initial commit

Author: hdsharma86

.gitignore

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+node_modules
+config

README.md

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+# README #
+
+This README would normally document whatever steps are necessary to get your application up and running. 
+Production URL : https://nodejs-task-app.herokuapp.com
+
+### What is this repository for? ###
+
+* Quick summary
+* Version
+* [Learn Markdown](https://bitbucket.org/tutorials/markdowndemo)
+
+### How do I get set up? ###
+
+* Summary of set up
+* Configuration
+* Dependencies
+* Database configuration
+* How to run tests
+* Deployment instructions
+
+### Contribution guidelines ###
+
+* Writing tests
+* Code review
+* Other guidelines
+
+### Who do I talk to? ###
+
+* Repo owner or admin
+* Other community or team contact

crud.js

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+// CRUD: Create, Read, Update, Delete
+const { MongoClient, ObjectId } = require('mongodb');
+
+const connectionURI = "mongodb://127.0.0.1:27017";
+const database = "task-manager";
+
+const id = new ObjectId();
+//console.log(id);
+//console.log(id.getTimestamp());
+
+MongoClient.connect(connectionURI, {useNewUrlParser:true}, (error, client) => {
+    if(error){
+        return console.log("Error establishing connection...");
+    }
+
+    const db = client.db(database);
+
+    db.collection('users').deleteMany({
+        age: 31
+    }).then((result) => {
+        console.log(result);
+    }).catch((error) => {
+        console.log(error);
+    });
+
+    /*db.collection('tasks').updateMany({
+        completed:false
+    },{
+        $set:{
+            completed: true
+        }
+    }).then((result)=>{
+        console.log(result);
+    }).catch((error)=>{
+        console.log(error);
+    });*/
+
+    /*db.collection('users').update({
+        _id:new ObjectId("5ce293c0511eb823016c9fa0")
+    },{
+       $set:{name:"Hardy Wilson"} 
+    }).then((result)=>{
+        console.log(result);
+    }).catch((error)=>{
+        console.log(error);
+    });*/
+
+    /*db.collection('users').findOne({_id:new ObjectId("5ce2917252a5a721aafed448")}, (error, result) => {
+        console.log(result);
+    });
+
+    db.collection('users').find({age:32}).toArray((error, result) => {
+        console.log(result);
+    });*/
+
+    /*db.collection('users').insertOne({
+        _id: id,
+        name: 'Hardev1 Sharma1',
+        age: 31
+    }, (error, result) => {
+        if(error){
+            return console.log("Unable to insert document...");
+        }
+        console.log(result.ops);
+    });*/
+
+    /*db.collection('users').insertMany([
+        {name: 'Sunil Kumar', age: 25},
+        {name: 'Harry', age: 33}
+    ], (error, result) => {
+        if(error){
+            return console.log('Unable to insert documents...');
+        }
+        console.log(result.ops);
+    });*/
+
+    /*db.collection('tasks').insertMany([
+        {description: 'House Cleaning', completed: true},
+        {description: 'Gardening', completed: false},
+        {description: 'Run Tution Classes', completed: true}
+    ], (error, result) => {
+        if(error){
+            return console.log('Data insertion error!');
+        }
+        console.log(result.ops);
+    });*/
+});