import { NextRequest, NextResponse } from "next/server"; import nodemailer from "nodemailer"; import clientPromise from "@/lib/db"; const transporter = nodemailer.createTransport({ host: process.env.EMAIL_SERVER, port: parseInt(process.env.EMAIL_PORT ? process.env.EMAIL_PORT : "25"), secure: Boolean(process.env.EMAIL_SECURE ? process.env.EMAIL_SECURE : false), auth: { user: process.env.EMAIL_USER, pass: process.env.EMAIL_PASS } }); const sendEmail = async (to: string[], subject: string, html: string) => { try { await transporter.sendMail({ from: process.env.EMAIL_NEWSLETTER_ADDRESS, to: to.join(", "), subject: subject, html: html }); } catch (error) { console.error("Error sending email:", error); throw new Error("Failed to send email"); } }; export async function POST(req: NextRequest) { try { const { subject, html } = await req.json(); const client = await clientPromise; const db = client.db(process.env.MONGODB_DB); const collection = db.collection("subscribers"); const subscribers = await collection .find({}, { projection: { email: 1 } }) .toArray(); if (subscribers.length === 0) { console.error("No subscribers found in the database."); return NextResponse.json( { message: "No subscribers found." }, { status: 404 } ); } const emails = subscribers.map((subscriber) => subscriber.email); if (emails.length === 0) { console.error("No email addresses found."); return NextResponse.json( { message: "No email addresses found." }, { status: 404 } ); } await sendEmail(emails, subject, html); return NextResponse.json({ message: "Emails sent successfully" }); } catch (error) { console.error("Error handling POST request:", error); return NextResponse.error(); } }