- WIP: reworked the order function and added error handling for it
- added a function to save the user_id in the sessionStorage of the browser
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@ -36,19 +36,16 @@
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<label for="ort">Ort:</label>
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<label for="ort">Ort:</label>
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<input type="text" id="ort" name="ort" required placeholder="Ort">
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<input type="text" id="ort" name="ort" required placeholder="Ort">
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<label for="telefon Nr">Telefon Nr (optional):</label>
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<input type="tel" id="telefon Nr" name="telefon" placeholder="Telefon Nr">
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<label for="ArtikelNr">Artikel Nr.:</label>
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<label for="ArtikelNr">Artikel Nr.:</label>
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<textarea id="ArtikelNr" name="ArtikelNr" rows="4" required placeholder="Artikel Nr."></textarea>
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<textarea id="ArtikelNr" name="ArtikelNr" rows="4" required placeholder="Artikel Nr."></textarea>
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<a href="/bestellung" class="button-submit" id="bestellformular">Bestellung absenden</a>
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<a href="/bestellung" class="button-submit" id="sendOrder">Bestellung absenden</a>
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</form>
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</form>
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</div>
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</div>
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</main>
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</main>
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<script>
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<script>
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document.getElementById('bestellform').addEventListener('bestellformular', async (event) => {
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document.getElementById('bestellform').addEventListener('sendOrder', async (event) => {
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event.preventDefault(); // Verhindert das Standardformularverhalten
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event.preventDefault(); // Verhindert das Standardformularverhalten
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const userId = document.getElementById('KundenNr').value;
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const userId = document.getElementById('KundenNr').value;
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@ -27,17 +27,27 @@
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<script>
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<script>
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async function ladeBestellung() {
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async function ladeBestellung() {
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const user_id = sessionStorage.getItem('user_id')
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console.log('User ID: ', user_id)
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if (!user_id){
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console.log("is null")
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alert('Sie sind nicht eingeloggt! Bitte loggen sie sich ein damit diese Seite angezeigt werden kann.')
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} else if (user_id <= 1) {
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try {
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try {
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const response = await fetch('/api/bestellung/daten');
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const response = await fetch('/api/bestellung/daten', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify(user_id)
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})
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if (response.ok) {
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if (response.ok) {
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const data = await response.json();
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const data = await response.json();
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document.getElementById('kundenNr').textContent = user_id
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document.getElementById('kundenNr').textContent = data.kundenNr;
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document.getElementById('produktId').textContent = data.product_id
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document.getElementById('produktId').textContent = data.artikelNr;
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//document.getElementById('produktName').textContent = data.
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document.getElementById('produktName').textContent = data.produktName;
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document.getElementById('preis').textContent = data.total + ' €'
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document.getElementById('preis').textContent = data.preis + ' €';
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} else {
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} else {
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console.error('Fehler beim Laden der Bestelldaten.');
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console.error('Fehler beim Laden der Bestelldaten.');
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}
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}
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@ -45,6 +55,7 @@
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console.error('Fehler: ', error);
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console.error('Fehler: ', error);
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}
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}
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}
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}
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}
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window.addEventListener('DOMContentLoaded', ladeBestellung);
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window.addEventListener('DOMContentLoaded', ladeBestellung);
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</script>
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</script>
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@ -37,8 +37,8 @@
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document.getElementById('submit').addEventListener('click', async (event) => {
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document.getElementById('submit').addEventListener('click', async (event) => {
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event.preventDefault()
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event.preventDefault()
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const email = document.getElementById('email').value;
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const email = document.getElementById('email').value
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const password = document.getElementById('password').value;
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const password = document.getElementById('password').value
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try {
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try {
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const response = await fetch('/api/user/login', {
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const response = await fetch('/api/user/login', {
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@ -50,6 +50,7 @@
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})
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})
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if (response.ok) {
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if (response.ok) {
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const data = await response.json();
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const data = await response.json();
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sessionStorage.setItem("user_id", data.id)
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alert('Login erfolgreich!');
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alert('Login erfolgreich!');
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window.location.href = '/'; // Redirect to home page after login
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window.location.href = '/'; // Redirect to home page after login
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} else {
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} else {
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@ -75,6 +75,7 @@
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})
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})
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if (response.ok) {
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if (response.ok) {
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const data = await response.json();
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const data = await response.json();
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sessionStorage.setItem("user_id", data.id)
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alert('Nutzer erfolgreich hinzugefügt! Ihre Kundennummer: ' + data.id)
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alert('Nutzer erfolgreich hinzugefügt! Ihre Kundennummer: ' + data.id)
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} else {
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} else {
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alert('Fehler bei der Registrierung.')
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alert('Fehler bei der Registrierung.')
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19
server.js
19
server.js
@ -169,27 +169,26 @@ app.post('/api/user/login', (req, res) => {
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})
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})
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app.post('/api/bestellung', (req, res) => {
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app.post('/api/bestellung', (req, res) => {
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const { userId, productId} = req.body;
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// 1. Produktpreis holen
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const { user_id, product_id} = req.body;
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const productSql = 'SELECT price FROM product WHERE productId = ?';
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const sql = 'INSERT INTO order_items (user_id, product_id, quantity) VALUES (?, ?, 1)'
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const producNameSql = 'SELECT name FROM product WHERE productId = ?';
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db.query(productSql, [productId], (err, productResults) => {
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if (err || productResults.length === 0) {
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db.query(sql, [user_id, product_id], (err, results) => {
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if (err || results.length === 0) {
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console.error('Fehler beim Abrufen des Produkts: ', err);
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console.error('Fehler beim Abrufen des Produkts: ', err);
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return res.status(500).json({ message: 'Produkt nicht gefunden oder Serverfehler' });
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return res.status(500).json({ message: 'Produkt nicht gefunden oder Serverfehler' });
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}
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}
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res.status(201).json({message: 'Produkt bestellt', id: results.insertId})
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const productPrice = productResults[0].price;
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});
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});
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});
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});
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app.get('/api/bestellung/daten', (req, res) => {
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app.get('/api/bestellung/daten', (req, res) => {
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const user_id = req.body;
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db.query(sql, [userId], (err, results) => {
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const sql = 'SELECT * FROM order_items WHERE user_id = ? '
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db.query(sql, [user_id], (err, results) => {
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if (err) {
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if (err) {
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console.error('Fehler beim Abrufen der Bestellung: ', err);
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console.error('Fehler beim Abrufen der Bestellung: ', err);
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return res.status(500).json({ message: 'Fehler beim Abrufen der Bestellung' });
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return res.status(500).json({ message: 'Fehler beim Abrufen der Bestellung' });
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