Real-time communication with frontend

- Frontend shows heatmap of most visit places - Maximum accuracy can now be set - Fix bug where battery chart filtered values wrongly
2020-10-26 23:38:34 +01:00
parent fa60f58d3c
commit e12ed7775b
20 changed files with 770 additions and 161 deletions
--- a/android/app/src/main/java/de/nicolasklier/livebeat/MainActivity.kt
+++ b/android/app/src/main/java/de/nicolasklier/livebeat/MainActivity.kt
@@ -38,6 +38,7 @@ class MainActivity : AppCompatActivity() {
    companion object {
        @JvmStatic val API_URL = "http://192.168.178.26:8040"
        var TOKEN = ""
+        var USER: User? = null
    }

    private var broadcastReceiver: BroadcastReceiver? = null
@@ -50,6 +51,7 @@ class MainActivity : AppCompatActivity() {
            val client = OkHttpClient()
            val req = Request.Builder()
                    .url("$API_URL/phone/$androidId")
+                    .header("token", TOKEN)
                    .get()
                    .build()
            val response = client.newCall(req).execute()
@@ -65,7 +67,7 @@ class MainActivity : AppCompatActivity() {
                        androidId,
                        Build.MODEL,
                        Build.PRODUCT,
-                        Build.VERSION.RELEASE,
+                        Build.VERSION.BASE_OS + " " + Build.VERSION.RELEASE + " " + Build.VERSION.CODENAME,
                        System.getProperty("os.arch")
                )
                val moshi = Moshi.Builder().add(KotlinJsonAdapterFactory()).build()
@@ -91,7 +93,6 @@ class MainActivity : AppCompatActivity() {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        setSupportActionBar(findViewById(R.id.toolbar))
-        startService(Intent(this, TrackerService::class.java))

        // Check authorization
        val backendChecks = Thread(Runnable {
@@ -119,14 +120,34 @@ class MainActivity : AppCompatActivity() {
                this.runOnUiThread(Runnable {
                    findViewById<TextView>(R.id.httpStatus).setTextColor(Color.GREEN)
                    findViewById<TextView>(R.id.httpStatus).text = "CONNECTED"
+                    findViewById<Button>(R.id.signin).isEnabled = false
+                    findViewById<Button>(R.id.signin).text = "Logged in"
                })

-                Snackbar.make(findViewById<FloatingActionButton>(R.id.fab), "Login succeeded", Snackbar.LENGTH_SHORT)
-                    .setBackgroundTint(Color.GREEN)
-                    .setActionTextColor(Color.WHITE)
-                    .show()
+                // Get all user information
+                val userinfo = Request.Builder()
+                    .url("$API_URL/user")
+                    .get()
+                    .header("Content-Type", "application/json")
+                    .header("token", TOKEN)
+                    .build()
+                val userinfoResponse = client.newCall(userinfo).execute()

-                checkIfPhoneIsRegistered()
+                if (userinfoResponse.code == 200) {
+                    val jsonToUser = moshi.adapter(User::class.java)
+                    val userInfoResponseBody = userinfoResponse.body!!.string()
+                    USER = jsonToUser.fromJson(userInfoResponseBody)
+
+                    // Only start service if authentication went good.
+                    startService(Intent(this, TrackerService::class.java))
+
+                    Snackbar.make(findViewById<FloatingActionButton>(R.id.fab), "Login succeeded", Snackbar.LENGTH_SHORT)
+                        .setBackgroundTint(Color.GREEN)
+                        .setActionTextColor(Color.WHITE)
+                        .show()
+
+                    checkIfPhoneIsRegistered()
+                }
            } else {
                // Since we are in another thread, we have to get back to the UI thread.
                this.runOnUiThread(Runnable {
@@ -158,7 +179,7 @@ class MainActivity : AppCompatActivity() {
                    findViewById<TextView>(R.id.rabbitStatus).setTextColor(Color.RED)
                }

-                if (statusHttp == 200) {
+                /*if (statusHttp == 200) {
                    findViewById<TextView>(R.id.httpStatus).text = "ONLINE (no login)"
                    findViewById<TextView>(R.id.httpStatus).setTextColor(Color.CYAN)
                    findViewById<Button>(R.id.signin).isEnabled = false
@@ -168,7 +189,7 @@ class MainActivity : AppCompatActivity() {
                    findViewById<TextView>(R.id.httpStatus).setTextColor(Color.RED)
                    findViewById<Button>(R.id.signin).isEnabled = true
                    findViewById<Button>(R.id.signin).text = "Sign in"
-                }
+                }*/
            }
        }
        registerReceiver(broadcastReceiver, IntentFilter("de.nicolasklier.livebeat"))
@@ -192,6 +213,12 @@ class MainActivity : AppCompatActivity() {
        }
    }

+    override fun onStart() {
+        super.onStart()
+
+        registerReceiver(broadcastReceiver, IntentFilter("de.nicolasklier.livebeat"))
+    }
+
    override fun onStop() {
        super.onStop()

--- a/android/app/src/main/java/de/nicolasklier/livebeat/Models.kt
+++ b/android/app/src/main/java/de/nicolasklier/livebeat/Models.kt
@@ -2,25 +2,35 @@ package de.nicolasklier.livebeat

 import com.squareup.moshi.JsonClass
 import com.squareup.moshi.ToJson
+import java.util.*

 /**
 * This class represents one singe beat that will be send to the database.
 */
 class Beat(
-    final val token: String, // Token of this phone
-    final val gpsLocation: Array<Double>,
-    final val battery: Int?,
-    final val timestamp: Long
+    val token: String, // Token of this phone
+    val gpsLocation: Array<Double>,
+    val battery: Int?,
+    val timestamp: Long
 ) {}

 class Phone(
-    final val androidId: String,
-    final val modelName: String,
-    final val displayName: String,
-    final val operatingSystem: String,
-    final val architecture: String
+    val androidId: String,
+    val modelName: String,
+    val displayName: String,
+    val operatingSystem: String,
+    val architecture: String
 ) {}

+class User(
+    val name: String,
+    val type: String,
+    val lastLogin: String,
+    val twoFASecret: String?,
+    val brokerToken: String,
+    val createdAt: String
+)
+
 class Login(
-    final val token: String
+    val token: String
 ) {}
--- a/android/app/src/main/java/de/nicolasklier/livebeat/TrackerService.kt
+++ b/android/app/src/main/java/de/nicolasklier/livebeat/TrackerService.kt
@@ -40,16 +40,12 @@ class TrackerService : Service() {
        // This thread only connects to RabbitMQ
        val connectionThread = Thread(Runnable {
            val client = OkHttpClient()
-            val req = Request.Builder()
-                .url(MainActivity.API_URL)
-                .get()
-                .build()

            val factory = ConnectionFactory()
-            factory.username = "lineage"
-            factory.password = "ZSo\$X97GQ547JXL7nGq"
+            factory.username = MainActivity.USER!!.name
+            factory.password = MainActivity.USER!!.brokerToken
            factory.virtualHost = "/"
-            factory.host = "nk-home.ddns.net"
+            factory.host = "192.168.178.26"
            factory.port = 5672
            factory.isAutomaticRecoveryEnabled = true
            try {
@@ -59,11 +55,10 @@ class TrackerService : Service() {
                val intent = Intent("de.nicolasklier.livebeat")
                val bundle = Bundle()
                bundle.putBoolean("statusRabbit", true)
-                bundle.putInt("statusHttp", client.newCall(req).execute().code)
                intent.putExtras(bundle)
                this.sendBroadcast(intent)

-                channel[0]?.queueDeclare("tracker", true, false, false, null)
+                channel[0]?.queueDeclare("tracker-" + factory.username, true, false, false, null)
                //channel[0]?.basicPublish("", "Tracker", null, "Test message".toByteArray())
                Log.i("RabbitMQ", "run: Published test message")
            } catch (e: IOException) {
@@ -83,7 +78,7 @@ class TrackerService : Service() {
        val androidId = Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID)

        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
-            locationManager.requestLocationUpdates("gps", 5000, 0f
+            locationManager.requestLocationUpdates("gps", 10000, 0f
            ) { location ->
                Log.i("Location", "Location is: " + location.latitude + " | " + location.longitude)

--- a/backend/app.ts
+++ b/backend/app.ts
@@ -1,21 +1,21 @@
 import bodyParser = require('body-parser');
 import { bold } from 'chalk';
+import * as cors from 'cors';
 import { config as dconfig } from 'dotenv';
 import * as express from 'express';
 import * as figlet from 'figlet';
 import * as mongoose from 'mongoose';
-import * as cors from 'cors';
 import { exit } from 'process';
 import * as winston from 'winston';
-import { RabbitMQ } from './lib/rabbit';

 import { config } from './config';
-import { DeleteUser, GetUser, LoginUser, MW_User, PatchUser } from './endpoints/user';
+import { GetBeat, GetBeatStats } from './endpoints/beat';
+import { GetPhone, PostPhone } from './endpoints/phone';
+import { DeleteUser, GetUser, LoginRabbitUser, LoginUser, MW_User, PatchUser, Resource, Topic, VHost } from './endpoints/user';
 import { hashPassword, randomPepper, randomString } from './lib/crypto';
+import { RabbitMQ } from './lib/rabbit';
 import { UserType } from './models/user/user.interface';
 import { User } from './models/user/user.model';
-import { GetPhone, PostPhone } from './endpoints/phone';
-import { GetBeat, GetBeatStats } from './endpoints/beat';

 // Load .env
 dconfig({ debug: true, encoding: 'UTF-8' });
@@ -107,6 +107,7 @@ async function run() {
        await User.create({
            name: 'admin',
            password: await hashPassword(randomPassword + salt + randomPepper()),
+            brokerToken: randomString(16),
            salt,
            createdAt: Date.now(),
            lastLogin: 0,
@@ -119,13 +120,6 @@ async function run() {
        logger.debug("At least one admin user already exists, skip.");
    }

-    /**
-     * Message broker
-     */
-    rabbitmq = new RabbitMQ();
-    await rabbitmq.init();
-    logger.info("Connected with message broker.");
-
    /**
     * HTTP server
     */
@@ -143,14 +137,22 @@ async function run() {
    });

    app.get('/', (req, res) => res.status(200).send('OK'));
+
+    // User authentication
+    app.post('/user/login', (req, res) => LoginUser(req, res));
+    app.get('/user/rabbitlogin', (req, res) => LoginRabbitUser(req, res));
+    app.get('/user/vhost', (req, res) => VHost(req, res));
+    app.get('/user/resource', (req, res) => Resource(req, res));
+    app.get('/user/topic', (req, res) => Topic(req, res));
+
+    // Basic user actions
    app.get('/user/', MW_User, (req, res) => GetUser(req, res));
    app.get('/user/:id', MW_User, (req, res) => GetUser(req, res));
    app.patch('/user/:id', MW_User, (req, res) => PatchUser(req, res));
    app.delete('/user/:id', MW_User, (req, res) => DeleteUser(req, res));
-    app.post('/user/login', (req, res) => LoginUser(req, res));

-    app.get('/phone', MW_User, (req, res) => GetPhone(req, res));
    app.get('/phone/:id', MW_User, (req, res) => GetPhone(req, res));
+    app.get('/phone', MW_User, (req, res) => GetPhone(req, res));
    app.post('/phone', MW_User, (req, res) => PostPhone(req, res));

    app.get('/beat/', MW_User, (req, res) => GetBeat(req, res));
@@ -159,6 +161,13 @@ async function run() {
    app.listen(config.http.port, config.http.host, () => {
        logger.info(`HTTP server is running at ${config.http.host}:${config.http.port}`);
    });
+
+    /**
+     * Message broker
+     */
+    rabbitmq = new RabbitMQ();
+    await rabbitmq.init();
+    logger.info("Connected with message broker.");
 }

 run();
--- a/backend/endpoints/beat.ts
+++ b/backend/endpoints/beat.ts
@@ -35,7 +35,7 @@ export async function GetBeat(req: LivebeatRequest, res: Response) {
                    $gte: new Date((from | 0) * 1000),
                    $lte: new Date((to | Date.now() /1000) * 1000)
                }
-            }).sort({ _id: -1 });
+            }).sort({ _id: 1 });
        res.status(200).send(beats);
    } else {
        res.status(404).send({ message: 'Phone not found' });
--- a/backend/endpoints/user.ts
+++ b/backend/endpoints/user.ts
@@ -2,10 +2,11 @@ import { Request, Response } from "express";
 import { verifyPassword } from "../lib/crypto";
 import { User } from "../models/user/user.model";
 import { sign, decode, verify } from 'jsonwebtoken';
-import { JWT_SECRET, logger } from "../app";
+import { JWT_SECRET, logger, RABBITMQ_URI } from "../app";
 import { LivebeatRequest } from '../lib/request';
 import { SchemaTypes } from "mongoose";
 import { Phone } from "../models/phone/phone.model";
+import { UserType } from "../models/user/user.interface";

 export async function GetUser(req: LivebeatRequest, res: Response) {
    let user: any = req.user;
@@ -64,6 +65,130 @@ export async function LoginUser(req: Request, res: Response) {
    res.status(200).send({ token });
 }

+/**
+ * This function handles all logins to RabbitMQ since they need a differnt type of response
+ * then requests from frontends (web and phone).
+ */
+export async function LoginRabbitUser(req: Request, res: Response) {
+    const username = req.query.username;
+    const password = req.query.password;
+
+    if (username === undefined || password === undefined) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // Check if request comes from backend. Basicly, we permitting ourself to connect with RabbitMQ.
+    if (username === "backend" && password === RABBITMQ_URI.split(':')[2].split('@')[0]) {
+        res.status(200).send('allow administrator');
+        return;
+    }
+
+    // Get user from database
+    const user = await User.findOne({ name: username.toString() });
+
+    // If we are here, it means we have a non-admin user.
+    if (user === null) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // Auth token for message broker is stored in plain text since it's randomly generated and only grants access to the broker.
+    if (user.brokerToken === password.toString()) {
+        if (user.type === UserType.ADMIN) {
+            res.status(200).send('allow administrator');
+        } else {
+            // Not an admin, grant user privilieges
+            res.status(200).send('allow user')
+        }
+        return;
+    }
+
+    res.status(200).send('deny');
+}
+
+/**
+ * This function basicly allows access to the root vhost if the user is known.
+ */
+export async function VHost(req: Request, res: Response) {
+    const vhost = req.query.vhost;
+    const username = req.query.username;
+
+    if (vhost === undefined || username === undefined) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    if (vhost != '/') {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // Check if user is us
+    if (username === 'backend') {
+        res.status(200).send('allow');
+        return;
+    }
+
+    const user = await User.findOne({ name: username.toString() });
+    if (user === null) {
+        // Deny if user doesn't exist.
+        res.status(200).send('deny');
+    } else {
+        res.status(200).send('allow');
+    }
+}
+
+export async function Resource(req: Request, res: Response) {
+    const username = req.query.username;
+    const vhost = req.query.vhost;
+    const resource = req.query.resource;
+    const name = req.query.name;
+    const permission = req.query.permission;
+    const tags = req.query.tags;
+
+    if (username === undefined || vhost === undefined || resource === undefined || name === undefined || permission === undefined || tags === undefined) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // Check if it's us
+    if (username.toString() == 'backend') {
+        res.status(200).send('allow');
+        return;
+    }
+
+    // Deny if not root vhost
+    if (vhost.toString() != '/') {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // Check if user exists
+    const user = await User.findOne({ name: username.toString() });
+    if (user == null) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    if (tags.toString() == "administrator" && user.type != UserType.ADMIN) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    // TODO: This has to change if we want to allow users to see the realtime movement of others.
+    if (resource.toString().startsWith('tracker-') && resource != 'tracker-' + username) {
+        res.status(200).send('deny');
+        return;
+    }
+
+    res.status(200).send('allow');
+}
+
+export async function Topic(req: Request, res: Response) {
+    res.status(200).send('allow');
+}
+
 /**
 * This middleware validates any tokens that are required to access most of the endpoints.
 * Note: This validation doesn't contain any permission checking. 
--- a/backend/lib/rabbit.ts
+++ b/backend/lib/rabbit.ts
@@ -30,9 +30,9 @@ export class RabbitMQ {
                return;
            }

-            logger.info(`New beat from ${phone.displayName} with ${msg.gpsLocation[2]} accuracy and ${msg.battery}% battery`)
+            logger.info(`New beat from ${phone.displayName} with ${msg.gpsLocation[2]} accuracy and ${msg.battery}% battery`);

-            Beat.create({
+            const newBeat = await Beat.create({
                phone: phone._id,
                coordinate: [msg.gpsLocation[0], msg.gpsLocation[1]],
                accuracy: msg.gpsLocation[2],
@@ -40,6 +40,8 @@ export class RabbitMQ {
                battery: msg.battery,
                createdAt: msg.timestamp
            });
+            
+            this.channel!.publish('amq.topic', '.', Buffer.from(JSON.stringify(newBeat.toJSON())));
        }, { noAck: true });
    }

--- a/backend/models/beat/beat.schema.ts
+++ b/backend/models/beat/beat.schema.ts
@@ -10,7 +10,8 @@ const schemaBeat = new Schema({
    createdAt: { type: SchemaTypes.Date, required: false }
 }, {
    timestamps: {
-        createdAt: true
+        createdAt: true,
+        updatedAt: false
    },
    versionKey: false
 });
--- a/backend/models/user/user.interface.ts
+++ b/backend/models/user/user.interface.ts
@@ -13,5 +13,6 @@ export interface IUser extends Document {
    type: UserType,
    lastLogin: Date,
    twoFASecret?: string,
+    brokerToken: string,
    createdAt?: Date
 }
--- a/backend/models/user/user.schema.ts
+++ b/backend/models/user/user.schema.ts
@@ -6,6 +6,7 @@ const schemaUser = new Schema({
    salt: { type: String, required: true },
    type: { type: String, required: true, default: 'user' },    // This could be user, admin, guest
    twoFASecret: { type: String, required: false },
+    brokerToken: { type: String, required: true },
    lastLogin: { type: Date, required: true, default: Date.now },
 }, {
    timestamps: {
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -2718,8 +2718,7 @@
    "balanced-match": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-      "dev": true
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
    },
    "base": {
      "version": "0.11.2",
@@ -2790,8 +2789,7 @@
    "base64-js": {
      "version": "1.3.1",
      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.1.tgz",
-      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==",
-      "dev": true
+      "integrity": "sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g=="
    },
    "base64id": {
      "version": "2.0.0",
@@ -2835,6 +2833,37 @@
      "integrity": "sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ==",
      "dev": true
    },
+    "bl": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.0.3.tgz",
+      "integrity": "sha512-fs4G6/Hu4/EE+F75J8DuN/0IpQqNjAdC7aEQv7Qt8MHGUH7Ckv2MwTEEeN9QehD0pfIDkMI1bkHYkKy7xHyKIg==",
+      "requires": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "5.6.1",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.1.tgz",
+          "integrity": "sha512-2z15UUHpS9/3tk9mY/q+Rl3rydOi7yMp5XWNQnRvoz+mJwiv8brqYwp9a+nOCtma6dwuEIxljD8W3ysVBZ05Vg==",
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
    "blob": {
      "version": "0.0.5",
      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
@@ -2936,7 +2965,6 @@
      "version": "1.1.11",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
      "requires": {
        "balanced-match": "^1.0.0",
        "concat-map": "0.0.1"
@@ -3239,6 +3267,15 @@
        }
      }
    },
+    "callback-stream": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/callback-stream/-/callback-stream-1.1.0.tgz",
+      "integrity": "sha1-RwGlEmbwbgbqpx/BcjOCLYdfSQg=",
+      "requires": {
+        "inherits": "^2.0.1",
+        "readable-stream": "> 1.0.0 < 3.0.0"
+      }
+    },
    "caller-callsite": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
@@ -3646,6 +3683,22 @@
      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
      "dev": true
    },
+    "commist": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/commist/-/commist-1.1.0.tgz",
+      "integrity": "sha512-rraC8NXWOEjhADbZe9QBNzLAN5Q3fsTPQtBV+fEVj6xKIgDgNiEVE6ZNfHpZOqfQ21YUzfVNUXLOEZquYvQPPg==",
+      "requires": {
+        "leven": "^2.1.0",
+        "minimist": "^1.1.0"
+      },
+      "dependencies": {
+        "leven": {
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+          "resolved": "https://registry.npmjs.org/leven/-/leven-2.1.0.tgz",
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      "version": "1.0.5",
      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -8983,7 +9199,6 @@
      "version": "1.4.0",
      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
      "requires": {
        "wrappy": "1"
      }
@@ -9106,6 +9321,14 @@
        }
      }
    },
+    "ordered-read-streams": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz",
+      "integrity": "sha1-d8DLN8QVJdZBZtmQ/61+xqDhNj4=",
+      "requires": {
+        "readable-stream": "^2.0.1"
+      }
+    },
    "original": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/original/-/original-1.0.2.tgz",
@@ -9480,8 +9703,7 @@
    "path-dirname": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/path-dirname/-/path-dirname-1.0.2.tgz",
-      "integrity": "sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=",
-      "dev": true
+      "integrity": "sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA="
    },
    "path-exists": {
      "version": "3.0.0",
@@ -9492,8 +9714,7 @@
    "path-is-absolute": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
    },
    "path-is-inside": {
      "version": "1.0.2",
@@ -10714,7 +10935,6 @@
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
-      "dev": true,
      "requires": {
        "end-of-stream": "^1.1.0",
        "once": "^1.3.1"
@@ -10724,7 +10944,6 @@
      "version": "1.5.1",
      "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-1.5.1.tgz",
      "integrity": "sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==",
-      "dev": true,
      "requires": {
        "duplexify": "^3.6.0",
        "inherits": "^2.0.3",
@@ -10735,7 +10954,6 @@
          "version": "2.0.1",
          "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
          "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
-          "dev": true,
          "requires": {
            "end-of-stream": "^1.1.0",
            "once": "^1.3.1"
@@ -11149,11 +11367,15 @@
        }
      }
    },
+    "reinterval": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/reinterval/-/reinterval-1.1.0.tgz",
+      "integrity": "sha1-M2Hs+jymwYKDOA3Qu5VG85D17Oc="
+    },
    "remove-trailing-separator": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
-      "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
-      "dev": true
+      "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8="
    },
    "repeat-element": {
      "version": "1.1.3",
@@ -12177,40 +12399,6 @@
        "websocket-driver": "0.6.5"
      }
    },
-    "sockjs-client": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/sockjs-client/-/sockjs-client-1.4.0.tgz",
-      "integrity": "sha512-5zaLyO8/nri5cua0VtOrFXBPK1jbL4+1cebT/mmKA1E1ZXOvJrII75bPu0l0k843G/+iAbhEqzyKr0w/eCCj7g==",
-      "dev": true,
-      "requires": {
-        "debug": "^3.2.5",
-        "eventsource": "^1.0.7",
-        "faye-websocket": "~0.11.1",
-        "inherits": "^2.0.3",
-        "json3": "^3.3.2",
-        "url-parse": "^1.4.3"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.2.6",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-          "dev": true,
-          "requires": {
-            "ms": "^2.1.1"
-          }
-        },
-        "faye-websocket": {
-          "version": "0.11.3",
-          "resolved": "https://registry.npmjs.org/faye-websocket/-/faye-websocket-0.11.3.tgz",
-          "integrity": "sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==",
-          "dev": true,
-          "requires": {
-            "websocket-driver": ">=0.5.1"
-          }
-        }
-      }
-    },
    "socks": {
      "version": "2.3.3",
      "resolved": "https://registry.npmjs.org/socks/-/socks-2.3.3.tgz",
@@ -12413,6 +12601,26 @@
        "extend-shallow": "^3.0.0"
      }
    },
+    "split2": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-3.2.2.tgz",
+      "integrity": "sha512-9NThjpgZnifTkJpzTZ7Eue85S49QwpNhZTq6GRJwObb6jnLFNGB7Qm73V5HewTROPyxD0C29xqmaI68bQtV+hg==",
+      "requires": {
+        "readable-stream": "^3.0.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
    "sprintf-js": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -12514,8 +12722,7 @@
    "stream-shift": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.1.tgz",
-      "integrity": "sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==",
-      "dev": true
+      "integrity": "sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ=="
    },
    "streamroller": {
      "version": "2.2.4",
@@ -12928,12 +13135,20 @@
      "version": "2.0.5",
      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
-      "dev": true,
      "requires": {
        "readable-stream": "~2.3.6",
        "xtend": "~4.0.1"
      }
    },
+    "through2-filter": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/through2-filter/-/through2-filter-3.0.0.tgz",
+      "integrity": "sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==",
+      "requires": {
+        "through2": "~2.0.0",
+        "xtend": "~4.0.0"
+      }
+    },
    "thunky": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/thunky/-/thunky-1.1.0.tgz",
@@ -12974,6 +13189,15 @@
        "os-tmpdir": "~1.0.2"
      }
    },
+    "to-absolute-glob": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
+      "integrity": "sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=",
+      "requires": {
+        "is-absolute": "^1.0.0",
+        "is-negated-glob": "^1.0.0"
+      }
+    },
    "to-array": {
      "version": "0.1.4",
      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
@@ -13169,8 +13393,7 @@
    "type": {
      "version": "1.2.0",
      "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
-      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==",
-      "dev": true
+      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg=="
    },
    "type-detect": {
      "version": "4.0.8",
@@ -13210,6 +13433,11 @@
      "integrity": "sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ==",
      "dev": true
    },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
+    },
    "unicode-canonical-property-names-ecmascript": {
      "version": "1.0.4",
      "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
@@ -13280,6 +13508,15 @@
        "imurmurhash": "^0.1.4"
      }
    },
+    "unique-stream": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-2.3.1.tgz",
+      "integrity": "sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==",
+      "requires": {
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "through2-filter": "^3.0.0"
+      }
+    },
    "universal-analytics": {
      "version": "0.4.23",
      "resolved": "https://registry.npmjs.org/universal-analytics/-/universal-analytics-0.4.23.tgz",
@@ -14273,6 +14510,15 @@
            "upath": "^1.1.1"
          }
        },
+        "faye-websocket": {
+          "version": "0.11.3",
+          "resolved": "https://registry.npmjs.org/faye-websocket/-/faye-websocket-0.11.3.tgz",
+          "integrity": "sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==",
+          "dev": true,
+          "requires": {
+            "websocket-driver": ">=0.5.1"
+          }
+        },
        "fill-range": {
          "version": "4.0.0",
          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
@@ -14408,6 +14654,31 @@
          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
          "dev": true
        },
+        "sockjs-client": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/sockjs-client/-/sockjs-client-1.4.0.tgz",
+          "integrity": "sha512-5zaLyO8/nri5cua0VtOrFXBPK1jbL4+1cebT/mmKA1E1ZXOvJrII75bPu0l0k843G/+iAbhEqzyKr0w/eCCj7g==",
+          "dev": true,
+          "requires": {
+            "debug": "^3.2.5",
+            "eventsource": "^1.0.7",
+            "faye-websocket": "~0.11.1",
+            "inherits": "^2.0.3",
+            "json3": "^3.3.2",
+            "url-parse": "^1.4.3"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.2.6",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+              "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+              "dev": true,
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            }
+          }
+        },
        "supports-color": {
          "version": "6.1.0",
          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
@@ -14599,8 +14870,7 @@
    "wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
    },
    "ws": {
      "version": "6.2.1",
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -30,6 +30,7 @@
    "moment": "^2.29.1",
    "ng2-charts": "^2.4.2",
    "ngx-mapbox-gl": "^4.8.1",
+    "ngx-mqtt": "^7.0.14",
    "rxjs": "~6.6.0",
    "tslib": "^2.0.0",
    "zone.js": "~0.10.2"
--- a/frontend/src/app/api.service.ts
+++ b/frontend/src/app/api.service.ts
@@ -1,12 +1,15 @@
 import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
 import { Injectable } from '@angular/core';
+import { MqttService } from 'ngx-mqtt';
 import { BehaviorSubject } from 'rxjs';
+import * as moment from 'moment';

 export interface ILogin {
  token: string;
 }

 export interface IBeat {
+  _id: string;
  coordinate?: number[];
  accuracy: number;
  speed: number;
@@ -35,8 +38,7 @@ export enum UserType {

 export interface IUser {
  name: string;
-  password: string;
-  salt: string;
+  brokerToken: string;
  type: UserType;
  lastLogin: Date;
  twoFASecret?: string;
@@ -67,8 +69,15 @@ export class APIService {
  private token: string;

  username: string;
-  time: ITimespan | undefined;
+  rabbitmq: any;
+  time: ITimespan | undefined = {
+    from: moment().subtract(1, 'day').unix(),
+    to: moment().unix()
+  };
+
+  // Passthough data (not useful for api but a way for components to share data)
  showFilter = true;
+  maxAccuracy: BehaviorSubject<number> = new BehaviorSubject(30);

  // Cached data
  beats: IBeat[];
@@ -79,9 +88,8 @@ export class APIService {
  phones: IPhone[];
  user: IUser = {
    name: '',
+    brokerToken: '',
    lastLogin: new Date(2020, 3, 1),
-    password: '',
-    salt: '',
    type: UserType.GUEST,
    createdAt: new Date(),
    twoFASecret: ''
@@ -95,7 +103,7 @@ export class APIService {

  API_ENDPOINT = 'http://192.168.178.26:8040';

-  constructor(private httpClient: HttpClient) { }
+  constructor(private httpClient: HttpClient, private mqtt: MqttService) {}

  async login(username: string, password: string): Promise<ILogin> {
    return new Promise<ILogin>(async (resolve, reject) => {
@@ -107,6 +115,25 @@ export class APIService {
          this.username = username;
          await this.getPhones();
          await this.getUserInfo();
+
+          // Connect with RabbitMQ after we received our user information
+          this.mqtt.connect({
+            hostname: '192.168.178.26',
+            port: 15675,
+            protocol: 'ws',
+            path: '/ws',
+            username: this.user.name,
+            password: this.user.brokerToken
+          });
+
+          this.mqtt.observe('/').subscribe(message => {
+            if (this.beats !== undefined) {
+              this.beats.push(JSON.parse(message.payload.toString()) as IBeat);
+              this.beatsEvent.next(this.beats);
+              this.beatStats.totalBeats++;
+            }
+          });
+
          await this.getBeats();
          await this.getBeatStats();
          this.loginEvent.next(true);
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -14,6 +14,7 @@ import { LoginComponent } from './login/login.component';
 import { MapComponent } from './map/map.component';
 import { UserComponent } from './user/user.component';
 import { DashboardWidgetComponent } from './dashboard-widget/dashboard-widget.component';
+import { IMqttServiceOptions, MqttModule } from 'ngx-mqtt';

@NgModule({
  declarations: [
@@ -31,6 +32,7 @@ import { DashboardWidgetComponent } from './dashboard-widget/dashboard-widget.co
    BrowserAnimationsModule,
    FormsModule,
    HttpClientModule,
+    MqttModule.forRoot({}),
    NgxMapboxGLModule.withConfig({
      accessToken: 'pk.eyJ1IjoibW9uZGVpMSIsImEiOiJja2dsY2ZtaG0xZ2o5MnR0ZWs0Mm82OTBpIn0.NzDWN3P6jJLmci_v3MM1tA'
    }),
--- a/frontend/src/app/dashboard/dashboard.component.ts
+++ b/frontend/src/app/dashboard/dashboard.component.ts
@@ -1,6 +1,7 @@
 import { AfterViewInit, Component, OnInit } from '@angular/core';
 import { ChartDataSets, ChartOptions } from 'chart.js';
 import { Label } from 'ng2-charts';
+import * as moment from 'moment';
 import { APIService, IBeat } from '../api.service';

@Component({
@@ -51,10 +52,12 @@ export class DashboardComponent implements AfterViewInit {
      this.lineChartLabels = [];

      const batteryLevels: number[] = [];
+      let currentLevel = 0;

      const finalBeats = beats.filter((val, i, array) => {
-        if (batteryLevels.indexOf(val.battery) === -1) {
+        if (currentLevel !== val.battery) {
          batteryLevels.push(val.battery);
+          currentLevel = val.battery;
          return true;
        } else {
          return false;
@@ -63,7 +66,7 @@ export class DashboardComponent implements AfterViewInit {

      finalBeats.forEach((beat) => {
        this.lineChartData[0].data.push(beat.battery);
-        this.lineChartLabels.push(this.formatDateTime(new Date(beat.createdAt)));
+        this.lineChartLabels.push(moment(new Date(beat.createdAt)).format(this.lineChartOptions.scales.xAxes[0].time.parser.toString()));
      });

      let tDistance = 0;
@@ -83,10 +86,6 @@ export class DashboardComponent implements AfterViewInit {
    });
  }

-  private formatDateTime(date: Date): string {
-    return `${date.getMonth()}/${date.getDay()}/${date.getFullYear()} ${date.getHours()}:${date.getMinutes()}:${date.getSeconds()}`;
-  }
-
  ngAfterViewInit(): void {
  }

--- a/frontend/src/app/filter/filter.component.html
+++ b/frontend/src/app/filter/filter.component.html
@@ -1,5 +1,7 @@
 <div id="filter" [ngClass]="{hide: !this.api.showFilter}" *ngIf="this.api.loginEvent.value">
    <h3 (click)="update()" style="cursor: pointer;">Refresh</h3>
+
+    <!-- Time range -->
    <select (change)="update($event.target.value)" [(ngModel)]="this.presetHours">
        <option value="-1">Today</option>
        <option value="3">Last 3h</option>
@@ -17,4 +19,8 @@
        <option value="month">Months</option>
        <option value="year">Years</option>
    </select>
+
+    <!-- Max accuracy -->
+    <h4>Max accuracy</h4>
+    <input class="customRange" (change)="updateAccuracy($event)">
 </div>
--- a/frontend/src/app/filter/filter.component.ts
+++ b/frontend/src/app/filter/filter.component.ts
@@ -40,6 +40,10 @@ export class FilterComponent implements OnInit {
    this.refresh();
  }

+  updateAccuracy(val: any): void {
+    this.api.maxAccuracy.next(Number(val.target.value));
+  }
+
  async refresh(): Promise<void> {
    await this.api.getBeats();
    await this.api.getBeatStats();
--- a/frontend/src/app/map/map.component.html
+++ b/frontend/src/app/map/map.component.html
@@ -1,5 +1,6 @@
 <mgl-map [style]="'mapbox://styles/mapbox/dark-v10'" [zoom]="[15]" [center]="[this.lastLocation[0], this.lastLocation[1]]" *ngIf="showMap">
  <mgl-geojson-source id="locHistory" [data]="data"></mgl-geojson-source>
+  <mgl-geojson-source id="locHistoryFiltered" [data]="mostVisitData"></mgl-geojson-source>
  <mgl-geojson-source id="lastLoc" [data]="lastLocationData"></mgl-geojson-source>
    <mgl-layer
        id="locHistory"
@@ -10,6 +11,12 @@
          'line-width': 3
        }"
    ></mgl-layer>
+    <mgl-layer
+        id="locHistoryHeatmap"
+        type="heatmap"
+        source="locHistoryFiltered"
+        [paint]="mostVisitPaint"
+    ></mgl-layer>
    <mgl-layer
        id="lastLoc"
        type="circle"
--- a/frontend/src/app/map/map.component.ts
+++ b/frontend/src/app/map/map.component.ts
@@ -1,5 +1,4 @@
 import { AfterViewInit, Component, OnInit } from '@angular/core';
-import { Map } from 'mapbox-gl';
 import { APIService } from '../api.service';

@Component({
@@ -7,9 +6,8 @@ import { APIService } from '../api.service';
  templateUrl: './map.component.html',
  styleUrls: ['./map.component.scss']
 })
-export class MapComponent implements AfterViewInit {
+export class MapComponent {

-  map: Map;
  lastLocation: number[] = [0, 0];
  showMap = false;

@@ -21,6 +19,79 @@ export class MapComponent implements AfterViewInit {
        geometry: { type: 'LineString', coordinates: [] }
      }]
  };
+  mostVisitData: GeoJSON.FeatureCollection<GeoJSON.LineString> = {
+    type: 'FeatureCollection',
+    features: [{
+      type: 'Feature',
+      properties: null,
+      geometry: { type: 'LineString', coordinates: [] }
+    }]
+  };
+  mostVisitPaint = {
+    // Increase the heatmap weight based on frequency and property magnitude
+    'heatmap-weight': [
+      'interpolate',
+      ['linear'],
+      ['get', 'mag'],
+      0,
+      0,
+      6,
+      1
+    ],
+    // Increase the heatmap color weight weight by zoom level
+    // heatmap-intensity is a multiplier on top of heatmap-weight
+    'heatmap-intensity': [
+      'interpolate',
+      ['linear'],
+      ['zoom'],
+      0,
+      3,
+      9,
+      1
+    ],
+    // Color ramp for heatmap.  Domain is 0 (low) to 1 (high).
+    // Begin color ramp at 0-stop with a 0-transparancy color
+    // to create a blur-like effect.
+    'heatmap-color': [
+      'interpolate',
+      ['linear'],
+      ['heatmap-density'],
+      0,
+      'rgba(33,102,172,0)',
+      0.3,
+      'rgb(103,169,207)',
+      0.4,
+      'rgb(209,229,240)',
+      0.7,
+      'rgb(253,219,199)',
+      0.95,
+      'rgb(239,138,98)',
+      1,
+      'rgb(178,24,43)'
+    ],
+    // Adjust the heatmap radius by zoom level
+    'heatmap-radius': [
+      'interpolate',
+      ['linear'],
+      ['zoom'],
+      0,
+      2,
+      7,
+      10,
+      9,
+      15
+    ],
+    // Transition from heatmap to circle layer by zoom level
+    'heatmap-opacity': [
+      'interpolate',
+      ['linear'],
+      ['zoom'],
+      16,
+      1,
+      17,
+      0
+    ]
+  };

  lastLocationData: GeoJSON.FeatureCollection<GeoJSON.Point> = {
    type: 'FeatureCollection', features: [
@@ -54,33 +125,44 @@ export class MapComponent implements AfterViewInit {
    this.api.beatsEvent.subscribe(beats => {
      if (beats.length === 0) { return; }

-      this.lastLocationPaint['circle-radius'].stops[1][1] = this.metersToPixelsAtMaxZoom(
-        beats[0].accuracy, this.lastLocation[0]
-      );
      this.update();
+
+      this.lastLocationPaint['circle-radius'].stops[1][1] = this.metersToPixelsAtMaxZoom(
+        beats[beats.length - 1].accuracy, this.lastLocation[0]
+      );
+      this.lastLocationPaint = { ...this.lastLocationPaint };
+
+      this.api.maxAccuracy.subscribe(val => {
+        this.buildMap(val);
+      });
    });
  }

-  /* Function to draw circle with exact size by
+  /* Function to draw circle with exact size from
     https://stackoverflow.com/questions/37599561/drawing-a-circle-with-the-radius-in-miles-meters-with-mapbox-gl-js
  */
  private metersToPixelsAtMaxZoom(meters: number, latitude: number): number {
    return meters / 0.075 / Math.cos(latitude * Math.PI / 180);
  }

+  /* Function to find out if a provided point is in the area from
+     https://stackoverflow.com/questions/24680247/check-if-a-latitude-and-longitude-is-within-a-circle-google-maps
+  */
+  private isPointInRadius(checkPoint: { lat: number, lng: number }, centerPoint: { lat: number, lng: number }, km: number): boolean {
+    const ky = 40000 / 360;
+    const kx = Math.cos(Math.PI * centerPoint.lat / 180.0) * ky;
+    const dx = Math.abs(centerPoint.lng - checkPoint.lng) * kx;
+    const dy = Math.abs(centerPoint.lat - checkPoint.lat) * ky;
+    return Math.sqrt(dx * dx + dy * dy) <= km;
+  }
+
  async update(): Promise<void> {
    this.data.features[0].geometry.coordinates = [];

-    // Add lines to map backwards (because it looks cool)
-    for (let i = this.api.beats.length - 1; i >= 0; i--) {
-      const beat = this.api.beats[i];
-      this.data.features[0].geometry.coordinates.push([beat.coordinate[1], beat.coordinate[0]]);
-      this.data = { ... this.data };
-    }
-    console.log('Last', this.api.beats[0]);
+    this.buildMap();

-    this.lastLocation = [ this.api.beats[0].coordinate[1],
-                          this.api.beats[0].coordinate[0] ];
+    this.lastLocation = [this.api.beats[this.api.beats.length - 1].coordinate[1],
+    this.api.beats[this.api.beats.length - 1].coordinate[0]];

    this.lastLocationData.features[0].geometry.coordinates = this.lastLocation;
    this.lastLocationData = { ...this.lastLocationData };
@@ -88,7 +170,46 @@ export class MapComponent implements AfterViewInit {
    this.showMap = true;
  }

-  async ngAfterViewInit(): Promise<void> {
+  buildMap(maxAccuracy: number = 30): void {
+    const mostVisit = new Map<string, number>();
+    this.data.features[0].geometry.coordinates = [];
+    this.mostVisitData.features[0].geometry.coordinates = [];
+
+    for (let i = 0; i < this.api.beats.length; i++) {
+      const beat = this.api.beats[i];
+      if (beat.accuracy > maxAccuracy) { continue; }
+      this.data.features[0].geometry.coordinates.push([beat.coordinate[1], beat.coordinate[0]]);
+
+      // Get most visit points
+      for (let b = 0; b < this.api.beats.length; b++) {
+        const beat2 = this.api.beats[b];
+        const isNearPoint = this.isPointInRadius(
+          { lat: beat2.coordinate[0], lng: beat2.coordinate[1] },
+          { lat: beat.coordinate[0], lng: beat.coordinate[1] },
+          0.02
+        );
+
+        if (isNearPoint) {
+          if (mostVisit.has(beat2._id)) {
+            mostVisit.set(beat2._id, mostVisit.get(beat2._id) + 1);
+          } else {
+            mostVisit.set(beat2._id, 1);
+          }
+        }
+      }
+    }
+
+    for (const [key, value] of mostVisit) {
+      if (value < 2) { continue; }
+      this.api.beats.forEach(beat => {
+        if (beat._id === key) {
+          this.mostVisitData.features[0].geometry.coordinates.push([beat.coordinate[1], beat.coordinate[0]]);
+        }
+      });
+    }
+
+    this.data = { ... this.data };
+    this.mostVisitData = { ... this.mostVisitData };
  }

 }
--- a/frontend/src/app/user/user.component.scss
+++ b/frontend/src/app/user/user.component.scss
@@ -1,6 +1,7 @@
@import '../../styles.scss';

 #user {
+    min-width: 40rem;
    margin-top: 3rem;
    margin-left: 20rem;
    margin-right: 20rem;