assignment3.rb

require 'pry'

class Session
  attr_accessor :number, :name, :date, :themes, :presenters
 
  def initialize(number, date)
    @number = number
  	@name 	= name
    @date = date
		@themes = []
		@presenters = []
   end

	def to_s
		"Session #{ number } is on #{ date }, has as themes #{ themes.join(" and ") } on which #{ presenters.join(" and ")} present."
	end
end
 
class Course
  attr_reader :sessions
  attr_reader :participants
	attr_reader :themes

  def initialize(course_name)
    names = %w[Dan Ted Phil Steve Hank]
    dates = %w[02032013 09032013 16032013 23032013 30032013]
		concepts = %w[Globalism Love War Animals Art Cybernetics Technology Biology Education]
    @course_name = course_name
		@themes = concepts.map { |concept| Theme.new(concept) }
    @sessions = dates.each_with_index.map { |d,i| Session.new(i+3, dates[i]) }
    @participants = names.map { |name| Participant.new(name, "YELLOW") }
  end
 
  def change_preference(options)
    participant = @participants.select do |p|
			p.name == options[:name]
    end
    if participant[0]
    	session_number = options[:number] 
			participant[0].preference = session_number
			puts "#{ participant[0].name }'s preference is session #{ session_number} on #{ @sessions[session_number].date }"
    else
			puts "No such participant"
    end
   end

	def populate_sessions_with_themes
		@sessions.each do |session|
			2.times { session.themes << @themes.dup.shuffle!.pop }
			puts "Session #{ session.number } has as themes #{ session.themes.join(" and ") }"
		end
	end
	
	def populate_sessions_with_presenters
		number_of_presenters = @participants.length / @sessions.length
		add_presenter_to_session("Sander", 4)
		@participants.dup.each do |participant|
			@sessions.shuffle!
			while @sessions[0].presenters.length > number_of_presenters do
				@sessions.shuffle!
			end
			@sessions[0].presenters << participant
			@participants.delete(participant)
		end
		order_sessions
	end

	def order_sessions
		@sessions.sort_by! { |session| session.number }
		@sessions.each do |s|
			puts "#{ s }"
		end
	end
	
	def add_presenter_to_session(name, session_number)
		participant = @participants.select do |p|
				p.name == name
		end
		@sessions[session_number].presenters << participant.first
		@participants.delete(participant)
	end
end
 
class Participant
  attr_accessor :preference
  attr_accessor :name
  
  def initialize(name, preference = nil, favorite_color)
    @name = name
		@profile = Profile.new(1)
    @preference = preference
    @favorite_color = change_color(favorite_color)
  end
  
  def change_color(favorite_color)
    return "black"
    puts "#{ name }'s favorite color is now #{ favorite_color }"
  end

	def to_s
		name
	end
end

class Theme
	attr_accessor :description
	attr_reader :name

	def initialize(name, description = "This theme is still undefined. Please write a description.")
		@name = name
		@description = description
	end

	def to_s
		"#{ name }: #{ description }"
	end
end

class Profile
	def initialize(id)
		@id = id
	end
end

# Juliana's Code

# dan_data = {
# 	"full name" => "Dan Craig",
# 	"e-mail" => "[email protected]",
# 	"id" => "101045"
# }
#  
# participantsdata = [ dan_data ]

# 	attr_accessor :fullname, :email, :id
# 	def self.initialize(full_name, e_mail, id)
# 		@full_name = fullname
# 		@e_mail = email
# 		@id = id 
# 	end
# end
#  
# def participantsdata (data)
# 	full = data ["full name"]
# 	email = data ["e-mail"]
# 	id = data ["id"]
# 	
# 	puts full + "	" + email + "	" + id
# end
#  
# data = Data.new("Dan Craig")

course = Course.new("Arts, Science, and Technology")
course.change_preference({name: "Dan", number: 3})
binding.pry

# ASSIGNMENT 3
#	Fix Juliana's code
#	Integrate the Profile class (DATA won't work - Ruby already has a Data class) into Participant