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Adds user exist restriction to fill/free slots and update comments/docs

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This commit is contained in:
Sergi Delgado Segura
2020-03-27 17:26:35 +01:00
parent ae68cd33da
commit 6547e75a19
1 changed files with 10 additions and 3 deletions
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11
teos/gatekeeper.py
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@@ -3,7 +3,6 @@ import re
from common.cryptographer import Cryptographer from common.cryptographer import Cryptographer
# TODO: UNITTEST
class NotEnoughSlots(ValueError): class NotEnoughSlots(ValueError):
"""Raise this when trying to subtract more slots than a user has available.""" """Raise this when trying to subtract more slots than a user has available."""
@@ -103,12 +102,16 @@ class Gatekeeper:
Args: Args:
user_pk(:obj:`str`): the public key that identifies the user (33-bytes hex str). user_pk(:obj:`str`): the public key that identifies the user (33-bytes hex str).
n: the number of slots to fill. n: the number of slots to fill.
n (:obj:`int`): the number of slots to fill.
Raises: Raises:
:obj:`<teos.gatekeeper.NotEnoughSlots>`: if the user subscription does not have enough slots. :obj:`<teos.gatekeeper.NotEnoughSlots>`: if the user subscription does not have enough slots.
""" """
if n <= self.registered_users.get(user_pk): # We are not making sure the value passed is a integer, but the value is computed by the API and rounded before
# passing it to the gatekeeper.
# DISCUSS: we may want to return a different exception if teh user does not exist
if user_pk in self.registered_users and n <= self.registered_users.get(user_pk):
self.registered_users[user_pk] -= n self.registered_users[user_pk] -= n
else: else:
raise NotEnoughSlots(user_pk, n) raise NotEnoughSlots(user_pk, n)
@@ -122,4 +125,8 @@ class Gatekeeper:
n: the number of slots to free. n: the number of slots to free.
""" """
# We are not making sure the value passed is a integer, but the value is computed by the API and rounded before
# passing it to the gatekeeper.
# DISCUSS: if the user does not exist we may want to log or return an exception.
if user_pk in self.registered_users:
self.registered_users[user_pk] += n self.registered_users[user_pk] += n