socket added

.gitignore

@@ -2,6 +2,7 @@
 
 # dependencies
 /node_modules
+*/node_modules
 /.pnp
 .pnp.*
 .yarn/*
@@ -31,7 +32,9 @@ yarn-error.log*
 .pnpm-debug.log*
 
 # env files (can opt-in for committing if needed)
-.env*
+.env
+.env.local
+.env.production
 
 # vercel
 .vercel
@@ -39,3 +42,12 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+
+# Build outputs
+.next/
+dist/
+build/
+
+# Logs
+*.log

backend/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "nodemon server.js",
+    "dev": "nodemon server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "all-the-cities": "^3.1.0",
+    "axios": "^1.12.2",
+    "cookie-parser": "^1.4.7",
+    "cors": "^2.8.5",
+    "dotenv": "^17.2.2",
+    "express": "^5.1.0",
+    "express-fileupload": "^1.5.2",
+    "helmet": "^8.1.0",
+    "morgan": "^1.10.1",
+    "socket.io": "^4.8.1"
+  }
+}

backend/server.js

@@ -0,0 +1,158 @@
+require("dotenv").config();
+const express = require("express");
+const http = require("http");
+const morgan = require("morgan");
+const bodyParser = require("body-parser");
+const cookieParser = require("cookie-parser");
+const fileUpload = require("express-fileupload");
+const helmet = require("helmet");
+const cors = require("cors");
+const flightStore = require("./src/stores/flightStore");
+const flighData = require("./src/modules/data.js");
+const app = express();
+const { init } = require("./src/modules/socket.js");
+const { initFlightSockets } = require("./src/controllers/flights");
+
+const RELEASE = require("./package.json").version;
+const NODE_ENV = process.env.NODE_ENV || "production";
+const NODE_PORT = process.env.NODE_PORT || 3001;
+
+app.set("port", NODE_PORT);
+app.set("env", NODE_ENV);
+app.set("ver", RELEASE);
+
+function logRequests(req, res, next) {
+  console.log(`Incoming Request: ${req.method} ${req.url}`);
+  console.log(`Origin: ${req.headers.origin}`);
+  next();
+}
+app.use(logRequests);
+
+const allowedOrigins = ["http://localhost:3000"];
+
+// if (NODE_ENV === "development" || NODE_ENV === "staging") {
+//   allowedOrigins.push("http://localhost:3000");
+// }
+
+const corsOptions = {
+  origin: function (origin, callback) {
+    if (!origin || allowedOrigins.indexOf(origin) !== -1) {
+      callback(null, true);
+    } else {
+      callback(new Error("Not allowed by CORS"));
+    }
+  },
+  allowedHeaders: [
+    "Accept-Version",
+    "Authorization",
+    "Credentials",
+    "Content-Type",
+    "baggage",
+  ],
+  credentials: true,
+  methods: "GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS",
+  optionsSuccessStatus: 204,
+};
+
+app.use(
+  helmet({
+    contentSecurityPolicy: {
+      directives: {
+        "default-src": ["'self'"],
+        "connect-src": ["'self'", "ws:", "wss:", ...allowedOrigins],
+        "script-src": ["'self'", "'unsafe-inline'"],
+      },
+    },
+  })
+);
+
+app.disable("x-powered-by");
+
+app.use(cors(corsOptions));
+
+app.use(bodyParser.json({ limit: "200mb" }));
+app.use(bodyParser.urlencoded({ extended: true, limit: "200mb" }));
+
+app.use(
+  fileUpload({
+    limits: { fileSize: 200 * 1024 * 1024 }, // 200MB
+  })
+);
+
+app.use(cookieParser());
+
+//Socket io
+const server = http.createServer(app);
+const io = init(server, {
+  cors: { origin: allowedOrigins },
+});
+initFlightSockets(io);
+
+app.options(/.*/, cors(corsOptions));
+app.set("trust proxy", true);
+
+app.use(
+  morgan(
+    ":remote-addr - :remote-user - [:date[clf]] ':method :url HTTP/:http-version' :status :res[content-length] ':referrer' ':user-agent'",
+    {
+      stream: {
+        write: (message, encoding) => {
+          console.log(message.substring(0, message.lastIndexOf("\n")));
+        },
+      },
+    }
+  )
+);
+
+setInterval(flighData.getAllFlights, 2000);
+
+const routesBasePath = require("./src/routes");
+app.use("/api/v1", routesBasePath);
+
+app.use((err, req, res, next) => {
+  console.error(err.stack); // Log the error for debugging
+  const statusCode = err.statusCode || 500;
+  const message = err.message || "Something went wrong!";
+
+  res.status(statusCode).json({
+    status: "error",
+    message: message,
+    path: req.path,
+  });
+});
+
+app.use((err, req, res, next) => {
+  console.error("Error Details:", {
+    message: err.message,
+    stack: err.stack,
+    url: req.url,
+    method: req.method,
+    ip: req.ip,
+    timestamp: new Date().toISOString(),
+  });
+
+  const statusCode = err.statusCode || err.status || 500;
+
+  const message =
+    process.env.NODE_ENV === "production"
+      ? "Internal Server Error"
+      : err.message;
+
+  res.status(statusCode).json({
+    error: message,
+    timestamp: new Date().toISOString(),
+    ...(process.env.NODE_ENV !== "production" && {
+      stack: err.stack,
+      details: err,
+    }),
+  });
+});
+
+// Set listening port
+server.listen(NODE_PORT, async () => {
+  console.log(
+    `Express Server with Socket.io started on Port: ${app.get(
+      "port"
+    )} | Environment: ${app.get("env")} | Release: ${app.get("ver")}`
+  );
+});

backend/src/controllers/flights.js

@@ -0,0 +1,61 @@
+let ioInstance = null;
+const api = require("../modules/api");
+
+async function getAllFlights(req, res, next) {
+  try {
+    return res.status(200).json(global.flighsData.ac);
+  } catch (error) {
+    next(error);
+  }
+}
+
+function initFlightSockets(io) {
+  ioInstance = io;
+
+  io.on("connection", (socket) => {
+    console.log("User connected:", socket.id);
+
+    socket.on("flightsData", (bounds) => {
+      console.log(bounds);
+      socket.bounds = bounds;
+
+      // Send initial filtered flights
+      if (global.flightsData) {
+        const filtered = filterFlightsByBounds(global.flightsData, bounds);
+        socket.emit("flightsData", { ac: filtered });
+      }
+    });
+
+    socket.on("disconnect", () => {
+      console.log("User disconnected:", socket.id);
+    });
+  });
+}
+
+function filterFlightsByBounds(flights, bounds) {
+  if (!bounds) return flights;
+  return flights.ac.filter(
+    (flight) =>
+      flight.lat <= bounds.northEast.lat &&
+      flight.lat >= bounds.southWest.lat &&
+      flight.lon <= bounds.northEast.lng &&
+      flight.lon >= bounds.southWest.lng
+  );
+}
+
+function notifyFlightsUpdate(flights) {
+  if (!ioInstance) return;
+
+  ioInstance.sockets.sockets.forEach((socket) => {
+    if (socket.bounds) {
+      const filtered = filterFlightsByBounds(flights, socket.bounds);
+      socket.emit("flightsData", { ac: filtered });
+    }
+  });
+}
+
+module.exports = {
+  getAllFlights,
+  initFlightSockets,
+  notifyFlightsUpdate,
+};

backend/src/modules/api.js

@@ -0,0 +1,134 @@
+function respond(req, res, code = 200, data = null) {
+  // Complete HTTP status code definitions
+  const STATUS_CODES = {
+    // 2xx Success
+    200: "OK",
+    201: "Created",
+    202: "Accepted",
+    204: "No Content",
+
+    // 3xx Redirection
+    301: "Moved Permanently",
+    302: "Found",
+    304: "Not Modified",
+
+    // 4xx Client Error
+    400: "Bad Request",
+    401: "Unauthorized",
+    403: "Forbidden",
+    404: "Not Found",
+    405: "Method Not Allowed",
+    409: "Conflict",
+    422: "Unprocessable Entity",
+    429: "Too Many Requests",
+
+    // 5xx Server Error
+    500: "Internal Server Error",
+    501: "Not Implemented",
+    502: "Bad Gateway",
+    503: "Service Unavailable",
+  };
+
+  // Validate status code
+  if (!Number.isInteger(code) || code < 100 || code > 599) {
+    throw new Error(`Invalid HTTP status code: ${code}`);
+  }
+
+  // Determine status category based on first digit
+  const getStatusCategory = (statusCode) => {
+    const firstDigit = Math.floor(statusCode / 100);
+    switch (firstDigit) {
+      case 2:
+        return "success";
+      case 3:
+        return "redirect";
+      case 4:
+        return "fail";
+      case 5:
+        return "error";
+      default:
+        return "unknown";
+    }
+  };
+
+  // Build base response object
+  const baseResponse = {
+    code,
+    status: getStatusCategory(code),
+    message: STATUS_CODES[code] || "Unknown Status",
+  };
+
+  // Handle different data types
+  if (data === null || data === false) {
+    // Simple status response
+    return res.status(code).json(baseResponse);
+  }
+
+  if (typeof data === "string") {
+    // String message override
+    return res.status(code).json({
+      ...baseResponse,
+      message: data,
+    });
+  }
+
+  if (typeof data === "object" && data !== null) {
+    // Handle pagination links if present
+    if (data.links && req) {
+      const baseUrl = `${req.protocol}://${req.hostname}${
+        req.originalUrl.split("?")[0]
+      }?`;
+
+      const linkFields = ["self", "first", "previous", "next", "last"];
+      linkFields.forEach((field) => {
+        if (data.links[field]) {
+          data.links[field] = baseUrl + data.links[field];
+        }
+      });
+    }
+
+    // Return merged response
+    return res.status(code).json({
+      ...baseResponse,
+      ...data,
+    });
+  }
+
+  // Fallback for unexpected data types
+  return res.status(code).json({
+    ...baseResponse,
+    data,
+  });
+}
+
+function debug(output, detail = null) {
+  // TODO: re-enable if statement below
+  if (process.env.NODE_ENV !== "production") {
+    const err = new Error();
+    const stack = err.stack.split("\n");
+    const callerLine = stack[2];
+    const callerInfo = callerLine.match(/\((.*):(\d+):\d+\)/);
+    const lineNumber = callerInfo ? callerInfo[2] : "unknown";
+    const functionName = debug.caller ? debug.caller.name : "anonymous";
+    console.log(
+      `====== Function: ${functionName} | Line: ${lineNumber} | Detail: ${detail}  ======`
+    );
+    console.log(output);
+    // //old
+    // +console.log(============= function ${debug.caller.name} ${detail ? ': ' + detail : ''} =============== );
+    // console.log(output);
+  }
+}
+// Optional: Export with additional helper methods
+module.exports = {
+  respond,
+  debug,
+  // Convenience methods for common responses
+  success: (req, res, data = null) => respond(req, res, 200, data),
+  created: (req, res, data = null) => respond(req, res, 201, data),
+  badRequest: (req, res, message = null) => respond(req, res, 400, message),
+  unauthorized: (req, res, message = null) => respond(req, res, 401, message),
+  forbidden: (req, res, message = null) => respond(req, res, 403, message),
+  notFound: (req, res, message = null) => respond(req, res, 404, message),
+  serverError: (req, res, message = null) => respond(req, res, 500, message),
+};

backend/src/modules/data.js

@@ -0,0 +1,41 @@
+const axios = require("axios");
+const api = require("./api");
+
+const { getIO } = require("./socket");
+
+const controller = {
+  flightsController: require("../controllers/flights"),
+};
+
+async function getAllFlights(req, res) {
+  try {
+    /*
+        /v2/hex/[hex]	GET	Return all aircraft with an exact match on one or more Mode S hex IDs (max ~1000 per request). 
+        /v2/callsign/[callsign]	GET	Return all aircraft exactly matching one or more callsigns. 
+        /v2/reg/[reg]	GET	Return all aircraft exactly matching one or more registrations (tail numbers). 
+        /v2/type/[type]	GET	Return all aircraft having specified ICAO aircraft type codes (e.g. “A321”, “B738”, etc.). 
+        /v2/squawk/[squawk]	GET	Return all aircraft currently squawking a specified transponder code. 
+        /v2/mil/	GET	Returns all aircraft tagged as military. 
+        /v2/ladd/	GET	Returns all aircraft tagged as LADD. (LADD = “Low Altitude Demonstration Data” / some specific tag) 
+        /v2/pia/	GET	Returns all aircraft tagged as PIA (Privacy-oriented / some masking / private-or-government address) 
+        /v2/point/[lat]/[lon]/[radius]	GET	Returns all aircraft within a given radius of a geographic point, up to 250 nautical miles radius. 
+    */
+
+    const response = await axios.get(
+      // `https://api.adsb.one/v2/mil/`
+      `https://api.adsb.one/v2/point/43.6532/-79.3832/250`
+    );
+
+    // set flights details in global.
+
+    global.flightsData = response.data;
+    controller.flightsController.notifyFlightsUpdate(global.flightsData); // tell controller to send updates
+  } catch (error) {
+    console.log(error);
+    api.respond(req, res, 404, "Error: failed to get flights information");
+  }
+}
+
+module.exports = {
+  getAllFlights,
+};

backend/src/modules/socket.js

@@ -0,0 +1,19 @@
+let io;
+const api = require("./api");
+
+function init(server, cors) {
+  const { Server } = require("socket.io");
+  io = new Server(server, {
+    cors: cors,
+  });
+  return io;
+}
+
+function getIO() {
+  if (!io) {
+    throw new Error("Socket.io not initialized!");
+  }
+  return io;
+}
+
+module.exports = { init, getIO };

backend/src/routes/flights.js

@@ -0,0 +1,15 @@
+const express = require("express");
+const router = express.Router();
+const api = require("../modules/api");
+const controllers = {
+  flightsController: require("../controllers/flights"),
+};
+
+router.use(async (req, res, next) => {
+  // run any additional pre operations
+  next();
+});
+
+router.get("/", controllers.flightsController.getAllFlights);
+
+module.exports = router;

backend/src/routes/index.js

@@ -0,0 +1,16 @@
+const express = require("express");
+const router = express.Router();
+const api = require("../modules/api");
+
+const routes = {
+  flights: require("./flights"),
+};
+
+router.use(async (req, res, next) => {
+  // run any additional pre operations
+  next();
+});
+
+router.use("/flights", routes.flights);
+
+module.exports = router;

backend/src/stores/flightStore.js

@@ -0,0 +1,293 @@
+const axios = require("axios");
+
+// stores/flightStore.js
+class FlightStore {
+  constructor() {
+    this.flights = new Map(); // flightId -> flightData
+    this.lastUpdated = new Map(); // flightId -> timestamp
+    this.subscribers = new Set(); // callback functions
+    this.updateInterval = null;
+    this.isUpdating = false;
+    this.lastApiCall = 0; // Track last API call time
+    this.minApiInterval = 1000; // 1 second between API calls
+  }
+
+  getFlight(flightId) {
+    return this.flights.get(flightId) || null;
+  }
+
+  getAllFlights() {
+    return Object.fromEntries(this.flights);
+  }
+
+  setFlight(flightId, flightData) {
+    const oldData = this.flights.get(flightId);
+    this.flights.set(flightId, flightData);
+    this.lastUpdated.set(flightId, new Date());
+
+    this.notifySubscribers("flightUpdated", {
+      flightId,
+      oldData,
+      newData: flightData,
+    });
+
+    if (global.emitFlightUpdate) {
+      global.emitFlightUpdate(flightId, flightData);
+    }
+    return flightData;
+  }
+
+  setFlights(flightsData) {
+    Object.entries(flightsData).forEach(([flightId, flightData]) => {
+      this.setFlight(flightId, flightData);
+    });
+  }
+
+  removeFlight(flightId) {
+    const removed = this.flights.delete(flightId);
+    this.lastUpdated.delete(flightId);
+
+    if (removed) {
+      this.notifySubscribers("flightRemoved", { flightId });
+    }
+    return removed;
+  }
+
+  isFlightStale(flightId, maxAgeMs = 60000) {
+    const lastUpdate = this.lastUpdated.get(flightId);
+    if (!lastUpdate) return true;
+    return Date.now() - lastUpdate.getTime() > maxAgeMs;
+  }
+
+  getStaleFlights(maxAgeMs = 60000) {
+    return Array.from(this.flights.keys()).filter((flightId) =>
+      this.isFlightStale(flightId, maxAgeMs)
+    );
+  }
+
+  subscribe(callback) {
+    this.subscribers.add(callback);
+    return () => this.subscribers.delete(callback);
+  }
+
+  notifySubscribers(event, data) {
+    this.subscribers.forEach((cb) => {
+      try {
+        cb(event, data);
+      } catch (err) {
+        console.error("Error in subscriber:", err);
+      }
+    });
+  }
+
+  startAutoUpdates(intervalMs = 1000) {
+    if (this.updateInterval) {
+      console.log("Auto updates already running");
+      return;
+    }
+
+    if (intervalMs < this.minApiInterval) {
+      console.warn(
+        `⚠️ Interval ${intervalMs}ms < API rate limit. Adjusting to ${this.minApiInterval}ms`
+      );
+      intervalMs = this.minApiInterval;
+    }
+
+    console.log(`🚀 Starting flight auto-updates every ${intervalMs}ms`);
+
+    // Do first update immediately
+    this.updateAllFlights().catch((err) =>
+      console.error("Initial update failed:", err)
+    );
+
+    // Safe async interval
+    this.updateInterval = setInterval(() => {
+      this.updateAllFlights().catch((err) =>
+        console.error("Auto update failed:", err)
+      );
+    }, intervalMs);
+  }
+
+  stopAutoUpdates() {
+    if (this.updateInterval) {
+      clearInterval(this.updateInterval);
+      this.updateInterval = null;
+      console.log("Stopped auto-updates");
+    }
+  }
+
+  async updateAllFlights() {
+    if (this.isUpdating) {
+      console.log("Update already in progress, skipping...");
+      return;
+    }
+    this.isUpdating = true;
+
+    try {
+      // Rate limiting
+      const now = Date.now();
+      const elapsed = now - this.lastApiCall;
+      if (elapsed < this.minApiInterval) {
+        await new Promise((res) =>
+          setTimeout(res, this.minApiInterval - elapsed)
+        );
+      }
+
+      this.lastApiCall = Date.now();
+      console.log("📡 Fetching flights from API...");
+      const flightsData = await this.fetchMultipleFlightsFromAPI();
+
+      if (flightsData && typeof flightsData === "object") {
+        global.emitFlightUpdate(flightsData);
+        // const changedFlights = [];
+
+        // for (const [flightId, flightData] of Object.entries(flightsData)) {
+        //   const oldData = this.flights.get(flightId);
+        //   if (!oldData || this.hasFlightDataChanged(oldData, flightData)) {
+        //     this.setFlight(flightId, flightData);
+        //     changedFlights.push(flightId);
+        //   }
+        // }
+
+        // this.notifySubscribers("allFlightsUpdated", {
+        //   totalFlights: Object.keys(flightsData).length,
+        //   changedFlights: changedFlights.length,
+        //   updatedFlightIds: changedFlights,
+        //   timestamp: new Date(),
+        // });
+      }
+    } catch (err) {
+      console.error("❌ Error updating flights:", err);
+      this.notifySubscribers("updateError", {
+        error: err.message,
+        timestamp: new Date(),
+      });
+      if (global.io) {
+        global.io.emit("flightUpdateError", {
+          error: err.message,
+          timestamp: new Date().toISOString(),
+        });
+      }
+    } finally {
+      this.isUpdating = false;
+    }
+  }
+
+  hasFlightDataChanged(oldData, newData) {
+    const fields = [
+      "status",
+      "gate",
+      "departure",
+      "arrival",
+      "delay",
+      "terminal",
+    ];
+    return fields.some(
+      (field) =>
+        JSON.stringify(oldData[field]) !== JSON.stringify(newData[field])
+    );
+  }
+
+  // ===========================
+  // API calls (mocked here)
+  // ===========================
+  async fetchMultipleFlightsFromAPI(flightIds = []) {
+    try {
+      // If you always fetch all flights near Toronto, you can ignore flightIds
+      const response = await axios.get(
+        "https://api.adsb.one/v2/point/43.6532/-79.3832/10"
+      );
+
+      // The ADSB API likely returns an array of flights, not keyed by ID
+      // console.log("======================");
+      // console.log(flightsArray);
+      // Convert to an object keyed by ICAO or flightId
+      const flightsData = response.data.ac || [];
+      const flightsMap = [];
+      Object.entries(flightsData).forEach(([flightId, flightData]) => {
+        flightsMap.push({
+          flightId: flightData.flightId || flightId,
+          callsign: flightData.callsign?.trim() || null,
+          registration: flightData.registration || null,
+          type: flightData.type || null,
+          desc: flightData.desc || null,
+          altitude: flightData.altitude || null,
+          lat: flightData.lat || null,
+          lon: flightData.lon || null,
+          track: flightData.track || null,
+          lastSeen: flightData.lastSeen || Date.now(),
+        });
+      });
+      console.log("==============================");
+      console.log(flightsMap);
+      console.log("==============================");
+      return flightsMap;
+    } catch (err) {
+      console.error("❌ Error fetching flights from ADSB:", err.message);
+      return {};
+    }
+  }
+
+  async fetchFlightFromAPI(flightId) {
+    const result = await this.fetchMultipleFlightsFromAPI([flightId]);
+    return result[flightId];
+  }
+
+  async getActiveFlightIds() {
+    return this.flights.size > 0
+      ? Array.from(this.flights.keys())
+      : ["FL001", "FL002", "FL003"];
+  }
+
+  async addMultipleFlights(flightIds) {
+    const data = await this.fetchMultipleFlightsFromAPI(flightIds);
+    const results = {};
+    for (const id of flightIds) {
+      if (data[id]) {
+        this.setFlight(id, data[id]);
+        results[id] = data[id];
+      } else {
+        results[id] = null;
+      }
+    }
+    return results;
+  }
+
+  async initializeWithFlights(flightIds = null) {
+    if (!flightIds) {
+      flightIds = await this.getActiveFlightIds();
+    }
+    if (flightIds.length === 0) return;
+
+    await this.addMultipleFlights(flightIds);
+    this.notifySubscribers("storeInitialized", {
+      flightCount: flightIds.length,
+      flights: flightIds,
+    });
+  }
+
+  // ===========================
+  // Utils
+  // ===========================
+  getStats() {
+    const stale = this.getStaleFlights().length;
+    return {
+      totalFlights: this.flights.size,
+      staleFlights: stale,
+      freshFlights: this.flights.size - stale,
+      isAutoUpdating: !!this.updateInterval,
+      isUpdating: this.isUpdating,
+      subscribers: this.subscribers.size,
+    };
+  }
+
+  clear() {
+    this.flights.clear();
+    this.lastUpdated.clear();
+    this.notifySubscribers("storeCleared", {});
+  }
+}
+
+// Singleton
+const flightStore = new FlightStore();
+module.exports = flightStore;

frontend/.gitignore

@@ -0,0 +1,41 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts

frontend/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "aero-echo",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "eslint"
+  },
+  "dependencies": {
+    "@emotion/react": "^11.14.0",
+    "@emotion/styled": "^11.14.1",
+    "@mui/icons-material": "^7.3.2",
+    "@mui/material": "^7.3.2",
+    "@types/leaflet": "^1.9.20",
+    "axios": "^1.12.2",
+    "leaflet": "^1.9.4",
+    "next": "15.5.3",
+    "react": "19.1.0",
+    "react-dom": "19.1.0",
+    "react-leaflet": "^5.0.0",
+    "react-leaflet-markercluster": "^5.0.0-rc.0",
+    "socket.io-client": "^4.8.1"
+  },
+  "devDependencies": {
+    "@eslint/eslintrc": "^3",
+    "eslint": "^9",
+    "eslint-config-next": "15.5.3"
+  }
+}

frontend/src/app/api/Api.jsx

@@ -1,20 +1,13 @@
-export async function OpenStreetGet(data) {
+export async function getFlightsApi(data) {
-  console.log("get data", data);
-
   try {
-    const response = await fetch("/api/opensky", {
+    const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/flights`, {
-      method: "POST",
+      method: "GET",
       headers: {
         "Content-Type": "application/json",
       },
-      body: JSON.stringify({
-        southWest: data.southWest,
-        northEast: data.northEast,
-      }),
     });
 
     if (!response.ok) {
-      // Only consume the response once
       let errorMessage;
       try {
         const errorData = await response.json();
@@ -26,14 +19,8 @@ export async function OpenStreetGet(data) {
       throw new Error(errorMessage);
     }
 
-    // Parse the JSON only once and store it
     const result = await response.json();
-
+    console.log(result);
-    console.log("Response data:", {
-      state: result.states,
-      time: new Date(result.time * 1000).toISOString(),
-    });
-
     return result;
   } catch (error) {
     console.error("Failed to fetch aircraft data:", error);

frontend/src/app/map/page.jsx

@@ -0,0 +1,7 @@
+import MapView from "@/views/map/page";
+
+const Map = () => {
+  return <MapView />;
+};
+
+export default Map;

frontend/src/app/utils/map.jsx

@@ -5,7 +5,6 @@ import { renderToString } from "react-dom/server";
 import { divIcon } from "leaflet";
 
 export function MapBounds({ setBoundries }) {
-  // Destructure props properly
   const map = useMap();
 
   useEffect(() => {
@@ -22,12 +21,11 @@ export function MapBounds({ setBoundries }) {
       };
 
       console.log(data);
-      setBoundries(data); // Actually call the setter function
+      setBoundries(data);
     };
 
     map.on("moveend", handleMoveEnd);
 
-    // Cleanup event listener
     return () => {
       map.off("moveend", handleMoveEnd);
     };
@@ -37,16 +35,15 @@ export function MapBounds({ setBoundries }) {
 }
 
 export const createRotatedFlightIcon = (flight) => {
-  const heading = flight[10] || 0;
+  const heading = flight.track || 0;
-  const velocity = flight[9] || 0;
+  const velocity = flight.gs || 0;
-  const altitude = flight[7] || 0;
+  const altitude = flight.alt_baro || 0;
 
-  // Different yellow shades based on flight characteristics
+  let iconColor = "#FFD700";
-  let iconColor = "#FFD700"; // Default gold yellow
   if (altitude < 1000) {
-    iconColor = "#FFC107"; // Amber for low altitude
+    iconColor = "#FFC107";
   } else if (velocity > 250) {
-    iconColor = "#F9A825"; // Darker yellow for high speed
+    iconColor = "#F9A825";
   }
 
   const iconHtml = renderToString(

frontend/src/views/map/page.jsx

@@ -0,0 +1,231 @@
+"use client";
+
+import { useEffect, useRef, useState } from "react";
+import { MapContainer, TileLayer, useMap, Pane } from "react-leaflet";
+import "leaflet/dist/leaflet.css";
+import { io } from "socket.io-client";
+import L from "leaflet";
+import { MapBounds } from "@/app/utils/map";
+
+if (typeof window !== "undefined") {
+  delete L.Icon.Default.prototype._getIconUrl;
+  L.Icon.Default.mergeOptions({
+    iconRetinaUrl:
+      "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon-2x.png",
+    iconUrl:
+      "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-icon.png",
+    shadowUrl:
+      "https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.7.1/images/marker-shadow.png",
+  });
+}
+
+const FlightsLayer = ({ flightsData, updateInterval = 5000 }) => {
+  const map = useMap();
+  const flightsRef = useRef({});
+
+  const drawMarker = (lat, lon, icon) => {
+    const longitudes = [lon, lon - 360, lon + 360];
+    return longitudes.map((lng) => {
+      const marker = L.marker([lat, lng], { icon }).addTo(map);
+      return marker;
+    });
+  };
+
+  useEffect(() => {
+    if (!map) return;
+    const now = Date.now();
+
+    flightsData.forEach((f) => {
+      if (!f.lat || !f.lon) return;
+
+      const flightId = f.hex || f.flight || `${f.lat}_${f.lon}`;
+      const direction = f.track || f.nav_heading || f.true_heading || 0;
+      const icon = createPlaneIcon(direction);
+
+      if (!flightsRef.current[flightId]) {
+        const markers = drawMarker(f.lat, f.lon, icon);
+
+        const popupContent = `
+          <strong>Flight:</strong> ${f.flight?.trim() || "Unknown"}<br>
+          <strong>Registration:</strong> ${f.r || "Unknown"}<br>
+          <strong>Aircraft:</strong> ${f.desc || f.t || "Unknown"}<br>
+          <strong>Altitude:</strong> ${f.alt_baro || "Unknown"} ft<br>
+          <strong>Speed:</strong> ${f.gs || "Unknown"} kts<br>
+          <strong>Track:</strong> ${f.track || "Unknown"}°
+        `;
+        markers[0].bindPopup(popupContent);
+
+        flightsRef.current[flightId] = {
+          prev: { lat: f.lat, lon: f.lon },
+          next: { lat: f.lat, lon: f.lon },
+          startTime: now,
+          endTime: now + updateInterval,
+          markers,
+          flightInfo: f,
+        };
+      } else {
+        const flight = flightsRef.current[flightId];
+        flight.prev = flight.next;
+        flight.next = { lat: f.lat, lon: f.lon };
+        flight.startTime = now;
+        flight.endTime = now + updateInterval;
+        flight.flightInfo = f;
+
+        const newIcon = createPlaneIcon(direction);
+
+        const popupContent = `
+          <strong>Flight:</strong> ${f.flight?.trim() || "Unknown"}<br>
+          <strong>Registration:</strong> ${f.r || "Unknown"}<br>
+          <strong>Aircraft:</strong> ${f.desc || f.t || "Unknown"}<br>
+          <strong>Altitude:</strong> ${f.alt_baro || "Unknown"} ft<br>
+          <strong>Speed:</strong> ${f.gs || "Unknown"} kts<br>
+          <strong>Track:</strong> ${f.track || "Unknown"}°
+        `;
+        flight.markers[0].setPopupContent(popupContent);
+
+        flight.markers.forEach((m, i) => {
+          const lng = f.lon + (i === 1 ? -360 : i === 2 ? 360 : 0);
+          m.setLatLng([f.lat, lng]);
+          m.setIcon(newIcon);
+        });
+      }
+    });
+
+    const currentFlightIds = new Set(
+      flightsData.map((f) => f.hex || f.flight || `${f.lat}_${f.lon}`)
+    );
+    Object.keys(flightsRef.current).forEach((flightId) => {
+      if (!currentFlightIds.has(flightId)) {
+        flightsRef.current[flightId].markers.forEach((m) => map.removeLayer(m));
+        delete flightsRef.current[flightId];
+      }
+    });
+  }, [flightsData, map, updateInterval]);
+
+  useEffect(() => {
+    let animFrame;
+    const animate = () => {
+      const now = Date.now();
+      Object.values(flightsRef.current).forEach((f) => {
+        const t = Math.min(1, (now - f.startTime) / (f.endTime - f.startTime));
+        const lat = f.prev.lat + (f.next.lat - f.prev.lat) * t;
+        const lon = f.prev.lon + (f.next.lon - f.prev.lon) * t;
+
+        f.markers.forEach((m, i) => {
+          const newLng = lon + (i === 1 ? -360 : i === 2 ? 360 : 0);
+          m.setLatLng([lat, newLng]);
+        });
+      });
+      animFrame = requestAnimationFrame(animate);
+    };
+    animFrame = requestAnimationFrame(animate);
+    return () => cancelAnimationFrame(animFrame);
+  }, []);
+
+  return null;
+};
+
+const createPlaneIcon = (heading = 0) => {
+  const html = `
+    <div style="
+      transform: rotate(${heading}deg);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 28px;
+      height: 28px;
+      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
+    ">
+      <svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
+        <path d="M21 16v-2l-8-5V3.5c0-.83-.67-1.5-1.5-1.5S10 2.67 10 3.5V9l-8 5v2l8-2.5V19l-2 1.5V22l3.5-1 3.5 1v-1.5L13 19v-5.5l8 2.5z" 
+              fill="#dc2626" 
+              stroke="#000000" 
+              stroke-width="1"
+              stroke-linejoin="round"/>
+      </svg>
+    </div>
+  `;
+  return L.divIcon({
+    html,
+    className: "",
+    iconSize: [28, 28],
+    iconAnchor: [14, 14],
+  });
+};
+
+const createSimplePlaneIcon = (heading = 0) => {
+  const html = `
+    <div style="
+      transform: rotate(${heading}deg);
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 24px;
+      height: 24px;
+      color: #dc2626;
+      font-size: 18px;
+      font-weight: bold;
+    ">
+      ✈️
+    </div>
+  `;
+  return L.divIcon({
+    html,
+    className: "",
+    iconSize: [24, 24],
+    iconAnchor: [12, 12],
+  });
+};
+
+const MapView = () => {
+  const [boundaries, setBoundaries] = useState();
+  const [flights, setFlights] = useState([]);
+  const socketRef = useRef(null);
+
+  useEffect(() => {
+    if (typeof window === "undefined") return;
+
+    socketRef.current = io(process.env.NEXT_PUBLIC_SOCKET_SERVER_URL);
+
+    socketRef.current.on("connect", () =>
+      console.log("Connected:", socketRef.current.id)
+    );
+
+    socketRef.current.on("flightsData", (data) => {
+      console.log(data);
+      setFlights(data.ac || []);
+    });
+
+    return () => {
+      if (socketRef.current) {
+        socketRef.current.disconnect();
+      }
+    };
+  }, []);
+
+  useEffect(() => {
+    if (socketRef.current && boundaries) {
+      socketRef.current.emit("flightsData", boundaries);
+    }
+  }, [boundaries]);
+
+  return (
+    <>
+      {flights && (
+        <MapContainer
+          center={[43.6532, -79.3832]}
+          zoom={9}
+          maxBoundsViscosity={4}
+          style={{ height: "100vh", width: "100%" }}
+          worldCopyJump={true}
+        >
+          <TileLayer url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png" />
+          <FlightsLayer flightsData={flights} updateInterval={2000} />
+          <MapBounds setBoundries={setBoundaries} />
+        </MapContainer>
+      )}
+    </>
+  );
+};
+
+export default MapView;

package.json

@@ -1,30 +1,15 @@
 {
-  "name": "aero-echo",
+  "name": "my-fullstack-app",
-  "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
+    "dev": "concurrently \"npm run backend:dev\" \"npm run frontend:dev\"",
-    "build": "next build",
+    "backend:dev": "cd backend && npm run dev",
-    "start": "next start",
+    "frontend:dev": "cd frontend && npm run dev",
-    "lint": "eslint"
+    "backend:start": "cd backend && npm start",
-  },
+    "frontend:start": "cd frontend && npm start",
-  "dependencies": {
+    "install:all": "cd backend && npm install && cd ../frontend && npm install"
-    "@emotion/react": "^11.14.0",
-    "@emotion/styled": "^11.14.1",
-    "@mui/icons-material": "^7.3.2",
-    "@mui/material": "^7.3.2",
-    "@types/leaflet": "^1.9.20",
-    "axios": "^1.12.2",
-    "leaflet": "^1.9.4",
-    "next": "15.5.3",
-    "react": "19.1.0",
-    "react-dom": "19.1.0",
-    "react-leaflet": "^5.0.0",
-    "react-leaflet-markercluster": "^5.0.0-rc.0"
   },
   "devDependencies": {
-    "@eslint/eslintrc": "^3",
+    "concurrently": "^8.2.2"
-    "eslint": "^9",
-    "eslint-config-next": "15.5.3"
   }
 }

src/app/api/opensky/route.js

@@ -1,111 +0,0 @@
-import axios from "axios";
-import { NextResponse } from "next/server";
-
-let accessToken = null;
-let tokenExpiry = null;
-
-// Server-side - no NEXT_PUBLIC_ prefix needed
-const CLIENT_ID = process.env.CLIENT_ID;
-const CLIENT_SECRET = process.env.CLIENT_SECRET;
-
-async function getAccessToken() {
-  console.log("Server-side env check:", {
-    hasClientId: !!CLIENT_ID,
-    hasClientSecret: !!CLIENT_SECRET,
-  });
-
-  if (!CLIENT_ID || !CLIENT_SECRET) {
-    throw new Error("Missing OAuth credentials in server environment");
-  }
-
-  if (accessToken && tokenExpiry && Date.now() < tokenExpiry) {
-    return accessToken;
-  }
-
-  try {
-    console.log("Requesting new OAuth2 token...");
-
-    const response = await axios.post(
-      "https://auth.opensky-network.org/auth/realms/opensky-network/protocol/openid-connect/token",
-      new URLSearchParams({
-        grant_type: "client_credentials",
-        client_id: CLIENT_ID,
-        client_secret: CLIENT_SECRET,
-      }),
-      {
-        headers: {
-          "Content-Type": "application/x-www-form-urlencoded",
-        },
-        timeout: 15000,
-      }
-    );
-
-    accessToken = response.data.access_token;
-    const expiresIn = response.data.expires_in || 3600;
-    tokenExpiry = Date.now() + expiresIn * 1000 - 60000;
-
-    console.log(`✅ OAuth2 token acquired, expires in ${expiresIn} seconds`);
-    return accessToken;
-  } catch (error) {
-    console.error("❌ Failed to get OAuth2 token:", {
-      status: error.response?.status,
-      data: error.response?.data,
-      message: error.message,
-    });
-    throw new Error(`OAuth2 authentication failed: ${error.message}`);
-  }
-}
-
-export async function POST(request) {
-  try {
-    const body = await request.json();
-    const { southWest, northEast } = body;
-
-    const params = {
-      lamin: southWest?.lat || 40,
-      lamax: northEast?.lat || 50,
-      lonmin: southWest?.lng || -10,
-      lonmax: northEast?.lng || 10,
-    };
-
-    console.log("API Parameters:", params);
-
-    const token = await getAccessToken();
-
-    const response = await axios.get(
-      `https://opensky-network.org/api/states/all?lamin=${southWest?.lat}&lamax=${northEast?.lat}&lomin=${southWest?.lng}&lomax=${northEast?.lng}`,
-      {
-        headers: {
-          Authorization: `Bearer ${token}`,
-          "User-Agent": "NextJS-App/1.0",
-        },
-        timeout: 30000,
-      }
-    );
-
-    console.log("✅ Authenticated request successful");
-    console.log("Response data:", {
-      statesCount: response.data.states || 0,
-      time: new Date(response.data.time * 1000).toISOString(),
-    });
-
-    return NextResponse.json(response.data);
-  } catch (error) {
-    console.error("❌ API Request failed:", error.message);
-    return NextResponse.json(
-      {
-        error: error.message,
-        details: error.response?.data,
-      },
-      { status: 500 }
-    );
-  }
-}
-
-// Optional: Add GET method for testing
-export async function GET() {
-  return NextResponse.json({
-    message: "OpenSky API endpoint is working",
-    timestamp: new Date().toISOString(),
-  });
-}

src/app/map/page.jsx

@@ -1,8 +0,0 @@
-import MapView from '@/views/map/page';
-
-
-const Map = () => {
- return <MapView/>
-};
-
-export default Map;

src/controllers/flights.js

@@ -0,0 +1,63 @@
+const axios = require("axios");
+
+const CLIENT_ID = process.env.CLIENT_ID;
+const CLIENT_SECRET = process.env.CLIENT_SECRET;
+let accessToken = null;
+let tokenExpiry = null;
+
+async function getAccessToken() {
+  if (!CLIENT_ID || !CLIENT_SECRET) {
+    throw new Error("Missing OAuth credentials in server environment");
+  }
+
+  if (accessToken && tokenExpiry && Date.now() < tokenExpiry) {
+    return accessToken;
+  }
+
+  try {
+    const response = await axios.post(
+      "https://auth.opensky-network.org/auth/realms/opensky-network/protocol/openid-connect/token",
+      new URLSearchParams({
+        grant_type: "client_credentials",
+        client_id: CLIENT_ID,
+        client_secret: CLIENT_SECRET,
+      }),
+      {
+        headers: {
+          "Content-Type": "application/x-www-form-urlencoded",
+        },
+        timeout: 15000,
+      }
+    );
+
+    accessToken = response.data.access_token;
+    const expiresIn = response.data.expires_in || 3600;
+    tokenExpiry = Date.now() + expiresIn * 1000 - 60000;
+
+    return accessToken;
+  } catch (error) {
+    console.error("❌ Failed to get OAuth2 token:", {
+      status: error.response?.status,
+      data: error.response?.data,
+      message: error.message,
+    });
+    throw new Error(`OAuth2 authentication failed: ${error.message}`);
+  }
+}
+
+async function getAllFlights(req, res) {
+  try {
+    const response = await axios.get(
+      `https://api.adsb.one/v2/point/43.6532/-79.3832/250`
+    );
+    console.log(response);
+
+    return res.status(200).json(response.data.ac);
+  } catch (error) {
+    return res.status(404).message("Error: failed to get flights information");
+  }
+}
+
+module.exports = {
+  getAllFlights,
+};

src/routes/flights.js

@@ -0,0 +1,15 @@
+const express = require("express");
+const router = express.Router();
+
+const controllers = {
+  flights: require("../controllers/flights"),
+};
+
+router.use(async (req, res, next) => {
+  // run any additional pre operations
+  next();
+});
+
+router.use("/", controllers.flights.getAllFlights);
+
+module.exports = router;

src/routes/index.js

@@ -0,0 +1,14 @@
+const express = require("express");
+const router = express.Router();
+
+const routes = {
+  flights: require("./flights"),
+};
+
+router.use(async (req, res, next) => {
+  next();
+});
+
+router.use("/flights", routes.flights);
+
+module.exports = router;

src/views/map/page.jsx

@@ -1,71 +0,0 @@
-"use client";
-
-import { useEffect, useRef, useState } from "react";
-import { MapContainer, TileLayer, useMap, Marker, Popup } from "react-leaflet";
-import "leaflet/dist/leaflet.css";
-import { createRotatedFlightIcon, MapBounds } from "@/app/utils/map";
-import { OpenStreetGet } from "@/app/api/Api";
-
-// Example usage component
-const MapView = () => {
-  const [bounderies, setBoundries] = useState();
-  const [flights, setFlights] = useState();
-  const sampleMarkers = [
-    {
-      lat: 51.505,
-      lng: -0.09,
-      popup: "<b>London</b><br>Capital of England",
-    },
-    {
-      lat: 51.51,
-      lng: -0.1,
-      popup: "<b>Westminster</b><br>Government district",
-    },
-  ];
-
-  useEffect(() => {
-    console.log("Boundaries updated:", bounderies);
-    if (bounderies) {
-      getFlights();
-      console.log(bounderies);
-    }
-  }, [bounderies]); // Add bounderies as dependency
-
-  const getFlights = async () => {
-    await OpenStreetGet(bounderies).then((resp) => {
-      console.log(resp);
-      setFlights(resp.states);
-    });
-    console.log("flights:", flights);
-  };
-
-  const position = [43.6792, -79.6178];
-  return (
-    <MapContainer
-      center={[43.6532, -79.3832]} // Toronto
-      zoom={13}
-      style={{ height: "100vh", width: "100%" }}
-    >
-      <TileLayer url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png" />
-      {flights &&
-        flights.map((flight, index) => {
-          console.log(flight);
-          const position = [flight[6], flight[5]];
-          return (
-            <Marker
-              icon={createRotatedFlightIcon(flight)}
-              key={index}
-              position={position}
-            >
-              <Popup>
-                A pretty CSS3 popup. <br /> Easily customizable.
-              </Popup>
-            </Marker>
-          );
-        })}
-      <MapBounds setBoundries={setBoundries} />
-    </MapContainer>
-  );
-};
-
-export default MapView;