[Rails] Open modal on click in show details with rails

[Elton Santos]

How can do this?

<%= link_to "Details", refin_details_refin_path(@refin), 'data-toggle' => 
> 'modal', 'data-target' => '#modal-show-refin', :remote => true %>

<div class="modal fade" id="modal-show-refin" role="dialog" tabindex="-1">
>   <div class="modal-dialog">
>     <div class="modal-content">
>       <div class="modal-header">
>         <button aria-label="Close" class="close" data-dismiss="modal" 
> type="button">
>           <span aria-hidden="true">&times;</span>
>         </button>
>         <h4 class="modal-title">Details of refin</h4>
>       </div>
>       <div class="modal-body"></div>
>     </div>
>   </div>
> </div>


routes.rb

>   resources :refinancings do
>       get 'details_refin'
>   end


refinancings_controller.rb

> def details_refin
>     @refin = Refinancing.find(params[:refinancing_id])
>   end


I receive this error:

>
> No route matches {:action=>"details_refin", :controller=>"refinancings", 
> :refinancing_id=>nil} missing required keys: [:refinancing_id]



I have too this:
details_refin.js.erb

> $(".modal-body").empty();
> $('.modal-body').html('#{escape_javascript(render 'details_refin')}');
> $("#modal-show-refin").modal('show');



Somebody can help me, please? 

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