MunaNaher_c55-core-week-4

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "es5"
+}

finance-tracker/finance.js

@@ -1,27 +1,153 @@
+
+
+const chalk = require('chalk');
+
+
+let transactions = [
+  {
+    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: '2025-01-16',
+  },
+  {
+    id: 3,
+    type: 'expense',
+    category: 'food',
+    amount: 300,
+    description: 'Groceries',
+    date: '2025-01-17',
+  },
+  {
+    id: 4,
+    type: 'income',
+    category: 'side-income',
+    amount: 500,
+    description: 'Freelance project',
+    date: '2025-01-20',
+  },
+  {
+    id: 5,
+    type: 'expense',
+    category: 'bills',
+    amount: 150,
+    description: 'Utilities',
+    date: '2025-01-22',
+  },
+];
+
+
+// Add a new transaction 
 function addTransaction(transaction) {
-  // TODO: Implement this function
+  transactions = [...transactions, transaction];
+  console.log(chalk.green(`Transaction added: ${transaction.description} (€${transaction.amount})`));
 }
 
+// Calculate total income
 function getTotalIncome() {
-  // TODO: Implement this function
+  let total = 0;
+  for (const tx of transactions) {
+    if (tx.type === 'income') total += tx.amount;
+  }
+  return total;
 }
 
+// Calculate total expenses
 function getTotalExpenses() {
-  // TODO: Implement this function
+  let total = 0;
+  for (const tx of transactions) {
+    if (tx.type === 'expense') total += tx.amount;
+  }
+  return total;
 }
 
+// Get current balance
 function getBalance() {
-  // TODO: Implement this function
+  const balance = getTotalIncome() - getTotalExpenses();
+  return balance;
 }
 
+// Get transactions by category (demonstrates loop + push + includes)
 function getTransactionsByCategory(category) {
-  // TODO: Implement this function
+  const filtered = [];
+  for (const tx of transactions) {
+    if (tx.category.toLowerCase().includes(category.toLowerCase())) {
+      filtered.push(tx);
+    }
+  }
+  return filtered;
 }
 
+// Get the largest expense (demonstrates destructuring)
 function getLargestExpense() {
-  // TODO: Implement this function
+  let largest = null;
+  for (const tx of transactions) {
+    if (tx.type === 'expense') {
+      if (!largest || tx.amount > largest.amount) {
+        largest = tx;
+      }
+    }
+  }
+  return largest;
 }
 
+// Print all transactions
 function printAllTransactions() {
-  // TODO: Implement this function
-}
+  console.log(chalk.bold('\nAll Transactions:'));
+  for (const tx of transactions) {
+    const { id, type, category, amount, description } = tx;
+    const typeLabel = type === 'income' ? chalk.green('[INCOME]') : chalk.red('[EXPENSE]');
+    console.log(`${id}. ${typeLabel} ${description} - €${amount} (${chalk.yellow(category)})`);
+  }
+}
+
+// Print summary report
+function printSummary() {
+  const totalIncome = getTotalIncome();
+  const totalExpenses = getTotalExpenses();
+  const balance = getBalance();
+  const largestExpense = getLargestExpense();
+  console.log(chalk.bold('\n📊 FINANCIAL SUMMARY 📊'));
+  console.log(`Total Income: ${chalk.green.bold('€' + totalIncome)}`);
+  console.log(`Total Expenses: ${chalk.red.bold('€' + totalExpenses)}`);
+  console.log(
+    `Current Balance: ${
+      balance >= 0 ? chalk.cyan.bold('€' + balance) : chalk.red.bold('€' + balance)
+    }`
+  );
+  if (largestExpense) {
+    console.log(
+      `Largest Expense: ${largestExpense.description} (${chalk.red.bold('€' + largestExpense.amount)})`
+    );
+  }
+  console.log(`Total Transactions: ${transactions.length}`);
+}
+
+
+
+printAllTransactions();
+
+printSummary();
+
+addTransaction({
+  id: 6,
+  type: 'expense',
+  category: 'entertainment',
+  amount: 200,
+  description: 'Movie and snacks',
+  date: '2025-01-25',
+});
+
+
+printAllTransactions();
+printSummary();

package.json

@@ -0,0 +1,27 @@
+{
+  "name": "c55-core-week-4",
+  "version": "1.0.0",
+  "description": "The week 4 assignment for the HackYourFuture Core program can be found at the following link: https://hub.hackyourfuture.nl/core-program-week-4-assignment",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/MunaNasher/c55-core-week-4.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "bugs": {
+    "url": "https://github.com/MunaNasher/c55-core-week-4/issues"
+  },
+  "homepage": "https://github.com/MunaNasher/c55-core-week-4#readme",
+  "dependencies": {
+    "chalk": "^4.1.2"
+  },
+  "devDependencies": {
+    "prettier": "^3.8.1"
+  }
+}