def get(self):
current_game = db.get(self.request.get("gameKey"))
scores = {}
for thing in ThingToDo.all().filter("game = ", current_game):
# App Engine question:
# I use GQL sometimes and .filter() etc sometimes. They're both
# pretty intuitive to me. Is either way faster or otherwise preferred?
allVotes = Vote.gql("WHERE thingToDo = :1", thing)
scores[thing] = 0
for vote in allVotes.fetch(limit = 1000): # 1000 is the max limit.
# App Engine question:
# is there any way to say "give me everything in the data store, I don't
# care how long it takes?" The 1000 limit scares me; what if 1001 people
# are voting on the same thing? This will just miss 1 vote, silently.
scores[thing] += vote.score
self.response.out.write("Here are the totals:")
for (thing, score) in scores.items():
self.response.out.write("<br/>" + thing.name + " - " + str(score))
def get(self):
# HTML question: ugh, to save any state I have to pass the gameKey around.
# I guess that's the nature of HTTP, though, right?
# App Engine question: could I set a cookie instead?
# App Engine question, part 2: devious Alice could easily hack into Bob's
# voting game if she knew his game key. Game keys are easy to guess.
# How can I maintain state without relying on this brittle game key?
# (also, a long alphanumeric nonsense string in the URL is ugly.)
current_game = db.get(self.request.get('gameKey'))
template_values = {
"user": users.get_current_user(),
"game": current_game,
"thingsToDo": ThingToDo.all().filter("game = ", current_game),
"message": self.request.get('message'),
"voteValues": [1,2,3,4,5],
}
# boilerplate:
path = os.path.join(os.path.dirname(__file__), 'index.html')
self.response.out.write(template.render(path, template_values))
def post(self):
# make a new ThingToDo that points to the game that it's in
thing = ThingToDo(name = self.request.get('thingName'),
game = db.get(self.request.get('gameKey')))
thing.put()
self.redirect("/main?gameKey=" + str(self.request.get('gameKey')))