def on_post(self):
try:
cid = self.get_argument("cid", None)
answers = self.get_argument("answers", None)
if answers:
answers = tornado.escape.json_decode(answers)
answers = [float(answer) for answer in answers]
clip = HazardPerceptionClip.objects(id=cid).get()
correct_answers = clip.hazards
score = 0
hits = 0
for a in answers:
for ca in correct_answers:
lower_limit = ca.start
upper_limit = ca.end
if lower_limit <= a <= upper_limit :
hits += 1
#Simple linear interpolation to get the score. The sooner u spot the hazard the more the points
points = 5 * (1 - (a - lower_limit) / (upper_limit-lower_limit))
score+= int(math.ceil(points))
correct_answers.remove(ca)
return (cid, score, clip.solution_clip_name, len(answers), hits)
except Exception, e:
self.log.warning(str(e))
def on_get(self):
try:
cid = self.get_argument("cid", None)
hpc = HazardPerceptionClip.objects(id=cid).get()
self.base_render("learn/learn-clip.html", cid=cid, path= hpc.base_dir + hpc.clip_name)
except Exception, e:
self.log.warning("Error while rendering clip page: " + str(e))