commerce_tax.rules.inc in Commerce Core 7
Rules integration for line items.
File
modules/tax/commerce_tax.rules.incView source
<?php
/**
* @file
* Rules integration for line items.
*
* @addtogroup rules
* @{
*/
/**
* Implements hook_rules_action_info().
*/
function commerce_tax_rules_action_info() {
$actions = array();
$actions['commerce_tax_remove_taxes'] = array(
'label' => t('Remove taxes applied to a line item'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
'wrapped' => TRUE,
'save' => TRUE,
'restriction' => 'selector',
),
'increase_base_price' => array(
'type' => 'boolean',
'label' => t('Increase the base price amount by the amount of display inclusive taxes removed.'),
'description' => t('If left unchecked, a price of £2.95 including £0.49 VAT will be reduced to £2.46. If checked it will be set to £2.95 with no tax included.'),
'default value' => FALSE,
'restriction' => 'input',
),
'tax_rates' => array(
'type' => 'list<text>',
'label' => t('Limit removal to only a certain set of tax rates'),
'description' => t('If no tax rates are selected, all tax rates will be removed from the line item. Use ctrl + click (or command + click) to deselect a tax rate.'),
'options list' => 'commerce_tax_rate_titles',
'optional' => TRUE,
'restriction' => 'input',
),
),
'group' => t('Commerce Tax'),
);
if (count(commerce_tax_rates()) > 0) {
$actions['commerce_tax_rate_apply'] = array(
'label' => t('Apply a tax rate to a line item'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
),
'tax_rate_name' => array(
'type' => 'text',
'label' => t('Tax rate'),
'options list' => 'commerce_tax_rate_titles',
),
),
'provides' => array(
'applied_tax' => array(
'type' => 'commerce_price',
'label' => t('Applied tax'),
),
),
'group' => t('Commerce Tax'),
'callbacks' => array(
'execute' => 'commerce_tax_rate_rules_apply',
),
);
}
if (count(commerce_tax_types()) > 0) {
$actions['commerce_tax_calculate_by_type'] = array(
'label' => t('Calculate taxes for a line item'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
),
'tax_type_name' => array(
'type' => 'text',
'label' => t('Tax type'),
'options list' => 'commerce_tax_type_titles',
),
),
'group' => t('Commerce Tax'),
);
}
return $actions;
}
/**
* Rules actions: removes all taxes applied to a line item.
*/
function commerce_tax_remove_taxes($line_item_wrapper, $increase_base_price, $tax_rates) {
// Load all the tax component types to look for matching price components in
// the line item's unit price. Filter the list by tax rates that should be
// removed if only some were specified.
$component_types = commerce_tax_commerce_price_component_type_info();
if (!empty($tax_rates)) {
foreach ($component_types as $name => $component_type) {
if (!in_array($component_type['tax_rate'], $tax_rates)) {
unset($component_types[$name]);
}
}
}
// Loop over the price components in the line item's unit price.
$price = $line_item_wrapper->commerce_unit_price
->value();
$new_components = array();
foreach ($price['data']['components'] as $key => $component) {
// Look for components that match one of the defined tax price components.
if (array_key_exists($component['name'], $component_types)) {
// Remove it from the components array.
unset($price['data']['components'][$key]);
// If the component was marked as "included" in the price amount, update
// the price amount to reflect the difference.
if (!empty($component['included'])) {
$price['amount'] -= $component['price']['amount'];
// If the user opted to increase the base price by the amount of the
// display inclusive taxes removed, add them back as new price components.
if (!empty($increase_base_price)) {
$price['data']['components'][] = array(
'name' => 'base_price',
'price' => array(
'amount' => $component['price']['amount'],
'currency_code' => $component['price']['currency_code'],
'data' => array(),
),
'included' => TRUE,
);
$price['amount'] += $component['price']['amount'];
}
}
}
}
$line_item_wrapper->commerce_unit_price = $price;
}
/**
* Rules action: loads and applies a tax rate to the given line item.
*/
function commerce_tax_rate_rules_apply($line_item, $name) {
if ($tax_rate = commerce_tax_rate_load($name)) {
$tax_price = commerce_tax_rate_apply($tax_rate, $line_item);
// If tax was applied, return the price array as a new variable for use in
// subsequent actions.
if ($tax_price) {
return array(
'applied_tax' => $tax_price,
);
}
}
}
/**
* Rules action: checks for the application of each tax rate of a certain type.
*/
function commerce_tax_calculate_by_type($line_item, $tax_type_name) {
if ($tax_type = commerce_tax_type_load($tax_type_name)) {
commerce_tax_type_calculate_rates($tax_type, $line_item);
}
}
/**
* @}
*/
Functions
Name | Description |
---|---|
commerce_tax_calculate_by_type | Rules action: checks for the application of each tax rate of a certain type. |
commerce_tax_rate_rules_apply | Rules action: loads and applies a tax rate to the given line item. |
commerce_tax_remove_taxes | Rules actions: removes all taxes applied to a line item. |
commerce_tax_rules_action_info | Implements hook_rules_action_info(). |