60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
const fs = require("fs");
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const path = require("path");
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const nodemailer = require("nodemailer");
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const { compile } = require("handlebars");
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const { mjml2html } = require("mjml");
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class EmailService {
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constructor() {
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this.loadTemplate = (templateName) => {
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const templatePath = path.join(
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__dirname,
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`../templates/${templateName}.mjml`
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);
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const templateContent = fs.readFileSync(templatePath, "utf8");
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return compile(templateContent);
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};
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// TODO Load less used templates in their respective functions
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this.templateLookup = {
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welcomeEmailTemplate: this.loadTemplate("welcomeEmail"),
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employeeActivationTemplate: this.loadTemplate("employeeActivation"),
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noIncidentsThisWeekTemplate: this.loadTemplate("noIncidentsThisWeek"),
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serverIsDownTemplate: this.loadTemplate("serverIsDown"),
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serverIsUpTemplate: this.loadTemplate("serverIsUp"),
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passwordResetTemplate: this.loadTemplate("passwordReset"),
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};
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this.transporter = nodemailer.createTransport({
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host: process.env.EMAIL_SERVICE_HOST,
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port: process.env.EMAIL_SERVICE_PORT,
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secure: true, // Use `true` for port 465, `false` for all other ports
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auth: {
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user: process.env.EMAIL_SERVICE_USERNAME,
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pass: process.env.EMAIL_SERVICE_PASSWORD,
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},
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});
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}
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buildAndSendEmail = async (template, context, to, subject) => {
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const buildHtml = (template, context) => {
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const mjml = this.templateLookup[template](context);
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const html = mjml2html(mjml);
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return html;
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};
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const sendEmail = async (to, subject, html) => {
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const info = await this.transporter.sendMail({
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to: to,
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subject: subject,
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html: html,
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});
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return info;
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};
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const info = await sendEmail(to, subject, buildHtml(template, context));
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return info.messageId;
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};
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}
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module.exports = EmailService;
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