<?php
-
+/**********************************************************************
+ Copyright (C) FrontAccounting, LLC.
+ Released under the terms of the GNU General Public License, GPL,
+ as published by the Free Software Foundation, either version 3
+ of the License, or (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
include_once($path_to_root . "/taxes/db/tax_groups_db.inc");
include_once($path_to_root . "/taxes/db/tax_types_db.inc");
include_once($path_to_root . "/taxes/db/item_tax_types_db.inc");
//---------------------------------------------------------------------------------
-// returns the tax cost for a given item
-/*
-function get_tax_value_for_item($stock_id, $price, $tax_group)
-{
- // if price is zero, then can't be taxed
- if ($price == 0)
- return 0;
-
- $ret_tax_array = get_tax_group_items_as_array($tax_group);
-
- $tax_array = get_taxes_for_item($stock_id, $ret_tax_array);
- if ($tax_array == null)
- return 0;
-
- $tax_multiplier = 0;
-
- // loop for all items
- foreach ($tax_array as $taxitem) {
- $tax_multiplier += $taxitem["rate"];
- }
-
- return $price * ($tax_multiplier / 100);
-}
-*/
-//---------------------------------------------------------------------------------
-
// returns the price of a given item minus any included taxes
// for item $stock_id with line price $price,
// with applicable tax rates $tax_group_array or group id $tax_group
-//
function get_tax_free_price_for_item($stock_id, $price, $tax_group, $tax_included, $tax_group_array=null)
{
// if no exemptions or taxgroup is empty, then no included/excluded taxes
if ($tax_array == null)
return $price;
-
- $tax_multiplier = 0;
-
- // loop for all items
+ // to avoid rounding errors we have to just subtract taxes from tax_included price.
+ $tax_multiplier = 0;
foreach ($tax_array as $taxitem)
{
- $tax_multiplier += $taxitem["rate"];
+ $tax_multiplier += $taxitem["rate"];
}
-
- return round($price / (1 + ($tax_multiplier / 100)), user_price_dec());
+
+ $tax = 0;
+ foreach ($tax_array as $taxitem)
+ {
+ $tax += round($price*$taxitem['rate']/(100+$tax_multiplier), user_price_dec());
+ }
+ return $price-$tax;
}
//
// Full price (incl. VAT) for item $stock_id with line price $price,
if ($tax_array == null)
return $price;
- $tax_multiplier = 0;
+ $tax_multiplier = 0;
// loop for all items
foreach ($tax_group_items_array as $tax_group_item)
{
- $skip = false;
+ $skip = false;
// if it's in the exemptions, skip
foreach ($item_tax_type_exemptions as $exemption)
$ret_tax_array = $tax_items_array;
else
$ret_tax_array = get_tax_group_items_as_array($tax_group);
-
+
+ foreach($ret_tax_array as $k=>$t)
+ $ret_tax_array[$k]['Net'] = 0;
+
+ $dec = user_price_dec();
// loop for all items
for ($i = 0; $i < count($items); $i++)
{
$item_taxes = get_taxes_for_item($items[$i], $ret_tax_array);
-
if ($item_taxes != null)
{
+ $tax_multiplier = 0;
+ foreach ($item_taxes as $taxitem)
+ {
+ $tax_multiplier += $taxitem['rate'];
+ }
foreach ($item_taxes as $item_tax)
{
- $index = $item_tax['tax_type_id'];
- if($tax_included==1) // 2008-11-26 Joe Hunt Taxes are stored without roundings
- //$ret_tax_array[$index]['Value'] += round($prices[$i] * $item_tax['rate']
- // / ($item_tax['rate'] + 100), user_price_dec());
- $ret_tax_array[$index]['Value'] += ($prices[$i] * $item_tax['rate'] / ($item_tax['rate'] + 100));
- else
- //$ret_tax_array[$index]['Value'] +=
- // round($prices[$i] * $item_tax['rate'] / 100, user_price_dec());
- $ret_tax_array[$index]['Value'] += ($prices[$i] * $item_tax['rate'] / 100);
+ if ($item_tax['rate'] !== null) {
+ $index = $item_tax['tax_type_id'];
+ if ($tax_included == 1) {
+ $ret_tax_array[$index]['Value'] += round2($prices[$i]*$item_tax['rate']/(100+$tax_multiplier), $dec);
+ $ret_tax_array[$index]['Net'] += round2($prices[$i]*100/(100+$tax_multiplier), $dec);
+ } else {
+ $ret_tax_array[$index]['Value'] += ($prices[$i] * $item_tax['rate'] / 100);
+ $ret_tax_array[$index]['Net'] += $prices[$i];
+ }
+ }
}
}
}
-
+
// add the shipping taxes, only if non-zero, and only if tax group taxes shipping
if ($shipping_cost != 0)
{
$item_taxes = get_shipping_tax_as_array();
if ($item_taxes != null)
{
+ if ($tax_included == 1)
+ {
+ $tax_rate = 0;
+ foreach ($item_taxes as $item_tax)
+ {
+ $index = $item_tax['tax_type_id'];
+ if(isset($ret_tax_array[$index])) {
+ $tax_rate += $item_tax['rate'];
+ }
+ }
+ $shipping_net = round2($shipping_cost*100/(100+$tax_rate), $dec);
+ }
foreach ($item_taxes as $item_tax)
{
$index = $item_tax['tax_type_id'];
- if(isset($ret_tax_array[$index])) {
- if($tax_included==1) // 2008-11-26 Joe Hunt Taxes are stored without roundings
- //$ret_tax_array[$index]['Value'] += round($shipping_cost * $item_tax['rate']
- // / ($item_tax['rate'] + 100), user_price_dec());
- $ret_tax_array[$index]['Value'] += ($shipping_cost * $item_tax['rate'] / ($item_tax['rate'] + 100));
- else
- //$ret_tax_array[$index]['Value'] +=
- // round($shipping_cost * $item_tax['rate'] / 100, user_price_dec());
- $ret_tax_array[$index]['Value'] += ($shipping_cost * $item_tax['rate'] / 100);
+ if ($item_tax['rate'] !== null && $ret_tax_array[$index]['rate'] !== null) {
+ if($tax_included==1) {
+ $ret_tax_array[$index]['Value'] += round2($shipping_cost*$item_tax['rate']/(100+$tax_rate), $dec);
+ $ret_tax_array[$index]['Net'] += $shipping_net;
+ } else {
+ $ret_tax_array[$index]['Value'] += ($shipping_cost * $item_tax['rate'] / 100);
+ $ret_tax_array[$index]['Net'] += $shipping_cost;
+ }
}
}
}
}
-
//print_r($ret_tax_array);
return $ret_tax_array;
}
-
?>
\ No newline at end of file