cic-stack/apps/cic-ussd/cic_ussd/state_machine/logic/validator.py

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# standard imports
import logging
import re
from typing import Tuple
# third-party imports
from cic_types.models.person import generate_metadata_pointer
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# local imports
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from cic_ussd.db.models.account import Account
from cic_ussd.metadata import blockchain_address_to_metadata_pointer
from cic_ussd.redis import get_cached_data
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logg = logging.getLogger()
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def has_cached_user_metadata(state_machine_data: Tuple[str, dict, Account]):
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"""This function checks whether the attributes of the user's metadata constituting a profile are filled out.
:param state_machine_data: A tuple containing user input, a ussd session and user object.
:type state_machine_data: str
"""
user_input, ussd_session, user = state_machine_data
# check for user metadata in cache
key = generate_metadata_pointer(
identifier=blockchain_address_to_metadata_pointer(blockchain_address=user.blockchain_address),
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cic_type=':cic.person'
)
user_metadata = get_cached_data(key=key)
return user_metadata is not None
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def is_valid_name(state_machine_data: Tuple[str, dict, Account]):
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"""This function checks that a user provided name is valid
:param state_machine_data: A tuple containing user input, a ussd session and user object.
:type state_machine_data: str
"""
user_input, ussd_session, user = state_machine_data
name_matcher = "^[a-zA-Z]+$"
valid_name = re.match(name_matcher, user_input)
if valid_name:
return True
else:
return False
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def is_valid_gender_selection(state_machine_data: Tuple[str, dict, Account]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, user = state_machine_data
selection_matcher = "^[1-2]$"
if re.match(selection_matcher, user_input):
return True
else:
return False