From 8ec88135f4858f99be362157efd4ec65162a3698 Mon Sep 17 00:00:00 2001
From: zzhhaa <zzhhaa@protonmail.com>
Date: Tue, 15 Oct 2024 17:49:30 +0100
Subject: [PATCH] feat: add totalInterest prop to Mortgage class

---
 app/models/Mortgage.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/models/Mortgage.ts b/app/models/Mortgage.ts
index 63e7e4db..17bc9bb9 100644
--- a/app/models/Mortgage.ts
+++ b/app/models/Mortgage.ts
@@ -35,6 +35,7 @@ export class Mortgage {
   monthlyPayment: number;
   totalMortgageCost: number;
   yearlyPaymentBreakdown: MortgageBreakdown;
+  totalInterest: number;
 
   constructor(params: MortgageParams) {
     this.propertyValue = params.propertyValue;
@@ -51,6 +52,7 @@ export class Mortgage {
     this.totalMortgageCost = totalMortgageCost;
 
     this.yearlyPaymentBreakdown = this.calculateYearlyPaymentBreakdown();
+    this.totalInterest = this.calculateTotalInterest();
   }
 
   private calculateMortgagePrinciple() {
@@ -110,4 +112,9 @@ export class Mortgage {
 
     return yearlyPaymentBreakdown;
   }
+  private calculateTotalInterest() {
+    const totalInterest = parseFloat((this.principal * this.interestRate * this.termYears).toFixed(2))
+    console.log("Total interest: ", totalInterest)
+    return totalInterest
+  }
 }