244 lines
8.0 KiB
Python
244 lines
8.0 KiB
Python
# standard imports
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import json
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import logging
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from typing import Tuple
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# third-party imports
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import celery
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from cic_types.models.person import Person, generate_metadata_pointer
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from cic_types.models.person import generate_vcard_from_contact_data, manage_identity_data
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# local imports
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from cic_ussd.chain import Chain
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from cic_ussd.db.models.account import Account
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from cic_ussd.error import MetadataNotFoundError
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from cic_ussd.metadata import blockchain_address_to_metadata_pointer
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from cic_ussd.operations import save_to_in_memory_ussd_session_data
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from cic_ussd.redis import get_cached_data
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logg = logging.getLogger(__file__)
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def change_preferred_language_to_en(state_machine_data: Tuple[str, dict, Account]):
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"""This function changes the user's preferred language to english.
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:param state_machine_data: A tuple containing user input, a ussd session and user object.
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:type state_machine_data: tuple
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"""
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user_input, ussd_session, user = state_machine_data
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user.preferred_language = 'en'
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Account.session.add(user)
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Account.session.commit()
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def change_preferred_language_to_sw(state_machine_data: Tuple[str, dict, Account]):
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"""This function changes the user's preferred language to swahili.
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:param state_machine_data: A tuple containing user input, a ussd session and user object.
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:type state_machine_data: tuple
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"""
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user_input, ussd_session, user = state_machine_data
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user.preferred_language = 'sw'
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Account.session.add(user)
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Account.session.commit()
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def update_account_status_to_active(state_machine_data: Tuple[str, dict, Account]):
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"""This function sets user's account to active.
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:param state_machine_data: A tuple containing user input, a ussd session and user object.
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:type state_machine_data: tuple
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"""
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user_input, ussd_session, user = state_machine_data
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user.activate_account()
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Account.session.add(user)
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Account.session.commit()
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def process_gender_user_input(user: Account, user_input: str):
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"""
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:param user:
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:type user:
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:param user_input:
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:type user_input:
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:return:
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:rtype:
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"""
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if user.preferred_language == 'en':
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if user_input == '1':
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gender = 'Male'
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elif user_input == '2':
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gender = 'Female'
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elif user_input == '3':
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gender = 'Other'
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else:
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if user_input == '1':
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gender = 'Mwanaume'
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elif user_input == '2':
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gender = 'Mwanamke'
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elif user_input == '3':
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gender = 'Nyingine'
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return gender
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def save_metadata_attribute_to_session_data(state_machine_data: Tuple[str, dict, Account]):
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"""This function saves first name data to the ussd session in the redis cache.
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:param state_machine_data: A tuple containing user input, a ussd session and user object.
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:type state_machine_data: tuple
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"""
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user_input, ussd_session, user = state_machine_data
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# get current menu
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current_state = ussd_session.get('state')
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# define session data key from current state
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key = ''
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if 'given_name' in current_state:
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key = 'given_name'
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if 'family_name' in current_state:
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key = 'family_name'
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if 'gender' in current_state:
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key = 'gender'
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user_input = process_gender_user_input(user=user, user_input=user_input)
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if 'location' in current_state:
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key = 'location'
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if 'products' in current_state:
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key = 'products'
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# check if there is existing session data
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if ussd_session.get('session_data'):
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session_data = ussd_session.get('session_data')
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session_data[key] = user_input
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else:
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session_data = {
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key: user_input
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}
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save_to_in_memory_ussd_session_data(queue='cic-ussd', session_data=session_data, ussd_session=ussd_session)
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def format_user_metadata(metadata: dict, user: Account):
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"""
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:param metadata:
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:type metadata:
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:param user:
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:type user:
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:return:
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:rtype:
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"""
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gender = metadata.get('gender')
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given_name = metadata.get('given_name')
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family_name = metadata.get('family_name')
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# check whether there's existing location data
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if isinstance(metadata.get('location'), dict):
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location = metadata.get('location')
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else:
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location = {
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"area_name": metadata.get('location')
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}
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# check whether it is a list
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if isinstance(metadata.get('products'), list):
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products = metadata.get('products')
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else:
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products = metadata.get('products').split(',')
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phone_number = user.phone_number
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date_registered = int(user.created.replace().timestamp())
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blockchain_address = user.blockchain_address
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chain_spec = f'{Chain.spec.common_name()}:{Chain.spec.network_id()}'
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identities = manage_identity_data(
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blockchain_address=blockchain_address,
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blockchain_type=Chain.spec.engine(),
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chain_spec=chain_spec
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)
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return {
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"date_registered": date_registered,
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"gender": gender,
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"identities": identities,
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"location": location,
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"products": products,
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"vcard": generate_vcard_from_contact_data(
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family_name=family_name,
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given_name=given_name,
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tel=phone_number
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)
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}
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def save_complete_user_metadata(state_machine_data: Tuple[str, dict, Account]):
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"""This function persists elements of the user metadata stored in session data
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:param state_machine_data: A tuple containing user input, a ussd session and user object.
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:type state_machine_data: tuple
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"""
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user_input, ussd_session, user = state_machine_data
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# get session data
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metadata = ussd_session.get('session_data')
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# format metadata appropriately
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user_metadata = format_user_metadata(metadata=metadata, user=user)
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blockchain_address = user.blockchain_address
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s_create_person_metadata = celery.signature(
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'cic_ussd.tasks.metadata.create_person_metadata',
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[blockchain_address, user_metadata]
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)
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s_create_person_metadata.apply_async(queue='cic-ussd')
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def edit_user_metadata_attribute(state_machine_data: Tuple[str, dict, Account]):
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user_input, ussd_session, user = state_machine_data
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blockchain_address = user.blockchain_address
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key = generate_metadata_pointer(
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identifier=blockchain_address_to_metadata_pointer(blockchain_address=user.blockchain_address),
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cic_type=':cic.person'
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)
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user_metadata = get_cached_data(key=key)
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if not user_metadata:
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raise MetadataNotFoundError(f'Expected user metadata but found none in cache for key: {blockchain_address}')
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given_name = ussd_session.get('session_data').get('given_name')
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family_name = ussd_session.get('session_data').get('family_name')
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gender = ussd_session.get('session_data').get('gender')
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location = ussd_session.get('session_data').get('location')
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products = ussd_session.get('session_data').get('products')
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# validate user metadata
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person = Person()
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user_metadata = json.loads(user_metadata)
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# edit specific metadata attribute
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if given_name:
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user_metadata['given_name'] = given_name
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if family_name:
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user_metadata['family_name'] = family_name
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if gender:
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user_metadata['gender'] = gender
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if location:
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# get existing location metadata:
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location_data = user_metadata.get('location')
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location_data['area_name'] = location
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user_metadata['location'] = location_data
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if products:
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user_metadata['products'] = products
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user_metadata = format_user_metadata(metadata=user_metadata, user=user)
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s_edit_person_metadata = celery.signature(
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'cic_ussd.tasks.metadata.create_person_metadata',
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[blockchain_address, user_metadata]
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)
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s_edit_person_metadata.apply_async(queue='cic-ussd')
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def get_user_metadata(state_machine_data: Tuple[str, dict, Account]):
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user_input, ussd_session, user = state_machine_data
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blockchain_address = user.blockchain_address
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s_get_user_metadata = celery.signature(
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'cic_ussd.tasks.metadata.query_person_metadata',
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[blockchain_address]
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)
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s_get_user_metadata.apply_async(queue='cic-ussd')
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