recator placement of code

backend/utils/sendEmail.utils.ts

@@ -0,0 +1,125 @@
+import os from "node:os";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { promisify } from "node:util";
+import type { Transporter } from "nodemailer";
+import nodemailer from "nodemailer";
+import type Mail from "nodemailer/lib/mailer/index.js";
+import type { Address } from "nodemailer/lib/mailer/index.js";
+import type SMTPTransport from "nodemailer/lib/smtp-transport/index.js";
+import hbs from "nodemailer-express-handlebars";
+import { returnFunc } from "./returnHelper.utils.js";
+import { tryCatch } from "./trycatch.utils.js";
+
+interface HandlebarsMailOptions extends Mail.Options {
+	template: string;
+	context: Record<string, unknown>;
+}
+
+interface EmailData {
+	email: string;
+	subject: string;
+	template: string;
+	context: Record<string, unknown>;
+}
+
+export const sendEmail = async (data: EmailData) => {
+	let transporter: Transporter;
+	let fromEmail: string | Address;
+
+	if (os.hostname().includes("OLP")) {
+		transporter = nodemailer.createTransport({
+			service: "gmail",
+			auth: {
+				user: process.env.EMAIL_USER,
+				pass: process.env.EMAIL_PASSWORD, // The 16-character App Password
+			},
+			//debug: true,
+		});
+
+		// update the from email
+		fromEmail = process.env.EMAIL_USER as string;
+
+		// update the from email
+		fromEmail = `donotreply@alpla.com`;
+	} else {
+		//create the servers smtp config
+		let host = `${os.hostname().replace("VMS006", "")}-smtp.alpla.net`;
+
+		if (os.hostname().includes("VMS036")) {
+			host = "USMCD1-smtp.alpla.net";
+		}
+
+		transporter = nodemailer.createTransport({
+			host: host,
+			port: 25,
+			rejectUnauthorized: false,
+			//secure: false,
+			// auth: {
+			//   user: "alplaprod",
+			//   pass: "obelix",
+			// },
+			debug: true,
+		} as SMTPTransport.Options);
+
+		// update the from email
+		fromEmail = `donotreply@alpla.com`;
+	}
+
+	// create the handlebars view
+	const viewPath = path.resolve(
+		path.dirname(fileURLToPath(import.meta.url)),
+		"./mailViews",
+	);
+
+	const handlebarOptions = {
+		viewEngine: {
+			extname: ".hbs",
+			defaultLayout: "",
+			partialsDir: viewPath,
+		},
+		viewPath: viewPath,
+		extName: ".hbs",
+	};
+
+	transporter.use("compile", hbs(handlebarOptions));
+
+	const mailOptions: HandlebarsMailOptions = {
+		from: fromEmail,
+		to: data.email,
+		subject: data.subject,
+		//text: "You will have a reset token here and only have 30min to click the link before it expires.",
+		//html: emailTemplate("Blake's Test", "This is an example with css"),
+		template: data.template, // Name of the Handlebars template (e.g., 'welcome.hbs')
+		context: data.context,
+	};
+
+	// now verify and send the email
+	const sendMailPromise = promisify(transporter.sendMail).bind(transporter);
+
+	const { data: mail, error } = await tryCatch(sendMailPromise(mailOptions));
+
+	if (mail) {
+		return returnFunc({
+			success: true,
+			level: "info",
+			module: "utils",
+			subModule: "sendmail",
+			message: `Email was sent to: ${data.email}`,
+			data: [],
+			notify: false,
+		});
+	}
+
+	if (error) {
+		return returnFunc({
+			success: false,
+			level: "error",
+			module: "utils",
+			subModule: "sendmail",
+			message: `Error sending Email to : ${data.email}`,
+			data: [{ error: error }],
+			notify: false,
+		});
+	}
+};