update authentication system to Devise

db/migrate/20140303175235_add_devise_to_users.rb

@@ -0,0 +1,35 @@
+class AddDeviseToUsers < ActiveRecord::Migration
+  def self.up
+    change_table(:users) do |t|
+      ## Recoverable
+      t.string   :reset_password_token
+      t.datetime :reset_password_sent_at
+
+      ## Rememberable
+      t.datetime :remember_created_at
+
+      ## Trackable
+      t.integer  :sign_in_count, :default => 0, :null => false
+    end
+
+    # remove authlogic stuff
+    remove_column :users, :persistence_token
+    remove_column :users, :perishable_token
+
+    # modify authlogic stuff
+    rename_column :users, :crypted_password, :encrypted_password
+    rename_column :users, :current_login_at, :current_sign_in_at
+    rename_column :users, :last_login_at, :last_sign_in_at
+    rename_column :users, :current_login_ip, :current_sign_in_ip
+    rename_column :users, :last_login_ip, :last_sign_in_ip
+
+    add_index :users, :reset_password_token, :unique => true
+  end
+
+  def self.down
+    # By default, we don't want to make any assumption about how to roll back a migration when your
+    # model already existed. Please edit below which fields you would like to remove in this migration.
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
+

db/migrate/20140304030719_remove_notnull_from_users_password_salt.rb

@@ -0,0 +1,6 @@
+class RemoveNotnullFromUsersPasswordSalt < ActiveRecord::Migration
+  def change
+    change_column :users, :password_salt, :string, :null => true
+  end
+end
+

db/migrate/20140306013304_add_authentication_token_to_users.rb

@@ -0,0 +1,6 @@
+class AddAuthenticationTokenToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :authentication_token, :string
+    add_index :users, :authentication_token
+  end
+end