Mengenrabatt

[tom4545]

ich versuche gerade ein osc-modul f?r prozentualen mengenrabatt umzubauen.

leider h?ngt das ding noch wegen der unterschiedlichen datenbankstruktur.

kann mir da mal jemad auf die spr?nge helfen?

<?php

/*

<<<<<<< ot_lev_discount.php

 $Id: ot_lev_discount.php,v 1.0 2002/04/08 01:13:43 hpdl Exp $

=======

 $Id: ot_lev_discount.php,v 1.3 2002/09/04 22:49:11 wilt Exp $

 $Id: ot_lev_discount.php,v 2.4 2006/02/28 12:10:01 maniac101 Exp $

modified to calc discount correctly when tax is included in discount

>>>>>>> 2.4


 osCommerce, Open Source E-Commerce Solutions

 http://www.oscommerce.com


 Copyright (c) 2002 osCommerce


 Released under the GNU General Public License

*/

////

 class ot_lev {

  var $title, $output;


  function ot_lev() {

   $this->code = 'ot_lev';

   $this->title = MODULE_ORDER_TOTAL_LEV_TITLE;

   $this->description = MODULE_ORDER_TOTAL_LEV_DESCRIPTION;

   $this->enabled = MODULE_ORDER_TOTAL_LEV_STATUS;

   $this->sort_order = MODULE_ORDER_TOTAL_LEV_SORT_ORDER;

   $this->include_shipping = MODULE_ORDER_TOTAL_ORDER_TOTAL_LEV_INC_SHIPPING;

   $this->include_tax = MODULE_LEV_INC_TAX;

   $this->calculate_tax = MODULE_ORDER_TOTAL_LEV_CALC_TAX;

   $this->table = MODULE_ORDER_TOTAL_LEV_TABLE;

   $this->credit_class = false;

   $this->output = array();

  }

///////

  function process() {

   global $order, $subtotal, $currencies;

   $od_amount = $this->calculate_credit($this->get_order_total());

   if ($od_amount>0) {

   $this->deduction = $od_amount;

   $this->output[] = array('title' => $this->title . ':',

               'text' => '<b>' . $currencies->format($od_amount) . '</b>',

               'value' => $od_amount);

  $order->info['total'] = $order->info['total'] - $od_amount;

  if ($this->sort_order < $subtotal->sort_order) {

   $order->info['subtotal'] = $order->info['subtotal'] - $od_amount;

  }

}

  }



 function calculate_credit($amount) {

  global $order;

  $od_amount=0;

  $table_cost = split("[:,]" , MODULE_ORDER_TOTAL_LEV_TABLE);

  for ($i = 0; $i < count($table_cost); $i+=2) {

     if ($amount >= $table_cost[$i]) {

      $od_pc = $table_cost[$i+1];

     }

    }

// Calculate tax reduction if necessary

  if($this->calculate_tax == 'true') {

// Calculate main tax reduction

   $tod_amount = round($order->info['tax']*10)/10*$od_pc/100;

   $order->info['tax'] = $order->info['tax'] - $tod_amount;

// Calculate tax group deductions

   reset($order->info['tax_groups']);

   while (list($key, $value) = each($order->info['tax_groups'])) {

    $god_amount = round($value*10)/10*$od_pc/100;

    $order->info['tax_groups'][$key] = $order->info['tax_groups'][$key] - $god_amount;

   } 

  }

  $od_amount = round($amount*10)/10*$od_pc/100;

//  $od_amount = $od_amount + $tod_amount;

// maniac101 above line was adding tax back into discount incorrectly for me

  return $od_amount;

 }



 function get_order_total() {

  global $order, $cart;

  $order_total = $order->info['total'];

// Check if gift voucher is in cart and adjust total

  $products = $cart->get_products();

  for ($i=0; $i<sizeof($products); $i++) {

   $t_prid = xtc_get_prid($products[$i]['id']);

   $gv_query = xtc_db_query("select products_price, products_tax_class_id, products_model from " . TABLE_PRODUCTS . " where products_id = '" . $t_prid . "'");

   $gv_result = xtc_db_fetch_array($gv_query);

   if (ereg('GIFT', addslashes($gv_result['products_model']))) { 

   $qty = $cart->get_quantity($t_prid);

    $products_tax = xtc_get_tax_rate($gv_result['products_tax_class_id']);

    if ($this->include_tax =='false') {

      $gv_amount = $gv_result['products_price'] * $qty;

   } else {

     $gv_amount = ($gv_result['products_price'] + xtc_calculate_tax($gv_result['products_price'],      $products_tax)) * $qty;

 }

   $order_total=$order_total - $gv_amount;

   }

  }

  if ($this->include_tax == 'false') $order_total=$order_total-$order->info['tax'];

  if ($this->include_shipping == 'false') $order_total=$order_total-$order->info['shipping_cost'];

  return $order_total;

 }  


 ////// 


  function check() {

   if (!isset($this->check)) {

    $check_query = xtc_db_query("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_ORDER_TOTAL_LEV_STATUS'");

    $this->check = xtc_db_num_rows($check_query);

   }


   return $this->check;

  }

/////

  function keys() {

   return array('MODULE_ORDER_TOTAL_LEV_STATUS', 'MODULE_ORDER_TOTAL_LEV_SORT_ORDER','MODULE_ORDER_TOTAL_LEV_TABLE', 'MODULE_ORDER_TOTAL_LEV_INC_SHIPPING', 'MODULE_ORDER_TOTAL_LEV_INC_TAX','MODULE_ORDER_TOTAL_LEV_CALC_TAX');

  }

///////

  function install() {



   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, set_function, date_added) values ('MODULE_ORDER_TOTAL_LEV_STATUS', 'true', '6', '1','xtc_cfg_select_option(array(\'true\', \'false\'), ', now())");

   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, date_added) values ('MODULE_ORDER_TOTAL_LEV_SORT_ORDER', '999', '6', '2', now())"); 

   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, set_function ,date_added) values ( 'MODULE_ORDER_TOTAL_LEV_INC_SHIPPING',

 'true', '6', '3', 'xtc_cfg_select_option(array(\'true\', \'false\'), ', now())");

   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, set_function ,date_added) values ('MODULE_ORDER_TOTAL_LEV_INC_TAX', 'true', '6', '4','xtc_cfg_select_option(array(\'true\', \'false\'), ', now())");

   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, set_function ,date_added) values ('MODULE_ORDER_TOTAL_LEV_CALC_TAX', 'false', '6', '5','xtc_cfg_select_option(array(\'true\', \'false\'), ', now())"); 

   xtc_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_key, configuration_value, configuration_group_id, sort_order, date_added) values ('MODULE_ORDER_TOTAL_LEV_TABLE', '', '6', '6', now())");

  }


  function remove() {

   xtc_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");

  }

 }

?>