Re: MV3:12 Discount Help Needed/ Gift Certificate

[Ryan Hertz <rhertz@gyb.baits.com>]

******    message to minivend-users from Ryan Hertz <rhertz@gyb.baits.com>     ******

At 04:18 PM 5/3/99 , Russ wrote:
>******    message to minivend-users from "Russ" <russ@khouse.org>     ******
>
>Hello,
>
>I am trying to implement a gift certificate system on a minivend store.  I
>am tyeing the gift certificate to a login name on the userdb.  Incidently, I
>give users a $5.00 discount just for creating an account, which I put in
>their userdb file as a gift certificate.  This isn't the hard part.  The
>hard part is getting the gift certificate amount to discount on the order.
>The logic I have in place is this:
>
>[if session logged_in]
><!--
>[calc]
>$currentbalance = [data base="userdb" field="balance" key="[data session
>username]"]
>[/calc]
>[calc]
>if ([subtotal] > $currentbalance)
>{
>$discountamount = $currentbalance
>}
>if ([subtotal]<$currentbalance)
>{
>$discountamount = [subtotal]
>}
>[/calc]
>-->
>[discount ENTIRE_ORDER]$s-$discountamount[/discount]
>[/if]
>
>This checks to make sure the subtotal is greater than the balance of their
>account (gift certificate amount).  It makes the discount amount no larger
>than the subtotal and no larger than the balance of the account.
>
>The most recent problem I'm having is the discount ENTIRE_ORDER doesn't
>carry through the checkout process.  It only shows up on the basket.html
>page where I originally code it.  The only way to get the discount to show
>up for the entire order is to put this code on every page in the checkout
>process, including the report and reciept.  That doesn't jive with the
>documentation, which indicates 'once discounted, always discounted'.

Your variables are not scoping correctly - I imagine that inside a [calc]
routine minivend will assume the variables to be local.  ??

>
>Any ideas?  Another problem is how to carry a value in the session to
>multiple pages.  I want the $currentbalance and $discountamount to be
>carried to more pages than the basket.html.  I'll need the discountamount at
>the reciept page so I know how much to decrement the gift certificate field
>in the userdb.
>
>Thanks in advance for any help,
>
>Russ
>--------------------------
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Ryan Hertz                                              tel  520-645-3812
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Advertising Director                                    fax  520-645-2588
Gary Yamamoto Custom Baits, Inc.            http://www.yamamoto.baits.com
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