Jillian Bleggi- Museums 2410

lib/exhibit.rb

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+class Exhibit
+  attr_reader :name, :cost
+
+  def initialize(info)
+    @name = info[:name]
+    @cost = info[:cost]
+  end
+end

lib/museum.rb

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+class Museum
+  attr_reader :name, :exhibits, :patrons
+
+  def initialize(name)
+    @name = name
+    @exhibits = []
+    @patrons = []
+  end
+
+  def add_exhibit(exhibit)
+    @exhibits << exhibit
+  end
+
+  def recommend_exhibits(patron)
+    @exhibits.select { |exhibit| patron.interests.include?(exhibit.name) }
+  end
+
+  def admit(patron)
+    @patrons << patron
+  end
+
+  def patrons_by_exhibit_interest
+    exhibit_interest = {}
+
+    @exhibits.each do |exhibit| 
+      interested_patrons = @patrons.select { |patron| patron.interests.include?(exhibit.name) }
+
+      exhibit_interest[exhibit] = interested_patrons
+    end
+
+    exhibit_interest
+  end
+
+  def ticket_lottery_contestants(exhibit)
+    contestants = []
+
+    @patrons.each do |patron|
+      if patron.interests.include?(exhibit.name) && patron.spending_money < exhibit.cost
+        contestants << patron
+      end
+    end
+
+    contestants
+  end
+
+  def draw_lottery_winner(exhibit)
+    contestants = ticket_lottery_contestants(exhibit) 
+    return nil if contestants.empty?
+
+    contestants.sample.name
+  end
+
+  def announce_lottery_winner(exhibit)
+    winner = draw_lottery_winner(exhibit)
+
+    if winner
+      "#{winner} has won the #{exhibit.name} lottery!"
+    else
+      "No winners for this lottery."
+    end
+  end
+end

lib/patron.rb

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+class Patron
+  attr_reader :name, :spending_money, :interests
+
+  def initialize(name, spending_money)
+    @name = name
+    @spending_money = spending_money
+    @interests = []
+  end
+
+  def add_interest(interest)
+    @interests << (interest)
+  end
+
+end

spec/exhibit_spec.rb

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+require './lib/exhibit'
+require './lib/patron'
+
+RSpec.describe Exhibit do
+  it 'has a name' do
+    exhibit = Exhibit.new({name: "Gems and Minerals", cost: 0})
+
+    expect(exhibit.name).to eq "Gems and Minerals"
+  end
+
+  it 'has a cost' do
+    exhibit = Exhibit.new({name: "Gems and Minerals", cost: 0})
+
+    expect(exhibit.cost).to eq 0
+  end
+end

spec/museum_spec.rb

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+require './lib/museum'
+require './lib/patron'
+require './lib/exhibit'
+require 'rspec'
+
+RSpec.describe Museum do
+  describe "instantiation" do
+    it 'has a name' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      expect(dmns.name).to eq "Denver Museum of Nature and Science"
+    end
+
+    it 'can have exhibits' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      expect(dmns.exhibits).to eq []
+    end
+
+    it 'can list patrons' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      expect(dmns.patrons).to eq []
+    end
+  end
+
+  describe "behaviors" do
+    it 'can add exhibits' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      expect(dmns.exhibits.count).to eq 3
+    end
+
+    it 'can recommend interests to patrons' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      patron_1 = Patron.new("Bob", 20)
+      patron_1.add_interest("Dead Sea Scrolls")
+      patron_1.add_interest("Gems and Minerals")
+
+      patron_2 = Patron.new("Sally", 20)
+      patron_2.add_interest("IMAX")
+
+      expect(dmns.recommend_exhibits(patron_1).count).to eq 2
+      expect(dmns.recommend_exhibits(patron_2).count).to eq 1
+    end
+
+    it 'can admit patrons' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      patron_1 = Patron.new("Bob", 0)
+      patron_2 = Patron.new("Sally", 20)
+      patron_3 = Patron.new("Johnny", 5)
+
+      dmns.admit(patron_1)
+      dmns.admit(patron_2)
+      dmns.admit(patron_3)
+
+      expect(dmns.patrons.count).to eq 3
+    end
+
+    it 'can return a hash of exhibits and interested patrons' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      patron_1 = Patron.new("Bob", 0)
+      patron_1.add_interest("Gems and Minerals")
+      patron_1.add_interest("Dead Sea Scrolls")
+
+      patron_2 = Patron.new("Sally", 20)
+      patron_2.add_interest("Dead Sea Scrolls")
+
+      patron_3 = Patron.new("Johnny", 5)
+      patron_3.add_interest("Dead Sea Scrolls")
+
+      dmns.admit(patron_1)
+      dmns.admit(patron_2)
+      dmns.admit(patron_3)
+
+      expect(dmns.patrons_by_exhibit_interest).to be_a Hash
+    end
+  end
+
+  describe "lottery system" do 
+    it 'can return an array of patrons whose #spending_money < #exhibit.cost' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      patron_1 = Patron.new("Bob", 0)
+      patron_1.add_interest("Gems and Minerals")
+      patron_1.add_interest("Dead Sea Scrolls")
+
+      patron_2 = Patron.new("Sally", 20)
+      patron_2.add_interest("Dead Sea Scrolls")
+
+      patron_3 = Patron.new("Johnny", 5)
+      patron_3.add_interest("Dead Sea Scrolls")
+
+      dmns.admit(patron_1)
+      dmns.admit(patron_2)
+      dmns.admit(patron_3)
+
+      expect(dmns.ticket_lottery_contestants(dead_sea_scrolls)).to be_a Array
+      expect(dmns.ticket_lottery_contestants(dead_sea_scrolls).count).to eq 2
+
+      expect(dmns.ticket_lottery_contestants(gems_and_minerals)).to eq []
+      expect(dmns.ticket_lottery_contestants(imax)).to eq []
+    end
+
+    it 'can draw a lottery winner if there are entrants' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      patron_1 = Patron.new("Bob", 0)
+      patron_1.add_interest("Gems and Minerals")
+      patron_1.add_interest("Dead Sea Scrolls")
+
+      patron_2 = Patron.new("Sally", 20)
+      patron_2.add_interest("Dead Sea Scrolls")
+
+      patron_3 = Patron.new("Johnny", 5)
+      patron_3.add_interest("Dead Sea Scrolls")
+
+      dmns.admit(patron_1)
+      dmns.admit(patron_2)
+      dmns.admit(patron_3)
+
+      expect(dmns.draw_lottery_winner(dead_sea_scrolls)).to be_a String
+    end
+
+    it 'will return #nil if there are no entrants' do
+    dmns = Museum.new("Denver Museum of Nature and Science")
+
+    gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+    dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+    imax = Exhibit.new({name: "IMAX",cost: 15})
+    dmns.add_exhibit(gems_and_minerals)
+    dmns.add_exhibit(dead_sea_scrolls)
+    dmns.add_exhibit(imax)
+
+    patron_1 = Patron.new("Bob", 0)
+    patron_1.add_interest("Gems and Minerals")
+    patron_1.add_interest("Dead Sea Scrolls")
+
+    patron_2 = Patron.new("Sally", 20)
+    patron_2.add_interest("Dead Sea Scrolls")
+
+    patron_3 = Patron.new("Johnny", 5)
+    patron_3.add_interest("Dead Sea Scrolls")
+
+    dmns.admit(patron_1)
+    dmns.admit(patron_2)
+    dmns.admit(patron_3)
+
+    expect(dmns.draw_lottery_winner(gems_and_minerals)).to eq nil
+    expect(dmns.draw_lottery_winner(imax)).to eq nil
+    end
+
+    it 'can announce a lottery winner' do
+      dmns = Museum.new("Denver Museum of Nature and Science")
+
+      gems_and_minerals = Exhibit.new({name: "Gems and Minerals", cost: 0})
+      dead_sea_scrolls = Exhibit.new({name: "Dead Sea Scrolls", cost: 10})
+      imax = Exhibit.new({name: "IMAX",cost: 15})
+      dmns.add_exhibit(gems_and_minerals)
+      dmns.add_exhibit(dead_sea_scrolls)
+      dmns.add_exhibit(imax)
+
+      patron_1 = Patron.new("Bob", 0)
+      patron_1.add_interest("Gems and Minerals")
+      patron_1.add_interest("Dead Sea Scrolls")
+
+      patron_2 = Patron.new("Sally", 20)
+      patron_2.add_interest("Dead Sea Scrolls")
+
+      patron_3 = Patron.new("Johnny", 5)
+      patron_3.add_interest("Dead Sea Scrolls")
+
+      dmns.admit(patron_1)
+      dmns.admit(patron_2)
+      dmns.admit(patron_3)
+
+      expect(dmns.announce_lottery_winner(dead_sea_scrolls)).to be_a String
+
+      expect(dmns.announce_lottery_winner(gems_and_minerals)).to eq "No winners for this lottery."
+      expect(dmns.announce_lottery_winner(imax)).to eq "No winners for this lottery."
+    end
+  end
+end

spec/patron_spec.rb

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+require './lib/exhibit'
+require './lib/patron'
+
+RSpec.describe Patron do
+  describe "instantiation" do
+    it 'has a name' do
+      patron_1 = Patron.new("Bob", 20)
+
+      expect(patron_1.name).to eq "Bob"
+    end
+
+    it 'has spending money' do
+      patron_1 = Patron.new("Bob", 20)
+
+      expect(patron_1.spending_money).to eq 20
+    end
+
+    it 'can have interests' do
+      patron_1 = Patron.new("Bob", 20)
+
+      expect(patron_1.interests).to eq []
+    end
+  end
+
+  it 'can add interests' do
+    patron_1 = Patron.new("Bob", 20)
+
+    patron_1.add_interest("Dead Sea Scrolls")
+    patron_1.add_interest("Gems and Minerals")
+
+    expect(patron_1.interests).to eq ["Dead Sea Scrolls", "Gems and Minerals"]
+  end
+end