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khosb/modules/tax/tax.inc.php

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<?php
/**
* AgileBill - Open Billing Software
*
* This body of work is free software; you can redistribute it and/or
* modify it under the terms of the Open AgileBill License
* License as published at http://www.agileco.com/agilebill/license1-4.txt
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*
* Originally authored by Tony Landis, AgileBill LLC
*
* Recent modifications by Deon George
*
* @author Deon George <deonATleenooksDOTnet>
* @copyright 2009 Deon George
* @link http://osb.leenooks.net
*
* @link http://www.agileco.com/
* @copyright 2004-2008 Agileco, LLC.
* @license http://www.agileco.com/agilebill/license1-4.txt
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* @author Tony Landis <tony@agileco.com>
* @package AgileBill
* @subpackage Modules:Tax
*/
/**
* The main AgileBill Tax Class
*
* @package AgileBill
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* @subpackage Modules:Tax
*/
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class tax extends OSB_module {
/**
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* Calculate all applicable taxes for a given product
* @return Array
*/
public function calculate($taxable_amount,$country_id,$zone) {
$db = &DB();
$arr = array();
$result = $db->Execute(
sqlSelect($db,'tax','id,description,rate',
sprintf("(zone='' OR zone IS NULL OR zone=::*:: OR zone=::%s::) AND (country_id=::%s:: OR country_id='' OR country_id IS NULL)",$zone,$country_id),
'zone'));
if (! $result || ! $result->RecordCount())
return false;
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else
while (! $result->EOF) {
array_push($arr,
array('rate'=>round($result->fields['rate']*$taxable_amount,2),
'name' => $result->fields['description'],
'id' => $result->fields['id']));
$result->MoveNext();
}
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return count($arr) ? $arr : false;
}
/**
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* Insert invoice_item_tax Records
*/
public function invoice_item($invoice_id,$invoice_item_id,$account_id,$tax_arr) {
$db = &DB();
if (! is_array($tax_arr))
return false;
foreach ($tax_arr as $tax)
$db->Execute(sqlInsert($db,'invoice_item_tax',array('date_orig'=>time(),'invoice_id'=>$invoice_id,'invoice_item_id'=>$invoice_item_id,'account_id'=>$account_id,'tax_id'=>$tax['id'],'amount'=>$tax['rate'])));
}
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/**
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* Generate the HTML for tax id collection on account creation/update form
*/
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public function get_tax_ids() {
$db = &DB();
$rs = $db->Execute(sqlSelect($db,'tax','*',array('tax_id_collect'=>1,'zone'=>'*')));
if ($rs && $rs->RecordCount()) {
while (! $rs->EOF) {
$arr[$rs->fields['tax_id_name']] = $rs->fields;
$rs->MoveNext();
}
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} else {
return false;
}
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$ret = array();
foreach ($arr as $val)
array_push($ret,$val);
global $smarty;
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$smarty->assign('tax_ids',$ret);
}
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/**
* Validate inputted tax id on account addition/update
*/
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function TaxIdsValidate($country_id, $tax_id, $exempt=false) {
$db = &DB();
$rs = $db->Execute(sqlSelect($db,'tax','*',array('country_id'=>$country_id,'zone'=>'*','tax_id_collect'=>1,'tax_id_req'=>1)));
if ($rs && $rs->RecordCount()) {
$this->errField = $rs->fields['tax_id_name'];
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if (empty($tax_id))
if ($rs->fields['tax_id_exempt'] && $exempt)
return true;
else
return false;
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if (! empty($rs->fields['tax_id_regex'])) {
$regex = $rs->fields['tax_id_regex'];
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if (! preg_match("/$regex/",trim($tax_id)))
return false;
}
}
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return true;
}
}
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?>