salix/back/methods/mrw-config/cancelShipment.js

const axios = require('axios');
const fs = require('fs');
const ejs = require('ejs');
const {DOMParser} = require('xmldom');

module.exports = Self => {
    Self.remoteMethod('cancelShipment', {
        description: 'Cancel a shipment by providing the expedition ID, interacting with MRW WebService',
        accessType: 'WRITE',
        accepts: [{
            arg: 'expeditionFk',
            type: 'number',
            required: true
        }],
        returns: {
            type: 'boolean',
            root: true
        },
        http: {
            path: `/cancelShipment`,
            verb: 'POST'
        }
    });

    Self.cancelShipment = async expeditionFk => {
        const models = Self.app.models;

        const mrw = await models.MrwConfig.findOne();
        const {externalId} = await models.Expedition.findById(expeditionFk);
        const clientType = await models.MrwConfig.getClientType(expeditionFk);
        const template = fs.readFileSync(__dirname + '/cancelShipment.ejs', 'utf-8');
        const renderedXml = ejs.render(template, {mrw, externalId, clientType});
        const response = await axios.post(mrw.url, renderedXml, {
            headers: {
                'Content-Type': 'application/soap+xml; charset=utf-8'
            }
        });

        const xmlString = response.data;
        const parser = new DOMParser();
        const xmlDoc = parser.parseFromString(xmlString, 'text/xml');
        const result = xmlDoc.getElementsByTagName('Mensaje')[0].textContent;
        return result.toLowerCase().includes('se ha cancelado correctamente');
    };
};