set up web socket server in server.ts

server/package-lock.json

@@ -26,6 +26,14 @@
         "@types/node": "*"
       }
     },
+    "@types/bson": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.3.tgz",
+      "integrity": "sha512-mVRvYnTOZJz3ccpxhr3wgxVmSeiYinW+zlzQz3SXWaJmD1DuL05Jeq7nKw3SnbKmbleW5qrLG5vdyWe/A9sXhw==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/connect": {
       "version": "3.4.33",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.33.tgz",
@@ -66,6 +74,15 @@
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.3.tgz",
       "integrity": "sha512-Jus9s4CDbqwocc5pOAnh8ShfrnMcPHuJYzVcSUU7lrh8Ni5HuIqX3oilL86p3dlTrk0LzHRCgA/GQ7uNCw6l2Q=="
     },
+    "@types/mongodb": {
+      "version": "3.6.18",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.18.tgz",
+      "integrity": "sha512-JSVFt9p0rTfZ4EgzXmVHUB3ue00xe3CRbQho8nXfImzEDDM4O7I3po1bwbWl/EIbLENxUreZxqLOc8lvcnLVPA==",
+      "requires": {
+        "@types/bson": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/multer": {
       "version": "1.4.5",
       "resolved": "https://registry.npmjs.org/@types/multer/-/multer-1.4.5.tgz",
@@ -197,6 +214,49 @@
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.1.0.tgz",
       "integrity": "sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ=="
     },
+    "bl": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
+      "requires": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
+    "bluebird": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -246,6 +306,11 @@
         "fill-range": "^7.0.1"
       }
     },
+    "bson": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
+      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg=="
+    },
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -500,6 +565,11 @@
       "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.1.3.tgz",
       "integrity": "sha512-0ISdNousHvZT2EiFlZeZAHBUvSxmKswVCEf8hW7KWgG4a8MVEu/3Vb6uWYozkjylyCxe0JBIiRB1jV45S70WVQ=="
     },
+    "denque": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
+      "integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ=="
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -845,6 +915,11 @@
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.0.tgz",
       "integrity": "sha1-Wx85evx11ne96Lz8Dkfh+aPZqJg="
     },
+    "kareem": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.2.tgz",
+      "integrity": "sha512-STHz9P7X2L4Kwn72fA4rGyqyXdmrMSdxqHx9IXon/FXluXieaFA6KJ2upcHAHxQPQ0LeM/OjLrhFxifHewOALQ=="
+    },
     "keyv": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-3.1.0.tgz",
@@ -891,6 +966,12 @@
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
       "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
     },
+    "memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "optional": true
+    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -945,6 +1026,95 @@
         "minimist": "^1.2.5"
       }
     },
+    "mongodb": {
+      "version": "3.6.9",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.9.tgz",
+      "integrity": "sha512-1nSCKgSunzn/CXwgOWgbPHUWOO5OfERcuOWISmqd610jn0s8BU9K4879iJVabqgpPPbA6hO7rG48eq+fGED3Mg==",
+      "requires": {
+        "bl": "^2.2.1",
+        "bson": "^1.1.4",
+        "denque": "^1.4.1",
+        "optional-require": "^1.0.3",
+        "safe-buffer": "^5.1.2",
+        "saslprep": "^1.0.0"
+      }
+    },
+    "mongoose": {
+      "version": "5.12.14",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.12.14.tgz",
+      "integrity": "sha512-1lMRY8cfGYFWHqe5DLnVgNQDyD0fEbSoWIQe9Mllt/ZtayZ5XUFQt+o5VKrB44vsT5cLNzgwEFO0NvwTwqLluQ==",
+      "requires": {
+        "@types/mongodb": "^3.5.27",
+        "bson": "^1.1.4",
+        "kareem": "2.3.2",
+        "mongodb": "3.6.8",
+        "mongoose-legacy-pluralize": "1.0.2",
+        "mpath": "0.8.3",
+        "mquery": "3.2.5",
+        "ms": "2.1.2",
+        "regexp-clone": "1.0.0",
+        "safe-buffer": "5.2.1",
+        "sift": "13.5.2",
+        "sliced": "1.0.1"
+      },
+      "dependencies": {
+        "mongodb": {
+          "version": "3.6.8",
+          "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.8.tgz",
+          "integrity": "sha512-sDjJvI73WjON1vapcbyBD3Ao9/VN3TKYY8/QX9EPbs22KaCSrQ5rXo5ZZd44tWJ3wl3FlnrFZ+KyUtNH6+1ZPQ==",
+          "requires": {
+            "bl": "^2.2.1",
+            "bson": "^1.1.4",
+            "denque": "^1.4.1",
+            "optional-require": "^1.0.3",
+            "safe-buffer": "^5.1.2",
+            "saslprep": "^1.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        }
+      }
+    },
+    "mongoose-legacy-pluralize": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
+      "integrity": "sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ=="
+    },
+    "mpath": {
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.3.tgz",
+      "integrity": "sha512-eb9rRvhDltXVNL6Fxd2zM9D4vKBxjVVQNLNijlj7uoXUy19zNDsIif5zR+pWmPCWNKwAtqyo4JveQm4nfD5+eA=="
+    },
+    "mquery": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-3.2.5.tgz",
+      "integrity": "sha512-VjOKHHgU84wij7IUoZzFRU07IAxd5kWJaDmyUzQlbjHjyoeK5TNeeo8ZsFDtTYnSgpW6n/nMNIHvE3u8Lbrf4A==",
+      "requires": {
+        "bluebird": "3.5.1",
+        "debug": "3.1.0",
+        "regexp-clone": "^1.0.0",
+        "safe-buffer": "5.1.2",
+        "sliced": "1.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -1041,6 +1211,11 @@
         "wrappy": "1"
       }
     },
+    "optional-require": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
+      "integrity": "sha512-RV2Zp2MY2aeYK5G+B/Sps8lW5NHAzE5QClbFP15j+PWmP+T9PxlJXBOOLoSAdgwFvS4t0aMR4vpedMkbHfh0nA=="
+    },
     "p-cancelable": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/p-cancelable/-/p-cancelable-1.1.0.tgz",
@@ -1171,6 +1346,11 @@
         "picomatch": "^2.2.1"
       }
     },
+    "regexp-clone": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
+      "integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
+    },
     "registry-auth-token": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-4.2.1.tgz",
@@ -1205,6 +1385,15 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "saslprep": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
+      "optional": true,
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -1268,11 +1457,21 @@
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
       "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
     },
+    "sift": {
+      "version": "13.5.2",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
+      "integrity": "sha512-+gxdEOMA2J+AI+fVsCqeNn7Tgx3M9ZN9jdi95939l1IJ8cZsqS8sqpJyOkic2SJk+1+98Uwryt/gL6XDaV+UZA=="
+    },
     "signal-exit": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
       "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA=="
     },
+    "sliced": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
+      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -1287,6 +1486,15 @@
         "source-map": "^0.6.0"
       }
     },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",

server/package.json

@@ -13,11 +13,14 @@
   "license": "ISC",
   "dependencies": {
     "@types/express": "^4.17.9",
+    "@types/mongodb": "^3.6.18",
     "@types/node": "^14.14.10",
     "@types/systeminformation": "^3.54.1",
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "express": "^4.17.1",
+    "mongodb": "^3.6.9",
+    "mongoose": "^5.12.14",
     "multer": "^1.4.2",
     "nodemon": "^2.0.6",
     "systeminformation": "^5.6.12",

server/public/index.html

-<h1>Real Time Messaging</h1>
-<pre id="messages" style="height: 400px; overflow: scroll"></pre>
-<input type="text" id="messageBox" placeholder="Type your message here" style="display: block; width: 100%; margin-bottom: 10px; padding: 10px;" />
-<button id="send" title="Send Message!" style="width: 100%; height: 30px;">Send Message</button>
+<html>
+  <h1>Real Time Messaging</h1>
+  <pre id="messages" style="height: 400px; overflow: scroll"></pre>
+  <input type="text" id="messageBox" placeholder="Type your message here" style="display: block; width: 100%; margin-bottom: 10px; padding: 10px;" />
+  <button id="send" title="Send Message!" style="width: 100%; height: 30px;">Send Message</button>
+</html>
 
 <script>
-  (function() {
+  (
+    function() {
     const sendBtn = document.querySelector('#send');
     const messages = document.querySelector('#messages');
     const messageBox = document.querySelector('#messageBox');
@@ -22,6 +25,7 @@
         ws.onerror = ws.onopen = ws.onclose = null;
         ws.close();
       }
+  
 
       ws = new WebSocket('ws://localhost:6868');
       ws.onopen = () => {
@@ -39,7 +43,7 @@
         return ;
       }
 
-      ws.send(messageBox.value);
+      ws.send( messageBox.value);
       showMessage(messageBox.value);
     }
 

server/src/server.ts

@@ -4,7 +4,6 @@ import * as express from "express";
 import { patientRoutes } from "./routes/patientRoutes";
 import { dataRoutes } from "./routes/dataRoutes";
 import * as cors from "cors";
-import multer = require("multer");
 import WebSocket = require("ws");
 
 // Express Server Typescript
@@ -19,7 +18,7 @@ class Server {
         this.config();
         this.routes();
     }
-
+    // add middelwares
     public config(): void {
         this.app.set("port", process.env.PORT || 3000);
         // data is saved as objects in an array, objects contain timestamp and dataobject
@@ -27,7 +26,7 @@ class Server {
         this.app.use(express.json());
         this.app.use(express.urlencoded({ extended: false }));
         this.app.use(cors()) //nesssary for allow the client side acsses the backend
-        this.app.use(express.static('public'));
+        this.app.use(express.static('public'))
 
         //this.app.use(bodyParser.json());
         //this.app.use(bodyParser.urlencoded({ extended: true }));
@@ -71,10 +70,11 @@ wss.on('connection', function connection(ws) {
     })
   })
 })
-
+// create a websocket server
 wSserver.listen(port, function() {
   console.log(`Server is listening on ${port}!`)
 })
 
 const server = new Server();
 server.start(server.serv, 3000); // server.serv is httpServer, 3000 Portnumber
+