From 2abdf89511dd941d60444e7c08b8421b376c86e3 Mon Sep 17 00:00:00 2001
From: Marcin Kulik <marcin.kulik@gmail.com>
Date: Wed, 23 Nov 2011 21:46:18 +0100
Subject: [PATCH] 404 handling

---
 app/assets/javascripts/exceptions.js.coffee    |  3 +++
 app/assets/stylesheets/exceptions.css.scss     |  3 +++
 app/controllers/application_controller.rb      |  4 ++++
 app/controllers/exceptions_controller.rb       | 10 ++++++++++
 app/helpers/exceptions_helper.rb               |  2 ++
 app/views/exceptions/not_found.html.erb        |  1 +
 config/routes.rb                               |  2 ++
 spec/controllers/exceptions_controller_spec.rb |  5 +++++
 spec/helpers/exceptions_helper_spec.rb         | 15 +++++++++++++++
 9 files changed, 45 insertions(+)
 create mode 100644 app/assets/javascripts/exceptions.js.coffee
 create mode 100644 app/assets/stylesheets/exceptions.css.scss
 create mode 100644 app/controllers/exceptions_controller.rb
 create mode 100644 app/helpers/exceptions_helper.rb
 create mode 100644 app/views/exceptions/not_found.html.erb
 create mode 100644 spec/controllers/exceptions_controller_spec.rb
 create mode 100644 spec/helpers/exceptions_helper_spec.rb

diff --git a/app/assets/javascripts/exceptions.js.coffee b/app/assets/javascripts/exceptions.js.coffee
new file mode 100644
index 0000000..7615679
--- /dev/null
+++ b/app/assets/javascripts/exceptions.js.coffee
@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/
diff --git a/app/assets/stylesheets/exceptions.css.scss b/app/assets/stylesheets/exceptions.css.scss
new file mode 100644
index 0000000..8dd67b1
--- /dev/null
+++ b/app/assets/stylesheets/exceptions.css.scss
@@ -0,0 +1,3 @@
+// Place all the styles related to the exceptions controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index e8065d9..5a09c28 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,3 +1,7 @@
+class NotFound < StandardError; end
+
 class ApplicationController < ActionController::Base
   protect_from_forgery
+  rescue_from(NotFound) { render 'exceptions/not_found' }
+
 end
diff --git a/app/controllers/exceptions_controller.rb b/app/controllers/exceptions_controller.rb
new file mode 100644
index 0000000..65928fc
--- /dev/null
+++ b/app/controllers/exceptions_controller.rb
@@ -0,0 +1,10 @@
+class ExceptionsController < ApplicationController
+
+  def not_found
+    respond_to do |format|
+      format.any { render :text => 'Requested resource not found', :status => 404 }
+      format.html { render :status => 404 }
+    end
+  end
+
+end
diff --git a/app/helpers/exceptions_helper.rb b/app/helpers/exceptions_helper.rb
new file mode 100644
index 0000000..dcae663
--- /dev/null
+++ b/app/helpers/exceptions_helper.rb
@@ -0,0 +1,2 @@
+module ExceptionsHelper
+end
diff --git a/app/views/exceptions/not_found.html.erb b/app/views/exceptions/not_found.html.erb
new file mode 100644
index 0000000..f06ab3d
--- /dev/null
+++ b/app/views/exceptions/not_found.html.erb
@@ -0,0 +1 @@
+404 dude
diff --git a/config/routes.rb b/config/routes.rb
index db47880..74765ff 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -55,4 +55,6 @@ AsciiIo::Application.routes.draw do
   # This is a legacy wild controller route that's not recommended for RESTful applications.
   # Note: This route will make all actions in every controller accessible via GET requests.
   # match ':controller(/:action(/:id(.:format)))'
+
+  match "*a", :to => "exceptions#not_found"
 end
diff --git a/spec/controllers/exceptions_controller_spec.rb b/spec/controllers/exceptions_controller_spec.rb
new file mode 100644
index 0000000..bac74fa
--- /dev/null
+++ b/spec/controllers/exceptions_controller_spec.rb
@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe ExceptionsController do
+
+end
diff --git a/spec/helpers/exceptions_helper_spec.rb b/spec/helpers/exceptions_helper_spec.rb
new file mode 100644
index 0000000..b9ed048
--- /dev/null
+++ b/spec/helpers/exceptions_helper_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+# Specs in this file have access to a helper object that includes
+# the ExceptionsHelper. For example:
+#
+# describe ExceptionsHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       helper.concat_strings("this","that").should == "this that"
+#     end
+#   end
+# end
+describe ExceptionsHelper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end