update where no duplicate username and email can be created
This commit is contained in:
BIG2EYEZ
184
Sean/server.js
184
Sean/server.js
@ -207,57 +207,80 @@ app.post('/createUser', (req, res) => {
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return res.status(400).json({ error: 'Password does not meet complexity requirements' });
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}
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// Hash the password before storing it in the database
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bcrypt.hash(password, 10, (hashError, hashedPassword) => {
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if (hashError) {
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console.error('Error hashing password:', hashError);
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res.status(500).json({ error: 'Internal Server Error' });
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return;
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// Check if the username is already taken
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const checkUsernameQuery = 'SELECT * FROM users WHERE username = ?';
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mysqlConnection.query(checkUsernameQuery, [username], (usernameQueryErr, usernameResults) => {
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if (usernameQueryErr) {
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console.error('Error checking username:', usernameQueryErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Start a transaction
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mysqlConnection.beginTransaction((transactionErr) => {
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if (transactionErr) {
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console.error('Error starting transaction:', transactionErr);
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res.status(500).json({ error: 'Internal Server Error' });
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return;
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if (usernameResults.length > 0) {
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return res.status(400).json({ error: 'Username is already taken', message: 'Username is already taken. Please choose a different username.' });
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}
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// Check if the email is already taken
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const checkEmailQuery = 'SELECT * FROM users WHERE email = ?';
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mysqlConnection.query(checkEmailQuery, [email], (emailQueryErr, emailResults) => {
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if (emailQueryErr) {
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console.error('Error checking email:', emailQueryErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Define the insert query
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const insertUserQuery = 'INSERT INTO users (name, username, email, password, lastLogin, jobTitle) VALUES (?, ?, ?, ?, NULL, ?)';
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if (emailResults.length > 0) {
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return res.status(400).json({ error: 'Email is already in use', message: 'Email is already in use. Please choose another email.' });
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}
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// Log the query and its parameters
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console.log('Insert Query:', insertUserQuery);
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console.log('Query Parameters:', [name, username, email, hashedPassword, jobTitle]);
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// Execute the query with user data
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mysqlConnection.query(insertUserQuery, [name, username, email, hashedPassword, jobTitle], (queryErr, results) => {
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if (queryErr) {
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console.error('Error executing query:', queryErr);
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// Rollback the transaction in case of an error
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mysqlConnection.rollback((rollbackErr) => {
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if (rollbackErr) {
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console.error('Error rolling back transaction:', rollbackErr);
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}
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res.status(500).json({ error: 'Internal Server Error' });
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});
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return;
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// Hash the password before storing it in the database
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bcrypt.hash(password, 10, (hashError, hashedPassword) => {
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if (hashError) {
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console.error('Error hashing password:', hashError);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Commit the transaction
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mysqlConnection.commit((commitErr) => {
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if (commitErr) {
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console.error('Error committing transaction:', commitErr);
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res.status(500).json({ error: 'Internal Server Error' });
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return;
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// Start a transaction
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mysqlConnection.beginTransaction((transactionErr) => {
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if (transactionErr) {
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console.error('Error starting transaction:', transactionErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Log the results of the query
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console.log('Query Results:', results);
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// Define the insert query
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const insertUserQuery = 'INSERT INTO users (name, username, email, password, lastLogin, jobTitle) VALUES (?, ?, ?, ?, NULL, ?)';
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// Respond with a success message
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res.status(201).json({ message: 'User created successfully' });
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// Log the query and its parameters
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console.log('Insert Query:', insertUserQuery);
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console.log('Query Parameters:', [name, username, email, hashedPassword, jobTitle]);
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// Execute the query with user data
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mysqlConnection.query(insertUserQuery, [name, username, email, hashedPassword, jobTitle], (queryErr, results) => {
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if (queryErr) {
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console.error('Error executing query:', queryErr);
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// Rollback the transaction in case of an error
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mysqlConnection.rollback((rollbackErr) => {
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if (rollbackErr) {
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console.error('Error rolling back transaction:', rollbackErr);
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}
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return res.status(500).json({ error: 'Internal Server Error' });
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});
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return;
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}
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// Commit the transaction
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mysqlConnection.commit((commitErr) => {
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if (commitErr) {
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console.error('Error committing transaction:', commitErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Log the results of the query
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console.log('Query Results:', results);
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// Respond with a success message
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res.status(201).json({ message: 'User created successfully' });
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});
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});
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});
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});
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});
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@ -268,6 +291,82 @@ app.post('/createUser', (req, res) => {
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}
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});
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app.post('/check-username-email', (req, res) => {
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try {
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const { username, email } = req.body;
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// Check if the username is already taken
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const checkUsernameQuery = 'SELECT * FROM users WHERE username = ?';
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mysqlConnection.query(checkUsernameQuery, [username], (usernameQueryErr, usernameResults) => {
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if (usernameQueryErr) {
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console.error('Error checking username:', usernameQueryErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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// Check if the email is already taken
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const checkEmailQuery = 'SELECT * FROM users WHERE email = ?';
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mysqlConnection.query(checkEmailQuery, [email], (emailQueryErr, emailResults) => {
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if (emailQueryErr) {
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console.error('Error checking email:', emailQueryErr);
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return res.status(500).json({ error: 'Internal Server Error' });
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}
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if (usernameResults.length === 0 && emailResults.length === 0) {
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// Both username and email are available
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return res.status(200).json({ available: true });
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} else {
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// Either username or email is already taken
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return res.status(400).json({ error: 'Username or email already taken' });
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}
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});
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});
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} catch (error) {
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console.error('Error checking username and email:', error);
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res.status(500).json({ error: 'Internal Server Error' });
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}
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});
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app.post('/check-username', (req, res) => {
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const { username } = req.body;
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const checkUsernameQuery = 'SELECT * FROM users WHERE username = ?';
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mysqlConnection.query(checkUsernameQuery, [username], (error, results) => {
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if (error) {
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console.error('Error checking username:', error);
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res.status(500).json({ error: 'Internal Server Error' });
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} else {
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const isAvailable = results.length === 0;
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res.json({ available: isAvailable });
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}
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});
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});
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// Assuming you have an instance of express named 'app'
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app.post('/check-email', (req, res) => {
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const { email } = req.body;
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// Check if the email is already taken in the database
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const checkEmailQuery = 'SELECT * FROM users WHERE email = ?';
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mysqlConnection.query(checkEmailQuery, [email], (error, results) => {
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if (error) {
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console.error('Error checking email:', error);
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res.status(500).json({ error: 'Internal Server Error' });
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return;
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}
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// If results.length is greater than 0, it means the email is already taken
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const isEmailAvailable = results.length === 0;
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// Return a JSON response indicating whether the email is available or not
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res.json({ available: isEmailAvailable });
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});
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});
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app.get('/forgot-password', (req, res) => {
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res.render('forgot-password'); // Assuming you have an EJS template for this
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});
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@ -449,6 +548,9 @@ async function checkIfUserExists(username) {
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});
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});
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}
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app.use(express.static('views'));
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app.listen(PORT, () => {
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