Danielle Cardona

lib/item.rb

@@ -1,3 +1,11 @@
 class Item
+
+    attr_reader :name,
+                :price
+
+    def initialize(attributes)
+        @name = attributes[:name]
+        @price = attributes[:price]
+    end
 
 end

lib/market.rb

@@ -1,3 +1,80 @@
 class Market
-
+require 'date'
+
+    attr_reader :name,
+                :date
+
+    attr_accessor :vendors
+
+    def initialize(name)
+        @name = name
+        @vendors = []
+        @date = Date.today.strftime('%Y/%m/%d')
+    end
+
+    def add_vendor(vendor_object)
+        @vendors << vendor_object
+    end
+
+    def vendor_names
+        @vendors.map do |vendor|
+            vendor.name
+        end
+    end
+
+    def vendors_that_sell(item)
+        @vendors.select do |vendor|
+            vendor.check_stock(item) > 0 
+        end
+    end
+
+    def sorted_item_list
+        all_items = @vendors.flat_map do |vendor|
+            vendor.inventory.keys
+        end
+
+        all_items.uniq.sort_by do |item| 
+            item.name 
+        end
+    end
+
+    def total_inventory
+        total_inventory = {}
+
+        @vendors.each do |vendor|
+            vendor.inventory.each do |item, quantity|
+
+                if total_inventory[item]
+                    total_inventory[item][:quantity] += quantity
+                    total_inventory[item][:vendors] << vendor unless total_inventory[item][:vendors].include?(vendor)
+                else
+                    total_inventory[item] = {
+                        quantity: quantity,
+                        vendors: [vendor]
+                    }
+                end
+            end
+        end
+        total_inventory
+    end
+
+    def overstocked_items
+        overstocked_items = []
+
+        total_inventory.each do |item, info|
+            if info[:quantity] > 50 && info[:vendors].length > 1
+                overstocked_items << item 
+            end
+        end
+        overstocked_items
+    end
+
+    def sell(item, quantity)
+        if total_inventory[item] && total_inventory[item][:quantity] >= quantity
+            total_inventory[item][:quantity] -= quantity 
+            true
+        else
+            false
+        end
+    end
 end

lib/vendor.rb

@@ -1,3 +1,24 @@
 class Vendor
-
+
+    attr_reader :name,
+                :inventory
+
+    def initialize(name)
+        @name = name
+        @inventory = Hash.new(0)
+    end
+
+    def check_stock(item)
+        @inventory[item]
+    end
+
+    def stock(item, amount = 0)
+        @inventory[item] += amount 
+    end
+
+    def potential_revenue
+        @inventory.sum do |item, quantity| 
+            item.price.delete('$').to_f * quantity 
+        end
+    end
 end

spec/item_spec.rb

@@ -0,0 +1,18 @@
+require './lib/item' 
+
+RSpec.describe Item do
+    before(:each) do
+        @item1 = Item.new({name: 'Peach', price: "$0.75"})
+    end
+
+    describe '#initialze' do
+        it "exists" do
+            expect(@item1).to be_instance_of(Item)
+        end
+
+        it 'has a name and a price' do
+            expect(@item1.name).to eq("Peach")
+            expect(@item1.price).to eq("$0.75")
+        end
+    end
+end

spec/market_spec.rb

@@ -0,0 +1,117 @@
+require './lib/item'
+require './lib/vendor' 
+require './lib/market'
+
+RSpec.describe Market do
+    before(:each) do
+        @vendor1 = Vendor.new("Rocky Mountain Fresh")
+        @vendor2 = Vendor.new("Ba-Nom-a-Nom")
+        @vendor3 = Vendor.new("Palisade Peach Shack")
+        @vendor4 = Vendor.new("Choco Monster")
+        @item1 = Item.new({name: 'Peach', price: "$0.75"})
+        @item2 = Item.new({name: 'Tomato', price: "$0.50"})
+        @item3 = Item.new({name: 'Peach-Raspberry Nice Cream', price: "$5.30"})
+        @item4 = Item.new({name: 'Banana Nice Cream', price: "$4.25"})
+        @market = Market.new("South Pearl Street Farmers Market")
+    end
+
+    describe '#initialize' do
+        it "exists" do
+            expect(@market).to be_instance_of(Market)
+        end
+
+        it 'has a name' do
+            expect(@market.name).to eq("South Pearl Street Farmers Market")
+        end
+
+        it 'has a date' do
+            expect(@market.date).to eq("2024/09/16")
+        end
+
+        it 'starts with an empty array of vendors' do
+            expect(@market.vendors).to eq([])
+        end
+    end
+
+    describe '#vendors' do
+        before(:each) do 
+            @market.add_vendor(@vendor1)
+            @market.add_vendor(@vendor2)
+            @market.add_vendor(@vendor3)
+        end
+
+        it 'can add vendors' do
+            expect(@market.vendors).to eq([@vendor1, @vendor2, @vendor3])
+        end
+
+        it 'stores vendor names in an array' do
+            expect(@market.vendor_names).to eq(["Rocky Mountain Fresh", "Ba-Nom-a-Nom", "Palisade Peach Shack"])
+        end
+    end
+
+    describe '#stock' do
+        before(:each) do
+            @market.add_vendor(@vendor1)
+            @market.add_vendor(@vendor2)
+            @market.add_vendor(@vendor3)
+            @vendor1.stock(@item1, 35)
+            @vendor1.stock(@item2, 7)
+            @vendor2.stock(@item4, 50)
+            @vendor2.stock(@item3, 25)
+            @vendor3.stock(@item1, 65)
+        end
+
+        it 'identifies vendors that sell items' do
+            expect(@market.vendors_that_sell(@item1)).to eq([@vendor1, @vendor3])
+            expect(@market.vendors_that_sell(@item2)).to eq([@vendor1])
+            expect(@market.vendors_that_sell(@item3)).to eq([@vendor2])
+            expect(@market.vendors_that_sell(@item4)).to eq([@vendor2])
+        end
+
+        it 'identifies all items in stock, sorted alphabetically' do
+            expect(@market.sorted_item_list).to eq([@item4, @item1, @item3, @item2])
+        end
+
+        it 'reports total inventory' do
+            expected = {
+                @item1 => { quantity: 100, vendors: [@vendor1, @vendor3] },
+                @item2 => { quantity: 7, vendors: [@vendor1] },
+                @item3 => { quantity: 25, vendors: [@vendor2] },
+                @item4 => { quantity: 50, vendors: [@vendor2] },
+            }
+
+            expect(@market.total_inventory).to eq(expected)
+        end
+
+        it 'updates when new items are added' do
+            @market.add_vendor(@vendor4)
+            @item5 = Item.new({name: 'Chocolate Almond Butter', price: "$6.25"})
+            @vendor4.stock(@item5, 14)
+
+            expected = {
+                @item1 => { quantity: 100, vendors: [@vendor1, @vendor3] },
+                @item2 => { quantity: 7, vendors: [@vendor1] },
+                @item3 => { quantity: 25, vendors: [@vendor2] },
+                @item4 => { quantity: 50, vendors: [@vendor2] },
+                @item5 => { quantity: 14, vendors: [@vendor4] }
+            }
+        end
+
+        it 'identifies overstocked items' do
+            expect(@market.overstocked_items).to eq([@item1])
+        end
+
+        it 'identifies more overstocked items as appropriate' do
+            @vendor1.stock(@item4, 75)
+
+            expect(@market.overstocked_items).to eq([@item1, @item4])
+        end
+
+        it 'indicates if it has insufficient stock' do
+            expect(@market.sell(@item2, 10)).to eq(false)
+            expect(@market.sell(@item1, 10)).to eq(true)
+        end
+
+    end
+end
+

spec/vendor_spec.rb

@@ -0,0 +1,76 @@
+require './lib/item'
+require './lib/vendor' 
+
+RSpec.describe Vendor do
+    before(:each) do
+        @vendor = Vendor.new("Rocky Mountain Fresh")
+        @item1 = Item.new({name: 'Peach', price: "$0.75"})
+        @item2 = Item.new({name: 'Tomato', price: "$0.50"})
+    end
+
+    describe '#initialze' do
+        it "exists" do
+            expect(@vendor).to be_instance_of(Vendor)
+        end
+
+        it 'has a name' do
+            expect(@vendor.name).to eq("Rocky Mountain Fresh")
+        end
+    end
+
+    describe '#stock' do
+        it 'starts with an empty inventory hash' do
+            expect(@vendor.inventory).to eq({})
+        end
+
+        it 'checks inventory stock' do
+            expect(@vendor.check_stock(@item1)).to eq(0)
+        end
+
+        it 'adds inventory' do
+            @vendor.stock(@item1, 30)
+
+            expect(@vendor.check_stock(@item1)).to eq(30)
+        end
+
+        it 'adds more inventory' do
+            @vendor.stock(@item1, 30)
+            @vendor.stock(@item1, 25)
+            @vendor.stock(@item2, 12)
+
+            expect(@vendor.check_stock(@item1)).to eq(55)
+            expect(@vendor.check_stock(@item2)).to eq(12)
+        end
+
+        it 'identifies items and amounts in inventory' do
+            @vendor.stock(@item1, 30)
+            @vendor.stock(@item1, 25)
+            @vendor.stock(@item2, 12)
+
+            expect(@vendor.inventory).to eq({@item1 => 55, @item2 => 12})
+        end
+    end
+
+    describe '#revenue' do
+        before(:each) do
+            @vendor1 = Vendor.new("Rocky Mountain Fresh")
+            @vendor2 = Vendor.new("Ba-Nom-a-Nom")
+            @vendor3 = Vendor.new("Palisade Peach Shack")
+            @item3 = Item.new({name: 'Peach-Raspberry Nice Cream', price: "$5.30"})
+            @item4 = Item.new({name: 'Banana Nice Cream', price: "$4.25"})
+
+            @vendor1.stock(@item1, 35)
+            @vendor1.stock(@item2, 7)
+            @vendor2.stock(@item4, 50)
+            @vendor2.stock(@item3, 25)
+            @vendor3.stock(@item1, 65)
+        end
+
+        it 'calculates each vendors potential revenue' do
+            expect(@vendor1.potential_revenue).to eq(29.75)
+            expect(@vendor2.potential_revenue).to eq(345.00)
+            expect(@vendor3.potential_revenue).to eq(48.75)
+        end
+    end
+end
+