Re: [mv] Quantity Pricing Question-Different Approach!

[Mike Heins <mikeh@minivend.com>]

Quoting OTR Comm (otrcomm@isp-systems.com):
> Hello,
> 
> I have a code snippet:
> 
>         [page form="
>                 mv_order_item=[loop-code]
>                 mv_order_quantity=4
>                 mv_separate_items=0
>                 mv_todo=return
>                 mv_nextpage=boudicca/bags"
>         ] [loop-price 5]</A>
> 
> and then another one:
> 
>                 [page form="
>                 mv_order_item=[loop-code]
>                 
>                 [if ordered [loop-code]]
>                         [set mv_order_quantity]9[/set]
>                 [else]
>                         [set mv_order_quantity]10[/set]
>                 [/else]
>                 [/if]
>                 
>                 mv_separate_items=0
>                 mv_todo=return
>                 mv_nextpage=boudicca/bags"
>         ] [loop-price 10]</A>
> 
> The first reference works fine, it will increase the quantity of an item
> in my cart by 4 and use the q5 quantity price defined in pricing.asc.
> 
> However, the second snippet does not 'set' mv_order_quantity based on
> whether or not the item is already in the cart.

I think you greatly misunderstand what [set ...] does.

The tag:

	[set mv_order_quantity]9[/set]

is simply equivalent to:

	[calc] $Scratch->{mv_order_quantity} = '9'; return; [/calc]

Nothing more, nothing less. Nowhere is it documented that it does
anything different.

I think what you want is:

         [page form="
                 mv_order_item=[loop-code]
                 mv_order_quantity="=5"
                 mv_separate_items=0
                 mv_todo=return
                 mv_nextpage=boudicca/bags"
         ] [loop-price 5]</A>

When mv_separate_items is off, i.e. you are incrementing/adjusting
the quantity of an item already in the cart (if any), a quantity
with a leading "=" sign essentially says "Set the quantity to this,
no questions asked."

-- 
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