accepts_nested_attributes_for explicitly checks for associations to exist https://github.com/rails/rails/blob/f33d52c95217212cbacc8d5e44b5a8e3cdc6f5b3/activerecord/lib/active_record/nested_attributes.rb#L340
fields_for does not require accepts_nested_attributes_for to be defined, but it won't behave the same without that, you can inspect the generated html on both cases El lun., 17 feb. 2020 a las 6:19, Nicholas Schwaderer (< nicholas.schwade...@gmail.com>) escribió: > Hello again Fugee, > > Fields in forms in Rails do not necessarily have to correspond with model > attributes. > > Generally, you might find the Rails edge guide on forms very helpful- as > well as the `form_with` API docs which are a bit more specific for some of > these questions. > > https://guides.rubyonrails.org/form_helpers.html > https://apidock.com/rails/ActionView/Helpers/FormHelper/form_with > > Nick Schwaderer > > On Mon, 17 Feb 2020 at 07:45, fugee ohu <fugee...@gmail.com> wrote: > >> >> >> On Monday, February 17, 2020 at 12:38:03 AM UTC-5, Walter Lee Davis wrote: >>> >>> You may use fields_for for any object that you have declared >>> "accepts_nested_attributes_for" in your form's parent model. It obviously >>> makes the most sense to do this with a related object. >>> >>> Walter >>> >>> > On Feb 16, 2020, at 10:41 PM, fugee ohu <fuge...@gmail.com> wrote: >>> > >>> > Can I use fields_for for any models or do they have to be associated? >>> > >>> > -- >>> > 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 rubyonra...@googlegroups.com. >>> > To view this discussion on the web visit >>> https://groups.google.com/d/msgid/rubyonrails-talk/09881329-3137-4c90-94a1-6495bccc90bd%40googlegroups.com. >>> >>> >> >> In my app users have many artists, artists have many tourdates, artists >> have many venues, users have many venues through artists, tour_dates when >> added have to provide a venue so they can select from clubs or festivals >> that are included in the app, and they can also create a user defined >> venue, or select from previous user defined venues I had this working >> before I started concerning myself with associations by prepending all the >> venue fields with venue so state and city become venue_state and venue_city >> and I add an attribute_accessor to the tour_dates model for each venue >> field I feel like that still the way to do it, as long as the user defined >> venues belong to the artist and user so if the user ever deletes the artist >> the venue will be deleted also >> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/rubyonrails-talk/f2ba1d66-8420-41e9-b228-2456080f0ffb%40googlegroups.com >> <https://groups.google.com/d/msgid/rubyonrails-talk/f2ba1d66-8420-41e9-b228-2456080f0ffb%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/CAGN3KYykHS73kLZ1G4XuQqJrRwzjrJ1wPa2vmtT%2Bib8z-ffMyg%40mail.gmail.com > <https://groups.google.com/d/msgid/rubyonrails-talk/CAGN3KYykHS73kLZ1G4XuQqJrRwzjrJ1wPa2vmtT%2Bib8z-ffMyg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAPS3bcCtF2x6DD6TGsixdK3sU6uW67v0mNFEZen85CZeMeO9DA%40mail.gmail.com.
