Display output of a script without routing to a new view [Rails]

Question

I have a simple Rails app in which a user submits an integer in a form_tag form, a Ruby script finds the prime factors of the integer, and the output is displayed in a new view. How can I make it so that the output is displayed in the same view as the form instead of a new one?

Here's my current code:

routes.rb:

  match '/primes', to: 'programs#primes'
  post '/factors', to: 'programs#factors'

primes.html.erb:

  <%= form_tag('/factors') do %>
  <div class="field">
   <p>Enter an integer greater than 1:</p>
   <p><%= text_field_tag :number %></p>
  </div>
  <div class="actions">
   <p><%= submit_tag("Find factors") %></p>
  </div>
  <% end %>

programs_controller.rb:

  def factors
    n = Integer(params[:number])
    .
    .
    .
    # script finds prime factors, stores output in @output
  end

factors.html.erb:

  <%= @output %>

So what I want the app to do is to render @output in '/primes' instead of routing to '/factors'.

You can do one thing, that submit your form to the same page and use a flag on the submission of the form, and show the output according to the flag value is set or reset. you can use javascript if you find its need. — Gopal S Rathore
– Gopal S Rathore, Commented Feb 27, 2013 at 5:43

Arctodus · Accepted Answer · 2013-02-27 12:10:22Z

1

You can tell the factors controller action to use the same view as the primes controller action like so:

def factors
  # script finds prime factors, stores output in @output
  render :action => 'primes'
end

You also need to move <%= @output %> to primes.html.erb for it to show up there

answered Feb 27, 2013 at 12:10

Arctodus

5,8473 gold badges34 silver badges45 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

comp Over a year ago

Got it! I had tried render :action, but I was putting it in the wrong place. Thanks for the help.

Collectives™ on Stack Overflow

Display output of a script without routing to a new view [Rails]

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related