Dustin Peukert

lib/attendee.rb

@@ -3,6 +3,6 @@ class Attendee
 
     def initialize(info)
         @name = info[:name]
-        @budget = info[:budget]
+        @budget = info[:budget].delete('$').to_i
     end
 end

lib/auction.rb

@@ -1,15 +1,100 @@
+require 'date'
+
 class Auction
     attr_reader :items
 
     def initialize
         @items = []
+        @date = Date.today
+    end
+
+    def date
+        @date.strftime('%d/%m/%Y')
     end
 
     def add_item(item)
-        @items.unshift(item)
+        @items << item
     end
 
     def item_names
-        raise NotImplementedError
+        names = []
+        @items.each do |item|
+            names << item.name
+        end
+        names
+    end
+
+    def unpopular_items
+        unpopular_items = []
+        @items.each do |item|
+            if item.bids.empty?
+                unpopular_items << item
+            end
+        end
+        unpopular_items
+    end
+
+    def potential_revenue
+        potential_revenue = 0
+        @items.each do |item|
+            if item.current_high_bid != nil
+                potential_revenue += item.current_high_bid
+            end
+        end
+        potential_revenue
+    end
+
+    def bidders
+        names = []
+        @items.each do |item|
+            all_bidders_for_item = item.bids.keys
+
+            all_bidders_for_item.each do |bidder|
+                if !names.include?(bidder.name)
+                    names << bidder.name
+                end
+            end
+        end
+        names
+    end
+
+    def bidder_objects
+        bidder_objects = []
+        @items.each do |item|
+            all_bidders_for_item = item.bids.keys
+
+            all_bidders_for_item.each do |bidder|
+                if !bidder_objects.include?(bidder)
+                    bidder_objects << bidder
+                end
+            end
+        end
+        bidder_objects
+    end
+
+    # i left my notes here so you could see my process for creating this method.
+    # i wrote the notes as a guide, then the test, then came back and wrote the code
+    def bidder_info
+        #start with an empty hash
+        bidder_info = {}
+
+        #get a list of all bidder objects
+        all_bidders = bidder_objects
+
+        #enumerate though all_bidders
+        all_bidders.each do |bidder|
+            #get their budget
+            budget = bidder.budget
+            #get a list of items they have bid on
+            items = []
+            @items.each do |item|
+                if item.bids.keys.include?(bidder)
+                    items << item
+                end
+            end
+            #create and add key, value pair to initial hash
+            bidder_info[bidder] = {:budget => budget, :items => items}
+        end
+        bidder_info
     end
 end

lib/item.rb

@@ -1,7 +1,29 @@
-class Items
-    attr_reader :name
+class Item
+    attr_reader :name, :bids, :closed
 
     def initialize(name)
-        @name = "Chalkware Piggy Bank"
+        @name = name
+        @bids = {}
+        @closed = false
+    end
+
+    def closed?
+        @closed
+    end
+
+    def add_bid(attendee, bid)
+        if @closed == false
+            @bids[attendee] = bid
+        end
+    end
+
+    def current_high_bid
+        @bids.max_by do |attendee, bid|
+            bid
+        end[1]
+    end
+
+    def close_bidding
+        @closed = true
     end
 end

spec/auction_spec.rb

@@ -1,11 +1,19 @@
 require './lib/item'
 require './lib/auction'
+require 'date'
 
 RSpec.describe Auction do
     before(:each) do 
         @item1 = Item.new('Chalkware Piggy Bank')
         @item2 = Item.new('Bamboo Picture Frame')
+        @item3 = Item.new('Homemade Chocolate Chip Cookies')
+        @item4 = Item.new('2 Days Dogsitting')
+        @item5 = Item.new('Forever Stamps')
+        allow(Date).to receive(:today).and_return(Date.new(2020, 02, 24))
         @auction = Auction.new
+        @attendee1 = Attendee.new({name: 'Megan', budget: '$50'})
+        @attendee2 = Attendee.new({name: 'Bob', budget: '$75'})
+        @attendee3 = Attendee.new({name: 'Mike', budget: '$100'})
     end
 
     it 'exists' do 
@@ -14,6 +22,7 @@
 
     it 'has attributes' do
         expect(@auction.items).to eq([])
+        expect(@auction.date).to eq('24/02/2020')
     end
 
     it 'add_item' do
@@ -29,4 +38,98 @@
 
         expect(@auction.item_names).to eq(["Chalkware Piggy Bank", "Bamboo Picture Frame"])
     end
+
+    describe '#unpopular_items' do
+        it 'returns all items that have no bids' do
+            @auction.add_item(@item1)
+            @auction.add_item(@item2)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+            @auction.add_item(@item5)
+            expect(@auction.unpopular_items).to eq([@item1, @item2, @item3, @item4, @item5])
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+            @item4.add_bid(@attendee3, 50)
+
+            expect(@auction.unpopular_items).to eq([@item2, @item3, @item5])
+        end
+    end
+
+    describe '#potential_revenue' do
+        it 'returns the sum of each items highest bid' do
+            @auction.add_item(@item1)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+            @item3.add_bid(@attendee2, 15)
+            @item4.add_bid(@attendee3, 50)
+
+            expect(@auction.potential_revenue).to eq(87)
+        end
+    end
+
+    describe '#bidders' do
+        it 'returns an array of all the current bidders names' do
+            @auction.add_item(@item1)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+            @item3.add_bid(@attendee2, 15)
+            @item4.add_bid(@attendee3, 50)
+
+            expect(@auction.bidders).to contain_exactly('Megan', 'Bob', 'Mike')
+        end
+    end
+
+    describe '#bidder_objects' do
+        it 'returns an array of all attendee objects that have a bid placed' do
+            @auction.add_item(@item1)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+            @item3.add_bid(@attendee2, 15)
+            @item4.add_bid(@attendee3, 50)
+
+            expect(@auction.bidder_objects).to contain_exactly(@attendee1, @attendee2, @attendee3)
+        end
+    end
+
+    describe '#bidder_info' do
+        it 'returns a nested hash of bidder information' do
+            @auction.add_item(@item1)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+            @item3.add_bid(@attendee2, 15)
+            @item4.add_bid(@attendee3, 50)
+
+            bidder_info = @auction.bidder_info
+
+            expect(bidder_info).to be_a(Hash)
+            bidder_info.each do |attendee, info|
+                expect(attendee).to be_a(Attendee)
+                expect(info).to be_a(Hash)
+
+                expect(info.keys).to contain_exactly(:budget, :items)
+                expect(info[:budget]).to eq(attendee.budget)
+                expect(info[:items]).to be_an(Array)
+
+                info[:items].each do |item|
+                    expect(item).to be_an(Item)
+                    bids = item.bids
+                    bidders = bids.keys
+                    expect(bidders.include?(attendee)).to be true
+                end
+            end
+        end
+    end
 end

spec/item_spec.rb

@@ -4,6 +4,8 @@
     before(:each) do
         @item1 = Item.new('Chalkware Piggy Bank')
         @item2 = Item.new('Bamboo Picture Frame')
+        @attendee1 = Attendee.new({name: 'Megan', budget: '$50'})
+        @attendee2 = Attendee.new({name: 'Bob', budget: '$75'})
     end
 
     it 'exists' do
@@ -13,5 +15,44 @@
     it 'has attributes' do
         expect(@item1.name).to eq("Chalkware Piggy Bank")
         expect(@item2.name).to eq("Bamboo Picture Frame")
+        expect(@item1.bids).to eq({})
+        expect(@item2.bids).to eq({})
+        expect(@item1.closed?).to be false
+        expect(@item2.closed?).to be false
+    end
+
+    describe '#add_bid' do
+        it 'adds a bid to an item from a specific person' do
+            expect(@item1.bids).to eq({})
+
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+
+            expect(@item1.bids).to eq({@attendee2=>20, @attendee1=>22})
+        end
+    end
+
+    describe '#current_high_bid' do
+        it 'returns the current highest bid for the item' do
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+
+            expect(@item1.current_high_bid).to eq(22)
+        end
+    end
+
+    describe '#close_bidding' do
+        it 'prevents future bids from being added once run' do
+            expect(@item1.closed?).to be false
+
+            @item1.add_bid(@attendee2, 20)
+            expect(@item1.bids).to eq({@attendee2=>20})
+
+            @item1.close_bidding
+            expect(@item1.closed?).to be true
+
+            @item1.add_bid(@attendee1, 22)
+            expect(@item1.bids).to eq({@attendee2=>20})
+        end
     end
 end