module Enum::Transition

Constants

VERSION

Public Class Methods

included(base) click to toggle source
# File lib/enum/transition.rb, line 5
def self.included(base)
  base.class_eval do
    after_validation :ensure!
    base.extend ClassMethods
  end
end

Public Instance Methods

ensure!() click to toggle source
# File lib/enum/transition.rb, line 26
def ensure!
  self.class.name.constantize.instance_variable_get('@enum_columns_array').each do |column|
    if !self.new_record?  && self.send("#{column}_changed?")
      unless self.respond_to? "#{self.send("#{column}_was")}_to_#{self.send("#{column}")}"
        self.errors.add(:base, "Status can't be changed from #{self.send("#{column}_was")} to #{self.send("#{column}")}")
      end
    end
  end
end