)) : array('ANY');
	// if shipping is NOT limited to selected types (default - so products with no limitations at all also counts)
	if ($row['ShippingMode'] == 0) {
	array_push($types, 'ANY'); // can be shipped with ANY (literally) type
	$types = array_unique($types);
	}
	//adding product id to split_shipments group by types range
	$i = array_search(serialize($types), $types_index);
	if ($i === false) {
	$types_index[] = serialize($types);
	$i = count($types_index)-1;
	}
	$split_shipments[$i]['Products'][] = $product_id;
	$split_shipments[$i]['Types'] = serialize($types);
	if ($limit_types == null) { //it is null only when we process first item with limitations
	$limit_types = $types; //initial scope
	}

	// this is to avoid ANY intersect CUST_1 = (), but allows ANY intersect CUST_1,ANY = (ANY)
	if (in_array('ANY', $limit_types) && !in_array('ANY', $types)) {
	array_splice($limit_types, array_search('ANY', $limit_types), 1, $types);
	}
	// this is to avoid CUST_1 intersect ANY = (), but allows CUST_1 intersect CUST_1,ANY = (ANY)
	if (!in_array('ANY', $limit_types) && in_array('ANY', $types)) {
	array_splice($types, array_search('ANY', $types), 1, $limit_types);
	}
	$limit_types = array_intersect($limit_types, $types);
	}
	$limit_types = count($limit_types) > 0 ? serialize(array_unique($limit_types)) : 'NONE';
	}
	return array($split_shipments, $limit_types);
	}

	function PaymentTypeForm($params)
	{
	$object =& $this->getObject($params);

	$payment_type_id = $object->GetDBField('PaymentType');
	if($payment_type_id)
	{
	$this->Application->SetVar('pt_id', $payment_type_id);
	$block_params['name'] = $this->SelectParam($params, $this->UsingCreditCard($params) ? 'cc_render_as,block_cc' : 'default_render_as,block_default' );
	return $this->Application->ParseBlock($block_params);
	}
	return '';
	}

	/**
	* Returns true in case if credit card was used as payment type for order
	*
	* @param Array $params
	* @return bool
	*/
	function UsingCreditCard($params)
	{
	$object =& $this->getObject($params);

	$pt = $object->GetDBField('PaymentType');

	if (!$pt) {
	$pt = $this->Conn->GetOne('SELECT PaymentTypeId FROM '.TABLE_PREFIX.'PaymentTypes WHERE IsPrimary = 1');
	$object->SetDBField('PaymentType', $pt);
	}

	$pt_table = $this->Application->getUnitOption('pt','TableName');
	$sql = 'SELECT GatewayId FROM %s WHERE PaymentTypeId = %s';
	$gw_id = $this->Conn->GetOne( sprintf( $sql, $pt_table, $pt ) );

	$sql = 'SELECT RequireCCFields FROM %s WHERE GatewayId = %s';

	return $this->Conn->GetOne( sprintf($sql, TABLE_PREFIX.'Gateways', $gw_id) );
	}

	function PaymentTypeDescription($params)
	{
	return $this->Application->ProcessParsedTag('pt', 'Field', array_merge($params, Array(
	'field' => 'Description'
	)) );
	}

	function PaymentTypeInstructions($params)
	{
	return $this->Application->ProcessParsedTag('pt', 'Field', array_merge($params, Array(
	'field' => 'Instructions'
	)) );
	}

	function PrintMonthOptions($params)
	{
	$object =& $this->getObject($params);

	$date = explode('/', $object->GetDBField($params['date_field_name']));
	if (!$date \|\| sizeof($date) != 2) {
	$date=array("", "");
	}
	$o = '';
	$params['name'] = $params['block'];
	for ($i = 1; $i <= 12; $i++) {
	$month_str = str_pad($i, 2, "0", STR_PAD_LEFT);
	if ($date[0] == $month_str) {
	$params['selected'] = ' selected';
	}else {
	$params['selected'] = '';
	}

	$params['mm'] = $month_str;
	$o .= $this->Application->ParseBlock($params);
	}
	return $o;
	}

	function PrintYearOptions($params)
	{
	$object =& $this->getObject($params);
	$value = $object->GetDBField( $params['field'] );

	$block_params = $this->prepareTagParams($params);
	$block_params['name'] = $this->SelectParam($params, 'render_as,block');

	$o = '';
	$this_year = adodb_date('y');

	for($i = $this_year; $i <= $this_year + 10; $i++)
	{
	$year_str = str_pad($i, 2, '0', STR_PAD_LEFT);
	$block_params['selected'] = ($value == $year_str) ? $params['selected'] : '';
	$block_params['key'] = $year_str;
	$block_params['option'] = $year_str;
	$o .= $this->Application->ParseBlock($block_params);
	}
	return $o;
	}

	function PrintMyOrders($params)
	{

	}

	/**
	* Checks, that order data can be editied based on it's status
	*
	* @param Array $params
	* @return bool
	*/
	function OrderEditable($params)
	{
	$id_field = $this->Application->getUnitOption($this->Prefix, 'IDField');
	$table_name = $this->Application->getUnitOption($this->Prefix, 'TableName');

	if ($this->Application->IsTempMode($this->Prefix, $this->Special)) {
	$table_name = $this->Application->GetTempName($table_name, 'prefix:' . $this->Prefix);
	}

	// use direct select here (not $this->getObject) because this tag is
	// used even before "combined_header" block is used (on "orders_edit_items" template)
	$sql = 'SELECT Status, PaymentType
	FROM ' . $table_name . '
	WHERE ' . $id_field . ' = ' . $this->Application->GetVar( $this->getPrefixSpecial() . '_id' );
	$order_data = $this->Conn->GetRow($sql);

	if (!$order_data) {
	// new order adding, when even not in database
	return true;
	}

	switch ($order_data['Status']) {
	case ORDER_STATUS_INCOMPLETE:
	$ret = true;
	break;

	case ORDER_STATUS_PENDING:
	case ORDER_STATUS_BACKORDERS:
	$sql = 'SELECT PlacedOrdersEdit
	FROM ' . $this->Application->getUnitOption('pt', 'TableName') . '
	WHERE ' . $this->Application->getUnitOption('pt', 'IDField') . ' = ' . $order_data['PaymentType'];
	$ret = $this->Conn->GetOne($sql);
	break;

	default:
	$ret = false;
	break;
	}

	return $ret;
	}

	function CheckoutSteps($params)
	{
	$steps = explode(',', $params['steps']);
	foreach ($steps as $key => $item)
	{
	$templates[$key] = trim($item);
	}

	$templates = explode(',', $params['templates']);
	foreach ($templates as $key => $item)
	{
	$templates[$key] = trim($item);
	}
	$total_steps = count($templates);
	$t = $this->Application->GetVar('t');

	$o = '';
	$block_params = array();
	$i = 0;
	$passed_current = preg_match("/".preg_quote($templates[count($templates)-1], '/')."/", $t);
	foreach ($steps as $step => $name)
	{
	if (preg_match("/".preg_quote($templates[$step], '/')."/", $t)) {
	$block_params['name'] = $this->SelectParam($params, 'current_step_render_as,block_current_step');
	$passed_current = true;
	}
	else {
	$block_params['name'] = $passed_current ? $this->SelectParam($params, 'render_as,block') : $this->SelectParam($params, 'passed_step_render_as,block_passed_step');
	}
	$block_params['title'] = $this->Application->Phrase($name);
	$block_params['template'] = $templates[$i];
	$block_params['template_link'] = $this->Application->HREF($templates[$step], '', Array('pass'=>'m'));
	$block_params['next_step_template'] = isset($templates[$i + 1]) ? $templates[$i + 1] : '';
	$block_params['number'] = $i + 1;
	$i++;
	$o.= $this->Application->ParseBlock($block_params, 1);
	}
	return $o;
	}

	function ShowOrder($params)
	{

	$order_params = $this->prepareTagParams($params);
	// $order_params['Special'] = 'myorders';
	// $order_params['PrefixSpecial'] = 'ord.myorders';
	$order_params['name'] = $this->SelectParam($order_params, 'render_as,block');
	// $this->Application->SetVar('ord.myorders_id', $this->Application->GetVar('ord_id'));

	$object =& $this->getObject($params);
	if (!$object->GetDBField('OrderId')) {
	return;
	}
	return $this->Application->ParseBlock($order_params);
	}

	function BuildListSpecial($params)
	{
	if ($this->Special != '') {
	return $this->Special;
	}

	$list_unique_key = $this->getUniqueListKey($params);
	if ($list_unique_key == '') {
	return parent::BuildListSpecial($params);
	}

	return crc32($list_unique_key);
	}

	function ListOrders($params)
	{
	$o = '';
	$params['render_as'] = $params['item_render_as'];

	$o_orders = $this->PrintList2($params);

	if ($o_orders) {
	$orders_params = array('name' => $params['header_render_as']);
	$o = $this->Application->ParseBlock($orders_params);
	$o .= $o_orders;

	} else {
	$orders_params = array('name' => $params['empty_myorders_render_as']);
	$o = $this->Application->ParseBlock($orders_params);
	}

	return $o;

	}

	function HasRecentOrders($params)
	{
	$per_page = $this->SelectParam($params, 'per_page,max_items');
	if ($per_page !== false) {
	$params['per_page'] = $per_page;
	}

	return (int)$this->TotalRecords($params) > 0 ? 1 : 0;
	}

	function ListOrderItems($params)
	{
	$prefix_special = rtrim('orditems.'.$this->Special, '.');
	return $this->Application->ProcessParsedTag($prefix_special, 'PrintList', array_merge($params, Array(
	'per_page' => -1
	)) );
	}


	function OrdersLink(){
	$params['pass']='m,ord';
	$main_processor =& $this->Application->RecallObject('m_TagProcessor');
	return $main_processor->Link($params);
	}



	function PrintAddresses($params)
	{
	$object =& $this->getObject($params);

	$address_list =& $this->Application->recallObject('addr','addr_List', Array('per_page'=>-1, 'skip_counting'=>true) );
	$address_list->Query();

	$address_id = $this->Application->GetVar($params['type'].'_address_id');
	if (!$address_id) {
	$sql = 'SELECT '.$address_list->IDField.'
	FROM '.$address_list->TableName.'
	WHERE PortalUserId = '.$object->GetDBField('PortalUserId').' AND LastUsedAs'.ucfirst($params['type']).' = 1';
	$address_id = (int)$this->Conn->GetOne($sql);
	}

	$ret = '';
	$block_params = $this->prepareTagParams($params);
	$block_params['name'] = $this->SelectParam($params, 'render_as,block');

	$address_list->GoFirst();
	while (!$address_list->EOL()) {

	$selected = ($address_list->GetID() == $address_id);
	if ($selected && $address_list->GetDBField('IsProfileAddress')) {
	$this->Application->SetVar($this->Prefix.'_IsProfileAddress', true);
	}

	$block_params['key'] = $address_list->GetID();
	$block_params['value'] = $address_list->GetDBField('ShortAddress');
	$block_params['selected'] = $selected ? ' selected="selected"' : '';

	$ret .= $this->Application->ParseBlock($block_params, 1);
	$address_list->GoNext();
	}

	return $ret;
	}

	function PrefillRegistrationFields($params)
	{
	if ( $this->Application->GetVar('fields_prefilled') ) {
	return false;
	}

	$user =& $this->Application->recallObject('u', null, Array ('skip_autoload' => true));
	/* @var $user kDBItem */

	$order =& $this->Application->recallObject($this->Prefix . '.last');

	$order_prefix = $params['type'] == 'billing' ? 'Billing' : 'Shipping';
	$order_fields = Array (
	'To', 'Company', 'Phone', 'Fax', 'Email', 'Address1',
	'Address2', 'City', 'State', 'Zip', 'Country'
	);

	$names = explode(' ', $order->GetDBField($order_prefix.'To'), 2);
	if (!$user->GetDBField('FirstName')) $user->SetDBField('FirstName', getArrayValue($names, 0) );
	if (!$user->GetDBField('LastName')) $user->SetDBField('LastName', getArrayValue($names, 1) );
	if (!$user->GetDBField('Company')) $user->SetDBField('Company', $order->GetDBField($order_prefix.'Company') );
	if (!$user->GetDBField('Phone')) $user->SetDBField('Phone', $order->GetDBField($order_prefix.'Phone') );
	if (!$user->GetDBField('Fax')) $user->SetDBField('Fax', $order->GetDBField($order_prefix.'Fax') );
	if (!$user->GetDBField('Email')) $user->SetDBField('Email', $order->GetDBField($order_prefix.'Email') );
	if (!$user->GetDBField('Street')) $user->SetDBField('Street', $order->GetDBField($order_prefix.'Address1') );
	if (!$user->GetDBField('Street2')) $user->SetDBField('Street2', $order->GetDBField($order_prefix.'Address2') );
	if (!$user->GetDBField('City')) $user->SetDBField('City', $order->GetDBField($order_prefix.'City') );
	if (!$user->GetDBField('State')) $user->SetDBField('State', $order->GetDBField($order_prefix.'State') );
	if (!$user->GetDBField('Zip')) $user->SetDBField('Zip', $order->GetDBField($order_prefix.'Zip') );
	if (!$user->GetDBField('Country')) $user->SetDBField('Country', $order->GetDBField($order_prefix.'Country') );

	$cs_helper =& $this->Application->recallObject('CountryStatesHelper');
	/* @var $cs_helper kCountryStatesHelper */

	$cs_helper->PopulateStates(new kEvent('u:OnBuild'), 'State', 'Country');
	}

	function UserLink($params)
	{
	$object =& $this->getObject($params);
	$user_id = $object->GetDBField( $params['user_field'] );

	if ($user_id) {
	$url_params = Array (
	'm_opener' => 'd',
	'u_mode' => 't',
	'u_event' => 'OnEdit',
	'u_id' => $user_id,
	'pass' => 'all,u',
	'no_pass_through' => 1,
	);

	return $this->Application->HREF($params['edit_template'], '', $url_params);
	}
	}

	function UserFound($params)
	{
	$virtual_users = Array(USER_ROOT, USER_GUEST, 0);
	$object =& $this->getObject($params);
	return !in_array( $object->GetDBField( $params['user_field'] ) , $virtual_users );
	}

	/**
	* Returns a link for editing order
	*
	* @param Array $params
	* @return string
	*/
	function OrderLink($params)
	{
	$object =& $this->getObject($params);

	$url_params = Array (
	'm_opener' => 'd',
	$this->Prefix.'_mode' => 't',
	$this->Prefix.'_event' => 'OnEdit',
	$this->Prefix.'_id' => $object->GetID(),
	'pass' => 'all,'.$this->Prefix,
	'no_pass_through' => 1,
	);

	return $this->Application->HREF($params['edit_template'], '', $url_params);
	}

	function HasOriginalAmount($params)
	{
	$object =& $this->getObject($params);
	$original_amount = $object->GetDBField('OriginalAmount');
	return $original_amount && ($original_amount != $object->GetDBField('TotalAmount') );
	}

	/**
	* Returns true, when order has tangible items
	*
	* @param Array $params
	* @return bool
	*
	* @todo This is copy from OrdersItem::HasTangibleItems. Copy to helper (and create it) and use here.
	*/
	function OrderHasTangibleItems($params)
	{
	$object =& $this->getObject($params);
	if ($object->GetID() == FAKE_ORDER_ID) {
	return false;
	}

	$sql = 'SELECT COUNT(*)
	FROM '.TABLE_PREFIX.'OrderItems orditems
	LEFT JOIN '.TABLE_PREFIX.'Products p ON p.ProductId = orditems.ProductId
	WHERE (orditems.OrderId = '.$object->GetID().') AND (p.Type = '.PRODUCT_TYPE_TANGIBLE.')';
	return $this->Conn->GetOne($sql) ? true : false;
	}

	function ShipmentsExists($params)
	{
	return $this->Application->GetVar('ShipmentsExists') ? 1 : 0;
	}

	function Field($params)
	{
	$value = parent::Field($params);
	$field = $this->SelectParam($params,'name,field');
	if( ($field == 'PaymentAccount') && getArrayValue($params,'masked') )
	{
	$value = str_repeat('X',12).substr($value,-4);
	}
	return $value;
	}

	function CartHasError($params)
	{
	return $this->Application->GetVar('checkout_error') > 0;
	}

	function CheckoutError($params)
	{
	$error_codes = Array (
	1 => 'state_changed',
	2 => 'qty_unavailable',
	3 => 'outofstock',
	4 => 'invalid_code',
	5 => 'code_expired',
	6 => 'min_qty',
	7 => 'code_removed',
	8 => 'code_removed_automatically',
	9 => 'changed_after_login',
	10 => 'coupon_applied',
	104 => 'invalid_gc_code',
	105 => 'gc_code_expired',
	107 => 'gc_code_removed',
	108 => 'gc_code_removed_automatically',
	110 => 'gift_certificate_applied',
	);

	$error_param = $error_codes[ $this->Application->GetVar('checkout_error') ];
	return $this->Application->Phrase($params[$error_param]);
	}

	function GetFormAction($params)
	{
	$object =& $this->getObject($params);
	/* @var $object OrdersItem */

	$gw_data = $object->getGatewayData($params['payment_type_id']);

	$this->Application->registerClass( $gw_data['ClassName'], GW_CLASS_PATH.'/'.$gw_data['ClassFile'] );
	$gateway_object =& $this->Application->recallObject( $gw_data['ClassName'] );
	/* @var $gateway_object kGWBase */

	return $gateway_object->getFormAction($gw_data['gw_params']);
	}

	function GetFormHiddenFields($params)
	{
	$object =& $this->getObject($params);
	/* @var $object OrdersItem */

	$gw_data = $object->getGatewayData(array_key_exists('payment_type_id', $params) ? $params['payment_type_id'] : null);

	$this->Application->registerClass( $gw_data['ClassName'], GW_CLASS_PATH.'/'.$gw_data['ClassFile'] );
	$gateway_object =& $this->Application->recallObject( $gw_data['ClassName'] );

	$tpl = '<input type="hidden" name="%s" value="%s" />'."\n";
	$hidden_fields = $gateway_object->getHiddenFields($object->FieldValues, $params, $gw_data['gw_params']);

	$ret = '';
	if (!is_array($hidden_fields)) {
	return $hidden_fields;
	}
	foreach($hidden_fields as $hidden_name => $hidden_value)
	{
	$ret .= sprintf($tpl, $hidden_name, $hidden_value);
	}
	return $ret;
	}

	function NeedsPlaceButton($params)
	{
	$object =& $this->getObject($params);
	$gw_data = $object->getGatewayData();

	$this->Application->registerClass( $gw_data['ClassName'], GW_CLASS_PATH.'/'.$gw_data['ClassFile'] );
	$gateway_object =& $this->Application->recallObject( $gw_data['ClassName'] );

	return $gateway_object->NeedPlaceButton($object->FieldValues, $params, $gw_data['gw_params']);
	}

	function HasGatewayError($params)
	{
	return $this->Application->RecallVar('gw_error');
	}

	function ShowGatewayError($params)
	{
	$ret = $this->Application->RecallVar('gw_error');
	$this->Application->RemoveVar('gw_error');
	return $ret;
	}

	function ShippingType($params)
	{
	$object =& $this->getObject($params);
	$shipping_info = unserialize( $object->GetDBField('ShippingInfo') );
	if (count($shipping_info) > 1) {
	return $this->Application->Phrase('lu_MultipleShippingTypes');
	}
	$shipping_info = array_shift($shipping_info);
	return $shipping_info['ShippingName'];
	}

	function DiscountHelpLink($params)
	{
	$params['pass'] = 'all,orditems';
	$params['m_cat_id'] = 0;
	$m_tag_processor =& $this->Application->recallObject('m_TagProcessor');
	return $m_tag_processor->Link($params);
	}

	function DiscountField($params)
	{
	$orditems =& $this->Application->recallObject( 'orditems' );
	$item_data = $orditems->GetDBField('ItemData');
	if(!$item_data) return '';
	$item_data = unserialize($item_data);
	$discount_prefix = ($item_data['DiscountType'] == 'coupon') ? 'coup' : 'd';

	$discount =& $this->Application->recallObject($discount_prefix, null, Array('skip_autoload' => true));
	if(!$discount->isLoaded())
	{
	$discount->Load($item_data['DiscountId']);
	}
	return $discount->GetField( $this->SelectParam($params, 'field,name') );
	}

	function HasDiscount($params)
	{
	$object =& $this->getObject($params);
	return (float)$object->GetDBField('DiscountTotal') ? 1 : 0;
	}

	/**
	* Allows to check if required product types are present in order
	*
	* @param Array $params
	*/
	function HasProductType($params)
	{
	$product_types = Array('tangible' => 1, 'subscription' => 2, 'service' => 3, 'downloadable' => 4, 'package' => 5, 'gift' => 6);
	$object =& $this->getObject($params);

	$sql = 'SELECT COUNT(*)
	FROM '.TABLE_PREFIX.'OrderItems oi
	LEFT JOIN '.TABLE_PREFIX.'Products p ON p.ProductId = oi.ProductId
	WHERE (oi.OrderId = '.$object->GetID().') AND (p.Type = '.$product_types[ $params['type'] ].')';
	return $this->Conn->GetOne($sql);
	}

	function PrintSerializedFields($params)
	{
	$object =& $this->getObject($params);
	$field = $this->SelectParam($params, 'field');
	if (!$field) $field = $this->Application->GetVar('field');
	$data = unserialize($object->GetDBField($field));

	$o = '';
	$block_params['name'] = $params['render_as'];
	foreach ($data as $field => $value) {
	$block_params['field'] = $field;
	$block_params['value'] = $value;
	$o .= $this->Application->ParseBlock($block_params);
	}
	return $o;
	}

	function OrderProductEmail($params)
	{
	$order =& $this->Application->recallObject('ord');
	$orditems =& $this->Application->recallObject('orditems');

	$sql = 'SELECT ResourceId
	FROM '.TABLE_PREFIX.'Products
	WHERE ProductId = '.$orditems->GetDBField('ProductId');
	$resource_id = $this->Conn->GetOne($sql);

	$ml_formatter =& $this->Application->recallObject('kMultiLanguage');
	$custom_fields = $this->Application->getUnitOption('p', 'CustomFields');
	$custom_name = $ml_formatter->LangFieldName('cust_'.array_search($params['msg_custom_field'], $custom_fields));

	$sql = 'SELECT '.$custom_name.'
	FROM '.$this->Application->getUnitOption('p-cdata', 'TableName').'
	WHERE ResourceId = '.$resource_id;
	$message_template = $this->Conn->GetOne($sql);

	if (!$message_template \|\| trim($message_template) == '') {
	// message template missing
	return ;
	}

	$from_name = strip_tags($this->Application->ConfigValue('Site_Name'));
	$from_email = $this->Application->ConfigValue('Smtp_AdminMailFrom');

	$to_name = $order->GetDBField('BillingTo');
	$to_email = $order->GetDBField('BillingEmail');
	if (!$to_email) {
	// billing email is empty, then use user's email
	$sql = 'SELECT Email
	FROM '.$this->Application->getUnitOption('u', 'TableName').'
	WHERE PortalUserId = '.$order->GetDBField('PortalUserId');
	$to_email = $this->Conn->GetOne($sql);
	}

	$esender =& $application->recallObject('EmailSender.-product');
	/* @var $esender kEmailSendingHelper */

	$esender->SetFrom($from_email, $from_name);
	$esender->AddTo($to_email, $to_name);

	$email_events_eh =& $this->Application->recallObject('emailevents_EventHandler');
	/* @var $email_events_eh EmailEventsEventsHandler */

	list ($message_headers, $message_body) = $email_events_eh->ParseMessageBody($message_template, Array());
	if (!trim($message_body)) {
	// message body missing
	return false;
	}

	foreach ($message_headers as $header_name => $header_value) {
	$esender->SetEncodedHeader($header_name, $header_value);
	}

	$esender->SetHTML($message_body);
	$esender->Deliver();
	}

	function PrintTotals($params)
	{
	$order =& $this->getObject($params);

	$totals = array();
	if (ABS($order->GetDBField('SubTotal') - $order->GetDBField('AmountWithoutVAT')) > 0.01) {
	$totals[] = 'products';
	}

	$has_tangible = $this->OrderHasTangibleItems($params);

	if ($has_tangible && $order->GetDBField('ShippingTaxable')) {
	$totals[] = 'shipping';
	}

	if ($order->GetDBField('ProcessingFee') > 0 && $order->GetDBField('ProcessingTaxable')) {
	$totals[] = 'processing';
	}

	if ($order->GetDBField('ReturnTotal') > 0 && $order->GetDBField('ReturnTotal')) {
	$totals[] = 'return';
	}

	$totals[] = 'sub_total';

	if ($order->GetDBField('VAT') > 0) {
	$totals[] = 'vat';
	}

	if ($has_tangible && !$order->GetDBField('ShippingTaxable')) {
	$totals[] = 'shipping';
	}

	if ($order->GetDBField('ProcessingFee') > 0 && !$order->GetDBField('ProcessingTaxable')) {
	$totals[] = 'processing';
	}


	$o = '';
	foreach ($totals as $type)
	{
	if ($element = getArrayValue($params, $type.'_render_as')) {
	$o .= $this->Application->ParseBlock( array('name' => $element), 1 );
	}
	}
	return $o;
	}

	function ShowDefaultAddress($params)
	{
	$address_type = ucfirst($params['type']);
	if ($this->Application->GetVar('check_'.strtolower($address_type).'_address')) {
	// form type doesn't match check type, e.g. shipping check on billing form
	return '';
	}

	// for required field highlighting on form when no submit made
	$this->Application->SetVar('check_'.strtolower($address_type).'_address', 'true');
	/*if ((strtolower($address_type) == 'billing') && $this->UsingCreditCard($params)) {
	$this->Application->SetVar('check_credit_card', 'true');
	}*/

	$this->Application->HandleEvent(new kEvent('ord:SetStepRequiredFields'));

	$user_id = $this->Application->RecallVar('user_id');
	$sql = 'SELECT AddressId
	FROM '.TABLE_PREFIX.'Addresses
	WHERE PortalUserId = '.$user_id.' AND LastUsedAs'.$address_type.' = 1';
	$address_id = $this->Conn->GetOne($sql);
	if (!$address_id) {
	return '';
	}

	$addr_list =& $this->Application->recallObject('addr', 'addr_List', Array('per_page'=>-1, 'skip_counting'=>true) );
	$addr_list->Query();

	$object =& $this->getObject();
	if (!$addr_list->CheckAddress($object->FieldValues, $address_type)) {
	$addr_list->CopyAddress($address_id, $address_type);
	}
	}

	function IsProfileAddress($params)
	{
	$object =& $this->getObject($params);
	$address_type = ucfirst($params['type']);
	return $object->IsProfileAddress($address_type);
	}

	function HasPayPalSubscription($params)
	{
	$object =& $this->getObject($params);

	$sql = 'SELECT COUNT(*)
	FROM '.TABLE_PREFIX.'OrderItems oi
	LEFT JOIN '.TABLE_PREFIX.'Products p ON p.ProductId = oi.ProductId
	WHERE (oi.OrderId = '.$object->GetID().') AND (p.PayPalRecurring = 1)';
	return $this->Conn->GetOne($sql);

	}

	function GetPayPalSubscriptionForm($params)
	{
	$object =& $this->getObject($params);
	$gw_data = $object->getGatewayData($params['payment_type_id']);

	$this->Application->registerClass( $gw_data['ClassName'], GW_CLASS_PATH.'/'.$gw_data['ClassFile'] );
	$gateway_object =& $this->Application->recallObject( $gw_data['ClassName'] );


	$sql = 'SELECT oi.*
	FROM '.TABLE_PREFIX.'OrderItems oi
	LEFT JOIN '.TABLE_PREFIX.'Products p ON p.ProductId = oi.ProductId
	WHERE (oi.OrderId = '.$object->GetID().') AND (p.PayPalRecurring = 1)';
	$order_item = $this->Conn->GetRow($sql);
	$order_item_data = unserialize($order_item['ItemData']);

	$cycle = ceil($order_item_data['Duration'] / 86400);
	$cycle_units = 'D';

	$item_data = $object->FieldValues;
	$item_data['item_name'] = $order_item['ProductName'];
	$item_data['item_number'] = $order_item['OrderItemId'];
	$item_data['custom'] = $order_item['OrderId'];
	$item_data['a1'] = '';
	$item_data['p1'] = '';
	$item_data['t1'] = '';
	$item_data['a2'] = '';
	$item_data['p2'] = '';
	$item_data['t2'] = '';
	$item_data['a3'] = $order_item['Price']; //rate
	$item_data['p3'] = $cycle; //cycle
	$item_data['t3'] = $cycle_units; //cycle units D (days), W (weeks), M (months), Y (years)
	$item_data['src'] = '1'; // Recurring payments. If set to 1, the payment will recur unless your customer cancels the subscription before the end of the billing cycle.
	$item_data['sra'] = '1'; // Reattempt on failure. If set to 1, and the payment fails, the payment will be reattempted two more times. After the third failure, the subscription will be cancelled.
	$item_data['srt'] = ''; // Recurring Times. This is the number of payments which will occur at the regular rate.

	$hidden_fields = $gateway_object->getSubscriptionFields($item_data, $params, $gw_data['gw_params']);

	$ret = '';
	if (!is_array($hidden_fields)) {
	return $hidden_fields;
	}
	$tpl = '<input type="hidden" name="%s" value="%s" />'."\n";
	foreach($hidden_fields as $hidden_name => $hidden_value)
	{
	$ret .= sprintf($tpl, $hidden_name, $hidden_value);
	}
	return $ret;
	}

	function UserHasPendingOrders($params)
	{
	$sql = 'SELECT OrderId FROM '.$this->Application->getUnitOption($this->Prefix, 'TableName').'
	WHERE PortalUserId = '.$this->Application->RecallVar('user_id').'
	AND Status = '.ORDER_STATUS_PENDING;
	return $this->Conn->GetOne($sql) ? 1 : 0;
	}

	function AllowAddAddress($params)
	{
	$user =& $this->Application->recallObject('u.current');

	if ($user->GetDBField('cust_shipping_addr_block')) return false;

	$address_list =& $this->Application->recallObject('addr','addr_List', Array('per_page'=>-1, 'skip_counting'=>true) );
	$address_list->Query();

	$max = $this->Application->ConfigValue('MaxAddresses');

	return $max <= 0 ? true : $address_list->RecordsCount < $max;
	}

	function FreePromoShippingAvailable($params)
	{
	$object =& $this->Application->recallObject('orditems');
	$free_ship = $object->GetDBField('MinQtyFreePromoShipping');
	$tangible = ($object->GetDBField('Type') == 1)? 1 : 0;
	return ($tangible && ($free_ship > 0 && $free_ship <= $object->GetDBField('Quantity')))? 1 : 0;
	}

	/**
	* Creates link for removing coupon or gift certificate
	*
	* @param Array $params
	* @return string
	*/
	function RemoveCouponLink($params)
	{
	$type = strtolower($params['type']);
	$url_params = Array (
	'pass' => 'm,ord',
	'ord_event' => ($type == 'coupon') ? 'OnRemoveCoupon' : 'OnRemoveGiftCertificate',
	'm_cat_id' => 0,
	);

	return $this->Application->HREF('', '', $url_params);
	}

	/**
	* Calculates total weight of items in shopping cart
	*
	* @param Array $params
	* @return float
	*/
	function TotalOrderWeight($params)
	{
	$object =& $this->getObject();
	/* @var $object kDBItem */

	$sql = 'SELECT SUM( IF(oi.Weight IS NULL, 0, oi.Weight * oi.Quantity) )
	FROM '.TABLE_PREFIX.'OrderItems oi
	WHERE oi.OrderId = '.$object->GetID();
	$total_weight = $this->Conn->GetOne($sql);

	if ($total_weight == '') {
	// zero weight -> return text about it
	return $this->Application->Phrase('lu_NotAvailable');
	}

	$regional =& $this->Application->recallObject('lang.current');

	switch ($regional->GetDBField('UnitSystem')) {
	case 1:
	// metric system -> add kg sign
	$total_weight .= ' '.$this->Application->Phrase('lu_kg');
	break;

	case 2:
	// uk system -> convert to pounds
	list($pounds, $ounces) = Kg2Pounds($total_weight);
	$total_weight = $pounds.' '.$this->Application->Phrase('lu_pounds').' '.$ounces.' '.$this->Application->Phrase('lu_ounces');
	break;
	}

	return $total_weight;
	}

	function InitCatalogTab($params)
	{
	$tab_params['mode'] = $this->Application->GetVar('tm'); // single/multi selection possible
	$tab_params['special'] = $this->Application->GetVar('ts'); // use special for this tab
	$tab_params['dependant'] = $this->Application->GetVar('td'); // is grid dependant on categories grid

	// set default params (same as in catalog)
	if ($tab_params['mode'] === false) $tab_params['mode'] = 'multi';
	if ($tab_params['special'] === false) $tab_params['special'] = '';
	if ($tab_params['dependant'] === false) $tab_params['dependant'] = 'yes';

	// pass params to block with tab content
	$params['name'] = $params['render_as'];
	$params['prefix'] = trim($this->Prefix.'.'.($tab_params['special'] ? $tab_params['special'] : $this->Special), '.');
	$params['cat_prefix'] = trim('c.'.($tab_params['special'] ? $tab_params['special'] : $this->Special), '.');
	$params['tab_mode'] = $tab_params['mode'];
	$params['grid_name'] = ($tab_params['mode'] == 'multi') ? $params['default_grid'] : $params['radio_grid'];
	$params['tab_dependant'] = $tab_params['dependant'];
	$params['show_category'] = $tab_params['special'] == 'showall' ? 1 : 0; // this is advanced view -> show category name

	// use $pass_params to be able to pass 'tab_init' parameter from m_ModuleInclude tag
	return $this->Application->ParseBlock($params, 1);
	}

	/**
	* Checks if required payment method is available
	*
	* @param Array $params
	* @return bool
	*/
	function HasPaymentGateway($params)
	{
	static $payment_types = Array ();

	$gw_name = $params['name'];
	if (!array_key_exists($gw_name, $payment_types)) {
	$sql = 'SELECT pt.PaymentTypeId, pt.PortalGroups
	FROM '.TABLE_PREFIX.'PaymentTypes pt
	LEFT JOIN '.TABLE_PREFIX.'Gateways g ON pt.GatewayId = g.GatewayId
	WHERE (g.Name = '.$this->Conn->qstr($params['name']).') AND (pt.Status = '.STATUS_ACTIVE.')';
	$payment_types[$gw_name] = $this->Conn->GetRow($sql);
	}

	if (!$payment_types[$gw_name]) {
	return false;
	}

	$pt_groups = explode(',', substr($payment_types[$gw_name]['PortalGroups'], 1, -1));
	$user_groups = explode(',', $this->Application->RecallVar('UserGroups'));

	return array_intersect($user_groups, $pt_groups) ? $payment_types[$gw_name]['PaymentTypeId'] : false;
	}

	function DisplayPaymentGateway($params)
	{
	$payment_type_id = $this->HasPaymentGateway($params);
	if (!$payment_type_id) {
	return '';
	}

	$object =& $this->getObject($params);
	/* @var $object OrdersItem */

	$gw_data = $object->getGatewayData($payment_type_id);

	$block_params = $gw_data['gw_params'];
	$block_params['name'] = $params['render_as'];
	$block_params['payment_type_id'] = $payment_type_id;

	return $this->Application->ParseBlock($block_params);
	}

	/**
	* Checks, that USPS returned valid label
	*
	* @param Array $params
	* @return bool
	*/
	function USPSLabelFound($params)
	{
	$object =& $this->getObject($params);
	/* @var $object kDBItem */

	$full_path = USPS_LABEL_FOLDER . $object->GetDBField( $params['field'] ) . '.pdf';

	return file_exists($full_path) && is_file($full_path);
	}

	/**
	* Prints SQE errors from session
	*
	* @param Array $params
	* @return string
	*/
	function PrintSQEErrors($params)
	{
	$sqe_errors = $this->Application->RecallVar('sqe_errors');

	if (!$sqe_errors) {
	return '';
	}

	$o = '';
	$block_params = $this->prepareTagParams($params);
	$block_params['name'] = $params['render_as'];
	$sqe_errors = unserialize($sqe_errors);

	foreach ($sqe_errors as $order_number => $error_description) {
	$block_params['order_number'] = $order_number;
	$block_params['error_description'] = $error_description;

	$o .= $this->Application->ParseBlock($block_params);
	}

	$this->Application->RemoveVar('sqe_errors');

	return $o;
	}

	}

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