Added a back_url field to the Rate for that will store the redirect path.

* Used in the User Administration panel so RatesController can redirect back to
  the panel as needed.

  #1914

app/controllers/rates_controller.rb

@@ -2,6 +2,7 @@ class RatesController < ApplicationController
   helper :users
   before_filter :require_admin
   before_filter :require_user_id, :only => [:index, :new]
+  before_filter :set_back_url, :only => [:new, :edit]
   
   # GET /rates?user_id=1
   # GET /rates.xml?user_id=1
@@ -49,7 +50,13 @@ class RatesController < ApplicationController
     respond_to do |format|
       if @rate.save
         flash[:notice] = 'Rate was successfully created.'
-        format.html { redirect_to(rates_url(:user_id => @rate.user_id)) }
+        format.html { 
+          if params[:back_url] && !params[:back_url].blank?
+            redirect_to(params[:back_url])
+          else
+            redirect_to(rates_url(:user_id => @rate.user_id))
+          end
+        }
         format.xml  { render :xml => @rate, :status => :created, :location => @rate }
       else
         format.html { render :action => "new" }
@@ -100,4 +107,8 @@ class RatesController < ApplicationController
       end
     end
   end
+  
+  def set_back_url
+    @back_url = params[:back_url]
+  end
 end

app/views/rates/_form.html.erb

@@ -23,6 +23,7 @@
       </td>
       <td align="center">
         <%= f.hidden_field "user_id" %>
+        <%= hidden_field_tag "back_url", @back_url %>
         <%= submit_tag l(:button_add),:class => 'button-small' -%>
       </td>
 	</tr>

app/views/users/_rates.html.erb

@@ -1,6 +1,7 @@
 <h1><%= l(:rate_label_new_rate) %></h1>
 
 <% @rate = Rate.new(:user => @user ) %>
+<% @back_url = url_for(:controller => 'users', :action => 'edit', :id => @user, :tab => 'rates') %>
 <%= render :partial => 'rates/form' %>
 
 <h1><%= l(:rate_label_rate_history) %></h1>

spec/controllers/rates_controller_spec.rb

@@ -272,6 +272,13 @@ describe RatesController, "as an administrator" do
         response.should redirect_to(rates_url(:user_id => @user.id))
       end
       
+      it 'should redirect to the back_url if set' do
+        back_url = '/back_to_this_url'
+        Rate.stub!(:new).and_return(mock_rate(:save => true))
+        post :create, :rate => {}, :back_url => back_url
+        response.should redirect_to(back_url)
+      end
+      
     end
     
     describe "with invalid params" do