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module ActiveRecord
# = Active Record RecordInvalid
# Raised by <tt>save!</tt> and <tt>create!</tt> 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 # :nodoc:
def initialize(record) # :nodoc:
@record = record
errors = @record.errors.full_messages.join(", ")
super(I18n.t(:"#{@record.class.i18n_scope}.errors.messages.record_invalid", :errors => errors, :default => :"errors.messages.record_invalid"))
# = Active Record Validations
# Active Record includes the majority of its validations from <tt>ActiveModel::Validations</tt>
# all of which accept the <tt>:on</tt> argument to define the context where the
# validations are active. Active Record will always supply either the context of
# <tt>:create</tt> or <tt>:update</tt> dependent on whether the model is a
# <tt>new_record?</tt>.
module Validations
extend ActiveSupport::Concern
include ActiveModel::Validations
module ClassMethods
# Creates an object just like Base.create but calls <tt>save!</tt> 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) }
object = new(attributes)
yield(object) if block_given?!
# The validation process on save can be skipped by passing <tt>validate: false</tt>.
# The regular Base#save method is replaced with this when the validations
# module is mixed in, which it is by default.
def save(options={})
perform_validations(options) ? super : false
# 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!(options={})
perform_validations(options) ? super : raise(
# Runs all the validations within the specified context. Returns +true+ if
# no errors are found, +false+ otherwise.
# If the argument is +false+ (default is +nil+), the context is set to <tt>:create</tt> if
# <tt>new_record?</tt> is +true+, and to <tt>:update</tt> if it is not.
# Validations with no <tt>:on</tt> option will run no matter the context. Validations with
# some <tt>:on</tt> option will only run in the specified context.
def valid?(context = nil)
context ||= (new_record? ? :create : :update)
output = super(context)
errors.empty? && output
def perform_validations(options={}) # :nodoc:
options[:validate] == false || valid?(options[:context])
require "active_record/validations/associated"
require "active_record/validations/uniqueness"
require "active_record/validations/presence"
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