vmagic/src/Component/Email.js

vMagic is a RESTFul framework for NodeJS applications.

/*eslint max-statements: ["error", 30]*/
"use strict";

import { createTransport } from "nodemailer";
import AppUtil from "../Util/AppUtil.js";

//BUG error to attempt to send email. The configuration is undefined.
class Email {
    constructor() {
        this.init();
    }

    async init() {
        const corePath = `${AppUtil.getAppStructure().configPath}/core.json`;
        const core = await AppUtil.importStaticFile(corePath);
        this.mConfig = core.email;
    }

    /**
     * [send description]
     * @param  {[type]}   data     [description]
     * @param  {Function} callback [description]
     * @return {[type]}            [description]
     */
    send(data) {
        this.data = data;
        const options = {};

        return new Promise((resolve, reject) => {
            //Validation Fields
            if (!this.mConfig.username) {
                reject(new Error("username cannot be null."));

                return;
            } else if (!this.mConfig.password) {
                reject(new Error("password cannot be null."));

                return;
            } else if (!this.data.to) {
                reject(new Error("to cannot be null."));

                return;
            } else if (!this.data.subject) {
                reject(new Error("subject cannot be null."));

                return;
            }

            if (this.mConfig.host) {
                options.host = this.mConfig.host;
            }
            if (this.mConfig.port) {
                options.port = this.mConfig.port;
            }
            if (this.mConfig.secure) {
                options.secure = this.mConfig.secure; //True for 465, false for other ports
            }
            if (this.mConfig.tls) {
                options.tls = this.mConfig.tls;
            }
            options.auth = {
                user: this.mConfig.username,
                pass: this.mConfig.password,
            };

            const smtpTransport = createTransport(options);
            const mail = {
                from: this.mConfig.from,
                to: this.data.to,
                subject: this.data.subject,
                text: this.data.text,
                html: this.data.html,
            };

            //If exists files attachments
            if (this.data.attachments) {
                //Params, filename, path
                mail.attachments = this.data.attachments;
            }

            smtpTransport.sendMail(mail, (err, res) => {
                if (err) {
                    reject(err);
                } else {
                    resolve(res);
                }
                smtpTransport.close();
            });
        });
    }
}

export default Email;