added mail service

lib/mailer.ts

@@ -0,0 +1,22 @@
+'use server'
+
+import { from, transportOptions } from '@/config/mailer'
+import nodemailer, { Transporter } from 'nodemailer'
+import type { Options } from 'nodemailer/lib/mailer'
+import { SentMessageInfo } from 'nodemailer/lib/smtp-transport'
+
+const transporter: Transporter<SentMessageInfo> = nodemailer.createTransport(transportOptions)
+
+type Return = {
+  isOk: boolean, code?: number, info?: SentMessageInfo, error?: any
+}
+
+export default async function mailer ({ to, subject, text, html }: Options): Promise<Return> {
+  try {
+    const info: SentMessageInfo = await transporter.sendMail({ from, to, subject, text, html })
+    return { isOk: true, code: parseInt((info?.response ?? '0').substring(0, 3), 10), info }
+  } catch (error: any) {
+    return { isOk: false, error }
+  }
+  //TODO: MAILER LOGGING >> error.response || info?.messageId
+}