Added cookies

main.py

@@ -1,7 +1,8 @@
-from bottle import template, get, run, post, request, redirect
+from bottle import template, get, run, post, request, redirect, response
 from chess import Game
 
 
+KEY = "abcdefgh"
 TEMPLATE = "template.html"
 games = dict()
 
@@ -10,17 +11,23 @@ def is_submitted(name):
 
 @get("/")
 def index():
-    game = Game()
-    id = max(list(games.keys())+[0]) + 1
-    games[id] = game
-    redirect("/game/{}/".format(id))
+    if request.get_cookie("gameid", secret=KEY) not in games.keys():
+        game = Game()
+        id = str(max(list(map(int, games.keys()))+[0]) + 1)
+        games[id] = game
+        response.set_cookie("gameid", id, path='/', secret=KEY)
+    redirect("/game/")
 
-@get("/game/<id:int>/")
-def show(id):
+@get("/game/")
+def show():
+    id = request.get_cookie("gameid", secret=KEY)
+    if id not in games:
+        redirect("/")
     return template(TEMPLATE, game=games[id], valid=True)
 
-@post("/game/<id:int>/")
-def move(id):
+@post("/game/")
+def move():
+    id = request.get_cookie("gameid", secret=KEY)
     valid = True
     if is_submitted("newgame"):
         redirect("/")