Commerce discount cumulative

Commerce discount module does not give cumulative options, so all active discounts matching with conditions will be applied.

What the module does

• Create field and instances in commerce_discount to choose if discount is cumulative or not.
• Add condition rule to disallow discounts following settings.
• Add action rule to remove previous discounts in case of "exclusive" setting.
• Discounts are applied in the order of rules's weight.

Features available

A discount can be :

• Cumulative: default option and default commerce discount behavior, all the discount will be applied.
• The last (No more): All the other discounts will be ignored.
• Exclusive: If all the previous discounts was cumulative, this discount will remove all the previous discounts and will don't let another discount apply.

Additionnel modules

• Commerce Discount Weight module : Let you order your discounts thanks to a setting page and weight field.

Disclaimer

This module has only been tested with order discounts for the moment.