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

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2021-08-06 18:29:01 +02:00
# standard imports
import json
import logging
from typing import Tuple
# third-party imports
import celery
import i18n
from chainlib.hash import strip_0x
from cic_types.models.person import get_contact_data_from_vcard, generate_vcard_from_contact_data, manage_identity_data
# local imports
from cic_ussd.account.chain import Chain
from cic_ussd.account.maps import gender, language
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.error import MetadataNotFoundError
from cic_ussd.metadata import PersonMetadata
from cic_ussd.session.ussd_session import save_session_data
from cic_ussd.translation import translation_for
from sqlalchemy.orm.session import Session
logg = logging.getLogger(__file__)
def change_preferred_language(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
r_user_input = language().get(user_input)
session = SessionBase.bind_session(session)
account.preferred_language = r_user_input
session.add(account)
session.flush()
SessionBase.release_session(session)
preferences_data = {
'preferred_language': r_user_input
}
s = celery.signature(
'cic_ussd.tasks.metadata.add_preferences_metadata',
[account.blockchain_address, preferences_data],
queue='cic-ussd'
)
return s.apply_async()
def update_account_status_to_active(state_machine_data: Tuple[str, dict, Account, Session]):
"""This function sets user's account to active.
:param state_machine_data: A tuple containing user input, a ussd session and user object.
:type state_machine_data: tuple
"""
user_input, ussd_session, account, session = state_machine_data
session = SessionBase.bind_session(session=session)
account.activate_account()
session.add(account)
session.flush()
SessionBase.release_session(session=session)
def parse_gender(account: Account, user_input: str):
"""
:param account:
:type account:
:param user_input:
:type user_input:
:return:
:rtype:
"""
preferred_language = get_cached_preferred_language(account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
r_user_input = gender().get(user_input)
return translation_for(f'helpers.{r_user_input}', preferred_language)
def save_metadata_attribute_to_session_data(state_machine_data: Tuple[str, dict, Account, Session]):
"""This function saves first name data to the ussd session in the redis cache.
:param state_machine_data: A tuple containing user input, a ussd session and user object.
:type state_machine_data: tuple
"""
user_input, ussd_session, account, session = state_machine_data
session = SessionBase.bind_session(session=session)
current_state = ussd_session.get('state')
key = ''
if 'given_name' in current_state:
key = 'given_name'
if 'date_of_birth' in current_state:
key = 'date_of_birth'
if 'family_name' in current_state:
key = 'family_name'
if 'gender' in current_state:
key = 'gender'
user_input = parse_gender(account, user_input)
if 'location' in current_state:
key = 'location'
if 'products' in current_state:
key = 'products'
if ussd_session.get('data'):
data = ussd_session.get('data')
data[key] = user_input
else:
data = {
key: user_input
}
save_session_data('cic-ussd', session, data, ussd_session)
SessionBase.release_session(session)
def parse_person_metadata(account: Account, metadata: dict):
"""
:param account:
:type account:
:param metadata:
:type metadata:
:return:
:rtype:
"""
set_gender = metadata.get('gender')
given_name = metadata.get('given_name')
family_name = metadata.get('family_name')
email = metadata.get('email')
if isinstance(metadata.get('date_of_birth'), dict):
date_of_birth = metadata.get('date_of_birth')
else:
date_of_birth = {
"year": int(metadata.get('date_of_birth')[:4])
}
if isinstance(metadata.get('location'), dict):
location = metadata.get('location')
else:
location = {
"area_name": metadata.get('location')
}
if isinstance(metadata.get('products'), list):
products = metadata.get('products')
else:
products = metadata.get('products').split(',')
phone_number = account.phone_number
date_registered = int(account.created.replace().timestamp())
blockchain_address = account.blockchain_address
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chain_str = Chain.spec.__str__()
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if isinstance(metadata.get('identities'), dict):
identities = metadata.get('identities')
else:
identities = manage_identity_data(
blockchain_address=blockchain_address,
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chain_str=chain_str
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)
return {
"date_registered": date_registered,
"date_of_birth": date_of_birth,
"gender": set_gender,
"identities": identities,
"location": location,
"products": products,
"vcard": generate_vcard_from_contact_data(
email=email,
family_name=family_name,
given_name=given_name,
tel=phone_number
)
}
def save_complete_person_metadata(state_machine_data: Tuple[str, dict, Account, Session]):
"""This function persists elements of the user metadata stored in session data
:param state_machine_data: A tuple containing user input, a ussd session and user object.
:type state_machine_data: tuple
"""
user_input, ussd_session, account, session = state_machine_data
metadata = ussd_session.get('data')
person_metadata = parse_person_metadata(account, metadata)
blockchain_address = account.blockchain_address
s_create_person_metadata = celery.signature(
'cic_ussd.tasks.metadata.create_person_metadata', [blockchain_address, person_metadata], queue='cic-ussd')
s_create_person_metadata.apply_async()
def edit_user_metadata_attribute(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
blockchain_address = account.blockchain_address
identifier = bytes.fromhex(strip_0x(blockchain_address))
person_metadata = PersonMetadata(identifier)
cached_person_metadata = person_metadata.get_cached_metadata()
if not cached_person_metadata:
raise MetadataNotFoundError(f'Expected user metadata but found none in cache for key: {blockchain_address}')
person_metadata = json.loads(cached_person_metadata)
data = ussd_session.get('data')
contact_data = {}
vcard = person_metadata.get('vcard')
if vcard:
contact_data = get_contact_data_from_vcard(vcard)
person_metadata.pop('vcard')
given_name = data.get('given_name') or contact_data.get('given')
family_name = data.get('family_name') or contact_data.get('family')
date_of_birth = data.get('date_of_birth') or person_metadata.get('date_of_birth')
set_gender = data.get('gender') or person_metadata.get('gender')
location = data.get('location') or person_metadata.get('location')
products = data.get('products') or person_metadata.get('products')
if isinstance(date_of_birth, str):
year = int(date_of_birth)
person_metadata['date_of_birth'] = {'year': year}
person_metadata['gender'] = set_gender
person_metadata['given_name'] = given_name
person_metadata['family_name'] = family_name
if isinstance(location, str):
location_data = person_metadata.get('location')
location_data['area_name'] = location
person_metadata['location'] = location_data
person_metadata['products'] = products
if contact_data:
contact_data.pop('given')
contact_data.pop('family')
contact_data.pop('tel')
person_metadata = {**person_metadata, **contact_data}
parsed_person_metadata = parse_person_metadata(account, person_metadata)
s_edit_person_metadata = celery.signature(
'cic_ussd.tasks.metadata.create_person_metadata',
[blockchain_address, parsed_person_metadata]
)
s_edit_person_metadata.apply_async(queue='cic-ussd')