Done

app/application.rb

@@ -1,6 +1,7 @@
 class Application
 
   @@items = ["Apples","Carrots","Pears"]
+  @@cart = []
 
   def call(env)
     resp = Rack::Response.new
@@ -13,6 +14,22 @@ def call(env)
     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 |item|
+          resp.write "#{item}\n"
+        end
+      end
+    elsif req.path.match(/add/)
+      item_term = req.params["item"]
+      if @@items.include?(item_term)
+        @@cart << item_term
+        resp.write("added " + item_term)
+      else
+        resp.write("We don't have that item")
+      end
     else
       resp.write "Path Not Found"
     end