From b920d3daf6f2a59ab418fb9e5b43a75530e33c73 Mon Sep 17 00:00:00 2001
From: Mustafa Homsi <your-homsi6313@gmail.com>
Date: Wed, 4 Feb 2026 14:01:19 +0100
Subject: [PATCH] mustafa

---
 finance-tracker/app.js     | 17 ++++++++++++--
 finance-tracker/data.js    | 48 ++++++++++++++++++++++++++++++++++++--
 finance-tracker/finance.js | 42 +++++++++++++++++++--------------
 3 files changed, 85 insertions(+), 22 deletions(-)

diff --git a/finance-tracker/app.js b/finance-tracker/app.js
index 7cfcd07..4284802 100644
--- a/finance-tracker/app.js
+++ b/finance-tracker/app.js
@@ -1,3 +1,16 @@
-// This is the entrypoint for your application.
-// node app.js
+const { transactions } = require('./data');
+const {
+  getTotalIncome,
+  getTotalExpenses,
+  getBalance
+} = require('./finance');
 
+console.log('PERSONAL FINANCE TRACKER');
+
+const income = getTotalIncome(transactions);
+const expenses = getTotalExpenses(transactions);
+const balance = getBalance(transactions);
+
+console.log('Total Income:', income);
+console.log('Total Expenses:', expenses);
+console.log('Current Balance:', balance);
\ No newline at end of file
diff --git a/finance-tracker/data.js b/finance-tracker/data.js
index d7863ff..f128355 100644
--- a/finance-tracker/data.js
+++ b/finance-tracker/data.js
@@ -1,2 +1,46 @@
-// Place here the transaction data array. Use it in your application as needed.
-const transactions = [];
\ No newline at end of file
+const transactions = [
+  {
+    id: 1,
+    type: 'income',
+    category: 'salary',
+    amount: 3000,
+    description: 'Salary',
+    date: '2026-02-01'
+  },
+  {
+    id: 2,
+    type: 'expense',
+    category: 'housing',
+    amount: 1200,
+    description: 'Rent',
+    date: '2026-02-02'
+  },
+  {
+    id: 3,
+    type: 'expense',
+    category: 'food',
+    amount: 300,
+    description: 'Groceries',
+    date: '2026-02-03'
+  },
+  {
+    id: 4,
+    type: 'income',
+    category: 'side-income',
+    amount: 500,
+    description: 'Freelance',
+    date: '2026-02-04'
+  },
+  {
+    id: 5,
+    type: 'expense',
+    category: 'bills',
+    amount: 150,
+    description: 'Utilities',
+    date: '2026-02-05'
+  }
+];
+
+module.exports = {
+  transactions
+};
\ No newline at end of file
diff --git a/finance-tracker/finance.js b/finance-tracker/finance.js
index ac2118f..d27f314 100644
--- a/finance-tracker/finance.js
+++ b/finance-tracker/finance.js
@@ -1,27 +1,33 @@
-function addTransaction(transaction) {
-  // TODO: Implement this function
-}
+function getTotalIncome(transactions) {
+  let total = 0;
 
-function getTotalIncome() {
-  // TODO: Implement this function
-}
+  for (const transaction of transactions) {
+    if (transaction.type === 'income') {
+      total += transaction.amount;
+    }
+  }
 
-function getTotalExpenses() {
-  // TODO: Implement this function
+  return total;
 }
 
-function getBalance() {
-  // TODO: Implement this function
-}
+function getTotalExpenses(transactions) {
+  let total = 0;
+
+  for (const transaction of transactions) {
+    if (transaction.type === 'expense') {
+      total += transaction.amount;
+    }
+  }
 
-function getTransactionsByCategory(category) {
-  // TODO: Implement this function
+  return total;
 }
 
-function getLargestExpense() {
-  // TODO: Implement this function
+function getBalance(transactions) {
+  return getTotalIncome(transactions) - getTotalExpenses(transactions);
 }
 
-function printAllTransactions() {
-  // TODO: Implement this function
-}
\ No newline at end of file
+module.exports = {
+  getTotalIncome,
+  getTotalExpenses,
+  getBalance
+};
\ No newline at end of file