gistfile1.txt

# == Schema Information
#
# Table name: experiences
#
#  id                :integer(4)      not null, primary key
#  doctor_id         :integer(4)
#  place_of_practice :string(255)
#  year_start        :integer(4)
#  year_end          :integer(4)
#  created_at        :datetime
#  updated_at        :datetime
#

class Experience < ActiveRecord::Base
  set_table_name 'users'
  class << self

    def validates_is_higher(*attrs)
      configuration = { :message => '"Year Start" should be greater than "Year End"', :on => :save }
      configuration.update(attrs.extract_options!)
      
      options = attrs.extract_options!.symbolize_keys
      attrs   = attrs.flatten

      # Declare the validation.
      send(validation_method(options[:on] || :save), options) do |record|
        record.errors.add_to_base(configuration[:message]) unless record.send(attrs.first) <= record.send(attrs.last)
      end
    end
    
  end
  
  belongs_to :doctor
  
  validates_presence_of :place_of_practice
  validates_numericality_of :year_start, :greater_than => 0, :message => 'must be selected'
  validates_numericality_of :year_end, :greater_than => 0, :message => 'must be selected'
  
  validates_is_higher :year_start, :year_end
  
end