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I'm looking for a quick solution for multi file upload with rails_admin.
Any ideas or solutions out there?
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The approach I'd take here is to develop a custom action which would include it's own view and controller processing.
You can generate a rails_admin plugin with the directions at the top of the page here.
And here are some examples of custom actions I've built out:
The import plugin has a supporting blog article here. This is the file you want to look at where you add your upload behavior inside the :controller instance option.