Sample Express App to handle apple wallet generation and updation

gistfile1.txt

// This is sample gist to handle wallet updates and workflow of wallet

var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
mongoose.connect('url');

var Schema = mongoose.Schema,
    ObjectId = Schema.ObjectId;

var PassDeviceSchema = new Schema({
    passTypeIdentifier: String,
    serialNumber: String
})

var DeviceSchema = new Schema({
    author: ObjectId,
    deviceId: String,
    pushToken: String,
    passes: [PassDeviceSchema]
});

var PassSchema = new Schema({
    passTypeIdentifier: String,
    serialNumber: String
})

var LogTableSchema = new Schema({
    passesUpdatedSince: String,
    deviceId: String,
    message: String
})



var DeviceModel = mongoose.model('Device', DeviceSchema);
var PassModel = mongoose.model('Pass', PassSchema);
var LogModel = mongoose.model('Log', LogTableSchema);
// configure the app to use bodyParser()
app.use(bodyParser.urlencoded({
    extended: true
}));
app.use(bodyParser.json());

app.get('/v1/devices/:deviceLibraryIdentifier/registrations/:passTypeIdentifier', (req, res) => {
    var _log = new LogModel();
    var currentDate = new Date()
    _log.passesUpdatedSince = req.query.passesUpdatedSince;
    _log.deviceId = req.params.deviceLibraryIdentifier;
    _log.message = "Recieved push notifications";
    _log.save((err) => {
        var data = { lastUpdated: currentDate.toDateString(), serialNumbers: ['E5982H-I2'] }
        res.status(200).send(data);
    })

})

app.get('/v1/passes/:passTypeIdentifie/:serialNumber', (req, res) => {
    var options = {
        root: __dirname,
        headers: {
            'x-timestamp': Date.now(),
            'x-sent': true,
            'Content-Type': 'application/vnd.apple.pkpass'
        }
    };
    res.sendFile('BoardinPass.pkpass', options, (err) => {
        if (err) {
            res.status(err.status).end();
        }
        else {
            console.log('Sent:', 'BoardinPass.pkpass');
        }
    })
})
app.post('/v1/devices/:deviceLibraryIdentifier/registrations/:passTypeIdentifier/:serialNumber', function (req, res) {
    console.log(req.params.deviceLibraryIdentifier);
    var model = new DeviceModel();
    var _pass = new PassModel();
    _pass.passTypeIdentifier = req.params.passTypeIdentifier;
    _pass.serialNumber = req.params.serialNumber;
    model.deviceId = req.params.deviceLibraryIdentifier;
    model.pushToken = req.body.pushToken
    model.passes.push({ passTypeIdentifier: req.params.passTypeIdentifier, serialNumber: req.params.serialNumber })
    model.save((err) => {
        _pass.save((err) => {
            res.status(201).send(model.pushToken);
        })
    })
})

app.delete('/v1/devices/:deviceLibraryIdentifier/registrations/:passTypeIdentifier/:serialNumber', function (req, res) {
    PassModel.remove({ serialNumber: req.params.serialNumber }, (err) => {
        res.status(201).send("pass removed successfully");
    })
})


var port = process.env.PORT || 1337;
app.listen(port, function () {
    console.log('parse-server-example running on port ' + port + '.');
});

Sample Implementation of Wallet backend on the Node.js