Re: [PHP-DB] Re: [PHP] Shopping Cart Discount System

On Dec 31, 2012, at 3:36 AM, Ashley Sheridan wrote:

>
>
> Karl DeSaulniers <[email protected]> wrote:
>
>> Hello Everyone,
>> Hope all are well. Quick and hopefully painless question.
>> Is there any examples on how to build a discount system
>> into your shopping cart out there that anyone knows of?
>> I am using MySQL and PHP. I have built one of my own so far,
>> but am having trouble making sense of what goes where.
>>
>> For example. If a product has miscellaneous charges,
>> lets say.. glitter is extra on your shirt.
>> How is discounts applied? I mean, as far as discounts go,
>> lets say its 20% a shirt and this shirt has glitter.
>> Is it best practice to apply the discount to just the shirt
>> or the shirt and glitter as a combo discount.
>> I know this is somewhat dependent on the owners choice
>> of what he/she wants to give the discount on,
>> but my question is of the programing of it.
>> Do I build conditions for the shirt to get a discount applied
>> then the miscellaneous charges, or combine the totals of the two,
>> then apply the discount to the sum?
>>
>> Then lets say there is a cart discount also being applied.
>> Is it best practice to apply this to the total of items then
>> add the shipping, rush charges and tax, or to the total of the whole
>> cart
>> including shipping, rush charges then add the tax after applying the
>> discount?
>>
>> Sorry for the run-on question, hope this makes sense enough to merit
>> help.
>>
>> HNY,
>>
>> Best,
>>
>> Karl DeSaulniers
>> Design Drumm
>> http://designdrumm.com
>>
>> PS: Because this question could be answered by either database or
>> general, is the only reason for the double post.
>> Wont be making a habit of it.. :)
>
> I would apply the discounts where they made sense from a customer  
> POV. Would you expect a t-shirt discount to be applied to only the  
> base item or the product as a whole? I'd say tge whole thing. You  
> could have various areas in your code that apply discounts at  
> different levels: per item, per group of items (bogof, etc), and per  
> basket.
>
>
> Thanks,
> Ash
> http://www.ashleysheridan.co.uk
>
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>


That does make more sense now that you say.
I guess I would want or expect the discount to apply to the whole thing.
Thanks Ash.

Best,

Karl DeSaulniers
Design Drumm
http://designdrumm.com


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