def _delete_progress(pigeon_key, card_key):
progress_list = Progress.query(Progress.pigeon_key == pigeon_key,
Progress.card_key == card_key).fetch()
if progress_list:
progress = progress_list[0]
progress.key.delete()
return
else:
return
def get_learn_factor(user_id, house_name, card_key_str):
pigeon_key = ndb.Key(Pigeon, user_id)
house_list = House.query(House.name == house_name).fetch()
house_key = house_list[0].key
card_key = ndb.Key(Card, card_key_str, parent=house_key)
progress_list = Progress.query(Progress.pigeon_key == pigeon_key,
Progress.card_key == card_key).fetch()
if progress_list:
return progress_list[0].learn_factor
else:
_initailize_progress(pigeon_key, card_key)
return 1
def set_learn_factor(user_id, house_name, card_key_str, learn_factor):
pigeon_key = ndb.Key(Pigeon, user_id)
house_list = House.query(House.name == house_name).fetch()
house_key = house_list[0].key
card_key = ndb.Key(Card, card_key_str, parent=house_key)
progress_list = Progress.query(Progress.pigeon_key == pigeon_key,
Progress.card_key == card_key).fetch()
if progress_list:
progress = progress_list[0]
progress.learn_factor = learn_factor
progress.put()
return
else:
return
