cic-internal-integration/apps/cic-ussd/cic_ussd/state_machine/logic/tokens.py

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# standard imports
from typing import Tuple
# external imports
from sqlalchemy.orm.session import Session
# local imports
from cic_ussd.account.tokens import set_active_token
from cic_ussd.db.models.account import Account
from cic_ussd.processor.util import wait_for_session_data
from cic_ussd.session.ussd_session import save_session_data
def is_valid_token_selection(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')
account_tokens_list = session_data.get('account_tokens_list')
if not account_tokens_list:
wait_for_session_data('Account token list', session_data_key='account_tokens_list', ussd_session=ussd_session)
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if user_input not in ['00', '11', '22']:
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try:
user_input = int(user_input)
return user_input <= len(account_tokens_list)
except ValueError:
user_input = user_input.upper()
return any(token_data['symbol'] == user_input for token_data in account_tokens_list)
def process_token_selection(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
account_tokens_list = ussd_session.get('data').get('account_tokens_list')
try:
user_input = int(user_input)
selected_token = account_tokens_list[user_input-1]
except ValueError:
user_input = user_input.upper()
selected_token = next(token_data for token_data in account_tokens_list if token_data['symbol'] == user_input)
data = {
'selected_token': selected_token
}
save_session_data(queue='cic-ussd', session=session, data=data, ussd_session=ussd_session)
def set_selected_active_token(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
wait_for_session_data(resource_name='Selected token', session_data_key='selected_token', ussd_session=ussd_session)
selected_token = ussd_session.get('data').get('selected_token')
token_symbol = selected_token.get('symbol')
set_active_token(blockchain_address=account.blockchain_address, token_symbol=token_symbol)