BASKET.PHP discount scripting for VM2

[stroker707]

See below the scripting from a prior version of VM which was in my basket.php file.  I started over and installed new VM2 and rebuilt all products. The scripting from prior version in basket.php is a discount scheme based upon multiple purchases, coupon code and total overall sale price.  Where can I place the prior basket.php script to make the discount scheme work in the new VM2? 

See scripting below:

<?php
if( !defined( '_VALID_MOS' ) && !defined( '_JEXEC' ) ) die( 'Direct Access to '.basename(__FILE__).' is not allowed.' );
/**
* This file is the CART handler. It calculates the totals and
* uses the basket templates to show the listing to the user
*
* This version of the basket allows to change quantities and delete products from the cart
* The ro_basket (=read only) doesn't allow that.
*
* @version $Id: basket.php 2712 2011-02-13 15:11:50Z zanardi $
* @package VirtueMart
* @subpackage html
* @copyright Copyright (C) 2004-2008 soeren - All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See /administrator/components/com_virtuemart/COPYRIGHT.php for copyright notices and details.
*
* http://virtuemart.net
*/
mm_showMyFileName( __FILE__ );

require_once(CLASSPATH. 'ps_product.php' );
$ps_product = new ps_product;
require_once(CLASSPATH. 'ps_checkout.php' );
$ps_checkout = new ps_checkout;
require_once(CLASSPATH . 'ps_shipping_method.php' );

global $weight_total, $total, $tax_total, $order_tax_details, $discount_factor, $order_total;

/* make sure this is the checkout screen */
if ($cart["idx"] == 0) {
   $basket_html = $VM_LANG->_('PHPSHOP_EMPTY_CART');
   $checkout = False;
}
else {
   $checkout = True;

   $total = 0;
   $grandSubtotal = 0;
   // Added for the zone shipping module
   $vars["zone_qty"] = 0;
   $weight_total = 0;
   $weight_subtotal = 0;
   $tax_total = 0;
   $shipping_total = 0;
   $shipping_tax = 0;
   $order_total = 0;
   $discount_before=$discount_after=$show_tax=$shipping=false;
   $product_rows = Array();
$_SESSION['pro'] = 0;
$subtotalr = 0;
$_SESSION['coupon_discount'] = 0;
   for ($i=0;$i<$cart["idx"];$i++) {
      // Added for the zone shipping module
      $vars["zone_qty"] += $cart[$i]["quantity"];

      if ($i % 2) $product_rows[$i]['row_color'] = "sectiontableentry2";
      else $product_rows[$i]['row_color'] = "sectiontableentry1";

      // Get product parent id if exists
      $product_parent_id=$ps_product->get_field($cart[$i]["product_id"],"product_parent_id");

      // Get flypage for this product
        $flypage_id = $product_parent_id;
        if($flypage_id == 0) {
            $flypage_id = $cart[$i]["product_id"];
        }
      $flypage = $ps_product->get_flypage($flypage_id);
        $category_id = vmGet( $cart[$i], 'category_id', 0 );
      // Build URL based on whether item or product
      if ($product_parent_id) {
         $url = $sess->url(URL . basename($_SERVER['PHP_SELF'])."?page=shop.product_details&flypage=$flypage&product_id=$product_parent_id&category_id=$category_id");
      }
      else {
         $url = $sess->url(URL . basename($_SERVER['PHP_SELF'])."?page=shop.product_details&flypage=$flypage&product_id=" . $_SESSION['cart'][$i]["product_id"]."&category_id=$category_id");
      }

      $product_rows[$i]['product_name'] = "<a href=\"$url\"><strong>"
      . shopMakeHtmlSafe($ps_product->get_field($_SESSION['cart'][$i]["product_id"], "product_name"))
      . "</strong></a><br />"
      . $ps_product->getDescriptionWithTax( $_SESSION['cart'][$i]["description"], $_SESSION['cart'][$i]["product_id"] );
      
      if(empty($_SESSION['pro']))
      {
         $_SESSION['pro'] = 0;
      }
      if(empty($_SESSION['flag']))
      {
         $_SESSION['flag'] = 0;
      }
      if($category_id == 6){
         $_SESSION['pro'] += $cart[$i]["quantity"];
         }
         
      if($category_id == 6){
      if($_SESSION['pro'] >= 4){   
      $_SESSION['flag'] = 1;
      
      }
      else
      {
         $_SESSION['flag'] = 0;   
         
      }}
      
      // Display attribute values if this an item
      $product_rows[$i]['product_attributes'] = "";
      if ($product_parent_id) {
         $db_detail=$ps_product->attribute_sql($cart[$i]["product_id"],$product_parent_id);
         while ($db_detail->next_record()) {
            $product_rows[$i]['product_attributes'] .= "<br />" . $db_detail->f("attribute_name") . "&nbsp;";
            $product_rows[$i]['product_attributes'] .= "(" . $db_detail->f("attribute_value") . ")";
         }
      }
      $product_rows[$i]['product_sku'] = $ps_product->get_field($cart[$i]["product_id"], "product_sku");

      /* WEIGHT CALCULATION */
      $weight_subtotal = ps_shipping_method::get_weight($cart[$i]["product_id"]) * $cart[$i]['quantity'];
      $weight_total += $weight_subtotal;

      /* Product PRICE */
      $my_taxrate = $ps_product->get_product_taxrate($cart[$i]["product_id"], $weight_subtotal);
      $tax = $my_taxrate * 100;

      $price = $ps_product->get_adjusted_attribute_price($cart[$i]["product_id"], $cart[$i]["description"]);
      $price["product_price"] = $GLOBALS['CURRENCY']->convert( $price["product_price"], $price["product_currency"] );
      
      if( $auth["show_price_including_tax"] == 1 ) {
         $product_price = $price["product_price"] * ($my_taxrate+1);
      } else {
         $product_price = $price["product_price"];
      }

      $product_price = round( $product_price, 2 );
      $product_rows[$i]['product_price'] = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($product_price);

      $subtotal = $product_price * $cart[$i]["quantity"];

      // Rick Glunt 9/25/09 - Remove tax based on coupon amount
      /* TOTAL CALCULATION */   
      //if( PSHOP_COUPONS_ENABLE=='1' && PAYMENT_DISCOUNT_BEFORE=='1') {
      //   if ($auth["show_price_including_tax"] == 0) {
      //      $total += $subtotal;
      //   }
      //   else {
      //      $total += $subtotal - ($_SESSION['coupon_discount'] * $my_taxrate);
      //   }
      //}
      //else {
         $total += $subtotal;
      //}
      $grandSubtotal += $subtotal;
      
      $product_rows[$i]['subtotal'] = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($subtotal);
      $product_rows[$i]['subtotal_with_tax'] = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($subtotal * ($my_taxrate+1));

      if (!empty($my_taxrate) && MULTIPLE_TAXRATES_ENABLE=='1') {

         if( $auth["show_price_including_tax"] == 1 ) {
            eval( "\$message = \"".$VM_LANG->_('PHPSHOP_INCLUDING_TAX')."\";" );
            $product_rows[$i]['subtotal'] .= "&nbsp;".$message;
         }
         else {
            $product_rows[$i]['subtotal'] .= "&nbsp;(+ $tax% ".$VM_LANG->_('PHPSHOP_CART_TAX').")";
         }
      }

      // UPDATE CART / DELETE FROM CART
      $action_url = $mm_action_url.basename($_SERVER['PHP_SELF']);
      $product_rows[$i]['update_form'] = '<form action="'. $action_url .'" method="post" style="display: inline;">
      <input type="hidden" name="option" value="com_virtuemart" />
      <input type="text" title="'. $VM_LANG->_('PHPSHOP_CART_UPDATE') .'" class="inputbox" size="4" maxlength="4" name="quantity" value="'.$cart[$i]["quantity"].'" />
      <input type="hidden" name="page" value="'. $page .'" />
    <input type="hidden" name="func" value="cartUpdate" />
    <input type="hidden" name="product_id" value="'. $_SESSION['cart'][$i]["product_id"] .'" />
    <input type="hidden" name="prod_id" value="'. $_SESSION['cart'][$i]["product_id"] .'" />
    <input type="hidden" name="Itemid" value="'. $sess->getShopItemid() .'" />
    <input type="hidden" name="description" value="'. stripslashes($cart[$i]["description"]).'" />
    <input type="image" name="update" title="'. $VM_LANG->_('PHPSHOP_CART_UPDATE') .'" src="'. VM_THEMEURL .'images/update_quantity_cart.png" alt="'. $VM_LANG->_('PHPSHOP_UPDATE') .'" align="middle" />
  </form>';
      $product_rows[$i]['delete_form'] = '<form action="'.$action_url.'" method="post" name="delete" style="display: inline;">
    <input type="hidden" name="option" value="com_virtuemart" />
    <input type="hidden" name="page" value="'. $page .'" />
    <input type="hidden" name="Itemid" value="'. $sess->getShopItemid() .'" />
    <input type="hidden" name="func" value="cartDelete" />
    <input type="hidden" name="product_id" value="'. $_SESSION['cart'][$i]["product_id"] .'" />
    <input type="hidden" name="description" value="'. $cart[$i]["description"].'" />
     <input type="image" name="delete" title="'. $VM_LANG->_('PHPSHOP_CART_DELETE') .'" src="'. VM_THEMEURL .'images/remove_from_cart.png" alt="'. $VM_LANG->_('PHPSHOP_CART_DELETE') .'" align="middle" />
  </form>';
   } // End of for loop through the Cart
   
   vmRequest::setVar( 'zone_qty', $vars['zone_qty'] );

   $total = $total_undiscounted = round($total, 5);
   
   
   $vars["total"] = $total;
   $subtotal_display = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($grandSubtotal);
   //$subtotalr = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($grandSubtotal);
   $GLOBALS['coupon_error'] = "";

    if (!empty($_POST["do_coupon"]) ) {
   
        /* process the coupon */
      require_once( CLASSPATH . "ps_coupon.php" );
   
      $vars["total"] = $total;
      ps_coupon::process_coupon_code( $vars );
   }
   
   /* HANDLE SHIPPING COSTS */
   if( !empty($shipping_rate_id) && !ps_checkout::noShippingMethodNecessary() ) {
      $shipping = true;
      $vars["weight"] = $weight_total;
      $shipping_total = round( $ps_checkout->_SHIPPING->get_rate ( $vars ), 5 );
      
      $shipping_taxrate = $ps_checkout->_SHIPPING->get_tax_rate();

      // When the Shipping rate is shown including Tax
      // we have to extract the Tax from the Shipping Total
      if( $auth["show_price_including_tax"] == 1 ) {
         $shipping_tax = round($shipping_total- ($shipping_total / (1+$shipping_taxrate)), 5);
      }
      else {
         $shipping_tax = round($shipping_total * $shipping_taxrate, 5);
      }
      
      $shipping_total = $GLOBALS['CURRENCY']->convert( $shipping_total );
      $shipping_display = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($shipping_total);
   }
   else {
      $shipping_total = $shipping_taxrate = 0;
      $shipping_display = "";
   }

   // COUPON DISCOUNT
   $coupon_display = '';

   // SHOW TAX
   $tax_display = '';
   if ( empty($_REQUEST['ship_to_info_id']) && $auth["user_id"] > 0 && !ps_checkout::tax_based_on_vendor_address()){
      $db = new ps_DB;
      $q = "SELECT user_info_id FROM #__{vm}_user_info " ;
      $q .= "WHERE user_id = '" . $auth["user_id"] . "' ";
      $q .= "AND address_type = 'BT' ";
      $db->query( $q ) ;
      $db->next_record() ;

      $_REQUEST['ship_to_info_id'] = $db->f("user_info_id");
      ps_checkout::tax_based_on_vendor_address($_REQUEST['ship_to_info_id']);
   }
   if (!empty($_REQUEST['ship_to_info_id']) || ps_checkout::tax_based_on_vendor_address()) {
      $show_tax = true;

      if ($weight_total != 0 or TAX_VIRTUAL=='1') {
         $order_taxable = $ps_checkout->calc_order_taxable($vars);
         $tax_total = $ps_checkout->calc_order_tax($order_taxable, $vars);
      } else {
         $tax_total = 0;
      }
      if( $auth['show_price_including_tax']) {
         $tax_total *= $discount_factor;
      }
      $tax_total += $shipping_tax;
      $tax_total = round( $tax_total, 5 );
      $tax_display = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($tax_total);
      $tax_display .= ps_checkout::show_tax_details( $order_tax_details );
   }
   

   
   $cut = array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","!"," ","§","$","%","&","/","(",")","=","?","`","´",";", "A","B","C","D", "E", "F","G","H","I", "J","K","L","M","N","O", "P","Q","R","S","T","U","V","W","X","Y","Z", "€","@","#","*");



      // aus der Summe alle Buchstaben, Sonderzeichen ausblenden



       $subtotaldel = str_replace($cut, "", $subtotal_display);



      // das Komma in der Summe durch einen Punkt ersetzen



      $subtotalr = str_replace(",", ".", $subtotaldel);



      $_SESSION['mysubtotal']=$subtotalr;
   global $xsumme, $xrabatt;
   $xsumme=0; $xrabatt=0;
   
$rc1=50.00;$rc2=100.00;$rc3=150.00;$rc4=200.00;$rc5=300.00;$rc6=400.00;$rc7=500.00;
$c1=15.00;$c2=17.50;$c3=20.00;$c4=22.50;$c5=25.00;$c6=27.50;$c7=30.00;

   if ($subtotalr>=$rc7+0.0&&$rc7+0.0!=0) {$xsumme=$rc7; $xrabatt=$c7; }
    else if ($subtotalr>=$rc6+0.0&&$rc6+0.0!=0) {$xsumme=$rc6; $xrabatt=$c6; }   
    else if ($subtotalr>=$rc5+0.0&&$rc5+0.0!=0) {$xsumme=$rc5; $xrabatt=$c5; }
    else if ($subtotalr>=$rc4+0.0&&$rc4+0.0!=0) {$xsumme=$rc4; $xrabatt=$c4; }
    else if ($subtotalr>=$rc3+0.0&&$rc3+0.0!=0) {$xsumme=$rc3; $xrabatt=$c3; }
    else if ($subtotalr>=$rc2+0.0&&$rc2+0.0!=0) {$xsumme=$rc2; $xrabatt=$c2; }
    else if ($subtotalr>=$rc1+0.0&&$rc1+0.0!=0) {$xsumme=$rc1; $xrabatt=$c1; }
       
   //echo "flag".$_SESSION['coupon_flag'];
 
   
if ($subtotalr>=$xsumme+0.0&&$xsumme+0.0!=0)
      {
      if($_SESSION['coupon_flag'] == 6 )
      {
         if($_SESSION['pro'] % 6 == 0)
         {
         $subtotalr = $subtotalr - 39.95 * $_SESSION['pro'];
         $value =floor ($_SESSION['pro'] / 6);
         }
         else
         {
             $value = floor($_SESSION['pro'] / 6);
            $subtotalr = $subtotalr - $value * 239.70;
            
         }
      }
      if($_SESSION['coupon_flag'] == 5 )
      {
         if($_SESSION['pro'] % 5 == 0)
         {
         $subtotalr = $subtotalr - 39.95 * $_SESSION['pro'];
         $value =floor ($_SESSION['pro'] / 5);
         }
         else
         {
             $value = floor($_SESSION['pro'] / 5);
            $subtotalr = $subtotalr - $value * 199.75;
            
         }
      }
      if($_SESSION['flag'] == 1 && empty($_SESSION['coupon_flag']))
      {
      if($_SESSION['pro'] % 4 == 0)
         {
         $subtotalr = $subtotalr - 39.95 * $_SESSION['pro'];
         $value =floor ($_SESSION['pro'] / 4);
         }
         else
         {
             $value = floor($_SESSION['pro'] / 4);
            $subtotalr = $subtotalr - $value * 159.80;
         }
         }
      
      $subtotalx = $subtotalr*$xrabatt/100;
      if($_SESSION['coupon_flag'] == 6)
      {
         $subtotalx = $subtotalx + ($value * 140.70);
      }
      
      
      if($_SESSION['flag'] == 1 && empty($_SESSION['coupon_flag']))
      {
         $subtotalx = $subtotalx + ($value * 60.80);
         unset($_SESSION['flag']);
      }
      if($_SESSION['coupon_flag'] == 5)
      {
         $subtotalx = $subtotalx + ($value * 100.75);
         if($_SESSION['pro'] == 11)
            {
               $subtotalx = 241.45;//439.45-198
            }
         if($_SESSION['pro'] == 16)
            {
               $subtotalx = 342.20;//639.20-297
            }
         if($_SESSION['pro'] == 17)
            {
               $subtotalx = 382.15;//679.15-297
            }
         if($_SESSION['pro'] == 21)
            {
               $subtotalx = 442.95;//838.95-396
            }
         if($_SESSION['pro'] == 22)
            {
               $subtotalx = 482.90;//679.15-396
            }   
         if($_SESSION['pro'] == 23)
            {
               $subtotalx = 522.85;//679.15-396
            }   
         if($_SESSION['pro'] == 23)
            {
               $subtotalx = 522.85;//679.15-495
            }   
         if($_SESSION['pro'] == 23)
            {
               $subtotalx = 522.85;//679.15-495
            }   
         if($_SESSION['pro'] == 23)
            {
               $subtotalx = 522.85;//679.15-495
            }   
         if($_SESSION['pro'] == 23)
            {
               $subtotalx = 522.85;//679.15-495   
            }   
            
            
            
            
      }

        $subdiff=$subtotalr-$subtotalx;

      

         if($_SESSION['coupon_discount'] !=$subtotalx){   
   
   
   
   
   
   
     $_SESSION['coupon_redeemed'] = true;



          $_SESSION['coupon_discount'] =$subtotalx;



          $_SESSION['coupon_id']=$xrabatt+0.0;



          $_SESSION['coupon_code'] = $xsumme;



          $_SESSION['coupon_type'] = 'permanent';



        $_SESSION['coupon_redeemed']='1';}}

   /* COUPON DISCOUNT */
   if( PSHOP_COUPONS_ENABLE=='1' && @$_SESSION['coupon_redeemed']=="1" && PAYMENT_DISCOUNT_BEFORE != '1') {
      $discount_after=true;
      $discount_before=false;
      $total -= $_SESSION['coupon_discount'];
      $coupon_display = "- ".$GLOBALS['CURRENCY_DISPLAY']->getFullValue( $_SESSION['coupon_discount'] );
   }
   else if( PSHOP_COUPONS_ENABLE=='1' && @$_SESSION['coupon_redeemed']=="1" && PAYMENT_DISCOUNT_BEFORE == '1') {
      $discount_after=false;
      $discount_before=true;
      $total -= $_SESSION['coupon_discount'];
      $total -= ($_SESSION['coupon_discount'] * $my_taxrate);
      $tax_total += ($_SESSION['coupon_discount'] * $my_taxrate);
      $coupon_display = "- ".$GLOBALS['CURRENCY_DISPLAY']->getFullValue( $_SESSION['coupon_discount'] );
   }

   // Attention: When show_price_including_tax is 1,
   // we already have an order_total including the Tax!
   if ( $auth["show_price_including_tax"] == 0 ) {
      $order_total += $tax_total;
      $total_undiscounted += $tax_total;
   }
   
   $order_total += $shipping_total + $total;
   $total_undiscounted += $shipping_total;

   /* check if the minimum purchase order value has already been reached */
   if( !defined( '_MIN_POV_REACHED' )) {
      if (round($_SESSION['minimum_pov'], 2) > 0.00) {
         if ($total_undiscounted >= $GLOBALS['CURRENCY']->convert( $_SESSION['minimum_pov'] )) {
            // OKAY!
            define ('_MIN_POV_REACHED', '1');
         }
      } else {
         define ('_MIN_POV_REACHED', '1');
      }
   }
   
   $order_total_display = $GLOBALS['CURRENCY_DISPLAY']->getFullValue($order_total);
   
   $tpl = new $GLOBALS['VM_THEMECLASS']();
    if( file_exists( CLASSPATH.'payment/ps_paypal_api.php') ) {
      require_once( CLASSPATH.'payment/ps_paypal_api.php');
      if( ps_paypal_api::getPaymentMethodId() && ps_paypal_api::isActive()) {
         // Paypal API / Express
         $lang = jfactory::getLanguage();
         $lang_iso = str_replace( '-', '_', $lang->gettag() );
         $available_buttons = array('en_US', 'en_GB', 'de_DE', 'es_ES', 'pl_PL', 'nl_NL', 'fr_FR', 'it_IT', 'zn_CN' );
         if( !in_array( $lang_iso , $available_buttons )) {
            $lang_iso = 'en_US';
         }
         $tpl->set('ppex_img_iso', $lang_iso);
         $paypal_express = $tpl->fetch( 'basket/includes/paypal_express.tpl.php');
         $tpl->set( 'paypal_express_button', $paypal_express );
      }
    }

   
   $tpl->set_vars( Array(
                        'product_rows' => $product_rows,
                        'subtotal_display' => $subtotal_display,
                        'discount_before' => $discount_before,
                        'discount_after' => $discount_after,
                        'coupon_display' => $coupon_display,
                        'shipping' => $shipping,
                        'shipping_display' => $shipping_display,
                        'show_tax' => $show_tax,
                        'tax_display' => $tax_display,
                        'order_total_display' => $order_total_display,
            ));
   $basket_html = '';
   if( $show_basket ) {
      
      if( $auth["show_price_including_tax"] == 1) {
         $basket_html = $tpl->fetch( 'basket/basket_b2c.html.php');         
      }
      else {
         $basket_html = $tpl->fetch( 'basket/basket_b2b.html.php');
      }
   }
   
   /* Input Field for the Coupon Code */
   if( PSHOP_COUPONS_ENABLE=='1' &&  @$_SESSION['coupon_redeemed']=="1")
   {
   if(empty($_SESSION['coupon_flag']))
   {
     $basket_html .= $tpl->fetch( 'common/couponField.tpl.php' );
   }
   }

}








       
        //}
        //}
?>

[PRO]

vmart 2 has a calculation rule manager, that can do a lot better than hacking the core.

That plus the
http://extensions.joomla.org/extensions/extension-specific/virtuemart-extensions/virtuemart-coupons/11629
plus
http://extensions.virtuemart.net/extensions-virtuemart-2/quantity-related-calculation-detail

u dont need to hack the core