rails 3 - link_to to destroy not working

Question

I am trying to create a destroy link to my users controller, I am also using devise.

Here is my code -

View

<%= link_to 'Delete User?', child, :confirm => "Are you sure you want to delete #{child.full_name}?", :method => :delete, :class => "user-additional", :style => "font-size:12px;font-weight:normal;" %>

Controller

def destroy
 if @user = User.find(params[:id])
  @user.destroy
  respond_to do |format| 
    format.html { redirect_to account_index_path } 
    format.xml { head :ok } 
  end
 end
end

Routes

devise_for :users 
resources :users, :except => [:new]

The link translates to localhost:3000/users/10

When clicked this opens the users show instead of deleting them

Any ideas ?

Answer 1

Destructive actions should be performed as a form submission - http://www.w3.org/2001/tag/doc/whenToUseGet.html#checklist

use button_to (passing a :method => :delete ) instead and style the button appropriately.

Answer 2

Actually I just had the exactly same problem yesterday

Try this:

<%= button_to "delete", your_object, :method=>:delete, :class=>:destroy %>

It works (for me at least)

Answer 3

In case that you are using jQuery instead of Prototype, you are probably missing a javascript file.

You can find details on how to add it to your project from the jquery-ujs GitHub page or from episode 205 of the Railscasts.

Answer 4

At a guess I think it is because in Rails 3, unobtrusive javascript is now used for functionality such as this (Rails 2 would output a bunch of nasty inline javascript for your code, Rails 3 puts the javascript in an external file, and uses HTML5 data- attributes to interact with that.)

To solve this you need to include <%= csrf_meta_tags %> in your page header to reference the external javascript. It also deals with XSS issues.

Some details here: Delete link sends "Get" instead of "Delete" in Rails 3 view

Answer 5

1. follow the steps in the installation part rails/jquery-ujs
2. add <%= javascript_include_tag "application" %> in your layout file.

Answer 6

If you haven't included jquery and jquery-ujs in your app , the default link_to default coming with scaffold wont work!

I had the same issue.It got solved after including both these js!

Answer 7

Also if you get this problem in production mode, it may be because you have not compiled the assets. See http://guides.rubyonrails.org/asset_pipeline.html#precompiling-assets

Answer 8

为我工作的确认信息。

<%= button_to 'Destroy', {action: :destroy, id: version.id},  onclick: 'return confirm("Are you sure?")', method: :delete %>

Answer 9

If you are using jQuery, make sure you have something like this:

<script type="text/javascript">
  // this allows jquery to be called along with scriptaculous and YUI without any conflicts
  // the only difference is all jquery functions should be called with $j instead of $
  // e.g. $jQ('#div_id').stuff instead of $('#div_id').stuff
  var $jQ = jQuery.noConflict();
</script>