added mock server for frontedn dev

web/mock/server.js

@@ -0,0 +1,83 @@
+import express from "express";
+import bodyParser from "body-parser";
+
+const app = express();
+const port = 3000;
+
+app.use(bodyParser.json());
+
+let mappings = [
+  [
+    "123456789ABC",
+    {
+      first: "Feuerwehrman",
+      last: "Sam",
+    },
+  ],
+];
+
+function generateRandomId() {
+  const chars = "ABCDEF0123456789";
+  let id = "";
+  for (let i = 0; i < 12; i++) {
+    id += chars.charAt(Math.floor(Math.random() * chars.length));
+  }
+  return id;
+}
+
+// GET /api/mapping
+app.get("/api/mapping", (req, res) => {
+  res.json(mappings);
+});
+
+// POST /api/mapping
+app.post("/api/mapping", (req, res) => {
+  const { id, name } = req.body;
+
+  if (!id || !name || !name.first || !name.last) {
+    return res.status(400).json({ error: "Invalid request body" });
+  }
+
+  // Check if ID already exists
+  const existing = mappings.find((entry) => entry[0] === id);
+  if (existing) {
+    return res.status(409).json({ error: "ID already exists" });
+  }
+
+  // Add new mapping
+  mappings.push([id, name]);
+
+  res.status(201).send("");
+});
+
+
+// SSE route: /api/idevent
+app.get("/api/idevent", (req, res) => {
+  // Set headers for SSE
+  res.setHeader("Content-Type", "text/event-stream");
+  res.setHeader("Cache-Control", "no-cache");
+  res.setHeader("Connection", "keep-alive");
+
+  res.flushHeaders(); // flush the headers to establish SSE connection
+
+  // Send initial event
+  const sendEvent = () => {
+    const id = generateRandomId();
+    res.write(`data: ${id}\n\n`);
+  };
+
+  // Send immediately and then every 10 seconds
+  sendEvent();
+  const interval = setInterval(sendEvent, 10000);
+
+  // When client closes connection, stop interval
+  req.on("close", () => {
+    clearInterval(interval);
+    res.end();
+  });
+});
+
+// Start the server
+app.listen(port, () => {
+  console.log(`Mock API server running at http://localhost:${port}`);
+});