Rails - Different form_for statements for the same form

Question

I'm trying to avoid code duplication between Admin forms and Regular User forms for the same resource.

I would like to be able to use one form for both, by doing something like:

<% if current_user.admin? %>
  <%= form_for([:admin,@post], :html => {class: "form"}) do |f| %>
<% else %>
  <%= form_for @post, html: { class: 'form' } do |f| %>
<% end %>

then include fields that only the admin should see via if statements in the body of the form.

This approach doesn't work, I think because the <% end %> is ending the form.

Is there a way to do this? Does this approach even make sense?

Thanks!

I don't think it will work

Babar
– Babar

2014-05-05 16:30:19 +00:00
Commented May 5, 2014 at 16:30 — Babar
– Babar, Commented May 5, 2014 at 16:30

D.Fux · Accepted Answer · 2014-05-05 16:39:58Z

7

Try to move the code to your helper may help:

#YourHelper.rb
def form_for_admin(condition, &block)
    if condition
        form_for [:admin, @post], :html => {class: "form"}, &block
    else
        form_for @post, html: { class: 'form' }, &block
    end
end

and use:

<%= form_for_admin current_user.admin? do |f| %>

answered May 5, 2014 at 16:39

D.Fux

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1 Comment

connectionrefused Over a year ago

This solution worked great. However, I ended up realizing that while I wanted to avoid duplication, I did not want the admins to see different forms than the user on the front end of the application. I ended up just abstracting duplicate sections into partials and passing in the local f variable like: <%= render partial: 'form_fields', locals: { f: f } %>

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