loopback/example/context/app.js

35 lines
1.0 KiB
JavaScript

// Copyright IBM Corp. 2014,2016. All Rights Reserved.
// Node module: loopback
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
var loopback = require('../../');
var app = loopback();
// Create a LoopBack context for all requests
app.use(loopback.context());
// Store a request property in the context
app.use(function saveHostToContext(req, res, next) {
var ns = loopback.getCurrentContext();
ns.set('host', req.host);
next();
});
app.use(loopback.rest());
var Color = loopback.createModel('color', { 'name': String });
Color.beforeRemote('**', function (ctx, unused, next) {
// Inside LoopBack code, you can read the property from the context
var ns = loopback.getCurrentContext();
console.log('Request to host', ns && ns.get('host'));
next();
});
app.dataSource('db', { connector: 'memory' });
app.model(Color, { dataSource: 'db' });
app.listen(3000, function() {
console.log('A list of colors is available at http://localhost:3000/colors');
});