Sha256: 0fa72403cbe2b31ab1866f92eef77f93eb85a19bd135c477cd06daea7bac6c5b
Contents?: true
Size: 991 Bytes
Versions: 18
Compression:
Stored size: 991 Bytes
Contents
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
def self.included(base)
base.class_eval do
field :version, :type => Integer, :default => 1
has_many :versions, :class_name => self.name
before_save :revise
include InstanceMethods
end
end
module InstanceMethods
# 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
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems