updated use of friendly_id to 4.x

Gemfile

@@ -37,7 +37,7 @@ group :test do
 
   # Integration testing
   gem 'decent_exposure'
-  gem "friendly_id"
+  gem "friendly_id",    "~> 4.0.1"
   gem "devise",         '>= 1.4'
 
   # Rails

spec/devise-dummy/app/models/article.rb

@@ -1,6 +1,8 @@
 class Article < ActiveRecord::Base
-  belongs_to :author, :foreign_key => 'user_id', :class_name => "User"
+  extend FriendlyId
 
-  has_friendly_id :title
+  belongs_to :author, :foreign_key => 'user_id', :class_name => "User"
+
+  friendly_id :title #, :use => :slugged
 end
 

spec/devise-dummy/app/models/concerto.rb

@@ -1,6 +1,8 @@
 class Concerto < ActiveRecord::Base
+	extend FriendlyId
+
   belongs_to :author, :foreign_key => 'user_id', :class_name => "User"
 
-  has_friendly_id :title
+  friendly_id :title
 end
 

spec/devise-dummy/app/models/user.rb

@@ -1,4 +1,6 @@
 class User < ActiveRecord::Base
+  extend FriendlyId
+
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
 
@@ -13,7 +15,7 @@ class User < ActiveRecord::Base
 
   tango_user # see macros
 
-  has_friendly_id :name
+  friendly_id :name
 
   has_many :articles
   has_many :comments

spec/dummy/app/models/article.rb

@@ -1,6 +1,8 @@
 class Article < ActiveRecord::Base
+	extend FriendlyId
+
   belongs_to :author, :foreign_key => 'user_id', :class_name => "User"
 
-  has_friendly_id :title
+  friendly_id :title
 end
 

spec/dummy/app/models/concerto.rb

@@ -1,6 +1,8 @@
 class Concerto < ActiveRecord::Base
+	extend FriendlyId
+
   belongs_to :author, :foreign_key => 'user_id', :class_name => "User"
 
-  has_friendly_id :title
+  friendly_id :title
 end
 

spec/dummy/app/models/user.rb

@@ -1,10 +1,12 @@
 class User < ActiveRecord::Base  
+	extend FriendlyId
+
   include_and_extend SimpleRoles
 
   tango_user # see macros
   masquerader
 
-  has_friendly_id :name
+  friendly_id :name
 
   has_many :articles
   has_many :comments