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Code Issues Releases Activity Actions

loan: Set the first valuation as the original principal. (#2088)

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Fix: #1645.
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Joseph Ho 2025-04-14 09:09:25 -04:00 • committed by GitHub
parent 5cb2183bdf
commit f181ba941f
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10 changed files with 59 additions and 13 deletions
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10
app/models/loan.rb
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@ -3,20 +3,24 @@ class Loan < ApplicationRecord
def monthly_payment
return nil if term_months.nil? || interest_rate.nil? || rate_type.nil? || rate_type != "fixed"
return Money.new(0, account.currency) if account.original_balance.amount.zero? || term_months.zero?
return Money.new(0, account.currency) if account.loan.original_balance.amount.zero? || term_months.zero?
annual_rate = interest_rate / 100.0
monthly_rate = annual_rate / 12.0
if monthly_rate.zero?
payment = account.original_balance.amount / term_months
payment = account.loan.original_balance.amount / term_months
else
payment = (account.original_balance.amount * monthly_rate * (1 + monthly_rate)**term_months) / ((1 + monthly_rate)**term_months - 1)
payment = (account.loan.original_balance.amount * monthly_rate * (1 + monthly_rate)**term_months) / ((1 + monthly_rate)**term_months - 1)
end
Money.new(payment.round, account.currency)
end
def original_balance
Money.new(account.first_valuation_amount, account.currency)
end
class << self
def color
"#D444F1"