basic db implementation

backend/src/db/schema.ts

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+import { sqliteTable, int, text } from 'drizzle-orm/sqlite-core'
+
+export const event = sqliteTable('event', {
+	id: int().primaryKey({ autoIncrement: true }),
+    userid: text().notNull(),
+	title: text().notNull(),
+	description: text().notNull(),
+	from: text().notNull(),
+	to: text().notNull(),
+	created_at: text().notNull().default(new Date().toISOString()),
+	updated_at: text().notNull().default(new Date().toISOString())
+})

backend/src/main.ts

@@ -0,0 +1,130 @@
+import express from 'express'
+import cors from 'cors'
+import { drizzle } from 'drizzle-orm/libsql';
+import { event } from './db/schema';
+
+const db = drizzle("file:local.db");
+const app = express();
+const userId = "Detlef";
+
+app.use(cors())
+app.use(express.json());
+
+app.get('/', (req, res) => {
+    res.send('Hello World');
+});
+
+app.get('/tasks', (req, res) => {
+    res.send(
+        ["Homework", "cleaning", "learn Arrow-functions"]
+    );
+});
+
+app.get('/events', async(req, res) => {
+    res.send(await db.select().from(event))
+});
+
+app.get('/user/:id', (req, res) => {
+    const id = req.params['id'];
+
+    if (id == null) {
+        res.status(400).send({error: 'Needs an user id'});
+        return;
+    }
+
+    const user = {id: id, name: 'Cracker'}  //TODO
+    res.json(user);
+
+});
+
+app.get('/task/:id', (req, res) => {
+
+    const id = req.params['id'];
+
+    if (id == null) {
+        res.status(400).send({error: 'Needs an id'});
+        return;
+    }
+
+    const task = {id: id, name: 'Homework'}  //TODO
+    res.json(task);
+});
+
+app.get('/event/:id', (req, res) => {
+
+    const id = req.params['id'];
+
+    if (id == null) {
+        res.status(400).send({error: 'Needs an id'});
+        return;
+    }
+
+    const event = {id: id, name: 'Pary'}  //TODO
+    res.json(event);
+});
+
+app.post('/task', (req, res) => {
+
+    const newTask = req.body;
+
+    //Validate
+
+    //const newTaskWithId = db.createEvent(newTask)
+
+    res.status(200).json(newTask);
+});
+
+app.post('/event', async(req, res) => {
+
+    const newEvent: typeof event.$inferInsert = req.body
+    newEvent.description = ""
+    newEvent.userid = userId
+
+    const returnedEvent = await db.insert(event).values(newEvent).returning()
+    console.log(returnedEvent)
+
+    //Validate
+
+    //const newEventWithId = db.createEvent(newEvent)
+
+    res.status(201).json(newEvent);
+});
+
+app.put('/task', (req, res) => {
+
+    const updatedTask = req.body;
+
+    //Validate (having id)
+
+    //const updatedTaskWithId = db.updateTask(updatedTask)
+
+    res.status(200).json(updatedTask);
+});
+
+app.put('/event', (req, res) => {
+    const updatedEvent = req.body;
+
+    //Validate (having id)
+
+    //const updatedEventWithId = db.updateEvent(updatedEvent)
+
+    res.status(200).json(updatedEvent);
+});
+
+app.delete('/task/:id', (req, res) => {
+    const id = req.params['id'];
+
+    //const success = db.deleteTask(id)
+    res.send("Deleted");
+});
+
+app.delete('/event', (req, res) => {
+    const id = req.params['id'];
+
+    //const success = db.deleteEvent(id)
+    res.send("Deleted");
+});
+
+app.listen(8080, () => {
+    console.log('Listening on port 8080');
+});