Done

app/application.rb

@@ -1,6 +1,7 @@
 class Application
 
   @@items = ["Apples","Carrots","Pears"]
+  @@cart = [ ]
 
   def call(env)
     resp = Rack::Response.new
@@ -10,9 +11,29 @@ def call(env)
       @@items.each do |item|
         resp.write "#{item}\n"
       end
+
     elsif req.path.match(/search/)
       search_term = req.params["q"]
       resp.write handle_search(search_term)
+
+    elsif req.path.match(/cart/)
+      if @@cart.empty?
+        resp.write "Your cart is empty"
+      else 
+        @@cart.each do |i|
+          resp.write "#{i}\n"
+        end
+      end
+
+    elsif req.path.match(/add/)
+      add_item = req.params["item"]
+      if @@items.include?(add_item)
+        @@cart << add_item
+        resp.write "added #{add_item}"
+      else
+        resp.write "We don't have that item"
+      end
+
     else
       resp.write "Path Not Found"
     end
@@ -27,4 +48,5 @@ def handle_search(search_term)
       return "Couldn't find #{search_term}"
     end
   end
+
 end

config/environment.rb

@@ -2,3 +2,4 @@
 Bundler.require
 
 require_relative '../app/application'
+