node-uuap/lib/service.js

baidu uuap in nodejs

/**
 * @file 获取uic数据
 * @author liulangyu(liulangyu@baidu.com)
 */

var config = require('./config');
var soap = require('soap');

/**
 * 各种服务数据获取
 * 详细接口见文档：http://wiki.baidu.com/pages/viewpage.action?pageId=65311151
 *
 * @public
 * @param {string} serviceName 服务名称，uuap提供的服务接口
 * @param {string} interfaceName 接口名称，每个服务提供多个接口
 * @param {Object} params 接口参数，多参数形式{arg0: '', arg1: ''}
 * @param {Function} cb 回调
 * @example service('getUserByUsername', {arg0: 'liulangyu'}, function () {})
 */
exports.uic = function (serviceName, interfaceName, params, cb) {
    // 简单验证下参数
    var len = arguments.length;
    if (len !== 4) {
        throw new Error('params wrong: required 4, but get ' + len);
    }

    // 验证serviceName
    if (!~config.services.indexOf(serviceName)) {
        throw new Error('no such service: `' + serviceName + '`, please check the doc');
    }

    var url = config.wsUrl + serviceName + '?wsdl';

    soap.createClient(url, function (err, client) {
        if (err) {
            throw new Error('error create new soap client.' + err.toString());
        }
        else {
            client.addSoapHeader({appKey: config.appKey});
            client[interfaceName](params, function (err, result) {
                cb(result);
            });
        }
    });
};