accountsClient.js

'use strict';

let customerId = process.argv[2] || '23456789';

// soap client

let makeSoapRequest = require('./helpers/makeSoapRequest');
let convertXMLToJSON = require('./helpers/convertXMLToJSON');
let createSOAPClient = require('./helpers/createSOAPClient');
let trimAccountsList = require('./requestHelpers/AccountsList/trimAccountsList');

// class holding asynchronous steps
let SoapRequestSteps = class {
  constructor (wsdl, options) {
    this.clientReady = this.createSOAPClient(wsdl, options);
  }
  createSOAPClient (wsdl, options) {
    return createSOAPClient.apply(this, arguments);
  }
  async makeSoapRequest (method, params) {
    let self = this;
    let args = arguments;

    // make sure the client has been created
    self.soapClient = await self.clientReady;
    return makeSoapRequest.apply(self, args);
  }

  /* Using async allows a sequence of asynchronous steps to be followed
       without indenting */
  async getAccountsList (customerId) {
    let self = this;

    //  async step
    let xml = await self.makeSoapRequest('GetAccountsList', {
      AccountsRequest: { customerId: customerId }
    });
    self.responseBody = xml;

    // async step
    let json = await convertXMLToJSON(xml);

    // sync step
    return trimAccountsList(customerId, json);
  }
  logExchange () {
    console.log('Request:\n', this.requestBody, '\n\nResponse:\n', this.responseBody);
  }
};

let soapClient = new SoapRequestSteps('http://127.0.0.1:5089/accountsList?WSDL', {
  // SOAP options
});

soapClient
  .getAccountsList(customerId)
  .then(result => {
    console.log();
    console.log(result);
    console.log();
  })
  .then(() => {
    soapClient.logExchange();
  })
  .catch(err => {
    console.log(62, err);
  });