def __find_monthly_payment(self, loan: Loan, monthly_saving):
tax = self.__get_tax_percentages(loan.person_score)
desired_terms_payment = self.__calculate_pmt(loan.amount, loan.terms,
tax[str(loan.terms)])
if desired_terms_payment > monthly_saving:
del tax[str(loan.terms)]
for key in tax:
terms = int(key)
other_term_payment = self.__calculate_pmt(
loan.amount, terms, tax[key])
if other_term_payment < monthly_saving:
loan.terms = terms
return
raise PolicyException('commitment')
def __deny_loan(self, loan: Loan, policy):
loan.refused_policy = policy
loan.terms = None
loan.result = 'refused'
loan.status = 'completed'
loan.amount = None