How to condition the quantity of products in cart so that it is divisible by 12?

[Byron Pérez]

Hi everyone

I hope you can help me with my ecommerce.

I want to add a condition to my e-commerce to only allow sales when the number of products in the cart is divisible by 12, I don't matter what products are in the cart.

I don't know how can I do it, I'm new in PrestaShop

Edited April 22, 2020 by Byron Pérez (see edit history)

[joseantgv]

This module will help you with this https://addons.prestashop.com/en/registration-ordering-process/27632-minimum-and-maximum-unit-quantity-to-purchase.html

[Byron Pérez]

2 minutes ago, ndiaga said:

Hi,

Why   not  put  the  minimum  quantity  to  add an order  to  12  in product  admin  page?

Hi ndiaga, thanks for your help.

Sorry, I didn't understand you. You mean minimun quantity per product?

[Byron Pérez]

19 minutes ago, joseantgv said:

This module will help you with this https://addons.prestashop.com/en/registration-ordering-process/27632-minimum-and-maximum-unit-quantity-to-purchase.html

Hi joseantgv, thanks foy your help.

That module seems to work and I'd like to buy it, but right now I can't buy it, so I need a solution by modifying files if that's necessary

[joseantgv]

hace 4 minutos, ndiaga dijo:

The  minimum  quantity  to  add to  order .

You have  that  option each time you  add a product  ,  see the  quantity  tab.

He needs to mix between products.

[joseantgv]

hace 2 horas, ndiaga dijo:

Mix  between  products?

You can have 5 units of product A and 7 units of product B, but cart must have 12 units (or multiple).

[Byron Pérez]

1 hour ago, joseantgv said:

You can have 5 units of product A and 7 units of product B, but cart must have 12 units (or multiple).

Thank you joseantgv that it's correct. I'll buy the module, I guess.