44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
// Copyright IBM Corp. 2014,2016. All Rights Reserved.
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// Node module: loopback-context
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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'use strict';
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var contextPerRequest = require('../server/middleware/per-request.js');
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// Use `var lbContext = require('loopback-context');` in your app
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var lbContext = require('../');
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var loopback = require('loopback');
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var app = loopback();
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// Configure the context middleware
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app.middleware('initial', contextPerRequest());
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// Store a request property in the context
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app.use(function saveHostToContext(req, res, next) {
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var currentContext = lbContext.getCurrentContext();
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if (currentContext)
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currentContext.set('host', req.hostname);
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next();
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});
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app.use(loopback.rest());
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var Color = loopback.createModel('color', {name: String});
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Color.beforeRemote('**', function(ctx, unused, next) {
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// Inside LoopBack code, you can read the property from the context
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var currentContext = lbContext.getCurrentContext();
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if (currentContext)
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console.log('Request to host %s',
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currentContext && currentContext.get('host'));
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next();
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});
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app.dataSource('db', {connector: 'memory'});
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app.model(Color, {dataSource: 'db'});
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app.listen(3000, function() {
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console.log('A list of colors is available at http://localhost:3000/colors');
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});
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