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<?php
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// $Id$
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/**
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* @file
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* Übercart Taxes module.
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*
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* Allows tax rules to be set up and applied to orders.
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*
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* Coded by Lyle Mantooth
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*/
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/******************************************************************************
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* Drupal Hooks *
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******************************************************************************/
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function uc_taxes_help($path, $arg) {
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$output = '';
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switch ($path) {
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case 'admin/store/settings/taxes':
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$output .= t('After setting up tax rates and rules on this page, go to the
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<a href="!link">Conditional actions settings</a> to add
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conditions to the taxes. Especially important are the geographic area
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conditions for the delivery address.', array('!link' => url('admin/settings/ca')));
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break;
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}
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return $output;
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}
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/**
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* Implementation of hook_perm().
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*/
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function uc_taxes_perm() {
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return array('configure taxes');
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}
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/**
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* Implementation of hook_menu().
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*/
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function uc_taxes_menu() {
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$items = array();
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$items['admin/store/settings/taxes'] = array(
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'title' => 'Tax rates and settings',
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'page callback' => 'uc_taxes_admin_settings',
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'access arguments' => array('configure taxes'),
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'type' => MENU_NORMAL_ITEM,
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);
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$items['admin/store/settings/taxes/edit'] = array(
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'title' => 'Edit tax rule',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('uc_taxes_form'),
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'access arguments' => array('configure taxes'),
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'type' => MENU_CALLBACK,
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);
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$items['admin/store/settings/taxes/copy'] = array(
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'page callback' => 'uc_taxes_copy',
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'access arguments' => array('configure taxes'),
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'type' => MENU_CALLBACK,
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);
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$items['admin/store/settings/taxes/delete'] = array(
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'title' => 'Delete tax rule',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('uc_taxes_delete'),
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'access arguments' => array('configure taxes'),
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'type' => MENU_CALLBACK,
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);
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$items['taxes/calculate'] = array(
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'page callback' => 'uc_taxes_javascript',
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'access arguments' => array('access content'),
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'type' => MENU_CALLBACK,
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);
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return $items;
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}
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function uc_taxes_init() {
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require_once('uc_taxes.ca.inc');
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}
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function uc_taxes_form_alter(&$form, &$form_state, $form_id) {
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if ($form_id == 'uc_cart_checkout_form') {
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if (isset($form['panes']['payment'])) {
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uc_add_js('var tax_weight = '. variable_get('uc_li_tax_weight', 9), 'inline');
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uc_add_js(drupal_get_path('module', 'uc_taxes') .'/uc_taxes.js');
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}
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}
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else if ($form_id == 'uc_order_edit_form') {
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if (isset($form['quotes'])) {
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uc_add_js(drupal_get_path('module', 'uc_taxes') .'/uc_taxes.js');
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}
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}
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}
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/*******************************************************************************
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* Übercart Hooks
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******************************************************************************/
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/**
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* Implementation of Übercart's hook_line_item().
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*/
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function uc_taxes_line_item() {
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$items[] = array(
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'id' => 'tax',
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'title' => t('Tax'),
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'callback' => 'uc_line_item_tax',
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'weight' => 9,
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'stored' => true,
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'default' => FALSE,
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'calculated' => TRUE,
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'display_only' => FALSE,
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);
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$items[] = array(
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'id' => 'tax_subtotal',
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'title' => t('Subtotal excluding taxes'),
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'callback' => 'uc_line_item_tax_subtotal',
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'weight' => 7,
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'stored' => false,
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'calculated' => false,
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);
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return $items;
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}
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/**
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* Update and save tax line items to the order.
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*/
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function uc_taxes_order($op, $arg1, $arg2) {
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switch ($op) {
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case 'save':
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$changes = array();
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$line_items = uc_line_item_tax('load', $arg1);
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//$arg1->line_items = uc_order_load_line_items($arg1, true);
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if (is_array($arg1->line_items)) {
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//drupal_set_message('<pre>'. var_export($arg1->line_items, true) .'</pre>');
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foreach ($arg1->line_items as $line) {
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if ($line['type'] == 'tax') {
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$delete = true;
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foreach ($line_items as $id => $new_line) {
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if ($new_line['title'] == $line['title']) {
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if ($new_line['amount'] != $line['amount']) {
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uc_order_update_line_item($line['line_item_id'], $new_line['title'], $new_line['amount']);
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$changes[] = t('Changed %title to %amount.', array('%amount' => uc_currency_format($new_line['amount']), '%title' => $new_line['title']));
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}
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unset($line_items[$id]);
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$delete = false;
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break;
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}
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}
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if ($delete) {
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uc_order_delete_line_item($line['line_item_id']);
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$changes[] = t('Removed %title.', array('%title' => $line['title']));
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}
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}
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}
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}
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if (is_array($line_items)) {
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foreach ($line_items as $line) {
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uc_order_line_item_add($arg1->order_id, $line['id'], $line['title'], $line['amount'], $line['weight']);
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$changes[] = t('Added %amount for %title.', array('%amount' => uc_currency_format($line['amount']), '%title' => $line['title']));
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}
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}
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if (count($changes)) {
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uc_order_log_changes($arg1->order_id, $changes);
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}
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break;
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}
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}
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/******************************************************************************
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* Menu Callbacks *
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******************************************************************************/
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/**
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* Display a list of tax rates.
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*/
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function uc_taxes_admin_settings() {
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$header = array(t('Name'), t('Rate'), t('Taxed product types'), t('Taxed line items'), t('Weight'), array('data' => t('Actions'), 'colspan' => 3));
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$rows = array();
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$result = db_query("SELECT * FROM {uc_taxes} ORDER BY weight");
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while ($rule = db_fetch_object($result)) {
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$rule->taxed_product_types = (array)unserialize($rule->taxed_product_types);
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$rule->taxed_line_items = (array)unserialize($rule->taxed_line_items);
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$rows[] = array($rule->name, $rule->rate * 100 .'%', implode(', ', $rule->taxed_product_types), implode(', ', $rule->taxed_line_items), $rule->weight, l(t('edit'), 'admin/store/settings/taxes/edit/'. $rule->id), l(t('copy'), 'admin/store/settings/taxes/copy/'. $rule->id), l(t('delete'), 'admin/store/settings/taxes/delete/'. $rule->id));
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}
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$output = theme('table', $header, $rows);
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$output .= l('Make a new tax rule.', 'admin/store/settings/taxes/edit');
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return $output;
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}
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/**
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* Create or edit a tax rule.
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*
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* @ingroup forms
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* @see uc_taxes_form_submit
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*/
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function uc_taxes_form($form_state, $tax_id = 0) {
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$form = array();
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if ($tax_id != 0) {
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$form_state['values'] = db_fetch_array(db_query("SELECT * FROM {uc_taxes} WHERE id = %d", $tax_id));
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$form_state['values']['taxed_product_types'] = array_values(unserialize($form_state['values']['taxed_product_types']));
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$form_state['values']['taxed_line_items'] = array_values(unserialize($form_state['values']['taxed_line_items']));
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}
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$form['id'] = array('#type' => 'hidden', '#value' => $form_state['values']['id']);
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$form['name'] = array('#type' => 'textfield',
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'#title' => t('Name'),
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'#default_value' => isset($form_state['values']['name']) ? $form_state['values']['name'] : '',
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'#required' => true,
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);
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$form['rate'] = array('#type' => 'textfield',
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'#title' => t('Rate'),
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'#description' => t('The tax rate as a percent or decimal. Examples: 6%, .06'),
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'#default_value' => isset($form_state['values']['rate']) ? $form_state['values']['rate'] : '',
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'#size' => 15,
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'#required' => true,
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);
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$types = array();
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$node_types = module_invoke_all('node_info');
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$product_types = module_invoke_all('product_types');
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foreach ($product_types as $type) {
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$types[$type] = $node_types[$type]['name'];
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}
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$form['taxed_product_types'] = array('#type' => 'checkboxes',
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'#title' => t('Taxed product types'),
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'#multiple' => true,
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'#options' => $types,
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'#default_value' => isset($form_state['values']['taxed_product_types']) ? $form_state['values']['taxed_product_types'] : NULL,
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'#description' => t('Apply taxes to specific product types.'),
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);
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$options = array();
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foreach (_line_item_list() as $line_item) {
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if (!in_array($line_item['id'], array('subtotal', 'tax_subtotal', 'total'))) {
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$options[$line_item['id']] = $line_item['title'];
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}
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}
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$form['taxed_line_items'] = array('#type' => 'checkboxes',
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'#title' => t('Taxed line items'),
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'#multiple' => true,
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'#options' => $options,
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'#default_value' => isset($form_state['values']['taxed_line_items']) ? $form_state['values']['taxed_line_items'] : NULL,
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'#description' => t('Adds the checked line item types to the total before applying this tax.'),
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);
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$form['weight'] = array('#type' => 'weight',
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'#title' => t('Weight'),
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'#default_value' => isset($form_state['values']['weight']) ? $form_state['values']['weight'] : 0,
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'#description' => t('Lighter taxes are applied to an order first. This value is unimportant if there are no taxes on tax line items.'),
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);
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$form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));
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return $form;
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}
|
| 253 |
|
| 254 |
/**
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| 255 |
* Submit handler for uc_taxes_form().
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| 256 |
*/
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| 257 |
function uc_taxes_form_submit($form, &$form_state) {
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| 258 |
if ($form_state['values']['op'] == t('Submit')) {
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| 259 |
if (strpos($form_state['values']['rate'], '%')) {
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| 260 |
$rate = floatval($form_state['values']['rate']) / 100;
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}
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else {
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| 263 |
$rate = floatval($form_state['values']['rate']);
|
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}
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| 265 |
if (($form_state['values']['id']) != '') {
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db_query("UPDATE {uc_taxes} SET name = '%s', rate = %f, taxed_product_types = '%s', taxed_line_items = '%s', weight = %d WHERE id = %d",
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$form_state['values']['name'], $rate, serialize(array_filter($form_state['values']['taxed_product_types'])), serialize(array_filter($form_state['values']['taxed_line_items'])), $form_state['values']['weight'], $form_state['values']['id']
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);
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}
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else {
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| 271 |
db_query("INSERT INTO {uc_taxes} (name, rate, taxed_product_types, taxed_line_items, weight) VALUES ('%s', %f, '%s', '%s', %d)",
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$form_state['values']['name'], $rate, serialize(array_filter($form_state['values']['taxed_product_types'])), serialize(array_filter($form_state['values']['taxed_line_items'])), $form_state['values']['weight']
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| 273 |
);
|
| 274 |
}
|
| 275 |
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| 276 |
drupal_set_message(t('%name settings have been saved.', array('%name' => $form_state['values']['name'])));
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| 277 |
}
|
| 278 |
$form_state['redirect'] = 'admin/store/settings/taxes';
|
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}
|
| 280 |
|
| 281 |
/**
|
| 282 |
* Copy a tax rule.
|
| 283 |
*/
|
| 284 |
function uc_taxes_copy($tax_id) {
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| 285 |
$rule = db_fetch_array(db_query("SELECT * FROM {uc_taxes} WHERE id = %d", $tax_id));
|
| 286 |
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| 287 |
db_query("INSERT INTO {uc_taxes} (name, rate, taxed_product_types, taxed_line_items, weight) VALUES ('%s', %f, '%s', '%s', %d)",
|
| 288 |
t('Copy of @rule', array('%rule' => $rule['name'])), $rule['rate'], $rule['taxed_product_types'], $rule['taxed_line_items'], $rule['weight']
|
| 289 |
);
|
| 290 |
|
| 291 |
drupal_goto('admin/store/settings/taxes');
|
| 292 |
}
|
| 293 |
|
| 294 |
/**
|
| 295 |
* Delete a tax rule.
|
| 296 |
*
|
| 297 |
* @ingroup forms
|
| 298 |
* @see uc_taxes_delete_submit
|
| 299 |
*/
|
| 300 |
function uc_taxes_delete($tax_id = 0) {
|
| 301 |
//drupal_set_message($tax_id);
|
| 302 |
if ($tax_id != 0) {
|
| 303 |
$rule = db_fetch_object(db_query("SELECT * FROM {uc_taxes} WHERE id = %d", $tax_id));
|
| 304 |
$form = array(
|
| 305 |
'id' => array('#type' => 'value', '#value' => $tax_id),
|
| 306 |
);
|
| 307 |
$output = confirm_form($form, t('Delete !rule?', array('!rule' => $rule->name)), 'admin/store/settings/taxes', '', t('Continue'), t('Cancel'));
|
| 308 |
return $output;
|
| 309 |
}
|
| 310 |
else {
|
| 311 |
drupal_goto('admin/store/settings/taxes');
|
| 312 |
}
|
| 313 |
}
|
| 314 |
|
| 315 |
/**
|
| 316 |
* Submit handler for uc_taxes_delete().
|
| 317 |
*/
|
| 318 |
function uc_taxes_delete_submit($form, &$form_state) {
|
| 319 |
if ($form_state['values']['confirm']) {
|
| 320 |
db_query("DELETE FROM {uc_taxes} WHERE id = %d", $form_state['values']['id']);
|
| 321 |
ca_delete_predicate('uc_taxes_'. $form_state['values']['id']);
|
| 322 |
}
|
| 323 |
|
| 324 |
drupal_set_message(t('Tax rule deleted.'));
|
| 325 |
|
| 326 |
$form_state['redirect'] = 'admin/store/settings/taxes';
|
| 327 |
}
|
| 328 |
|
| 329 |
/**
|
| 330 |
* Handle the tax line item.
|
| 331 |
*/
|
| 332 |
function uc_line_item_tax($op, $order) {
|
| 333 |
switch ($op) {
|
| 334 |
case 'cart-preview':
|
| 335 |
$taxes = uc_taxes_calculate($order);
|
| 336 |
$script = '';
|
| 337 |
foreach ($taxes as $tax) {
|
| 338 |
$script .= "set_line_item('tax_". $tax->id ."', '". $tax->name ."', ". $tax->amount .", + ". variable_get('uc_li_tax_weight', 9) + ($tax->weight / 10) .", 1, false);\n";
|
| 339 |
}
|
| 340 |
if ($script) {
|
| 341 |
uc_add_js("\$(document).ready(function() {
|
| 342 |
if (window.set_line_item) {
|
| 343 |
". $script .";
|
| 344 |
render_line_items();
|
| 345 |
}
|
| 346 |
});", 'inline');
|
| 347 |
}
|
| 348 |
break;
|
| 349 |
case 'load':
|
| 350 |
$lines = array();
|
| 351 |
$taxes = uc_taxes_calculate($order);
|
| 352 |
foreach ($taxes as $tax) {
|
| 353 |
$lines[] = array(
|
| 354 |
'id' => 'tax',
|
| 355 |
'title' => $tax->name,
|
| 356 |
'amount' => $tax->amount,
|
| 357 |
'weight' => variable_get('uc_li_tax_weight', 9) + $tax->weight / 10,
|
| 358 |
);
|
| 359 |
}
|
| 360 |
return $lines;
|
| 361 |
}
|
| 362 |
}
|
| 363 |
|
| 364 |
function uc_line_item_tax_subtotal($op, $order) {
|
| 365 |
$amount = 0;
|
| 366 |
if (is_array($order->products)) {
|
| 367 |
foreach ($order->products as $item) {
|
| 368 |
$amount += $item->price * $item->qty;
|
| 369 |
}
|
| 370 |
}
|
| 371 |
if (is_array($order->line_items)) {
|
| 372 |
foreach ($order->line_items as $key => $line_item) {
|
| 373 |
if (substr($line_item['type'], 0, 3) != 'tax') {
|
| 374 |
$amount += $line_item['amount'];
|
| 375 |
$different = true;
|
| 376 |
}
|
| 377 |
else {
|
| 378 |
$has_taxes = true;
|
| 379 |
}
|
| 380 |
}
|
| 381 |
}
|
| 382 |
if (is_array($order->taxes)) {
|
| 383 |
$has_taxes = true;
|
| 384 |
}
|
| 385 |
if ($different && $has_taxes) {
|
| 386 |
switch ($op) {
|
| 387 |
case 'cart-preview':
|
| 388 |
uc_add_js("\$(document).ready(function() {
|
| 389 |
if (window.set_line_item) {
|
| 390 |
set_line_item('tax_subtotal', '". t('Subtotal excluding taxes') ."', ". $amount .", ". variable_get('uc_li_tax_subtotal_weight', 8) .");
|
| 391 |
}
|
| 392 |
});", 'inline');
|
| 393 |
break;
|
| 394 |
case 'load':
|
| 395 |
return array(array(
|
| 396 |
'id' => 'tax_subtotal',
|
| 397 |
'title' => t('Subtotal excluding taxes'),
|
| 398 |
'amount' => $amount,
|
| 399 |
'weight' => variable_get('uc_li_tax_subtotal_weight', 7),
|
| 400 |
));
|
| 401 |
}
|
| 402 |
}
|
| 403 |
}
|
| 404 |
|
| 405 |
/******************************************************************************
|
| 406 |
* Module and Helper Functions
|
| 407 |
******************************************************************************/
|
| 408 |
|
| 409 |
/**
|
| 410 |
* Load all tax rates.
|
| 411 |
*/
|
| 412 |
function uc_taxes_get_rates() {
|
| 413 |
static $taxes = array();
|
| 414 |
|
| 415 |
if (empty($taxes)) {
|
| 416 |
$result = db_query("SELECT * FROM {uc_taxes} ORDER BY weight");
|
| 417 |
while ($rule = db_fetch_object($result)) {
|
| 418 |
$rule->taxed_product_types = unserialize($rule->taxed_product_types);
|
| 419 |
$rule->taxed_line_items = unserialize($rule->taxed_line_items);
|
| 420 |
$taxes[$rule->id] = $rule;
|
| 421 |
}
|
| 422 |
}
|
| 423 |
|
| 424 |
return $taxes;
|
| 425 |
}
|
| 426 |
|
| 427 |
/**
|
| 428 |
* Calculate the amount and types of taxes that apply to an order.
|
| 429 |
*/
|
| 430 |
function uc_taxes_calculate($order) {
|
| 431 |
global $user;
|
| 432 |
if (is_numeric($order)) {
|
| 433 |
$order = uc_order_load($order);
|
| 434 |
$account = user_load(array('uid' => $order->uid));
|
| 435 |
}
|
| 436 |
else if ((int)$order->uid) {
|
| 437 |
$account = user_load(array('uid' => intval($order->uid)));
|
| 438 |
}
|
| 439 |
else {
|
| 440 |
$account = $user;
|
| 441 |
}
|
| 442 |
if (!is_object($order)) {
|
| 443 |
return array();
|
| 444 |
}
|
| 445 |
if (empty($order->delivery_postal_code)) {
|
| 446 |
$order->delivery_postal_code = $order->billing_postal_code;
|
| 447 |
}
|
| 448 |
if (empty($order->delivery_zone)) {
|
| 449 |
$order->delivery_zone = $order->billing_zone;
|
| 450 |
}
|
| 451 |
if (empty($order->delivery_country)) {
|
| 452 |
$order->delivery_country = $order->billing_country;
|
| 453 |
}
|
| 454 |
if (is_array($order->line_items)) {
|
| 455 |
foreach ($order->line_items as $i => $line) {
|
| 456 |
if (substr($line['type'], 0, 4) == 'tax_' && substr($line['type'], 5) != 'subtotal') {
|
| 457 |
unset($order->line_items[$i]);
|
| 458 |
}
|
| 459 |
}
|
| 460 |
}
|
| 461 |
$_SESSION['taxes'] = array();
|
| 462 |
$taxes = uc_taxes_get_rates();
|
| 463 |
$order->taxes = array();
|
| 464 |
$arguments = array(
|
| 465 |
'order' => array(
|
| 466 |
'#entity' => 'uc_order',
|
| 467 |
'#title' => t('Order'),
|
| 468 |
'#data' => $order,
|
| 469 |
),
|
| 470 |
'tax' => array(
|
| 471 |
'#entity' => 'tax',
|
| 472 |
'#title' => t('Tax rule'),
|
| 473 |
// #data => each $tax in the following foreach() loop;
|
| 474 |
),
|
| 475 |
'account' => array(
|
| 476 |
'#entity' => 'user',
|
| 477 |
'#title' => t('User'),
|
| 478 |
'#data' => $account,
|
| 479 |
),
|
| 480 |
);
|
| 481 |
foreach ($taxes as $tax) {
|
| 482 |
$arguments['tax']['#data'] = $tax;
|
| 483 |
$predicates = ca_load_trigger_predicates('calculate_tax_'. $tax->id);
|
| 484 |
if (ca_evaluate_conditions($predicates['uc_taxes_'. $tax->id], $arguments)) {
|
| 485 |
$line_item = uc_taxes_action_apply_tax($order, $tax);
|
| 486 |
if ($line_item) {
|
| 487 |
$order->taxes[$line_item->id] = $line_item;
|
| 488 |
}
|
| 489 |
}
|
| 490 |
}
|
| 491 |
return $order->taxes;
|
| 492 |
}
|
| 493 |
|
| 494 |
/**
|
| 495 |
* AJAX callback for order preview.
|
| 496 |
*
|
| 497 |
* Calculate tax amounts for an order in the payment checkout pane.
|
| 498 |
*/
|
| 499 |
function uc_taxes_javascript() {
|
| 500 |
drupal_set_header("Content-Type: text/javascript; charset=utf-8");
|
| 501 |
$order = $_POST['order'];
|
| 502 |
if ($order = unserialize(rawurldecode($order))) {
|
| 503 |
$taxes = uc_taxes_calculate($order);
|
| 504 |
$subtotal = uc_line_item_tax_subtotal('load', $order);
|
| 505 |
if (is_array($subtotal) && !empty($taxes)) {
|
| 506 |
$taxes['subtotal'] = array('id' => 'subtotal', 'name' => $subtotal[0]['title'], 'amount' => $subtotal[0]['amount'], 'weight' => -10);
|
| 507 |
}
|
| 508 |
//drupal_set_message('<pre>'. print_r($taxes, true) .'</pre>');
|
| 509 |
if (count($taxes)) {
|
| 510 |
print drupal_to_js((array)$taxes);
|
| 511 |
}
|
| 512 |
else {
|
| 513 |
print '{}';
|
| 514 |
}
|
| 515 |
}
|
| 516 |
else {
|
| 517 |
print '{}';
|
| 518 |
}
|
| 519 |
exit();
|
| 520 |
}
|
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