MohammedA

finance-tracker/.gitignore

@@ -0,0 +1 @@
+node_modules/

finance-tracker/.prettierrc

@@ -0,0 +1,6 @@
+{
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "es5",     
+    "printWidth": 80
+}

finance-tracker/app.js

@@ -1,3 +1,9 @@
 // This is the entrypoint for your application.
 // node app.js
+const chalk = require('chalk');
+const finance = require('./finance');
 
+console.log(chalk.bold.cyan('\n💰 PERSONAL FINANCE TRACKER 💰'));
+
+finance.printAllTransactions();
+finance.printSummary();

finance-tracker/data.js

@@ -1,2 +1,46 @@
 // Place here the transaction data array. Use it in your application as needed.
-const transactions = [];
+const transactions = [
+    // Array of transaction objects
+  {
+    id: 1,
+    type: 'income',
+    category: 'salary',
+    amount: 3000,
+    description: 'Monthly salary',
+    date: '2025-01-15',
+  },
+  {
+    id: 2,
+    type: 'expense',
+    category: 'housing',
+    amount: 1200,
+    description: 'Rent',
+    date: '2025-01-01',
+  },
+  {
+    id: 3,
+    type: 'expense',
+    category: 'food',
+    amount: 300,
+    description: 'Groceries',
+    date: '2025-01-10',
+  },
+  {
+    id: 4,
+    type: 'income',
+    category: 'side-income',
+    amount: 500,
+    description: 'Freelance work',
+    date: '2025-01-20',
+  },
+  {
+    id: 5,
+    type: 'expense',
+    category: 'bills',
+    amount: 150,
+    description: 'Utilities',
+    date: '2025-01-18',
+  },
+];
+
+module.exports = transactions;

finance-tracker/finance.js

@@ -1,27 +1,113 @@
+const chalk = require("chalk");
+const transactions = require("./data.js");
+
 function addTransaction(transaction) {
   // TODO: Implement this function
+  transactions.push(transaction);
 }
 
 function getTotalIncome() {
   // TODO: Implement this function
+  let totalIncome = 0;
+  for (const transaction of transactions) {
+    if (transaction.type === 'income') {
+      totalIncome += transaction.amount;
+    }
+  }
+  return totalIncome;
 }
 
 function getTotalExpenses() {
   // TODO: Implement this function
+  let totalExpenses = 0;
+  for (let i=0; i<transactions.length; i++) {
+    if (transactions[i].type === 'expense') {
+      totalExpenses += transactions[i].amount;
+    }
+  }
+  return totalExpenses;
 }
 
 function getBalance() {
   // TODO: Implement this function
+  return getTotalIncome() - getTotalExpenses();
 }
 
 function getTransactionsByCategory(category) {
   // TODO: Implement this function
+  const filteredTransactions = [];
+  for (const transaction of transactions) {
+    if (transaction.category.includes(category)) {
+      filteredTransactions.push(transaction);
+    }
+  }
+  return filteredTransactions;
 }
 
 function getLargestExpense() {
   // TODO: Implement this function
+  let largestExpense = null;
+  for (const {type, amount, description} of transactions) {
+    if (type === 'expense') {
+      if (largestExpense === null || amount > largestExpense.amount) {
+        largestExpense = {amount, description};
+      }
+    }
+  }
+      return largestExpense;
 }
 
 function printAllTransactions() {
   // TODO: Implement this function
-}
+  console.log(chalk.bold('\nAll Transactions:\n'));
+  for (let i=0; i<transactions.length; i++) {
+    const transaction = transactions[i];
+    let amount;
+    if (transaction.type === 'income') {
+      amount = chalk.green(`+ $${transaction.amount}`);
+    }
+    else {
+      amount = chalk.red(`- $${transaction.amount}`);
+    }
+    console.log(
+      `${i + 1}.[${transaction.type.toUpperCase()}]
+       ${transaction.description
+      }- ${amount}(${chalk.yellow(transaction.category)})`
+    );
+  }
+
+}
+function printSummary() {
+  const totalIncome = getTotalIncome();
+  const totalExpenses = getTotalExpenses();
+  const balance = getBalance();
+  const largestExpense = getLargestExpense();
+
+  console.log(chalk.bold('\n📊 FINANCIAL SUMMARY 📊\n'));
+
+  console.log(chalk.bold('Total Income:'), chalk.green(`€${totalIncome}`));
+  console.log(chalk.bold('Total Expenses:'), chalk.red(`€${totalExpenses}`));
+
+  const balanceColor =
+    balance >= 0 ? chalk.cyan(`€${balance}`) : chalk.red(`€${balance}`);
+
+  console.log(chalk.bold('Current Balance:'), balanceColor);
+
+  console.log(
+    chalk.bold('Largest Expense:'),
+    `${largestExpense.description} (€${largestExpense.amount})`
+  );
+
+  console.log(chalk.bold('Total Transactions:'), transactions.length);
+}
+
+module.exports = {
+  addTransaction,
+  getTotalIncome,
+  getTotalExpenses,
+  getBalance,
+  getTransactionsByCategory,
+  getLargestExpense,
+  printAllTransactions,
+  printSummary,
+};

finance-tracker/package.json

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+{
+  "name": "finance-tracker",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "chalk": "^4.1.2"
+  }
+}