how to install mongoose
$ npm install mongoosehow to install mongoose
$ npm install mongoosemongoose add document
const Product = require('../models/product.js');
const product = new Product();
product.save()
.then(doc => {})
.catch(err => {});mongoose query with function(req, res, next)
router.post('/travellers',
passport.authenticate('jwt', { "session": false }), function(req, res, next) {
var pickup_location = req.body.pickup_location;
var delivery_location = req.body.delivery_location;
var date = req.body.date;
var sender = req.user._id;
var locals = {
travellers: [],
senders: []
};
async.series([
// Load travels first
function(callback) {
Travel.find({ "date": date }, function (err, travels) {
if (err) return callback(err);
locals.travels = travels;
callback();
});
},
// Load users (won't be called before task 1's "task callback" has been called)
function(callback) {
async.forEach(locals.travels, function (travel, callback) {
User.findById(travel.traveller, function (err, user) {
if (err) return callback(err);
data = {
"name": user.name,
"email": user.email,
"phone": user.phone,
"image_url": user.image_url,
"type": "traveller"
};
console.log(data);
local.travellers.push(data);
callback();
});
}, function (err) {
if (err) return callback(err);
callback();
});
}
], function(err) { /* This function gets called after
the two tasks have called their "task callbacks" */
if (err) return next(err);
//Here locals will be populated with `travellers` and `senders`
//Just like in the previous example
console.log(locals);
console.log(locals.travellers);
res.json(locals.travellers);
});
});Copyright © 2021 Codeinu
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