Hannah N

.gitignore

@@ -1,158 +1 @@
-# System files
-.DS_Store
-Thumbs.db
-[Dd]esktop.ini
-
-# hyf
-.hyf/score.json
-
-# Editor and IDE settings
-.vscode/
-.idea/
-*.iml
-*.code-workspace
-*.sublime-project
-*.sublime-workspace
-.history/
-.ionide/
-
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-lerna-debug.log*
-
-# Diagnostic reports (https://nodejs.org/api/report.html)
-report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-*.lcov
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (https://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
 node_modules/
-jspm_packages/
-
-# Snowpack dependency directory (https://snowpack.dev/)
-web_modules/
-
-# TypeScript cache
-*.tsbuildinfo
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional stylelint cache
-.stylelintcache
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variable files
-.env
-.env.*
-!.env.example
-
-# parcel-bundler cache (https://parceljs.org/)
-.cache
-.parcel-cache
-
-# Next.js build output
-.next
-out
-
-# Nuxt.js build / generate output
-.nuxt
-dist
-
-# Gatsby files
-.cache/
-# Comment in the public line in if your project uses Gatsby and not Next.js
-# https://nextjs.org/blog/next-9-1#public-directory-support
-# public
-
-# vuepress build output
-.vuepress/dist
-
-# vuepress v2.x temp and cache directory
-.temp
-.cache
-
-# Sveltekit cache directory
-.svelte-kit/
-
-# vitepress build output
-**/.vitepress/dist
-
-# vitepress cache directory
-**/.vitepress/cache
-
-# Docusaurus cache and generated files
-.docusaurus
-
-# Serverless directories
-.serverless/
-
-# FuseBox cache
-.fusebox/
-
-# DynamoDB Local files
-.dynamodb/
-
-# Firebase cache directory
-.firebase/
-
-# TernJS port file
-.tern-port
-
-# Stores VSCode versions used for testing VSCode extensions
-.vscode-test
-
-# yarn v3
-.pnp.*
-.yarn/*
-!.yarn/patches
-!.yarn/plugins
-!.yarn/releases
-!.yarn/sdks
-!.yarn/versions
-
-# Vite logs files
-vite.config.js.timestamp-*
-vite.config.ts.timestamp-*
-

.prettierrc

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

finance-tracker/app.js

@@ -1,3 +1,59 @@
 // This is the entrypoint for your application.
 // node app.js
+const {
+  addTransaction,
+  getTotalIncome,
+  getTotalExpenses,
+  getBalance,
+  getTransactionsByCategory,
+  getLargestExpense,
+  printAllTransactions,
+} = require('./finance.js');
 
+console.log('Starting application...');
+printAllTransactions();
+
+console.log('Total income:    €' + getTotalIncome().toFixed(2));
+console.log('Total expenses:  €' + getTotalExpenses().toFixed(2));
+console.log('Current balance: €' + getBalance().toFixed(2));
+
+addTransaction({
+  type: 'expense',
+  category: 'Food',
+  amount: 9.5,
+  description: 'Lunch sandwich',
+});
+
+addTransaction({
+  type: 'income',
+  category: 'Sale',
+  amount: 40,
+  description: 'Sold old headphones',
+});
+
+console.log('\nAfter adding transactions:');
+printAllTransactions();
+
+console.log('New total income:    €' + getTotalIncome().toFixed(2));
+console.log('New total expenses:  €' + getTotalExpenses().toFixed(2));
+console.log('New balance:         €' + getBalance().toFixed(2));
+
+console.log("All 'Food' transactions:");
+console.log(getTransactionsByCategory('Food'));
+
+console.log('\nLargest expense:');
+const biggest = getLargestExpense();
+if (biggest) {
+  console.log(
+    '#' +
+      biggest.id +
+      ' ' +
+      biggest.category +
+      ' €' +
+      biggest.amount +
+      ' – ' +
+      biggest.description
+  );
+} else {
+  console.log('No expenses found.');
+}

finance-tracker/data.js

@@ -1,2 +1,54 @@
 // Place here the transaction data array. Use it in your application as needed.
-const transactions = [];
+const transactions = [
+  {
+    id: 1,
+    type: 'income',
+    category: 'salary',
+    amount: 3000,
+    description: 'Monthly salary',
+    date: '2025-01-04'
+  },
+   {
+    id: 2,
+    type: 'expense',
+    category: 'rent',
+    amount: 1000,
+    description: 'Pay for the house',
+    date: '2025-01-06'
+  },
+   {
+    id: 3,
+    type: 'income',
+    category: 'Making hair',
+    amount: 5000,
+    description: 'Money earned working in the weekend',
+    date: '2025-01-29'
+  },
+   {
+    id: 4,
+    type: 'expense',
+    category: 'travel card',
+    amount: 1500,
+    description: 'Pay NS for travel card',
+    date: '2025-01-26'
+  },
+   {
+    id: 5,
+    type: 'expense',
+    category: 'tours',
+    amount: 2000,
+    description: 'Saving money for vacancy',
+    date: '2025-01-10'
+  },
+  {
+    id: 6,
+    type: 'expense',
+    category: 'Subscriptions',
+    amount: 1000,
+    description: 'Busuu,Netflix,Spotify,Data',
+    date: '2025-01-15'
+  },
+
+
+];
+module.exports = { transactions };

finance-tracker/finance.js

@@ -1,27 +1,105 @@
+const chalk = require("chalk");
+const { transactions } = require("./data.js");
+
+
 function addTransaction(transaction) {
   // TODO: Implement this function
+  let maxId = 0;
+  for (let i = 0; i < transactions.length; i++) {
+    if (transactions[i].id > maxId) {
+      maxId = transactions[i].id;
+    }
+  }
+  transaction.id = maxId + 1;
+
+  transactions.push(transaction);
+  console.log(chalk.green('→ Added transaction #' + transaction.id));
 }
 
 function getTotalIncome() {
   // TODO: Implement this function
+  let total = 0;
+  for (let i = 0; i < transactions.length; i++) {
+    if (transactions[i].type === 'income') {
+      total += transactions[i].amount;
+    }
+  }
+  return total;
 }
 
 function getTotalExpenses() {
   // TODO: Implement this function
+  let total = 0;
+  for (let i = 0; i < transactions.length; i++) {
+    if (transactions[i].type === 'expense') {
+      total += transactions[i].amount;
+    }
+  }
+  return total;
 }
 
 function getBalance() {
   // TODO: Implement this function
+  return getTotalIncome() - getTotalExpenses();
 }
 
 function getTransactionsByCategory(category) {
   // TODO: Implement this function
+  let found = [];
+  for (let i = 0; i < transactions.length; i++) {
+    if (transactions[i].category === category) {
+      found.push(transactions[i]);
+    }
+  }
+  return found;
 }
 
 function getLargestExpense() {
   // TODO: Implement this function
+  let largest = null;
+  let maxAmount = -1;
+
+  for (let i = 0; i < transactions.length; i++) {
+    let t = transactions[i];
+    if (t.type === 'expense' && t.amount > maxAmount) {
+      largest = t;
+      maxAmount = t.amount;
+    }
+  }
+  return largest;
 }
 
 function printAllTransactions() {
   // TODO: Implement this function
-}
+  console.log(chalk.bold('\n=== Transactions ==='));
+  console.log(chalk.bold('ID | Type     | Amount | Category   | Description'));
+  console.log('-----------------------------------------------');
+
+  for (let i = 0; i < transactions.length; i++) {
+    let t = transactions[i];
+    let sign = t.type === 'income' ? '+' : '-';
+    console.log(
+      t.id +
+        '  | ' +
+        t.type.padEnd(8) +
+        ' | ' +
+        sign +
+        t.amount.toFixed(2).padStart(6) +
+        ' | ' +
+        t.category.padEnd(10) +
+        ' | ' +
+        t.description
+    );
+  }
+  console.log('-----------------------------------------------\n');
+}
+
+module.exports = {
+  addTransaction,
+  getTotalIncome,
+  getTotalExpenses,
+  getBalance,
+  getTransactionsByCategory,
+  getLargestExpense,
+  printAllTransactions,
+};