thread_safe??.rb

# Is it thread-safe if this class is instantiated based on a new HTTP req
# and two separate reqs happen at the same time?

class BingBong
  attr_reader :uuid, :person

  def initialize(person:,)
    @uuid   = SecureRandom.uuid
    @person = person
  end
  
  def execute
    fetch_preferences
    
    Thread.new do
      fetch_suggested_restaurants
    end
    
    Thread.new do
      fetch_suggested_music
    end
  end
  
  def fetch_preferences
    @prefs ||= PreferenceService.new(person_id: person.id).execute
  end
     
  def fetch_suggested_restaurants
    food = FoodService.new(preferences: @prefs, person_id: person.id).execute
    RPCPublisher.publish(uuid, food)
  end         
  
  def fetch_suggested_music   
    music = MusicService.new(preferences: @prefs, person_id: person.id).execute
    RPCPublisher.publish(uuid, music)  
  end
end