Sha256: be8e5dc23e2fc18afbac4e05fd2564575caabf1ef31f7ab6d9ce5055e779f547
Contents?: true
Size: 1012 Bytes
Versions: 10
Compression:
Stored size: 1012 Bytes
Contents
# encoding: utf-8
module Mongoid #:nodoc:
# Include this module to get automatic versioning of root level documents.
# This will add a version field to the +Document+ and a has_many association
# with all the versions contained in it.
module Versioning
extend ActiveSupport::Concern
included do
field :version, :type => Integer, :default => 1
embeds_many :versions, :class_name => self.name
set_callback :save, :before, :revise
end
# Create a new version of the +Document+. This will load the previous
# document from the database and set it as the next version before saving
# the current document. It then increments the version number.
def revise
last_version = self.class.first(:conditions => { :_id => id, :version => version })
if last_version
self.versions << last_version.clone
self.version = version + 1
@modifications["versions"] = [ nil, @attributes["versions"] ] if @modifications
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems