<?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)
{
else
$ret_tax_array = get_tax_group_items_as_array($tax_group);
- //print_r($ret_tax_array);
-
$tax_array = get_taxes_for_item($stock_id, $ret_tax_array);
+
// if no exemptions or taxgroup is empty, then no included/excluded taxes
if ($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 $exemption)
//-----------------------------------------------------------------------------------
// return an array of (tax_type_id, tax_type_name, sales_gl_code, purchasing_gl_code, rate, included_in_price, Value)
-function get_tax_for_items($items, $prices, $shipping_cost, $tax_group, $tax_included=null, $tax_items_array=null)
+function get_tax_for_items($items, $prices, $shipping_cost, $tax_group, $tax_included=null, $tax_items_array=null, $tax_algorithm = null)
{
+ if (!$tax_algorithm)
+ $tax_algorithm = get_company_pref('tax_algorithm');
// first create and set an array with all the tax types of the tax group
if($tax_items_array!=null)
- $ret_tax_array = $tax_items_array;
+ $ret_tax_array = $tax_items_array;
else
- $ret_tax_array = get_tax_group_items_as_array($tax_group);
+ $ret_tax_array = get_tax_group_items_as_array($tax_group);
+
+ $dec = user_price_dec();
+
+ $fully_exempt = true;
+ foreach($ret_tax_array as $k=>$t)
+ {
+ if ($t['rate'] !== null)
+ $fully_exempt = false;
+ $ret_tax_array[$k]['Net'] = 0;
+ }
+ $ret_tax_array['exempt'] = array('Value'=>0, 'Net'=>0, 'rate' => null, 'tax_type_id' => '', 'sales_gl_code' => '');
+ $dec = user_price_dec();
// loop for all items
for ($i = 0; $i < count($items); $i++)
{
$item_taxes = get_taxes_for_item($items[$i], $ret_tax_array);
-
- if ($item_taxes != null)
+ if ($item_taxes == null || $fully_exempt)
+ {
+ $ret_tax_array['exempt']['Value'] += round2(0, $dec);
+ $ret_tax_array['exempt']['Net'] += $prices[$i];
+ }
+ else
{
+ $tax_multiplier = 0;
+ foreach ($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'] += round2($prices[$i] * $item_tax['rate'] / 100, $dec);
+ $ret_tax_array[$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();
+ $item_taxes = get_shipping_tax_as_array($tax_group);
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'] += round2($shipping_cost * $item_tax['rate'] / 100, $dec);
+ $ret_tax_array[$index]['Net'] += $shipping_cost;
+ }
}
}
}
}
-
- //print_r($ret_tax_array);
-
- return $ret_tax_array;
-}
-//
-// Get all taxes for given tax_type_id. This can be used when
-// no tax group exemptions are active (local sales).
-// To be used in quick entries.
-//
-function get_taxes_for_item_tax($tax_type_id)
-{
- $item_tax_type = get_item_tax_type($tax_type_id);
-
- // if the item is exempt from all taxes then return 0
- if ($item_tax_type["exempt"])
- return null;
-
- // get the exemptions for this item tax type
- $item_tax_type_exemptions_db = get_item_tax_type_exemptions($tax_type_id);
-
- // read them all into an array to minimize db querying
- $item_tax_type_exemptions = array();
- while ($item_tax_type_exemp = db_fetch($item_tax_type_exemptions_db))
- {
- $item_tax_type_exemptions[] = $item_tax_type_exemp["tax_type_id"];
- }
-
- $ret_tax_array = array();
- $tax_rates = get_all_tax_types_simple();
- // if any of the taxes are in the exemptions, then skip
- while($tax_rate = db_fetch($tax_rates))
- {
-
- $skip = false;
-
- // if it's in the exemptions, skip
- foreach ($item_tax_type_exemptions as $exemption)
- {
- if (($tax_rate['id'] == $exemption))
- {
- $skip = true;
- break;
- }
- }
-
- if (!$skip)
- {
- $index = $tax_rate['id'];
- $ret_tax_array[$index] = $tax_rate;
+ if ($tax_algorithm == TCA_TOTALS ) {
+ // update taxes with
+ foreach($ret_tax_array as $index => $item_tax) {
+ $ret_tax_array[$index]['Value'] = round2($item_tax['Net'] * $item_tax['rate'] / 100, $dec);
}
}
-
- return $ret_tax_array;
-}
-function is_tax_account($account_code)
-{
- $sql= "SELECT id FROM ".TB_PREF."tax_types WHERE
- sales_gl_code='$account_code' OR purchasing_gl_code='$account_code'";
- $result = db_query($sql, "checking account is tax account");
- if (db_num_rows($result) > 0) {
- $acct = db_fetch($result);
- return $acct['id'];
- } else
- return false;
+ return $ret_tax_array;
}
-?>
\ No newline at end of file
projects / fa-stable.git / blobdiff