private-bower/lib/public-package-store.js

A simple private bower registry

var logger = require('./logger');
var Client = require('node-rest-client').Client;

module.exports = function PublicPackageStore(config) {
    var _packages = {};

    var publicBowerUrl = config.publicRegistry || 'http://bower.herokuapp.com/packages/';

    _init();
    function _init() {
        logger.log('Refreshing public packages...');

        _loadPublicPackagesPeriodically();
    }

    function _getPackage(packageName) {
        return _packages[packageName];
    }

    function _loadPublicPackagesPeriodically() {
        var client = createClient();

        client.get(publicBowerUrl, function(data) {
            processData(data);
        }).on('error', function(err) {
            console.log('something went wrong on the request', err.request.options);
        });

        client.on('error', function(err) {
            console.error('Something went wrong on the client', err);
        });

        function processData(data) {
            if(data.indexOf('Not Found') !== -1) {
                return;
            }

            try {
                var jsonData = JSON.parse(data);

                for(var i = 0, len = jsonData.length; i < len; i++) {
                    var item = jsonData[i];

                    _packages[item.name] = item;
                }

                logger.log('Loaded public packages');

            } catch (e) {
                logger.error('Could not load public packages');
            }
        }

        function createClient() {
            var clientOptions;

            if(config.proxySettings && config.proxySettings.enabled) {
                clientOptions = {
                    proxy: {
                        host: config.proxySettings.host,
                        port: config.proxySettings.port,
                        user: config.proxySettings.username,
                        password: config.proxySettings.password,
                        tunnel: config.proxySettings.tunnel
                    }
                };
            }

            return new Client(clientOptions);
        }

        // re-schedule the function
        setTimeout(_loadPublicPackagesPeriodically, 1000 * 60 * 30);
    }

    function _searchPackage(name) {
        var searchName = name.toLowerCase();
        var packages = [];

        for(var packageName in _packages) {
            if(_packages.hasOwnProperty(packageName) &&
                packageName.toLowerCase().indexOf(searchName) !== -1) {

                var item = _packages[packageName];
                packages.push({
                    name: item.name,
                    url: item.repo
                });
            }
        }

        return packages;
    }

    return {
        getPackage: _getPackage,
        searchPackage: _searchPackage
    };
};