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spreewaldzeit/lib/email.ts

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import nodemailer, { type Transporter } from "nodemailer";
import { formatDate, nightsBetween } from "./utils";
// --------------------------------------------------------------------
// Transporter
// --------------------------------------------------------------------
// Wenn kein SMTP-Host konfiguriert ist, fällt der Versand auf "Console-Log"
// zurück. So funktioniert die Entwicklung ohne echten Mailserver.
// --------------------------------------------------------------------
let cachedTransporter: Transporter | null = null;
function getTransporter(): Transporter | null {
if (cachedTransporter) return cachedTransporter;
const host = process.env.SMTP_HOST;
if (!host) return null;
cachedTransporter = nodemailer.createTransport({
host,
port: Number(process.env.SMTP_PORT ?? 587),
secure: Number(process.env.SMTP_PORT ?? 587) === 465,
auth:
process.env.SMTP_USER && process.env.SMTP_PASSWORD
? { user: process.env.SMTP_USER, pass: process.env.SMTP_PASSWORD }
: undefined,
});
return cachedTransporter;
}
interface SendMailParams {
to: string;
subject: string;
text: string;
html?: string;
replyTo?: string;
}
export async function sendMail({ to, subject, text, html, replyTo }: SendMailParams) {
const from = process.env.SMTP_FROM ?? "Spreewaldzeit <noreply@spreewaldzeit.de>";
const transporter = getTransporter();
if (!transporter) {
// Dev-Fallback: loggen
console.log(
"\n─────── 📬 MAIL (Dev-Fallback, kein SMTP gesetzt) ───────\n" +
`An: ${to}\n` +
`Von: ${from}\n` +
`Betreff: ${subject}\n` +
(replyTo ? `Reply-To: ${replyTo}\n` : "") +
`\n${text}\n` +
"──────────────────────────────────────────────────────────\n"
);
return { devFallback: true };
}
await transporter.sendMail({ from, to, subject, text, html, replyTo });
return { devFallback: false };
}
// --------------------------------------------------------------------
// Vorgefertigte Templates
// --------------------------------------------------------------------
interface InquiryMailData {
apartmentName: string;
arrival: Date;
departure: Date;
guests: number;
name: string;
email: string;
phone?: string | null;
message?: string | null;
inquiryId: string;
}
export async function sendInquiryMails(data: InquiryMailData) {
const nights = nightsBetween(data.arrival, data.departure);
const siteUrl = process.env.NEXT_PUBLIC_SITE_URL ?? "http://localhost:3000";
// 1) Mail an Vermieter
const ownerEmail = process.env.OWNER_EMAIL;
if (ownerEmail) {
await sendMail({
to: ownerEmail,
replyTo: data.email,
subject: `Neue Anfrage: ${data.apartmentName} (${formatDate(data.arrival)} ${formatDate(
data.departure
)})`,
text: [
`Neue Anfrage über Spreewaldzeit`,
``,
`Wohnung: ${data.apartmentName}`,
`Zeitraum: ${formatDate(data.arrival)} ${formatDate(data.departure)} (${nights} Nächte)`,
`Gäste: ${data.guests}`,
``,
`Name: ${data.name}`,
`E-Mail: ${data.email}`,
`Telefon: ${data.phone || "—"}`,
``,
`Nachricht:`,
data.message?.trim() || "(keine)",
``,
`Im Admin öffnen: ${siteUrl}/admin/anfragen`,
].join("\n"),
});
}
// 2) Bestätigung an Gast
await sendMail({
to: data.email,
subject: `Ihre Anfrage bei Spreewaldzeit ${data.apartmentName}`,
text: [
`Hallo ${data.name},`,
``,
`vielen Dank für Ihre Anfrage. Wir haben Ihre Daten erhalten und melden uns`,
`in der Regel innerhalb von 24 Stunden.`,
``,
`Ihre Anfrage im Überblick:`,
` Wohnung: ${data.apartmentName}`,
` Zeitraum: ${formatDate(data.arrival)} ${formatDate(data.departure)} (${nights} Nächte)`,
` Gäste: ${data.guests}`,
``,
`Herzliche Grüße`,
`Ihr Spreewaldzeit-Team`,
``,
``,
`Diese Mail wurde automatisch versendet.`,
].join("\n"),
});
}