multiple drafts support

README.md

@@ -143,7 +143,7 @@ Add `has_drafts` to the models you want to have drafts on.
 Draftsman provides a helper extension that acts similarly to the controller
 mixin it provides for Rails applications.
 
-It will set `Draftsman::Draft#whodunnit` to whatever is returned by a method
+It will set `Draftsman::Single::Draft#whodunnit` to whatever is returned by a method
 named `user_for_paper_trail`, which you can define inside your Sinatra
 application. (By default, it attempts to invoke a method named `current_user`.)
 
@@ -169,8 +169,8 @@ the following options:
 ##### `:class_name`
 
 The name of a custom `Draft` class. This class should inherit from
-`Draftsman::Draft`. A global default can be set for this using
-`Draftsman.draft_class_name=` if the default of `Draftsman::Draft` needs to be
+`Draftsman::Single::Draft`. A global default can be set for this using
+`Draftsman.draft_class_name=` if the default of `Draftsman::Single::Draft` needs to be
 overridden.
 
 ##### `:ignore`
@@ -276,22 +276,22 @@ Widget.live.includes(:gears, :sprockets).live(:gears)
 
 ### Draft Class Methods
 
-The `Draftsman::Draft` class has the following scopes:
+The `Draftsman::Single::Draft` class has the following scopes:
 
 ```ruby
 # Returns all drafts created by the `create` event.
-Draftsman::Draft.creates
+Draftsman::Single::Draft.creates
 
 # Returns all drafts created by the `update` event.
-Draftsman::Draft.updates
+Draftsman::Single::Draft.updates
 
 # Returns all drafts created by the `destroy` event.
-Draftsman::Draft.destroys
+Draftsman::Single::Draft.destroys
 ```
 
 ### Draft Instance Methods
 
-And a `Draftsman::Draft` instance has these methods:
+And a `Draftsman::Single::Draft` instance has these methods:
 
 ```ruby
 # Return the associated item in its state before the draft.
@@ -479,7 +479,7 @@ class Admin::DraftsController < Admin::BaseController
   before_action :find_draft, only: [:show, :update, :destroy]
 
   def index
-    @drafts = Draftsman::Draft.includes(:item).order(updated_at: :desc)
+    @drafts = Draftsman::Single::Draft.includes(:item).order(updated_at: :desc)
   end
 
   def show
@@ -535,7 +535,7 @@ private
 
   # Finds draft by `params[:id]`.
   def find_draft
-    @draft = Draftsman::Draft.find(params[:id])
+    @draft = Draftsman::Single::Draft.find(params[:id])
   end
 end
 

lib/draftsman.rb

@@ -49,13 +49,23 @@ def self.controller_info=(value)
   end
 
   # Returns default class name used for drafts.
-  def self.draft_class_name
-    draftsman_store[:draft_class_name]
+  def self.single_draft_class_name
+    draftsman_store[:single_draft_class_name]
+  end
+
+  # Returns default class name used for drafts.
+  def self.multiple_draft_class_name
+    draftsman_store[:multiple_draft_class_name]
+  end
+
+  # Sets default class name to use for drafts.
+  def self.single_draft_class_name=(class_name)
+    draftsman_store[:single_draft_class_name] = class_name
   end
 
   # Sets default class name to use for drafts.
-  def self.draft_class_name=(class_name)
-    draftsman_store[:draft_class_name] = class_name
+  def self.multiple_draft_class_name=(class_name)
+    draftsman_store[:multiple_draft_class_name] = class_name
   end
 
   # Set the field which records when a draft was created.
@@ -116,7 +126,7 @@ def self.whodunnit_field=(field_name)
 
   # Thread-safe hash to hold Draftman's data. Initializing with needed default values.
   def self.draftsman_store
-    Thread.current[:draft] ||= { draft_class_name: 'Draftsman::Draft' }
+    Thread.current[:draft] ||= { single_draft_class_name: 'Draftsman::Single::Draft', multiple_draft_class_name: 'Draftsman::Multiple::Draft' }
   end
 
   # Returns Draftman's configuration object.
@@ -130,7 +140,8 @@ def self.configure
 end
 
 # Draft model class.
-require 'draftsman/draft'
+require 'draftsman/single/draft'
+require 'draftsman/multiple/draft'
 
 # Inject `Draftsman::Model` into ActiveRecord classes.
 ActiveSupport.on_load(:active_record) do