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   1  <?php
   2  /**

   3   * shipping class

   4   *

   5   * @package classes

   6   * @copyright Copyright 2003-2006 Zen Cart Development Team

   7   * @copyright Portions Copyright 2003 osCommerce

   8   * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0

   9   * @version $Id: shipping.php 5381 2006-12-24 18:21:59Z drbyte $

  10   */
  11  if (!defined('IS_ADMIN_FLAG')) {
  12    die('Illegal Access');
  13  }
  14  /**

  15   * shipping class

  16   * Class used for interfacing with shipping modules

  17   *

  18   * @package classes

  19   */
  20  class shipping extends base {
  21    var $modules;
  22  
  23    // class constructor

  24    function shipping($module = '') {
  25      global $PHP_SELF;
  26  
  27      if (defined('MODULE_SHIPPING_INSTALLED') && zen_not_null(MODULE_SHIPPING_INSTALLED)) {
  28        $this->modules = explode(';', MODULE_SHIPPING_INSTALLED);
  29  
  30        $include_modules = array();
  31  
  32        if ( (zen_not_null($module)) && (in_array(substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($PHP_SELF, (strrpos($PHP_SELF, '.')+1)), $this->modules)) ) {
  33          $include_modules[] = array('class' => substr($module['id'], 0, strpos($module['id'], '_')), 'file' => substr($module['id'], 0, strpos($module['id'], '_')) . '.' . substr($PHP_SELF, (strrpos($PHP_SELF, '.')+1)));
  34        } else {
  35          reset($this->modules);
  36          while (list(, $value) = each($this->modules)) {
  37            $class = substr($value, 0, strrpos($value, '.'));
  38            $include_modules[] = array('class' => $class, 'file' => $value);
  39          }
  40        }
  41  
  42        for ($i=0, $n=sizeof($include_modules); $i<$n; $i++) {
  43          //          include(DIR_WS_LANGUAGES . $_SESSION['language'] . '/modules/shipping/' . $include_modules[$i]['file']);

  44          include_once(zen_get_file_directory(DIR_WS_LANGUAGES . $_SESSION['language'] . '/modules/shipping/', $include_modules[$i]['file'], 'false'));
  45          include_once(DIR_WS_MODULES . 'shipping/' . $include_modules[$i]['file']);
  46  
  47          $GLOBALS[$include_modules[$i]['class']] = new $include_modules[$i]['class'];
  48        }
  49      }
  50    }
  51  
  52    function quote($method = '', $module = '') {
  53      global $total_weight, $shipping_weight, $shipping_quoted, $shipping_num_boxes;
  54  
  55      $quotes_array = array();
  56  
  57      if (is_array($this->modules)) {
  58        $shipping_quoted = '';
  59        $shipping_num_boxes = 1;
  60        $shipping_weight = $total_weight;
  61  
  62        $za_tare_array = split("[:,]" , SHIPPING_BOX_WEIGHT);
  63        $zc_tare_percent= $za_tare_array[0];
  64        $zc_tare_weight= $za_tare_array[1];
  65  
  66        $za_large_array = split("[:,]" , SHIPPING_BOX_PADDING);
  67        $zc_large_percent= $za_large_array[0];
  68        $zc_large_weight= $za_large_array[1];
  69  
  70        // SHIPPING_BOX_WEIGHT = tare

  71        // SHIPPING_BOX_PADDING = Large Box % increase

  72        // SHIPPING_MAX_WEIGHT = Largest package

  73  
  74        /*

  75        if (SHIPPING_BOX_WEIGHT >= $shipping_weight*SHIPPING_BOX_PADDING/100) {

  76        $shipping_weight = $shipping_weight+SHIPPING_BOX_WEIGHT;

  77        } else {

  78        $shipping_weight = $shipping_weight + ($shipping_weight*SHIPPING_BOX_PADDING/100);

  79        }

  80        */
  81  
  82        switch (true) {
  83          // large box add padding

  84          case(SHIPPING_MAX_WEIGHT <= $shipping_weight):
  85          $shipping_weight = $shipping_weight + ($shipping_weight*($zc_large_percent/100)) + $zc_large_weight;
  86          break;
  87          default:
  88          // add tare weight < large

  89          $shipping_weight = $shipping_weight + ($shipping_weight*($zc_tare_percent/100)) + $zc_tare_weight;
  90          break;
  91        }
  92  
  93        if ($shipping_weight > SHIPPING_MAX_WEIGHT) { // Split into many boxes
  94        $shipping_num_boxes = ceil($shipping_weight/SHIPPING_MAX_WEIGHT);
  95        $shipping_weight = $shipping_weight/$shipping_num_boxes;
  96        }
  97  
  98        $include_quotes = array();
  99  
 100        reset($this->modules);
 101        while (list(, $value) = each($this->modules)) {
 102          $class = substr($value, 0, strrpos($value, '.'));
 103          if (zen_not_null($module)) {
 104            if ( ($module == $class) && ($GLOBALS[$class]->enabled) ) {
 105              $include_quotes[] = $class;
 106            }
 107          } elseif ($GLOBALS[$class]->enabled) {
 108            $include_quotes[] = $class;
 109          }
 110        }
 111  
 112        $size = sizeof($include_quotes);
 113        for ($i=0; $i<$size; $i++) {
 114          $quotes = $GLOBALS[$include_quotes[$i]]->quote($method);
 115          if (is_array($quotes)) $quotes_array[] = $quotes;
 116        }
 117      }
 118  
 119      return $quotes_array;
 120    }
 121  
 122    function cheapest() {
 123      if (is_array($this->modules)) {
 124        $rates = array();
 125  
 126        reset($this->modules);
 127        while (list(, $value) = each($this->modules)) {
 128          $class = substr($value, 0, strrpos($value, '.'));
 129          if ($GLOBALS[$class]->enabled) {
 130            $quotes = $GLOBALS[$class]->quotes;
 131            $size = sizeof($quotes['methods']);
 132            for ($i=0; $i<$size; $i++) {
 133              //              if ($quotes['methods'][$i]['cost']) {

 134              if (isset($quotes['methods'][$i]['cost'])){
 135                $rates[] = array('id' => $quotes['id'] . '_' . $quotes['methods'][$i]['id'],
 136                'title' => $quotes['module'] . ' (' . $quotes['methods'][$i]['title'] . ')',
 137                'cost' => $quotes['methods'][$i]['cost'],
 138                'module' => $quotes['id']
 139                );
 140              }
 141            }
 142          }
 143        }
 144  
 145        $cheapest = false;
 146        $size = sizeof($rates);
 147        for ($i=0; $i<$size; $i++) {
 148          if (is_array($cheapest)) {
 149            // never quote storepickup as lowest - needs to be configured in shipping module

 150            if ($rates[$i]['cost'] < $cheapest['cost'] and $rates[$i]['module'] != 'storepickup') {
 151              $cheapest = $rates[$i];
 152            }
 153          } else {
 154            if ($rates[$i]['module'] != 'storepickup') {
 155              $cheapest = $rates[$i];
 156            }
 157          }
 158        }
 159  
 160        return $cheapest;
 161      }
 162    }
 163  }
 164  ?>