def save(self, *args, **kwargs):
"""
If new answer, add answer to the zcard with a score of 0
"""
create_key = False
if not self.pk:
create_key = True
super(Answer, self).save(*args, **kwargs)
if create_key:
red = get_redis_connection()
red.zadd(self.question.redis_key, 0, self.pk)
def save(self, *args, **kwargs):
"""
If new answer, add answer to the zcard with a score of 0
"""
create_key = False
if not self.pk:
create_key = True
super(Answer, self).save(*args, **kwargs)
if create_key:
red = get_redis_connection()
red.zadd(self.question.redis_key, 0, self.pk)
def get_context_data(self, **kwargs):
"""
Get answer rankings from Redis and return a sorted list of
answers in the context.
"""
context = super(QuestionDetailView, self).get_context_data(**kwargs)
obj = self.get_object()
red = get_redis_connection()
ranked_pk_list = red.zrevrange(obj.redis_key, 0, -1)
if not ranked_pk_list:
return context
answers = Answer.objects.in_bulk(ranked_pk_list)
context.update({"ranked_answers": [
answers[int(rank)] for rank in ranked_pk_list]})
return context
def score(self):
"""
Return the answer's score from Redis
"""
red = get_redis_connection()
return red.zscore(self.question.redis_key, self.pk)
def upvote(self):
"""
Increment the answers score by 1
"""
red = get_redis_connection()
return red.zincrby(self.question.redis_key, self.pk, 1)
def score(self):
"""
Return the answer's score from Redis
"""
red = get_redis_connection()
return red.zscore(self.question.redis_key, self.pk)
def upvote(self):
"""
Increment the answers score by 1
"""
red = get_redis_connection()
return red.zincrby(self.question.redis_key, self.pk, 1)
