def vote_cancel(self, request, *args, **kwargs):
article = self.get_object()
if not Vote.objects.filter(
voted_by=request.user,
parent_article=article,
).exists():
return response.Response(status=status.HTTP_200_OK)
vote = Vote.objects.get(
voted_by=request.user,
parent_article=article,
)
vote.delete()
article.update_vote_status()
if vote.is_positive:
pipe = redis.pipeline()
redis_key = 'articles:vote'
pipe.zadd(redis_key, {
f'{article.id}:-1:{request.user.id}:{time.time()}':
time.time()
})
pipe.execute(raise_on_error=True)
return response.Response(status=status.HTTP_200_OK)
def vote_positive(self, request, *args, **kwargs):
article = self.get_object()
if article.created_by_id == request.user.id:
return response.Response({'message': '본인 글에는 좋아요를 누를 수 없습니다.'},
status=status.HTTP_403_FORBIDDEN)
Vote.objects.update_or_create(
voted_by=request.user,
parent_article=article,
defaults={
'is_positive': True,
},
)
article.update_vote_status()
pipe = redis.pipeline()
redis_key = 'articles:vote'
pipe.zadd(
redis_key,
{f'{article.id}:1:{request.user.id}:{time.time()}': time.time()})
pipe.execute(raise_on_error=True)
return response.Response(status=status.HTTP_200_OK)
def retrieve(self, request, *args, **kwargs):
article = self.get_object()
ArticleReadLog.objects.create(
read_by=self.request.user,
article=article,
)
article.update_hit_count()
pipe = redis.pipeline()
redis_key = 'articles:hit'
pipe.zadd(redis_key, {
f'{article.id}:1:{self.request.user.id}:{time.time()}':
time.time()
})
pipe.execute(raise_on_error=True)
return super().retrieve(request, *args, **kwargs)
def delete_block_from_redis(block):
pipe = redis.pipeline()
redis_key = f'blocks:{block.blocked_by_id}'
pipe.zrem(redis_key, f'{block.user_id}')
pipe.execute(raise_on_error=True)
def add_block_to_redis(block):
pipe = redis.pipeline()
redis_key = f'blocks:{block.blocked_by_id}'
pipe.zadd(redis_key, {f'{block.user_id}': time.time()})
pipe.execute(raise_on_error=True)