starting on revisions

Oleg committed May 06, 2011

commit 58ada040675170195c56ceeee1d6aba1f1d43da9

app/models/cms/layout.rb +2 -0

@@	@@ -4,6 +4,8 @@ class Cms::Layout < ActiveRecord::Base

	acts_as_tree

+	has_revisions_for :content, :css, :js
+
	# -- Relationships --------------------------------------------------------
	belongs_to :site
	has_many :pages, :dependent => :nullify

app/models/cms/page.rb +5 -0

@@	@@ -5,6 +5,11 @@ class Cms::Page < ActiveRecord::Base
	# -- AR Extensions --------------------------------------------------------
	acts_as_tree :counter_cache => :children_count

+	has_revisions_for :blocks_attributes
+
+	# ------ blocks_attributes_changed?
+	# ------ blocks_attributes_was
+
	attr_accessor :tags

	# -- Relationships --------------------------------------------------------

app/models/cms/revision.rb +10 -0

@@	@@ -0,0 +1,10 @@
+	class Cms::Revision < ActiveRecord::Base
+
+	set_table_name :cms_revisions
+
+	serialize :data
+
+	# -- Relationships --------------------------------------------------------
+	belongs_to :record, :polymorphic => true
+
+	end
	\ No newline at end of file

app/models/cms/snippet.rb +2 -0

@@	@@ -2,6 +2,8 @@ class Cms::Snippet < ActiveRecord::Base

	set_table_name :cms_snippets

+	has_revisions_for :content
+
	# -- Relationships --------------------------------------------------------
	belongs_to :site

migrate/01_create_cms.rb b/db/migrate/01_create_cms.rb +11 -0

@@	@@ -70,6 +70,16 @@ class CreateCms < ActiveRecord::Migration
	t.timestamps
	end
	add_index :cms_uploads, [:site_id, :file_file_name]
+
+	# -- Revisions -----------------------------------------------------------
+	create_table :cms_revisions, :force => true do \|t\|
+	t.string :record_type
+	t.integer :record_id
+	t.text :data
+	t.datetime :created_at
+	end
+	add_index :cms_revisions, [:record_type, :record_id, :created_at]
+
	end

	def self.down
@@	@@ -79,5 +89,6 @@ class CreateCms < ActiveRecord::Migration
	drop_table :cms_snippets
	drop_table :cms_blocks
	drop_table :cms_uploads
+	drop_table :cms_revisions
	end
	end

migrate/upgrades/03_upgrade_to_1_2_0.rb b/db/migrate/upgrades/03_upgrade_to_1_2_0.rb +15 -0

@@	@@ -0,0 +1,15 @@
+	class UpgradeTo120 < ActiveRecord::Migration
+	def self.up
+	create_table :cms_revisions, :force => true do \|t\|
+	t.string :record_type
+	t.integer :record_id
+	t.text :data
+	t.datetime :created_at
+	end
+	add_index :cms_revisions, [:record_type, :record_id, :created_at]
+	end
+
+	def self.down
+	drop_table :cms_revisions
+	end
+	end
	\ No newline at end of file

comfortable_mexican_sofa.rb b/lib/comfortable_mexican_sofa.rb +1 -0

@@	@@ -12,6 +12,7 @@ end
	'comfortable_mexican_sofa/view_methods',
	'comfortable_mexican_sofa/form_builder',
	'comfortable_mexican_sofa/acts_as_tree',
+	'comfortable_mexican_sofa/has_revisions',
	'comfortable_mexican_sofa/tag',
	'comfortable_mexican_sofa/fixtures'
	].each do \|path\|

comfortable_mexican_sofa/has_revisions.rb b/lib/comfortable_mexican_sofa/has_revisions.rb +34 -0

@@	@@ -0,0 +1,34 @@
+	module ComfortableMexicanSofa::HasRevisions
+
+	def self.included(base)
+	base.send :extend, ClassMethods
+	base.send :include, InstanceMethods
+	end
+
+	module ClassMethods
+
+	def has_revisions_for(*fields)
+
+	has_many :revisions,
+	:as => :record,
+	:dependent => :destroy
+
+	before_save :create_revision
+
+	define_method(:revision_fields) do
+	fields
+	end
+	end
+	end
+
+	module InstanceMethods
+
+	def create_revision
+	# ...
+	end
+
+	end
+
+	end
+
+	ActiveRecord::Base.send :include, ComfortableMexicanSofa::HasRevisions
	\ No newline at end of file

test/unit/revisions_test.rb +17 -0

@@	@@ -0,0 +1,17 @@
+	require File.expand_path('../test_helper', File.dirname(__FILE__))
+
+	class RevisionsTest < ActiveSupport::TestCase
+
+	def test_init_for_layouts
+	assert_equal [:content, :css, :js], cms_layouts(:default).revision_fields
+	end
+
+	def test_init_for_pages
+	assert_equal [:blocks_attributes], cms_pages(:default).revision_fields
+	end
+
+	def test_init_for_snippets
+	assert_equal [:content], cms_snippets(:default).revision_fields
+	end
+
+	end
	\ No newline at end of file