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chore: Update README.md with sample description and contributing guid…
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@cndaan
cndaan committed Jun 26, 2024
1 parent 6411819 commit 94076bc
Showing 1 changed file with 167 additions and 167 deletions.
334 changes: 167 additions & 167 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,36 +16,36 @@ const apiPrefix = '/api';

// Store data in-memory, not suited for production use!
const db = {
test: {
user: 'test',
currency: '$',
description: `Test account`,
balance: 75,
transactions: [
{ id: '1', date: '2020-10-01', object: 'Pocket money', amount: 50 },
{ id: '2', date: '2020-10-03', object: 'Book', amount: -10 },
{ id: '3', date: '2020-10-04', object: 'Sandwich', amount: -5 }
],
},
jondoe: {
user: 'jondoe',
currency: '$',
description: `Second test account`,
balance: 150,
transactions: [
{ id: '1', date: '2022-10-01', object: 'Gum', amount: -2 },
{ id: '2', date: '2022-10-03', object: 'Book', amount: -10 },
{ id: '3', date: '2022-10-04', object: 'Restaurant', amount: -45 }
],
}
};
test: {
user: 'test',
currency: '$',
description: `Test account`,
balance: 75,
transactions: [
{ id: '1', date: '2020-10-01', object: 'Pocket money', amount: 50 },
{ id: '2', date: '2020-10-03', object: 'Book', amount: -10 },
{ id: '3', date: '2020-10-04', object: 'Sandwich', amount: -5 }
],
},
jondoe: {
user: 'jondoe',
currency: '$',
description: `Second test account`,
balance: 150,
transactions: [
{ id: '1', date: '2022-10-01', object: 'Gum', amount: -2 },
{ id: '2', date: '2022-10-03', object: 'Book', amount: -10 },
{ id: '3', date: '2022-10-04', object: 'Restaurant', amount: -45 }
],
}

};

// Create the Express app & setup middlewares
const app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cors({ origin: /http:\/\/(127(\.\d){3}|localhost)/}));
app.use(cors({ origin: /http:\/\/(127(\.\d){3}|localhost)/ }));
app.options('*', cors());

// ***************************************************************************
Expand All @@ -55,165 +55,165 @@ const router = express.Router();

// Hello World for index page
app.get('/', function (req, res) {
return res.send("Hello World!");
return res.send("Hello CloudNation!");
})

app.get('/api', function (req, res) {
return res.send("Fabrikam Bank API");
return res.send("Fabrikam Bank API");
})

// ----------------------------------------------
// Create an account
// Create an account
router.post('/accounts', (req, res) => {
// Check mandatory request parameters
if (!req.body.user || !req.body.currency) {
return res.status(400).json({ error: 'Missing parameters' });
}

// Check if account already exists
if (db[req.body.user]) {
return res.status(409).json({ error: 'User already exists' });
}

// Convert balance to number if needed
let balance = req.body.balance;
if (balance && typeof balance !== 'number') {
balance = parseFloat(balance);
if (isNaN(balance)) {
return res.status(400).json({ error: 'Balance must be a number' });
}
// Check mandatory request parameters
if (!req.body.user || !req.body.currency) {
return res.status(400).json({ error: 'Missing parameters' });
}

// Check if account already exists
if (db[req.body.user]) {
return res.status(409).json({ error: 'User already exists' });
}

// Convert balance to number if needed
let balance = req.body.balance;
if (balance && typeof balance !== 'number') {
balance = parseFloat(balance);
if (isNaN(balance)) {
return res.status(400).json({ error: 'Balance must be a number' });
}

// Create account
const account = {
user: req.body.user,
currency: req.body.currency,
description: req.body.description || `${req.body.user}'s budget`,
balance: balance || 0,
transactions: [],
};
db[req.body.user] = account;

return res.status(201).json(account);
});

}

// Create account
const account = {
user: req.body.user,
currency: req.body.currency,
description: req.body.description || `${req.body.user}'s budget`,
balance: balance || 0,
transactions: [],
};
db[req.body.user] = account;

return res.status(201).json(account);
});

// ----------------------------------------------

// Get all data for the specified account
router.get('/accounts/:user', (req, res) => {
const account = db[req.params.user];
// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}
return res.json(account);
});
// ----------------------------------------------
const account = db[req.params.user];

// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}

return res.json(account);
});

// ----------------------------------------------

// Remove specified account
router.delete('/accounts/:user', (req, res) => {
const account = db[req.params.user];
// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}
// Removed account
delete db[req.params.user];
res.sendStatus(204);
});
// ----------------------------------------------
// Add a transaction to a specific account
router.post('/accounts/:user/transactions', (req, res) => {
const account = db[req.params.user];
// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}
// Check mandatory requests parameters
if (!req.body.date || !req.body.object || !req.body.amount) {
return res.status(400).json({ error: 'Missing parameters' });
}
// Convert amount to number if needed
let amount = req.body.amount;
if (amount && typeof amount !== 'number') {
amount = parseFloat(amount);
}
// Check that amount is a valid number
if (amount && isNaN(amount)) {
return res.status(400).json({ error: 'Amount must be a number' });
}
// Generates an ID for the transaction
const id = crypto
.createHash('md5')
.update(req.body.date + req.body.object + req.body.amount)
.digest('hex');
// Check that transaction does not already exist
if (account.transactions.some((transaction) => transaction.id === id)) {
return res.status(409).json({ error: 'Transaction already exists' });
}
// Add transaction
const transaction = {
id,
date: req.body.date,
object: req.body.object,
amount,
};
account.transactions.push(transaction);
// Update balance
account.balance += transaction.amount;
return res.status(201).json(transaction);
});
// ----------------------------------------------
// Remove specified transaction from account
router.delete('/accounts/:user/transactions/:id', (req, res) => {
const account = db[req.params.user];
// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}
const transactionIndex = account.transactions.findIndex(
(transaction) => transaction.id === req.params.id
);
// Check if transaction exists
if (transactionIndex === -1) {
return res.status(404).json({ error: 'Transaction does not exist' });
}
// Remove transaction
account.transactions.splice(transactionIndex, 1);
res.sendStatus(204);
});
const account = db[req.params.user];

// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}

// Removed account
delete db[req.params.user];

res.sendStatus(204);
});

// ----------------------------------------------

// Add a transaction to a specific account
router.post('/accounts/:user/transactions', (req, res) => {
const account = db[req.params.user];

// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}

// Check mandatory requests parameters
if (!req.body.date || !req.body.object || !req.body.amount) {
return res.status(400).json({ error: 'Missing parameters' });
}

// Convert amount to number if needed
let amount = req.body.amount;
if (amount && typeof amount !== 'number') {
amount = parseFloat(amount);
}

// Check that amount is a valid number
if (amount && isNaN(amount)) {
return res.status(400).json({ error: 'Amount must be a number' });
}

// Generates an ID for the transaction
const id = crypto
.createHash('md5')
.update(req.body.date + req.body.object + req.body.amount)
.digest('hex');

// Check that transaction does not already exist
if (account.transactions.some((transaction) => transaction.id === id)) {
return res.status(409).json({ error: 'Transaction already exists' });
}

// Add transaction
const transaction = {
id,
date: req.body.date,
object: req.body.object,
amount,
};
account.transactions.push(transaction);

// Update balance
account.balance += transaction.amount;

return res.status(201).json(transaction);
});

// ----------------------------------------------

// Remove specified transaction from account
router.delete('/accounts/:user/transactions/:id', (req, res) => {
const account = db[req.params.user];

// Check if account exists
if (!account) {
return res.status(404).json({ error: 'User does not exist' });
}

const transactionIndex = account.transactions.findIndex(
(transaction) => transaction.id === req.params.id
);

// Check if transaction exists
if (transactionIndex === -1) {
return res.status(404).json({ error: 'Transaction does not exist' });
}

// Remove transaction
account.transactions.splice(transactionIndex, 1);

res.sendStatus(204);
});

// ***************************************************************************

// Add 'api` prefix to all routes
app.use(apiPrefix, router);

// Start the server
app.listen(port, () => {
console.log(`Server listening on port ${port}`);
console.log(`Server listening on port ${port}`);
});

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