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app.js
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var express = require("express"),
app = express(),
engines = require("consolidate"),
//MongoClient = require('mongodb').MongoClient,
assert = require("assert"),
bodyParser = require("body-parser");
var mongo = require('mongodb'),
Server = mongo.Server,
Db = mongo.Db,
ObjectId = mongo.ObjectID;;
app.engine('html', engines.nunjucks);
app.set('view engine', 'html');
app.set('views', __dirname + '\\views');
app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
var server = new Server('localhost', 27017, {auto_reconnect: true});
var db = new Db('video', server);
function errorHandler(err, req, res, next) {
console.log(err.message);
console.log(err.stack);
res.status(500);
res.render('error_template', {"error" : err.message});
}
app.use(errorHandler);
db.open(function(err, db) {
if(!err) {
console.log("We are connected");
}
});
app.get('/', function(req, res) {
db.collection('movies', function(err, collectionref) {
// find all documents in a collection that have foo: "bar"
var cursor = collectionref.find({});
cursor.toArray(function(err, docs) {
// gets executed once all items are retrieved
res.render('movie', {'movies': docs});
});
});
});
//Delete data: Not working
app.get('/delete', function(req, res) {
var id = req.query.id;
console.log("Id to delete :- "+id);
db.collection('movies', {}, function(err, collectionref) {
collectionref.remove({_id: ObjectId(id)}, function(err, result) {
if (err) {
console.log("Error :"+err);
}
console.log("Result: "+result);
//db.close();
});
});
});
//Post call
app.post('/add_movie', function(req, res, next) {
var title = req.body.title;
var year = req.body.year;
var imdb = req.body.imdb;
if((typeof title != 'undefined' && title != "") && (typeof year != 'undefined' && year != "") &&
(typeof imdb != 'undefined' && imdb != "") ) {
// retrieve a collection reference
db.collection('movies', function(err, collectionref) {
// insert a document into a collection
var movieDoc = {"title":title, "year":year, "imdb" : imdb};
collectionref.insert(movieDoc, function (err, result) {
// this is an asynchroneous operation
console.log("Movie doc added");
res.send("New Movie is added");
});
});
} else {
next(Error("Please enter all the values."));
}
});
var server = app.listen(3000, function() {
var port = server.address().port;
console.log("Listening at port: "+port);
});