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Contents
# encoding: utf-8
module Mongoid
# This module contains the behaviour of Mongoid's clone/dup of documents.
module Copyable
extend ActiveSupport::Concern
# Clone or dup the current +Document+. This will return all attributes with
# the exception of the document's id, and will reset all the
# instance variables.
#
# This clone also includes embedded documents.
#
# @example Clone the document.
# document.clone
#
# @param [ Document ] other The document getting cloned.
#
# @return [ Document ] The new document.
def clone
# @note This next line is here to address #2704, even though having an
# _id and id field in the document would cause problems with Mongoid
# elsewhere.
attrs = clone_document.except("_id", "id")
self.class.new(attrs)
end
alias :dup :clone
private
# Clone the document attributes
#
# @api private
#
# @example clone document
# model.clone_document
#
# @param [ Hash ] dcoument The document with hash format
#
# @since 3.0.22
def clone_document
attrs = as_document.__deep_copy__
process_localized_attributes(attrs)
attrs
end
# When cloning, if the document has localized fields we need to ensure they
# are properly processed in the clone.
#
# @api private
#
# @example Process localized attributes.
# model.process_localized_attributes(attributes)
#
# @param [ Hash ] attrs The attributes.
#
# @since 3.0.20
def process_localized_attributes(attrs)
localized_fields.keys.each do |name|
if value = attrs.delete(name)
attrs["#{name}_translations"] = value
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems