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13
Dockerfile
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13
Dockerfile
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# Basisimage
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FROM node:20
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# Arbeitsverzeichnis setzen
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WORKDIR /app
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# Dateien kopieren
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COPY package*.json ./
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RUN npm install
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COPY . .
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# Startbefehl
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CMD ["node", "index.js"]
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264
index.js
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264
index.js
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const express = require("express");
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const { Pool } = require("pg");
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const cors = require('cors');
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const app = express();
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const port = process.env.PORT || 3000;
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const bcrypt = require('bcryptjs');
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const jwt = require('jsonwebtoken');
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const JWT_SECRET = "supergeheimes_tg_cms_secret";
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// Bodyparser für JSON aktivieren
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app.use(cors({
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origin: ["http://localhost:8080", "http://192.168.50.65:8080"],
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methods: ["GET", "POST", "PUT", "DELETE"],
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credentials: true
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}));
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app.use(express.json());
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// PostgreSQL Verbindung aufbauen
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const pool = new Pool({
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user: "tgadmin",
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host: "db", // Docker Container Name!
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database: "tg-cms",
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password: "secretpass",
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port: 5432,
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});
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// Testroute API-Check
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app.get("/api/hello", (req, res) => {
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res.send("Hello World from TG CMS API! 🚀");
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});
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// Testroute DB-Check
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app.get("/api/test-db", async (req, res) => {
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try {
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const result = await pool.query("SELECT NOW()");
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res.json({ time: result.rows[0].now });
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler bei DB-Verbindung");
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}
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});
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// Alle News abrufen
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app.get("/api/news", async (req, res) => {
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try {
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const result = await pool.query('SELECT * FROM news ORDER BY created_at DESC');
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res.json(result.rows);
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Abrufen der News");
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}
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});
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// Neue News anlegen
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app.post("/api/news", async (req, res) => {
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const { title, description, image_url, team } = req.body;
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if (!title || !description) {
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return res.status(400).send("Titel und Beschreibung sind Pflichtfelder");
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}
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try {
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const result = await pool.query(
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'INSERT INTO news (title, description, image_url, team) VALUES ($1, $2, $3, $4) RETURNING *',
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[title, description, image_url, team]
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);
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res.status(201).json(result.rows[0]);
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Anlegen der News");
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}
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});
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// News bearbeiten
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app.put("/api/news/:id", async (req, res) => {
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const { id } = req.params;
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const { title, description, image_url, team } = req.body;
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try {
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const result = await pool.query(
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'UPDATE news SET title = $1, description = $2, image_url = $3, team = $4 WHERE id = $5 RETURNING *',
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[title, description, image_url, team, id]
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);
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if (result.rowCount === 0) {
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return res.status(404).send("News-Eintrag nicht gefunden");
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}
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res.json(result.rows[0]);
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Aktualisieren der News");
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}
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});
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// News löschen
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app.delete("/api/news/:id", async (req, res) => {
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const { id } = req.params;
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try {
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const result = await pool.query(
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'DELETE FROM news WHERE id = $1',
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[id]
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);
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if (result.rowCount === 0) {
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return res.status(404).send("News-Eintrag nicht gefunden");
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}
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res.send("News-Eintrag erfolgreich gelöscht");
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Löschen der News");
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}
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});
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// Neuen Benutzer anlegen
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app.post("/api/users", async (req, res) => {
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const { username, password, role, email } = req.body;
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if (!username || !password || !email) {
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return res.status(400).send("Username, Email & Passwort sind Pflicht");
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}
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try {
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// Passwort hashen
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const hashedPassword = await bcrypt.hash(password, 10);
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// In DB speichern
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const result = await pool.query(
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'INSERT INTO users (username, password, role, email) VALUES ($1, $2, $3, $4) RETURNING id, username, role, email, created_at',
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[username, hashedPassword, role ||'user', email]
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);
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res.status(201).json(result.rows[0]);
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Anlegen des Benutzers");
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}
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});
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// Benutzer Login
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app.post("/api/login", async (req, res) => {
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const { username, password } = req.body;
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if (!username || !password) {
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return res.status(400).send("Username und Passwort erforderlich");
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}
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try {
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const result = await pool.query(
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'SELECT * FROM users WHERE username = $1',
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[username]
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);
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const user = result.rows[0];
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if (!user) {
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return res.status(400).send("Benutzer existiert nicht");
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}
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// Passwort prüfen
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const validPassword = await bcrypt.compare(password, user.password);
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if (!validPassword) {
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return res.status(401).send("Passwort falsch");
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}
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await pool.query(
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'UPDATE users SET last_logged = NOW() WHERE id = $1',
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[user.id]
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);
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// JWT Token erzeugen
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const token = jwt.sign(
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{ id: user.id, username: user.username, role: user.role },
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JWT_SECRET,
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{ expiresIn: "6h" }
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);
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res.json({ token });
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Login");
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}
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});
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// Alle Benutzer abrufen
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app.get("/api/users", async (req, res) => {
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try {
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const result = await pool.query(
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'SELECT id, username, role, email, created_at FROM users ORDER BY created_at DESC'
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);
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res.json(result.rows);
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Abrufen der Benutzer");
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}
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});
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// Benutzer lÃloeschen
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app.delete("/api/users/:id", async (req, res) => {
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const { id } = req.params;
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try {
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// Prüfen, ob der Benutzer existiert
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const checkResult = await pool.query('SELECT * FROM users WHERE id = $1', [id]);
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if (checkResult.rowCount === 0) {
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return res.status(404).send("Benutzer nicht gefunden");
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}
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// Benutzer löschen
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await pool.query('DELETE FROM users WHERE id = $1', [id]);
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res.send("Benutzer erfolgreich gelöscht");
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Löschen des Benutzers");
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}
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});
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// Benutzer bearbeiten
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app.put("/api/users/:id", async (req, res) => {
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const { id } = req.params;
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const { username, password, role } = req.body;
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try {
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// Passwort optional neu setzen
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let query = 'UPDATE users SET username = $1, role = $2';
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let params = [username, role, id];
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if (password) {
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const hashedPassword = await bcrypt.hash(password, 10);
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query = 'UPDATE users SET username = $1, password = $2, role = $3 WHERE id = $4';
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params = [username, hashedPassword, role, id];
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} else {
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query += ' WHERE id = $3';
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}
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const result = await pool.query(query, params);
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if (result.rowCount === 0) {
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return res.status(404).send("Benutzer nicht gefunden");
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}
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res.send("Benutzer erfolgreich aktualisiert");
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} catch (err) {
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console.error(err);
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res.status(500).send("Fehler beim Aktualisieren des Benutzers");
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}
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});
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// Server starten
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app.listen(port, () => {
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console.log(`Server läuft auf Port ${port}`);
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});
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