add capability to define other orm compatible with Devise. Add MongoMapper support.

lib/devise.rb

@@ -30,15 +30,15 @@ module Devise
   # Used to encrypt password. Please generate one with rake secret
   mattr_accessor :pepper
   @@pepper = nil
-  
+
   # The number of times to encrypt password.
   mattr_accessor :stretches
   @@stretches = 10
-  
+
   # Time interval where the remember me token is valid.
   mattr_accessor :remember_for
   @@remember_for = 2.weeks
-  
+
   # Time interval you can access your account before confirming your account.
   mattr_accessor :confirm_within
   @@confirm_within = 0.days
@@ -58,6 +58,9 @@ module Devise
   mattr_accessor :mappings
   @@mappings = {}
 
+  mattr_accessor :orm
+  @@orm = 'active_record'
+
   class << self
     # Default way to setup Devise. Run script/generate devise_install to create
     # a fresh initializer with all configuration values.
@@ -106,8 +109,14 @@ module Devise
       # If the user provided a warden hook, call it now.
       @warden_config.try :call, manager
     end
+
+    ##
+    # The class to call with orm define
+    def model_orm
+      @@model_orm ||= "Devise::Orm::#{@@orm.camelize}".constantize
+    end
   end
 end
 
 require 'devise/warden'
-require 'devise/rails'
+require 'devise/rails'

lib/devise/models.rb

@@ -92,6 +92,8 @@ module Devise
 
       # Convert new keys to methods which overwrites Devise defaults
       options.each { |key, value| send(:"#{key}=", value) }
+      send :include, Devise.model_orm
+      add_fields(modules)
     end
 
     # Stores all modules included inside the model, so we are able to verify

lib/devise/orm/active_record.rb

@@ -0,0 +1,17 @@
+module Devise
+  module Orm
+    module ActiveRecord
+      include Devise::Orm::Base
+    end
+  end
+end
+
+
+# Include alld devise definition about ActiveRecord
+Rails.configuration.after_initialize do
+  if defined?(ActiveRecord)
+    ActiveRecord::Base.extend Devise::Models
+    ActiveRecord::Base.extend Devise::Orm::ActiveRecord
+    ActiveRecord::ConnectionAdapters::TableDefinition.send :include, Devise::Migrations
+  end
+end

lib/devise/orm/base.rb

@@ -0,0 +1,9 @@
+module Devise
+  module Orm
+    module Base
+      def add_fields(modules)
+        # Nothing happen because no modules
+      end
+    end
+  end
+end

lib/devise/orm/mongo_mapper.rb

@@ -0,0 +1,40 @@
+module Devise
+  module Orm
+    module MongoMapper
+
+      include Devise::Orm::Base
+
+      def authenticatable
+        key :email, String
+        key :encrypted_password, String
+        key :password_salt, String
+      end
+
+      def confirmable
+        key :confirmation_token, String
+        key :confirmed_at, DateTime
+        key :confirmation_sent_at, DateTime
+      end
+
+      def recoverable
+        key :reset_password_token, String
+      end
+
+      def rememberable
+        key :remember_token, String
+        key :remember_created_at, DateTime
+      end
+
+      ##
+      # Add all keys
+      def add_fields(modules)
+        modules.each do |mod|
+          send(mod)
+        end
+      end
+    end
+  end
+end
+
+MongoMapper::Document::ClassMethods.send(:include, Devise::Models)
+MongoMapper::Document::ClassMethods.send(:include, Devise::Orm::MongoMapper)

lib/devise/rails.rb

@@ -2,11 +2,6 @@ require 'devise/rails/routes'
 require 'devise/rails/warden_compat'
 
 Rails.configuration.after_initialize do
-  if defined?(ActiveRecord)
-    ActiveRecord::Base.extend Devise::Models
-    ActiveRecord::ConnectionAdapters::TableDefinition.send :include, Devise::Migrations
-  end
-
   # Adds Warden Manager to Rails middleware stack, configuring default devise
   # strategy and also the failure app.
   Rails.configuration.middleware.use Warden::Manager do |manager|
@@ -17,4 +12,6 @@ Rails.configuration.after_initialize do
   Rails.configuration.middleware.use Devise::Middlewares::Rememberable
 
   I18n.load_path.unshift File.expand_path(File.join(File.dirname(__FILE__), 'locales', 'en.yml'))
+
+  require "devise/orm/#{Devise.orm}"
 end