Re: How do I do a multiple select in the Admin filters ?

Hi Hurlu,

I can suggest two approaches here.

1. change your model so that it contains two fields: 'allowed' and 'disallowed'. Every of which is an array of allowed and disallowed items respectively. You can use JSON Field for that. This approach has benefit that your models looks simple and can be easily extended with additional allowed/disallowed items. In your example every time new valuable property identified your should extend model and handle migrations both schema and data. With this approach Django/admin can handle your requirements pretty straightforward.
2.  create custom form with 2 custom fields: allowed and disallowed. Exclude all extra filters as an 'excluded'. And override 'save' method to map users data from use input to model filters. And do it before model is saved.

I hope that should solve your problem.

Regards

On Monday, July 25, 2016 at 6:25:29 PM UTC+3, Hurlu wrote:

Hi everyone,

For the project I'm working on, I got a Dish Model in which, in order to filter different dishes for allergens or other reasons, I got a BooleanField to check if the dish is pork-free, another to check if it's nuts-free and a good other dozen.

As you would expect, displaying all thoses filters side by side would by very unesthetical and unpratical. So I aimed to reduce their number to two: One multiple select filter for "contains this:", and another for "does not contain:".

My researches so far were not very successful : the best I could find is this module , namely Django-adminfilters, that I could not quite get to work, as well as many not-so-helpful SO posts.

Could someone please enlighten me, be it with a way to do it or a workaround ?
Thanks a lot !

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