class ActiveModel::Validations::BytesizeValidator

Attributes

encoding[R]

Public Class Methods

new(options = {}) click to toggle source
Calls superclass method
# File lib/active_model/validations/bytesize.rb, line 6
def initialize(options = {})
  super
  @encoding = Encoding.find(options[:encoding]) if options[:encoding]
end

Public Instance Methods

check_validity!() click to toggle source
# File lib/active_model/validations/bytesize.rb, line 11
def check_validity!
  unless options[:maximum].is_a?(Integer) && options[:maximum] >= 0
    raise ArgumentError, ":maximum must be set to a nonnegative Integer"
  end
end
validate_each(record, attribute, value) click to toggle source
# File lib/active_model/validations/bytesize.rb, line 17
def validate_each(record, attribute, value)
  string = ActiveRecord::DatabaseValidations::MySQL.value_for_column(value, options[:encoding])

  if string.bytesize > options[:maximum]
    errors_options = options.except(:too_many_bytes, :maximum)
    default_message = options[:too_many_bytes]
    errors_options[:count] = options[:maximum]
    errors_options[:message] ||= default_message if default_message
    record.errors.add(attribute, :too_many_bytes, **errors_options)
  end
end