Example I for the Post - Design Patterns in Ruby - Strategy - Part I

sample_02.rb

EmailStrategy = Struct.new(:from) do
  
  def notify(context) 
    context.receivers.each { |receiver| push(to: receiver.email, subject: context.subject_msg, content: context.content_msg) }
    
  end 

  private
  
  def push(to:, subject:, content:)
    # Call third lib to send email
    # Using the :from too.
    puts "Notifying through email Strategy. From: #{from}"
  end
end