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Refactors cache to use versatile identifier values with multiple salts.

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This commit is contained in:
PhilipWafula 2021-11-22 13:21:29 +03:00
parent 8e365ea586
commit b18bb959a5
Signed by untrusted user: mango-habanero
GPG Key ID: B00CE9034DA19FB7
1 changed files with 8 additions and 3 deletions
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11
apps/cic-ussd/cic_ussd/cache.py
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@ -1,12 +1,13 @@
# standard imports # standard imports
import hashlib import hashlib
import logging import logging
from typing import Union
# external imports # external imports
from cic_types.condiments import MetadataPointer from cic_types.condiments import MetadataPointer
from redis import Redis from redis import Redis
logg = logging.getLogger() logg = logging.getLogger(__file__)
class Cache: class Cache:
@ -39,7 +40,7 @@ def get_cached_data(key: str):
return cache.get(name=key) return cache.get(name=key)
def cache_data_key(identifier: bytes, salt: MetadataPointer): def cache_data_key(identifier: Union[list, bytes], salt: MetadataPointer):
""" """
:param identifier: :param identifier:
:type identifier: :type identifier:
@ -49,6 +50,10 @@ def cache_data_key(identifier: bytes, salt: MetadataPointer):
:rtype: :rtype:
""" """
hash_object = hashlib.new("sha256") hash_object = hashlib.new("sha256")
hash_object.update(identifier) if isinstance(identifier, list):
for identity in identifier:
hash_object.update(identity)
else:
hash_object.update(identifier)
hash_object.update(salt.value.encode(encoding="utf-8")) hash_object.update(salt.value.encode(encoding="utf-8"))
return hash_object.digest().hex() return hash_object.digest().hex()