Sortieungsoptionen in Verwaltung, Umstellung der PDF generation auf generierung bei abgabe und ablage auf dem Sateisystem um einen Festen Stand zu garantieren

services/pdf-storage-service.js

@@ -0,0 +1,44 @@
+const fs = require('fs');
+const fsp = require('fs/promises');
+const path = require('path');
+const { buildTimesheetPdfLocation, getPdfBaseDir } = require('../helpers/pdf-paths');
+
+async function ensureDirectoryExists(dirPath) {
+  await fsp.mkdir(dirPath, { recursive: true });
+}
+
+async function fileExists(filePath) {
+  try {
+    await fsp.access(filePath, fs.constants.F_OK);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+async function savePdfBufferAtomic(targetPath, buffer) {
+  const dir = path.dirname(targetPath);
+  await ensureDirectoryExists(dir);
+
+  const tmpPath = `${targetPath}.tmp-${process.pid}-${Date.now()}`;
+  await fsp.writeFile(tmpPath, buffer);
+  await fsp.rename(tmpPath, targetPath);
+}
+
+function resolvePdfLocationFromTimesheetRow(timesheetRow) {
+  return buildTimesheetPdfLocation(timesheetRow);
+}
+
+function resolveAbsolutePathFromRelative(relativePath) {
+  const baseDir = getPdfBaseDir();
+  return path.join(baseDir, relativePath);
+}
+
+module.exports = {
+  ensureDirectoryExists,
+  fileExists,
+  savePdfBufferAtomic,
+  resolvePdfLocationFromTimesheetRow,
+  resolveAbsolutePathFromRelative,
+};
+