Processing service objects

ServiceObjects-processing.rb

class MessageCreator
  # ...
  def call
    process!
    return result
  end

  private
  def process!
    if message.save
      deliver_messages
    else
      (@errors ||= []) << message.errors
    end
  end

  def deliver_messages
    # ...
  end

  def result
    OpenStruct.new(success?: !errors, errors: errors.try(:flatten), message: message)
  end
end