import nodemailer from "nodemailer"; import dotenv from "dotenv"; dotenv.config(); const formatDateTime = (value) => { if (value == null) return "N/A"; const toOut = (d) => { if (!(d instanceof Date) || isNaN(d.getTime())) return "N/A"; const dd = String(d.getDate()).padStart(2, "0"); const mm = String(d.getMonth() + 1).padStart(2, "0"); const yyyy = d.getFullYear(); const hh = String(d.getHours()).padStart(2, "0"); const mi = String(d.getMinutes()).padStart(2, "0"); return `${dd}.${mm}.${yyyy} ${hh}:${mi} Uhr`; }; if (value instanceof Date) return toOut(value); if (typeof value === "number") return toOut(new Date(value)); const s = String(value).trim(); // Direct pattern: "YYYY-MM-DD[ T]HH:mm[:ss]" const m = s.match(/^(\d{4})-(\d{2})-(\d{2})[ T](\d{2}):(\d{2})(?::\d{2})?/); if (m) { const [, y, M, d, h, min] = m; return `${d}.${M}.${y} ${h}:${min} Uhr`; } // ISO or other parseable formats const dObj = new Date(s); if (!isNaN(dObj.getTime())) return toOut(dObj); return "N/A"; }; function buildLoanEmail({ user, items, startDate, endDate, createdDate }) { const brand = process.env.MAIL_BRAND_COLOR || "#0ea5e9"; const itemsList = Array.isArray(items) && items.length ? `

${i}

` : "N/A"; return `

Es wurde eine neue Ausleihe angelegt. Hier sind die Details:

Benutzer

${ user || "N/A" }

Ausgeliehene Gegenstände

${itemsList}

Startdatum

${formatDateTime( startDate, )}

Enddatum

${formatDateTime( endDate, )}

Erstellt am

${formatDateTime( createdDate, )}

Übersicht öffnen

Diese E-Mail wurde automatisch vom Ausleihsystem gesendet. Bitte nicht antworten.

`; } function buildLoanEmailText({ user, items, startDate, endDate, createdDate }) { const itemsText = Array.isArray(items) && items.length ? items.join(", ") : "N/A"; return [ "Neue Ausleihe erstellt", "", `Benutzer: ${user || "N/A"}`, `Gegenstände: ${itemsText}`, `Start: ${formatDateTime(startDate)}`, `Ende: ${formatDateTime(endDate)}`, `Erstellt am: ${formatDateTime(createdDate)}`, ].join("\n"); } export function sendMailLoan(user, items, startDate, endDate, createdDate) { const transporter = nodemailer.createTransport({ host: process.env.MAIL_HOST, port: process.env.MAIL_PORT, secure: true, auth: { user: process.env.MAIL_USER, pass: process.env.MAIL_PASSWORD, }, }); (async () => { const info = await transporter.sendMail({ from: '"Ausleihsystem" ', to: process.env.MAIL_SENDEES, subject: "Eine neue Ausleihe wurde erstellt!", text: buildLoanEmailText({ user, items, startDate, endDate, createdDate, }), html: buildLoanEmail({ user, items, startDate, endDate, createdDate }), }); console.log("Loan message sent:", info.messageId); })(); }