Refactor messages show action to be resourceful

app/controllers/messages_controller.rb

@@ -63,7 +63,7 @@ class MessagesController < ApplicationController
   # Show a message
   def show
     @title = t ".title"
-    @message = Message.find(params[:message_id])
+    @message = Message.find(params[:id])
 
     if @message.recipient == current_user || @message.sender == current_user
       @message.message_read = true if @message.recipient == current_user

config/routes.rb

@@ -261,7 +261,7 @@ OpenStreetMap::Application.routes.draw do
   get "/export/embed" => "export#embed"
 
   # messages
-  resources :messages, :only => [] do
+  resources :messages, :only => [:show] do
     collection do
       get :inbox
       get :outbox
@@ -270,7 +270,7 @@ OpenStreetMap::Application.routes.draw do
   get "/user/:display_name/inbox", :to => redirect(:path => "/messages/inbox")
   get "/user/:display_name/outbox", :to => redirect(:path => "/messages/outbox")
   match "/message/new/:display_name" => "messages#new", :via => [:get, :post], :as => "new_message"
-  get "/message/read/:message_id" => "messages#show", :as => "message"
+  get "/message/read/:message_id", :to => redirect(:path => "/messages/%{message_id}")
   post "/message/mark/:message_id" => "messages#mark", :as => "mark_message"
   match "/message/reply/:message_id" => "messages#reply", :via => [:get, :post], :as => "reply_message"
   post "/message/delete/:message_id" => "messages#destroy", :as => "destroy_message"

test/controllers/messages_controller_test.rb

@@ -21,8 +21,8 @@ class MessagesControllerTest < ActionController::TestCase
       { :controller => "messages", :action => "new", :display_name => "username" }
     )
     assert_routing(
-      { :path => "/message/read/1", :method => :get },
-      { :controller => "messages", :action => "show", :message_id => "1" }
+      { :path => "/messages/1", :method => :get },
+      { :controller => "messages", :action => "show", :id => "1" }
     )
     assert_routing(
       { :path => "/message/mark/1", :method => :post },
@@ -178,7 +178,7 @@ class MessagesControllerTest < ActionController::TestCase
     assert_equal "[OpenStreetMap] Test Message", e.subject
     assert_match /Test message body/, e.text_part.decoded
     assert_match /Test message body/, e.html_part.decoded
-    assert_match %r{#{SERVER_URL}/message/read/}, e.text_part.decoded
+    assert_match %r{#{SERVER_URL}/messages/[0-9]+}, e.text_part.decoded
     ActionMailer::Base.deliveries.clear
     m = Message.last
     assert_equal user.id, m.from_user_id
@@ -273,22 +273,22 @@ class MessagesControllerTest < ActionController::TestCase
     unread_message = create(:message, :unread, :sender => user, :recipient => recipient_user)
 
     # Check that the show message page requires us to login
-    get :show, :params => { :message_id => unread_message.id }
-    assert_redirected_to login_path(:referer => message_path(:message_id => unread_message.id))
+    get :show, :params => { :id => unread_message.id }
+    assert_redirected_to login_path(:referer => message_path(:id => unread_message.id))
 
     # Login as the wrong user
     session[:user] = other_user.id
 
     # Check that we can't read the message
-    get :show, :params => { :message_id => unread_message.id }
-    assert_redirected_to login_path(:referer => message_path(:message_id => unread_message.id))
+    get :show, :params => { :id => unread_message.id }
+    assert_redirected_to login_path(:referer => message_path(:id => unread_message.id))
     assert_equal "You are logged in as `#{other_user.display_name}' but the message you have asked to read was not sent by or to that user. Please login as the correct user in order to read it.", flash[:notice]
 
     # Login as the message sender
     session[:user] = user.id
 
     # Check that the message sender can read the message
-    get :show, :params => { :message_id => unread_message.id }
+    get :show, :params => { :id => unread_message.id }
     assert_response :success
     assert_template "show"
     assert_equal false, Message.find(unread_message.id).message_read
@@ -297,7 +297,7 @@ class MessagesControllerTest < ActionController::TestCase
     session[:user] = recipient_user.id
 
     # Check that the message recipient can read the message
-    get :show, :params => { :message_id => unread_message.id }
+    get :show, :params => { :id => unread_message.id }
     assert_response :success
     assert_template "show"
     assert_equal true, Message.find(unread_message.id).message_read
@@ -308,7 +308,7 @@ class MessagesControllerTest < ActionController::TestCase
     end
 
     # Asking to read a message with a bogus ID should fail
-    get :show, :params => { :message_id => 99999 }
+    get :show, :params => { :id => 99999 }
     assert_response :not_found
     assert_template "no_such_message"
   end