On Sunday, December 1, 2019 at 12:49:53 PM UTC-5, Walter Lee Davis wrote: > > That's just it, you don't. You POST to the collection, which `create`s a > new instance. > > If you are expecting the GET with a querystring to create a new form with > a picker selected, you should start by creating the form all in one piece, > where you create a new form including a select (like the one you are trying > to divide across two pages) in that same form. Make sure that submitting > that form works, even though it doesn't do precisely what you're asking it > to do in the divided form (yet). > > Then figure out how to set that property (which the select chooses) on the > `new` controller method. > > There's a couple of different ways to do that. One would be to create a > completely hand-made variable that you pass in the querystring of the form: > > /items/new?item_type=Foo > > and then "catch" that in the controller in the new method: > > @item = Item.new(item_type = params[:item_type]) > > The other would be to go full-on REST, and create a new instance in the > `index`, use that to build your form, and then you can use the regular > strong_params accessor to get that same value (which will be "nested" > inside a properly-named instance params hash) and assign it to the instance > in the `new` method. > > Now, what you should see at this point is that your all-in-one `new` form > begins to behave "automatically". The instance that you build in the > controller will be populated with the item_type property, and the picker > will auto-select to the chosen value. > > Once you see this working, you can change the select (picker) to a hidden > field, and with no other changes, you will have your two-step form. > > Walter > > > On Dec 1, 2019, at 12:17 PM, fugee ohu <fuge...@gmail.com <javascript:>> > wrote: > > > > Thanks but since when do we post to the new action? > > > > -- > > 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 <javascript:>. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/fd3f5207-840b-4fec-ba29-100fdf882447%40googlegroups.com. > > > >
The form has to be different depending on the item type -- 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/2fbc4462-01dd-4c2d-be15-37321422d851%40googlegroups.com.
