def push_tweet_to_cache(cls, tweet):
queryset = Tweet.objects.filter(
user_id=tweet.user_id).order_by('-created_at')
key = USER_TWEETS_PATTERN.format(user_id=tweet.user_id)
RedisHelper.push_object(key, tweet, queryset)
def push_newsfeed_to_cache(cls, newsfeed):
queryset = NewsFeed.objects.filter(user_id=newsfeed.user_id).order_by('-created_at')
key = USER_NEWSFEEDS_PATTERN.format(user_id=newsfeed.user_id)
RedisHelper.push_object(key, newsfeed, queryset)
def push_tweet_to_cache(cls, tweet):
# Queryset is lazy loading
# 此时并没有进行数据库的访问，只有需要进行iteration的时候才会真正查询数据库
queryset = Tweet.objects.filter(user_id=tweet.user_id).order_by('-created_at')
key = USER_TWEETS_PATTERN.format(user_id=tweet.user_id)
RedisHelper.push_object(key, tweet, queryset)
def push_tweet_to_cache(cls, tweet):
key = USER_TWEETS_PATTERN.format(user_id=tweet.user_id)
RedisHelper.push_object(key, tweet, lazy_load_tweets(tweet.user_id))
def push_newsfeed_to_cache(cls, newsfeed):
key = USER_NEWSFEEDS_PATTERN.format(user_id=newsfeed.user_id)
RedisHelper.push_object(key, newsfeed,
lazy_load_newsfeeds(newsfeed.user_id))