Documenting this for posterity... On Oct 23, 2013, at 5:20 PM, Walter Lee Davis wrote:
> I have a simple Rails 4 project with two scaffolded models: Practice and > Practitioner. I have set these both as habtm and am in the process of adding > checkboxes to the Practitioner form so that I can check off the practices > that this practitioner belongs to. In the practitioners_controller, I added > practice_ids to the practitioner_params permit list, but I am still getting > the error: > > Started PATCH "/practitioners/1" for 127.0.0.1 at 2013-10-23 16:35:34 -0400 > Processing by PractitionersController#update as HTML > Parameters: {"utf8"=>"✓", > "authenticity_token"=>"u9XWBVshMKmLg+YhVFWu10PTQu+uvAbbvBck4QQG6wk=", > "practitioner"=>{"first_name"=>"Christine", "last_name"=>"Campbell", > "degree"=>"CRNP", "accepting_new_patients"=>"1", "specialty"=>"Obstetrics & > Gynecology", "secondary_specialty"=>"", "c_v"=>"Undergraduate Education: > 1988\r\nGraduate School Education: 1995\r\nAffiliations: Pottstown Memorial > Hospital", "practice_ids"=>[nil, "1"]}, "commit"=>"Update Practitioner", > "id"=>"1"} > Practitioner Load (0.2ms) SELECT "practitioners".* FROM "practitioners" > WHERE "practitioners"."id" = ? ORDER BY "practitioners".last_name ASC, > "practitioners".first_name ASC LIMIT 1 [["id", "1"]] > Unpermitted parameters: practice_ids > > when I try to update. If I comment out the practitioner_params method, like > this: > > def practitioner_params > params.require(:practitioner).permit!#(:first_name, :last_name, :degree, > :accepting_new_patients, :specialty, :secondary_specialty, :c_v, > :practice_ids) > end > > then the form works correctly (so it's not an HTML issue or anything basic > like that) -- I am able to set and unset the practice ids. > > Can anyone suggest how I can keep the strong_parameters from Rails 4 but use > habtm like this? When declaring an array-shaped value in the strong parameters method, you must hint at its format, like this :practice_ids => [] Once that's done, the whole thing Just Works™. Can anyone point me to a definitive guide to the new strong parameters? I didn't see it in the Rails Guides anywhere. Walter > > Thanks, > > Walter > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/83F1116C-AC7E-433E-AC0D-41EB01136190%40wdstudio.com. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/D13110FB-03AE-46E0-BC30-B5569F15FF65%40wdstudio.com. For more options, visit https://groups.google.com/groups/opt_out.