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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 Set up the association validations.
#
# 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 Validate the association.
# validator.validate_each(document, :name, name)
#
# @param [ Document ] document The document to validate.
# @param [ Symbol ] attribute The relation to validate.
# @param [ Object ] value The value of the relation.
def validate_each(document, attribute, value)
unless document.validated?
document.validated = true
valid = value.to_a.collect { |doc| doc.nil? || doc.valid? }.all?
document.validated = false
return if valid
document.errors.add(attribute, :invalid, options.merge(:value => value))
else
document.validated = false
end
end
end
end
end
Version data entries
5 entries across 5 versions & 2 rubygems