From 509df534d12ddece6c2566d422db4d8db037717d Mon Sep 17 00:00:00 2001
From: noahspannbauer <noahspannbauer@icloud.com>
Date: Fri, 18 Oct 2024 18:29:24 +0000
Subject: [PATCH] updating bank app

---
 bank/bank.go | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/bank/bank.go b/bank/bank.go
index e199a26..fa0b5c8 100644
--- a/bank/bank.go
+++ b/bank/bank.go
@@ -1,9 +1,30 @@
 package main
 
 import "fmt"
+import "os"
+import "strconv"
+
+const accountBalanceFile = "balance.txt"
+
+func getBalanceFromFile() float64 {
+	data, err := os.ReadFile(accountBalanceFile, )
+
+	if err != nil {
+
+	}
+	
+	balanceText := string(data)
+	balance, _ :=strconv.ParseFloat(balanceText, 64)
+	return balance
+}
+
+func writeBalanceToFile(balance float64) {
+	balanceText := fmt.Sprint(balance)
+	os.WriteFile(accountBalanceFile, []byte(balanceText), 0644)
+}
 
 func main() {
-	var accountBalance = 1000.0
+	var accountBalance = getBalanceFromFile()
 
 	fmt.Println("Welcome to Go Bank!")
 
@@ -33,6 +54,7 @@ func main() {
 
 			accountBalance += accountBalance
 			fmt.Println("Balance updated! New amount:", accountBalance)
+			writeBalanceToFile(accountBalance)
 		case 3:
 			fmt.Print("Your withdrawal")
 			var withdrawalAmount float64
@@ -50,6 +72,7 @@ func main() {
 
 			accountBalance -= withdrawalAmount
 			fmt.Println("Balance updated! New amount:", accountBalance)
+			writeBalanceToFile(accountBalance)
 		default:
 			fmt.Println("Goodbye!")
 			fmt.Println("Thanks for choosing our bank")