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Versions: 15
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Stored size: 1.58 KB
Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Paths #:nodoc:
extend ActiveSupport::Concern
included do
cattr_accessor :__path
attr_accessor :_index
end
# Get the insertion modifier for the document. Will be nil on root
# documents, $set on embeds_one, $push on embeds_many.
#
# Example:
#
# <tt>name.inserter</tt>
def _inserter
embedded? ? (embedded_many? ? "$push" : "$set") : nil
end
# Return the path to this +Document+ in JSON notation, used for atomic
# updates via $set in MongoDB.
#
# Example:
#
# <tt>address.path # returns "addresses"</tt>
def _path
_position.sub!(/\.\d+$/, '') || _position
end
alias :_pull :_path
# Returns the positional operator of this document for modification.
#
# Example:
#
# <tt>address.position</tt>
def _position
locator = _index ? (new_record? ? "" : ".#{_index}") : ""
embedded? ? "#{_parent._position}#{"." unless _parent._position.blank?}#{@association_name}#{locator}" : ""
end
# Get the removal modifier for the document. Will be nil on root
# documents, $unset on embeds_one, $set on embeds_many.
#
# Example:
#
# <tt>name.remover</tt>
def _remover
embedded? ? (_index ? "$pull" : "$unset") : nil
end
# Return the selector for this document to be matched exactly for use
# with MongoDB's $ operator.
#
# Example:
#
# <tt>address.selector</tt>
def _selector
embedded? ? _parent._selector.merge("#{_path}._id" => id) : { "_id" => id }
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems