CODEWITHSUNDEEP
ruby-on-railsrubyforms
Joe Rhodes
Joe Rhodes

Reputation: 11

What is the correct way to submit a foreign key in a form and tie it to a reference?

I have models with references:

Vacation
  name:string
  slug:string:uniq
  start_at:datetime
  end_at:datetime

Transportation
   name:string

Destinations
  vacation:references
  transportation:references
  name:string
  full_address:string
  latitude:float
  longitude:float
  position:integer

I am wondering how can I add a reference in a form submission? I have a form working:

<%= form_for(@vacation) do |f| %>
        <%= f.label :vacation %><br>
        <%= f.text_area :name %>
      <%= f.submit "Create" %>

when I submit, it now shows up on the home page. I want to pick a vacation from a select box (I'm close to handling that), like vacation with ID=2, and on form submission, tie this new destination to the selected vacation: ID=2. My working example looks like:

    def create
        @vacation = Vacation.new(vacation_params)
        if @vacation.save
            redirect_to '/'
        else
            render 'new'
        end
    end

    private 
      def vacation_params
          params.require(:vacation).permit(:name)
      end

Thank you

Upvotes: 1

Views: 64

Answers (1)

The Fabio
The Fabio

Reputation: 6260

I think what you are after is a select_tag:

You could add this line inside your form (you are going in the right track), so you select an existing vacation:

<%= select_tag "vacation_id", options_from_collection_for_select(Vacation.all, "id", "name") %>

And the structure of your tables should be as we discussed below the question.

Happy to have helped.

Upvotes: 1

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