module ActiveRecord # Raised by save! and create! when the record is invalid. Use the # +record+ method to retrieve the record which did not validate. # begin # complex_operation_that_calls_save!_internally # rescue ActiveRecord::RecordInvalid => invalid # puts invalid.record.errors # end class RecordInvalid < ActiveRecordError attr_reader :record def initialize(record) @record = record errors = @record.errors.full_messages.join(I18n.t('support.array.words_connector', :default => ', ')) super(I18n.t('errors.messages.record_invalid', :errors => errors)) end end module Validations extend ActiveSupport::Concern include ActiveModel::Validations included do alias_method_chain :save, :validation alias_method_chain :save!, :validation end module ClassMethods # Creates an object just like Base.create but calls save! instead of save # so an exception is raised if the record is invalid. def create!(attributes = nil, &block) if attributes.is_a?(Array) attributes.collect { |attr| create!(attr, &block) } else object = new(attributes) yield(object) if block_given? object.save! object end end end module InstanceMethods # The validation process on save can be skipped by passing false. The regular Base#save method is # replaced with this when the validations module is mixed in, which it is by default. def save_with_validation(perform_validation = true) if perform_validation && valid? || !perform_validation save_without_validation else false end end # Attempts to save the record just like Base#save but will raise a RecordInvalid exception instead of returning false # if the record is not valid. def save_with_validation! if valid? save_without_validation! else raise RecordInvalid.new(self) end end # Runs all the specified validations and returns true if no errors were added otherwise false. def valid? errors.clear @_on_validate = new_record? ? :create : :update _run_validate_callbacks deprecated_callback_method(:validate) if new_record? deprecated_callback_method(:validate_on_create) else deprecated_callback_method(:validate_on_update) end errors.empty? end end end end Dir[File.dirname(__FILE__) + "/validations/*.rb"].sort.each do |path| filename = File.basename(path) require "active_record/validations/#{filename}" end