def post(self):
thing = db.get(self.request.get("thingToDoKey"))
query = Vote.gql("WHERE user = :1 AND thingToDo = :2",
users.get_current_user(), thing)
if (query.get()):
# this user already voted on this thing; display an error
# App Engine question:
# Any way to do this validation client-side?
self.redirect("/main?gameKey=" + str(self.request.get('gameKey')) +
"&message=You've already voted on " + thing.name + ".")
return
try:
score = int(self.request.get("score"))
if (score < 1 or score > 5):
raise ValueError, "Vote must be between 1 and 5"
# if it can't parse your vote, it will also raise ValueError
except ValueError:
self.redirect("/main?gameKey=" + str(self.request.get('gameKey')) +
"&message=Vote must be between 1 and 5")
return
vote = Vote(user = users.get_current_user(), thingToDo = thing,
score = score)
vote.put()
message = "Recorded your vote of " + str(score) + " for " + thing.name
self.redirect("/main?gameKey=" + str(self.request.get('gameKey')) +
"&message=" + message)
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))