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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Validations #:nodoc:
# Validates whether or not an association is valid or not. Will correctly
# handle has one and has many associations.
#
# Example:
#
# class Person
# include Mongoid::Document
# embeds_one :name
# embeds_many :addresses
#
# validates_associated :name, :addresses
# end
class AssociatedValidator < ActiveModel::EachValidator
# Validates that the associations provided are either all nil or all
# valid. If neither is true then the appropriate errors will be added to
# the parent document.
#
# Example:
#
# <tt>validator.validate_each(document, :name, name)</tt>
def validate_each(document, attribute, value)
values = value.is_a?(Array) ? value : [ value ]
return if values.collect { |doc| doc.nil? || doc.valid? }.all?
document.errors.add(attribute, :invalid, options.merge!(:value => value))
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems