user joke database control file

+const MongoClient = require('mongodb').MongoClient;
+const jokedoc = require('../joke_data/user.json');
+const dbname =  'userdb';
+const collec = 'user';
+const dboperation = require('./operations.js');
+var url = "mongodb://localhost:27017/userdb";
+
+//Create database
+MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) {
+  if (err) throw err;
+  console.log("Database created!");
+  db.close();
+});
+
+//Create collection
+MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) {
+    if (err) throw err;
+    var dbo = db.db("userdb");
+    dbo.createCollection("user", function(err, res) {
+      if (err) throw err;
+      console.log("Collection created!");
+      db.close();
+    });
+  });
+
+
+//Storing data jokes.json data into mongodb
+MongoClient.connect(url,{ useNewUrlParser: true }).then((client) => {
+
+    console.log('Connected correctly to server');
+ 
+ 
+    const db = client.db(dbname);
+
+    dboperation.insertDocument(db, jokedoc, collec)
+        .then((result) => {
+            console.log("Inserted Document:\n", result.ops);
+
+            return dboperation.findDocuments(db, collec);
+        })
+        .catch((err) => console.log(err));
+
+})
+.catch((err) => console.log(err));
+
+
+
+
+
+
+
+