import logging
from src.data_interface.cache import Cache
[docs]class Tracker(object):
def __init__(self):
self.cache = Cache()
[docs] def store_item_viewed(self, key, item):
""" Store item viewed in cache
Args:
key (str): cache key
item (str): value
Returns:
"""
logging.debug("tracking item {item} viewed for key {key}"
.format(key=key, item=item))
return self.cache.append(key, item)
[docs] def get_views_history(self, key, n=-1):
history = self.cache.get(key, start=0, end=n)
history = map(int, history)
history_set = set(history)
logging.debug("Got {set} for key {key}"
.format(set=history_set, key=key))
return history_set