first milestone done

webserver/index.js

@@ -0,0 +1,134 @@
+class Ticket {
+    constructor(
+        id,
+        title,
+        description,
+        status,
+        created_at,
+        updated_at
+    ) {
+        this.id = id;
+        this.title = title;
+        this.description = description;
+        this.status = status;
+        this.created_at = created_at;
+        this.updated_at = updated_at;
+    }
+}
+
+const Status = {
+    OPEN: "open",
+    IN_PROGRESS: "in_progress",
+    CLOSED: "closed"
+};
+
+var tickets = [
+    new Ticket(0, "ticket 1", "some desc", Status.CLOSED, 1786438392, 1786438393),
+    new Ticket(1, "ticket 2", "some other desc", Status.OPEN, 1786438394, 1786438395),
+    new Ticket(2, "ticket 3", "some third desc", Status.OPEN, 1786438396, 1786438397)
+];
+
+function get_ticket_by_id(id) {
+    target = null;
+    tickets.forEach((ticket) => { 
+        if (ticket.id == id) {
+            target = ticket;
+        } 
+    }); 
+   
+    return target; 
+}
+
+function get_tickets_by_status(status) {
+    target = [];
+    tickets.forEach((ticket) => { 
+        if (ticket.status == status) {
+            target.push(ticket);
+        } 
+    }); 
+   
+    return target;
+}
+
+const express = require('express');
+
+const app = express();
+app.use(express.json());
+
+app.post('/v1/tickets', (req, res) => {
+    if (req.body.title == null) {
+        res.status(400).send("error: title not provided");
+        return;
+    }
+
+    if (req.body.description == null) {
+        res.status(400).send("error: description not provided");
+        return;
+    }
+
+    const new_title = req.body.title;
+    const new_description = req.body.description;
+    const creation_time = Date.now();
+    
+    const ticket = new Ticket(
+        tickets.length,
+        new_title,
+        new_description,
+        Status.OPEN,
+        creation_time,
+        creation_time
+    );
+    
+    tickets.push(ticket);
+
+    res.send(ticket);
+});
+
+app.patch('/v1/tickets/:id', (req, res) => {
+    const ticket_idx = tickets.indexOf(get_ticket_by_id(req.params.id));
+    const status = req.body.status;    
+
+
+    if (status == null) {
+        res.send(tickets);
+        return;
+    }
+
+    if (status != Status.OPEN && status != Status.CLOSED && status != Status.IN_PROGRESS) {
+        res.status(400).send("error: no such status (only 'open', 'in_progress' or 'closed')");
+    } else {
+        tickets[ticket_idx].status = status;
+        res.send(tickets[ticket_idx]);
+    }
+});
+
+app.get('/v1/tickets', (req, res) => {
+    const status = req.query.status;
+
+    if (status == null) {
+        res.send(tickets);
+        return;
+    }
+
+    if (status != Status.OPEN && status != Status.CLOSED && status != Status.IN_PROGRESS) {
+        res.status(400).send("error: no such status (only 'open', 'in_progress' or 'closed')");
+    } else {
+        const tickets_with_status = get_tickets_by_status(status);
+        res.send(tickets_with_status);
+    }
+});
+
+app.get('/v1/tickets/:id', (req, res) => {
+    const ticket_to_send = get_ticket_by_id(req.params.id);
+
+    if (ticket_to_send == null) {
+        res.status(400).send("error: no ticket with that id exists :(");
+    } else {
+        res.send(ticket_to_send);
+    }
+});
+
+const port = 3000;
+app.listen(port, () => {
+    console.log(`Server listening on port ${port}`);
+});