cic-internal-integration/apps/cic-ussd/cic_ussd/state_machine/logic/pin_guard.py
2021-12-29 17:17:13 +03:00

220 lines
8.5 KiB
Python

# standard imports
import logging
from typing import Tuple
# external imports
import celery
import i18n
from phonenumbers.phonenumberutil import NumberParseException
from sqlalchemy.orm.session import Session
# local imports
from cic_ussd.account.guardianship import Guardianship
from cic_ussd.account.metadata import get_cached_preferred_language
from cic_ussd.db.models.account import Account
from cic_ussd.db.models.base import SessionBase
from cic_ussd.notifications import Notifier
from cic_ussd.phone_number import process_phone_number, E164Format
from cic_ussd.session.ussd_session import save_session_data
from cic_ussd.translation import translation_for
logg = logging.getLogger(__file__)
def save_guardian_to_session_data(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
session_data = ussd_session.get('data') or {}
guardian_phone_number = process_phone_number(phone_number=user_input, region=E164Format.region)
session_data['guardian_phone_number'] = guardian_phone_number
save_session_data('cic-ussd', session, session_data, ussd_session)
def save_guarded_account_session_data(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
session_data = ussd_session.get('data') or {}
guarded_account_phone_number = process_phone_number(phone_number=user_input, region=E164Format.region)
session_data['guarded_account_phone_number'] = guarded_account_phone_number
save_session_data('cic-ussd', session, session_data, ussd_session)
def retrieve_person_metadata(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
guardian_phone_number = process_phone_number(user_input, E164Format.region)
guardian = Account.get_by_phone_number(guardian_phone_number, session)
blockchain_address = guardian.blockchain_address
s_query_person_metadata = celery.signature(
'cic_ussd.tasks.metadata.query_person_metadata', [blockchain_address], queue='cic-ussd')
s_query_person_metadata.apply_async()
def is_valid_guardian_addition(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
try:
phone_number = process_phone_number(user_input, E164Format.region)
except NumberParseException:
phone_number = None
preferred_language = get_cached_preferred_language(account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
is_valid_account = Account.get_by_phone_number(phone_number, session) is not None
guardianship = Guardianship()
is_system_guardian = guardianship.is_system_guardian(phone_number)
is_initiator = phone_number == account.phone_number
is_existent_guardian = phone_number in account.get_guardians()
failure_reason = ''
if not is_valid_account:
failure_reason = translation_for('helpers.error.no_matching_account', preferred_language)
if is_initiator:
failure_reason = translation_for('helpers.error.is_initiator', preferred_language)
if is_existent_guardian:
failure_reason = translation_for('helpers.error.is_existent_guardian', preferred_language)
if failure_reason:
session_data = ussd_session.get('data') or {}
session_data['failure_reason'] = failure_reason
save_session_data('cic-ussd', session, session_data, ussd_session)
return phone_number is not None and is_valid_account and not is_existent_guardian and not is_initiator and not is_system_guardian
def add_pin_guardian(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
guardian_phone_number = ussd_session.get('data').get('guardian_phone_number')
account.add_guardian(guardian_phone_number)
session.add(account)
session.flush()
SessionBase.release_session(session=session)
def is_set_pin_guardian(account: Account, checked_number: str, preferred_language: str, session: Session, ussd_session: dict):
""""""
failure_reason = ''
set_guardians = []
if account:
set_guardians = account.get_guardians()
else:
failure_reason = translation_for('helpers.error.no_matching_account', preferred_language)
is_set_guardian = checked_number in set_guardians
is_initiator = checked_number == account.phone_number
guardianship = Guardianship()
is_system_guardian = guardianship.is_system_guardian(checked_number)
if not is_set_guardian:
failure_reason = translation_for('helpers.error.is_not_existent_guardian', preferred_language)
if is_initiator:
failure_reason = translation_for('helpers.error.is_initiator', preferred_language)
if failure_reason:
session_data = ussd_session.get('data') or {}
session_data['failure_reason'] = failure_reason
save_session_data('cic-ussd', session, session_data, ussd_session)
return (is_set_guardian or is_system_guardian) and not is_initiator
def is_dialers_pin_guardian(state_machine_data: Tuple[str, dict, Account, Session]):
user_input, ussd_session, account, session = state_machine_data
phone_number = process_phone_number(phone_number=user_input, region=E164Format.region)
preferred_language = get_cached_preferred_language(account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
return is_set_pin_guardian(account, phone_number, preferred_language, session, ussd_session)
def is_others_pin_guardian(state_machine_data: Tuple[str, dict, Account, Session]):
user_input, ussd_session, account, session = state_machine_data
preferred_language = get_cached_preferred_language(account.blockchain_address)
phone_number = process_phone_number(phone_number=user_input, region=E164Format.region)
guarded_account = Account.get_by_phone_number(phone_number, session)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
return is_set_pin_guardian(guarded_account, account.phone_number, preferred_language, session, ussd_session)
def remove_pin_guardian(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
guardian_phone_number = ussd_session.get('data').get('guardian_phone_number')
account.remove_guardian(guardian_phone_number)
session.add(account)
session.flush()
SessionBase.release_session(session=session)
def initiate_pin_reset(state_machine_data: Tuple[str, dict, Account, Session]):
"""
:param state_machine_data:
:type state_machine_data:
:return:
:rtype:
"""
user_input, ussd_session, account, session = state_machine_data
session_data = ussd_session.get('data')
quorum_count = session_data['quorum_count'] if session_data.get('quorum_count') else 0
quorum_count += 1
session_data['quorum_count'] = quorum_count
save_session_data('cic-ussd', session, session_data, ussd_session)
guarded_account_phone_number = session_data.get('guarded_account_phone_number')
guarded_account = Account.get_by_phone_number(guarded_account_phone_number, session)
if quorum_count >= guarded_account.guardian_quora:
guarded_account.reset_pin(session)
logg.debug(f'Reset initiated for: {guarded_account.phone_number}')
session_data['quorum_count'] = 0
save_session_data('cic-ussd', session, session_data, ussd_session)
preferred_language = get_cached_preferred_language(guarded_account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
notifier = Notifier()
notifier.send_sms_notification(
key='sms.pin_reset_initiated',
phone_number=guarded_account.phone_number,
preferred_language=preferred_language,
pin_initiator=account.standard_metadata_id())