Ruby : Example of defining class and instance methods in module #ruby #module #class_method #instance_method #mixin

network_belongable.rb

module NetworkBelongable
  module OneToOne
    extend ActiveSupport::Concern

    included do
      self.has_many "#{self.to_s.downcase}_networks".to_sym
      self.has_many :networks, through: "#{self.to_s.downcase}_networks".to_sym

      Network.has_many "#{self.to_s.downcase}_networks".to_sym
      Network.has_many self.to_s.downcase.pluralize.to_sym, through: "#{self.to_s.downcase}_networks".to_sym
    end

    module ClassMethods
      #class method of the mixined model
      def hi
        puts "hi"
      end
    end

    #instance method of the mixined model
    def hihi
      puts "hi"
    end
  end
end