Routing Question

gistfile1.rb

# index.html.haml
- if !@flags_profiles.empty?
  = simple_form_for( f, remote: true, method: :put, url: admins_moderations_confirm_flag_path, html: { style: 'line-height: 1'} ) do |g|
    = g.hidden_field :id, :value => f.id
    = g.submit "Confirm Flag", html_options: {class: "moderate-photo-button", style: "color: green;"}

# routes.rb
namespace :admins do
  resources :moderations
  match 'moderations/confirm_flag' => 'moderations#confirm_flag', :via => :put
  match 'moderations/reject_flag' => 'moderations#reject_flag', :via => :put    
end

# moderations_controller.rb
class Admins::ModerationsController < ApplicationController
  before_filter :authenticate_admin!
    
  def confirm_flag
    @target_flag = Flag.find(params[:flag][:id])
    respond_to do |format|
      format.json { head :ok }
    end
  end
end