def set_avatar_for(self, user_id: str, avatar_url: str,
app_avatar_url: str, app_avatar_safe_url: str) -> None:
key = RedisKeys.avatars()
cache_key = '{}-{}'.format(key, user_id)
urls = '|'.join([avatar_url, app_avatar_url, app_avatar_safe_url])
self.cache.set(cache_key, urls, ttl=THIRTY_SECONDS)
self.redis.hset(key, user_id, urls)
def get_avatar_for(self, user_id: str) -> Union[Tuple[str, str, str], None]:
key = RedisKeys.avatars()
cache_key = '{}-{}'.format(key, user_id)
value = self.cache.get(cache_key)
if value is not None:
return value.split('|', maxsplit=2)
value = self.redis.hget(key, user_id)
if value is None:
return None
value = str(value, 'utf-8')
avatar_url, app_avatar_url, app_avatar_safe_url = value.split('|', maxsplit=2)
self.cache.set(cache_key, value, ttl=THIRTY_SECONDS)
return avatar_url, app_avatar_url, app_avatar_safe_url