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I have this problem in Drupal Commerce: a line item should change the price of my product, that is based on customizing the users (ex. product base $10 with customization $12, customization is line items).

This is possible working on Rules, but you only see final price after you add the product on cart, I should instead see the price change in ajax so the users see final process before add to cart.

I've not found solutions online. The basic scenario is like this:

  • You buy a shirt based =$10
  • The user customizes the shirt with your name and = $12
  • The user customizes name and logo = $14

I am working with Kickstart 2.0

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2 Answers 2

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The functionality you're looking for doesn't exist at the moment. I'd describe it as wanting line item field value changes to trigger a refresh of the Add to Cart form and the injected product fields. You can follow this feature request, though I'm not sure it's likely to be addressed soon:

https://www.drupal.org/node/1541886

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So you have fixed prices and a set of fields per kind of price? Ha! You could setup a line item type per product:

https://www.drupal.org/sandbox/malberts/1947762

And then create three products:

  1. Shirt, Price $10
  2. Shirt + Name, Price $12, custom line item type: Name
  3. Shirt + Name + Logo, Price $14, custom line item type: Name + Logo

Then create one Product Display node and attach those three products to the display node.

In theory, that should work. Let me know how the "in practice" goes.

EDIT: Here's how to do it, step by step in a video:

http://youtu.be/eaF_FjnQ8NM

Josh

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  • Hi Josh, I often follow your tutorials and articles. :) I tried to follow the directions in the link you've written but I can not get it to work. There are some changes to the source code to adapt the module? But this solution seems just what I need. I would like to make it work. Do you have an example link?
    – commodoreforce
    Sep 27, 2014 at 8:33
  • I'll take this idea for a spin on Monday.
    – joshmiller
    Sep 27, 2014 at 15:41
  • Hi Josh, ty for your time. This video is really a good solution for me. I followed all step u say but in kickstart 2 but there is a problem on "Use custom line item type" check box, i check this but drupal not save this check.
    – commodoreforce
    Oct 7, 2014 at 9:29
  • Yeah, it's important to build on Kickstart 1. Kickstart 2 is more like a demo/proof-of-concept. If you are adding fields to line items, it's likely Kickstart 2 is too opinionated to be flexible enough for your use case.
    – joshmiller
    Oct 7, 2014 at 14:54
  • Oh, ok, really Kickstart 2 is only like a demo? I have done latest 2 e-commerce with K2 and it work well. I can't now switch to K1 coz is too late :(
    – commodoreforce
    Oct 7, 2014 at 16:38

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