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<?php
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/*
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$Id: shipping.php 422 2006-02-09 13:36:08Z hpdl $
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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Copyright (c) 2006 osCommerce
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Released under the GNU General Public License
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*/
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class osC_Shipping {
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var $_modules = array(),
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$_quotes = array(),
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$_shipping_boxes = 1,
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$_shipping_weight = 0;
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// class constructor
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function osC_Shipping($module = '') {
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global $osC_Language;
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if (isset($_SESSION['osC_Shipping_data']) === false) {
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$_SESSION['osC_Shipping_data'] = array('shipping_boxes' => 1,
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'shipping_weight' => 0,
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'quotes' => array());
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}
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$this->_shipping_boxes =& $_SESSION['osC_Shipping_data']['shipping_boxes'];
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$this->_shipping_weight =& $_SESSION['osC_Shipping_data']['shipping_weight'];
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$this->_quotes =& $_SESSION['osC_Shipping_data']['quotes'];
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if (defined('MODULE_SHIPPING_INSTALLED') && (osc_empty(MODULE_SHIPPING_INSTALLED) === false)) {
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$this->_modules = explode(';', MODULE_SHIPPING_INSTALLED);
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$include_modules = array();
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if ( (empty($module) === false) && (in_array(substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($_SERVER['PHP_SELF'], (strrpos($_SERVER['PHP_SELF'], '.')+1)), $this->_modules)) ) {
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$include_modules[] = array('class' => substr($module['id'], 0, strpos($module['id'], '_')), 'file' => substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($_SERVER['PHP_SELF'], (strrpos($_SERVER['PHP_SELF'], '.')+1)));
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} else {
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foreach ($this->_modules as $value) {
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$class = substr($value, 0, strrpos($value, '.'));
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$include_modules[] = array('class' => $class, 'file' => $value);
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}
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}
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$osC_Language->load('modules-shipping');
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foreach ($include_modules as $module) {
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include('includes/modules/shipping/' . $module['file']);
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$GLOBALS[$module['class']] = new $module['class'];
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$GLOBALS[$module['class']]->prepare();
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}
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}
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}
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function calculateQuotes($method = '', $module = '') {
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global $osC_ShoppingCart;
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$this->_quotes = array();
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if (is_array($this->_modules)) {
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$this->_shipping_weight = $osC_ShoppingCart->getWeight();
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if (SHIPPING_BOX_WEIGHT >= ($this->_shipping_weight * SHIPPING_BOX_PADDING/100)) {
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$this->_shipping_weight = $this->_shipping_weight + SHIPPING_BOX_WEIGHT;
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} else {
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$this->_shipping_weight = $this->_shipping_weight + ($this->_shipping_weight * SHIPPING_BOX_PADDING/100);
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}
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if ($this->_shipping_weight > SHIPPING_MAX_WEIGHT) { // Split into many boxes
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$this->_shipping_boxes = ceil($this->_shipping_weight / SHIPPING_MAX_WEIGHT);
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$this->_shipping_weight = $this->_shipping_weight / $this->_shipping_boxes;
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}
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$include_quotes = array();
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if (defined('MODULE_SHIPPING_FREE_STATUS') && (MODULE_SHIPPING_FREE_STATUS == 'True') && ($GLOBALS['free']->enabled)) {
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$include_quotes[] = 'free';
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} else {
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foreach ($this->_modules as $value) {
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$class = substr($value, 0, strrpos($value, '.'));
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if (tep_not_null($module)) {
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if ( ($module == $class) && ($GLOBALS[$class]->enabled) ) {
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$include_quotes[] = $class;
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}
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} elseif ($GLOBALS[$class]->enabled) {
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$include_quotes[] = $class;
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}
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}
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}
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foreach ($include_quotes as $module) {
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$quotes = $GLOBALS[$module]->quote($method);
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if (is_array($quotes)) {
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$this->_quotes[] = $quotes;
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}
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}
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}
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}
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function hasQuotes() {
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return !empty($this->_quotes);
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}
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function numberOfQuotes() {
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$total_quotes = 0;
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foreach ($this->_quotes as $quotes) {
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$total_quotes += sizeof($quotes['methods']);
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}
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return $total_quotes;
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}
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function getQuotes($method = '', $module = '') {
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if ( (empty($method) === false) && (empty($module) === false) ) {
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foreach ($this->_quotes as $quote) {
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if ($quote['id'] == $module) {
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foreach ($quote['methods'] as $quote_method) {
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if ($quote_method['id'] == $method) {
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return array('id' => $quote['id'],
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'module' => $quote['module'],
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'methods' => $quote_method,
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'tax' => $quote['tax']);
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}
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}
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}
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}
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}
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return $this->_quotes;
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}
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function getCheapestQuote() {
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if (is_array($this->_modules)) {
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$rates = array();
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foreach ($this->_modules as $value) {
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$class = substr($value, 0, strrpos($value, '.'));
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if ($GLOBALS[$class]->enabled) {
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$quotes = $GLOBALS[$class]->quotes;
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for ($i=0, $n=sizeof($quotes['methods']); $i<$n; $i++) {
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if (isset($quotes['methods'][$i]['cost']) && tep_not_null($quotes['methods'][$i]['cost'])) {
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$rates[] = array('id' => $quotes['id'] . '_' . $quotes['methods'][$i]['id'],
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'title' => $quotes['module'] . ' (' . $quotes['methods'][$i]['title'] . ')',
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'cost' => $quotes['methods'][$i]['cost']);
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}
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}
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}
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}
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$cheapest = false;
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for ($i=0, $n=sizeof($rates); $i<$n; $i++) {
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if (is_array($cheapest)) {
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if ($rates[$i]['cost'] < $cheapest['cost']) {
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$cheapest = $rates[$i];
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}
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} else {
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$cheapest = $rates[$i];
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}
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}
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return $cheapest;
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}
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}
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}
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?>
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