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1. Skygirl
   Member
   Posted 3 months ago #

   Hi all, I'm setting up a WP E-commerce site and my coupons are *almost* working correctly... they apply the proper discount to the proper products (with conditions), the only trouble is that the discount will only be applied once even though I would like it to be a per-item discount if someone buys several of that item. Yes, "apply on all products" is checked.

   Any help is welcome, thank you!

2. justinsainton
   Member
   Posted 3 months ago #

   Hi!

   Interesting - I tested out your theory. I created a coupon code called 'TEST'. Added a condition that the sub-total be under $1,000. Made sure it was applied to all products. Had the discount be $5. I added two different products to the cart, applied the coupon, and it took $10 off, as expected.

   --

   I just re-read your post - it's working per-product, but not per quantity per product. So if you have two different products, it's applied twice, regardless of whether or not you have 1 or 10 quantity of those products, right?

   Seems like a legitimate bug, see http://code.google.com/p/wp-e-commerce/issues/detail?id=894.

3. Skygirl
   Member
   Posted 3 months ago #

   Hi Justin, thank you for checking that out. Yes, most all of our discounts are per product at the moment, so what I would like to see happen is that if the coupon is for $5 off an item, they get $50 off if they buy 10 of that item. Right now the coupon will only apply once ($5 off) no matter how many of that item are being purchased.

   Thanks again!

4. Skygirl
   Member
   Posted 3 months ago #

   Just noticed another issue with coupons... they appear to be affecting tax on nontaxed items. For example: Say I have a product selling for $199 and marked not taxable. I add one of this item to my cart and go to check out. I see the correct amount on the checkout page, no tax, all good.

   I then apply a coupon for $50 off of that item. The discount works fine, but there is now a negative tax amount of $3.13 (as if it's a tax refund on the $50 discounted at the 6.25% tax rate). So essentially the system is refunding tax that was never charged in the first place.

   Not sure if this is a bug or something screwy in the settings, but any help is appreciated!

5. Skygirl
   Member
   Posted 3 months ago #

   Ah ha... I win!

   Fix for negative tax with coupons:

   Commented out lines 89-98 in /wp-content/plugins/wp-e-commerce/wpsc-taxes/controllers/taxes_controller.class.php as follows

   // minus coupon tax if we are using coupons, but make sure the coupon is not a free shipping coupon
   				//if ($wpsc_cart->coupons_amount > 0 && ! $free_shipping){
   					//if ( $this->wpec_taxes_isincluded() )
   						//$coupon_tax = $this->wpec_taxes_calculate_tax($wpsc_cart->coupons_amount, $tax_rate['rate'], false);
   					//else
   						//$coupon_tax = $this->wpec_taxes_calculate_tax($wpsc_cart->coupons_amount, $tax_rate['rate']);
   					//$total_tax -= $coupon_tax;
   				//}

   Fix for coupon not applying to all items of that type:

   Added item quantity var to line 200, /wp-content/plugins/wp-e-commerce/wpsc-includes/coupons.class.php

   $return += $item->discount*$item->quantity;

6. Skygirl
   Member
   Posted 3 months ago #

   I see the second fix I found matches what's going on in the code forum link you shared... great minds. :)

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