Remove blocking PDF generation from appointment POST (LibreOffice hangs from Next.js)

app/api/appointments/route.ts

@@ -4,8 +4,8 @@
 
 import { NextRequest, NextResponse } from "next/server";
 import { fetchCollection, createRecord, updateRecordMultipart } from "@/lib/pb";
-import { writeFileSync, readFileSync, unlinkSync } from "fs";
-import { execSync, spawn } from "child_process";
+import { writeFileSync, readFileSync, unlinkSync, existsSync } from "fs";
+import { spawn } from "child_process";
 
 export const dynamic = "force-dynamic";
 
@@ -60,23 +60,7 @@ export async function POST(req: NextRequest) {
       sign_token: signToken,
     });
 
-    // 2. Generate letter HTML
-    const letterHtml = buildLetterHtml({ directorName: fullName, companyName: company_name, date: today, signUrl });
-    const htmlPath = `/tmp/appt-letter-${record.id}.html`;
-    writeFileSync(htmlPath, letterHtml, "utf8");
-
-    // 3. Convert to PDF
-    const pdfPath = await htmlToPdf(htmlPath);
-    const hasPdf = pdfPath && pdfPath.length > 0;
-
-    // 4. Upload PDF to PB record (only if conversion succeeded)
-    if (hasPdf) {
-      const pdfBuf = readFileSync(pdfPath);
-      const pdfFile = new File([pdfBuf], "appointment-letter.pdf", { type: "application/pdf" });
-      await updateRecordMultipart("ysterbaard_director_appointments", record.id, {}, [{ field: "letter", file: pdfFile }]);
-    }
-
-    // 5. Send email to director (with or without PDF)
+    // 2. Send HTML email to director with sign link
     await sendAppointmentEmail({
       to: emailTo,
       directorName: fullName || "Director",
@@ -95,73 +79,7 @@ export async function POST(req: NextRequest) {
   }
 }
 
-// ─── Letter HTML builder ───────────────────────────────────────────────────
 
-function buildLetterHtml(opts: {
-  directorName: string;
-  companyName: string;
-  date: string;
-  signUrl: string;
-}): string {
-  const { directorName, companyName, date, signUrl } = opts;
-  return `<!DOCTYPE html>
-<html>
-<head><meta charset="utf-8"><style>
-  body { font-family: Arial, sans-serif; font-size: 12pt; margin: 40px 60px; line-height: 1.6; color: #222; }
-  .right { text-align: right; }
-  h1 { font-size: 14pt; text-align: center; margin-bottom: 4px; font-weight: bold; }
-  hr { border: none; border-top: 1px solid #333; margin: 8px 0 16px; }
-  p { margin: 8px 0; }
-</style></head>
-<body>
-  <div class="right">
-    <p><strong>${directorName}</strong></p>
-    <p>${date}</p>
-  </div>
-  <h1>LETTER OF APPOINTMENT AS DIRECTOR</h1>
-  <hr />
-  <p>Dear ${directorName},</p>
-  <p>We are pleased to inform you that you have been appointed as a Director of <strong>${companyName}</strong>.</p>
-  <p>Your appointment is subject to your formal acceptance in terms of section 70 of the Companies Act 71 of 2008.</p>
-  <p><strong>To accept your appointment, please click the button below and draw your signature:</strong></p>
-  <p style="text-align:center; margin: 24px 0;">
-    <a href="${signUrl}" style="background:#0066cc;color:#fff;padding:12px 24px;border-radius:6px;text-decoration:none;font-size:13pt;">
-      Accept Appointment &amp; Sign
-    </a>
-  </p>
-  <p>Or copy this link into your browser:<br/><span style="color:#0066cc;font-size:10pt;word-break:break-all;">${signUrl}</span></p>
-  <p>Please note that until your acceptance is received, your appointment is not complete.</p>
-  <p>Yours sincerely,<br/><strong>The Board of ${companyName}</strong></p>
-</body>
-</html>`;
-}
-
-// ─── PDF conversion ───────────────────────────────────────────────────────
-
-async function htmlToPdf(htmlPath: string): Promise<string> {
-  const { spawnSync } = await import("child_process");
-  const { existsSync, renameSync } = await import("fs");
-  const pdfPath = htmlPath.replace(".html", ".pdf");
-  const lo = "/Applications/LibreOffice.app/Contents/MacOS/soffice";
-  const env = { ...process.env, HOME: "/Volumes/KIOXIA", PATH: "/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin", TMPDIR: "/tmp" };
-  try {
-    spawnSync(lo, ["--headless", "--convert-to", "pdf", "--outdir", "/tmp/", htmlPath], { timeout: 120, env });
-  } catch {
-    try {
-      spawnSync("soffice", ["--headless", "--convert-to", "pdf", "--outdir", "/tmp/", htmlPath], { timeout: 120, env });
-    } catch {
-      return "";
-    }
-  }
-  // macOS LibreOffice may write to /private/tmp even when --outdir /tmp/ is given
-  if (!existsSync(pdfPath)) {
-    const privatePath = pdfPath.replace("/tmp/", "/private/tmp/");
-    if (existsSync(privatePath)) {
-      renameSync(privatePath, pdfPath);
-    }
-  }
-  return existsSync(pdfPath) ? pdfPath : "";
-}
 // ─── Email ───────────────────────────────────────────────────────────────
 
 async function sendAppointmentEmail(opts: {