Matt Haefling

lib/exhibit.rb

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

lib/museum.rb

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+class Museum
+    attr_reader :name,
+                :exhibits,
+                :patrons
+
+    def initialize(name)
+        @name = name
+        @exhibits = []
+        @recommend_exhibits = []
+        @patrons = []
+        @lottery_contestants = []
+        @winner = nil
+    end
+
+    def add_exhibit(exhibit_name)
+        @exhibits << exhibit_name
+    end
+
+    def recommend_exhibits(visitor)
+        @exhibits.select do |exhibit|
+            if visitor.interests.include?(exhibit.name)
+                @recommend_exhibits << exhibit
+            end
+        end 
+    end
+
+    def admit(patron_entered)
+        @patrons << patron_entered
+    end
+
+    def patrons_by_exhibit_interest
+        pbei = {}
+        @exhibits.each do |exhibit|
+          patron = @patrons.select do |patron|
+            patron.interests.include?(exhibit.name)
+          end
+          pbei[exhibit] = patron
+        end
+        pbei
+    end
+
+    def ticket_lottery_contestants(interested_exhibit)
+        @lottery_exhibit = interested_exhibit
+        @exhibits.each do |exhibit|
+            @lottery_contestants = @patrons.select do |patron|
+                patron.spending_money < exhibit.cost
+            end
+        end
+        @lottery_contestants
+    end
+
+    def draw_lottery_winner
+        if @lottery_contestants.count > 0
+            @winner = @lottery_contestants.sample
+        else
+            @winner
+        end
+    end
+
+    def announce_lottery_winner
+        if @winner == nil
+            puts "No winners for this lottery"
+        else
+            puts"#{@winner.name} has won the #{@lottery_exhibit.name} exhibit lottery"
+        end
+    end
+end

lib/patron.rb

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

spec/exhibit_spec.rb

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

spec/museum_spec.rb

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+require './lib/museum'
+require './lib/exhibit'
+require './lib/patron'
+
+RSpec.describe 'Museum' do
+    describe '#instantiate' do
+        it 'is a museum' do
+            dmns = Museum.new("Denver Museum of Nature and Science")
+
+            expect(dmns).to be_a(Museum)
+        end
+    end
+
+    describe '#initialize' do
+        it 'has a name, no exibits, and no addmitted patrons when initialized' do
+            dmns = Museum.new("Denver Museum of Nature and Science")
+
+            expect(dmns.name).to eq("Denver Museum of Nature and Science")
+            expect(dmns.exhibits).to eq([])
+            expect(dmns.patrons). to eq([])
+        end
+    end
+
+    describe '#add_exhibit' do
+        it 'can have different 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).to eq([gems_and_minerals, dead_sea_scrolls, imax])
+        end
+    end
+
+    describe '#recommend_exhibits' do
+        it 'recommends exhibits 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)).to eq([gems_and_minerals, dead_sea_scrolls])
+            expect(dmns.recommend_exhibits(patron_2)).to eq([imax])
+        end
+    end
+
+    describe '#admit' do
+        it 'patrons are added as they get admited to the museum' 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)
+            expect(dmns.patrons).to eq([])
+            dmns.admit(patron_1)
+            dmns.admit(patron_2)
+            dmns.admit(patron_3)
+
+            expect(dmns.patrons).to eq([patron_1, patron_2, patron_3])
+        end
+    end
+
+    describe '#patrons_by_exhibit_interest' do
+        it 'provides an array of patrons interested in each exhibit' 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 eq({gems_and_minerals => [patron_1], dead_sea_scrolls => [patron_1, patron_2, patron_3], imax => []})
+        end
+    end
+
+    describe '#ticket_lottery_contestants' do
+        it 'provides a list of patrons that are interested in an exhibit but cannot afford it' 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 eq([patron_1, patron_3])
+        end
+    end
+
+    describe '#draw_lottery_winner' do
+        it 'chooses a winner from the patrons that could not afford to see an exhibit' 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)
+            dmns.ticket_lottery_contestants(dead_sea_scrolls)
+            dmns.draw_lottery_winner
+            # had just made the test to confirm the method was working.
+        end
+    end
+
+    describe '#announce_lottery_winner' do
+        it 'anounced who won the lottery ticket to the exhibit' 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)
+            dmns.ticket_lottery_contestants(dead_sea_scrolls)
+            dmns.draw_lottery_winner
+            dmns.announce_lottery_winner
+        end
+    end
+end
+
+
+

spec/patron_spec.rb

@@ -0,0 +1,36 @@
+require './lib/patron'
+
+RSpec.describe 'Patron' do
+    describe '#instantiate' do
+        it 'is an instance of Patron' do
+            patron_1 = Patron.new("Bob", 20)
+
+            expect(patron_1).to be_a(Patron)
+        end
+    end
+
+    describe '#initialize' do
+        it 'has a name and money' do
+            patron_1 = Patron.new("Bob", 20)
+
+            expect(patron_1.name).to eq("Bob")
+            expect(patron_1.spending_money).to eq(20)
+        end
+    end
+
+    describe '#add_interest' do
+        it 'starts with no interests' do
+            patron_1 = Patron.new("Bob", 20)
+
+            expect(patron_1.interests).to eq([])
+        end
+
+        it 'is able to 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
+end