feat: implement MainForm component and set up routing; add user table schema and trigger in SQL

backend/routes/default/frontend.route.js

@@ -0,0 +1,4 @@
+import express from "express";
+import dotenv from "dotenv";
+const router = express.Router();
+dotenv.config();

backend/scheme.sql

@@ -0,0 +1,24 @@
+CREATE TABLE users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(100) NOT NULL,
+    first_name VARCHAR(100) NOT NULL,
+    last_name VARCHAR(100) NOT NULL,
+    email VARCHAR(255) NOT NULL UNIQUE,
+    unique_key CHAR(25) NOT NULL UNIQUE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Trigger zur automatischen Generierung eines 25‑stelligen Keys
+DELIMITER $
+
+CREATE TRIGGER before_user_insert
+BEFORE INSERT ON users
+FOR EACH ROW
+BEGIN
+    SET NEW.unique_key = SUBSTRING(
+        REPLACE(UUID(), '-', '')
+        -- UUID = 32 Zeichen, wir nehmen 25 davon
+    , 1, 25);
+END$
+
+DELIMITER ;

backend/server.js

@@ -1,5 +1,8 @@
 import express from "express";
 import cors from "cors";
+import defaultRouter from "./routes/default/frontend.route.js";
+import dotenv from "dotenv";
+dotenv.config();
 
 const app = express();
 const PORT = process.env.PORT;
@@ -9,6 +12,8 @@ app.use(cors());
 app.use(express.json());
 app.use(express.urlencoded({ extended: true }));
 
+app.use("/default", defaultRouter);
+
 app.get("/", (req, res) => {
   res.render("index");
 });