Hi,
I have a model with an only one (exclusive) category and several
possible sub_categories. The sub_categories are stored into a string
on the AR model and are just comma-separated. I'm able to filter
properly with both categories and sub-categories.
Now when a category is selected, I need to retrieve the available sub-
categories to fill a select-box, basically. I found out that this was
working, thanks to the facets feature:
Item.facets(:conditions => { :category => 'SomeTopic' })
[:sub_categories].keys.join(',').split(',').uniq.sort
Do you have any idea of some cleaner version, maybe using some built-
in feature I'm not aware of ?
thanks for any hint,
-- Thibaut
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