backup, going for multer

Rev1/node/routes/invoice_sign.js

@@ -6,11 +6,8 @@ const path = require("path");
 const lastFilesDir = "./public/upload/converted/";
 const rawDir = "./public/upload/raw/";
 const renderPageName = "invoice_sign";
-
-const getMostRecentFile = (dir) => {
-  const files = orderReccentFiles(dir);
-  return files.length ? files[0] : undefined;
-};
+const signDir = "./public/img/imza.png";
+const stampDir = "./public/img/kase.png";
 
 const orderReccentFiles = (dir) => {
   return fs
@@ -22,34 +19,45 @@ const orderReccentFiles = (dir) => {
 
 const { PDFDocument } = require("pdf-lib");
 
-const signDir = "./public/img/imza.png";
 const signPDF = async (sourceFile) => {
   // Fetch PNG image
   const pngUrl = signDir;
-  const pngImageBytes = fs.readFileSync(signDir);
+  const pngSignBytes = fs.readFileSync(signDir);
+  const pngStampBytes = fs.readFileSync(stampDir);
   const pBytes = fs.readFileSync(rawDir + sourceFile);
   const pdfDoc = await PDFDocument.load(pBytes);
 
   // Embed the JPG image bytes and PNG image bytes
-  const pngImage = await pdfDoc.embedPng(pngImageBytes);
+  const pngSign = await pdfDoc.embedPng(pngSignBytes);
+  const pngStamp = await pdfDoc.embedPng(pngStampBytes);
 
   // Get the width/height of the PNG image scaled down to 50% of its original size
-  const pngDims = pngImage.scale(0.1);
+  const pngSignDims = pngSign.scale(0.1);
+  const pngStampDims = pngStamp.scale(0.1);
 
   // Add a blank page to the document
   const pages = pdfDoc.getPages();
 
   // Draw the PNG image near the lower right corner of the JPG image
   page = pages[0];
-  page.drawImage(pngImage, {
-    x: page.getWidth() / 2 - pngDims.width / 2 + 75,
-    y: page.getHeight() / 2 - pngDims.height,
-    width: pngDims.width,
-    height: pngDims.height,
+  page.drawImage(pngStamp, {
+    x: page.getWidth() / 2 - pngStampDims.width / 2 + 75,
+    y: page.getHeight() / 2 - pngStampDims.height,
+    width: pngStampDims.width,
+    height: pngStampDims.height,
+  });
+  page.drawImage(pngSign, {
+    x: page.getWidth() / 2 - pngSignDims.width / 2 + 75,
+    y: page.getHeight() / 2 - pngSignDims.height,
+    width: pngSignDims.width,
+    height: pngSignDims.height,
   });
 
   // Serialize the PDFDocument to bytes (a Uint8Array)
   const pdfBytes = await pdfDoc.save();
+  if (!fs.existsSync(lastFilesDir)) {
+    fs.mkdirSync(lastFilesDir, { recursive: true });
+  }
   fs.writeFileSync(lastFilesDir + sourceFile, await pdfDoc.save());
   return pdfBytes;
 };
@@ -58,7 +66,7 @@ const signPDF = async (sourceFile) => {
 router.get("/", function (req, res) {
   let lastFiles = [];
   if (!fs.existsSync(lastFilesDir)) {
-    fs.mkdirSync(lastFilesDir);
+    fs.mkdirSync(lastFilesDir, { recursive: true });
   }
   // const dir = fs.opendirSync(lastFilesDir);
   let filesOrdered = orderReccentFiles(lastFilesDir);
@@ -90,7 +98,7 @@ router.post("/", function (req, res) {
     // Upload path
     const uploadPath = rawDir;
     if (!fs.existsSync(uploadPath)) {
-      fs.mkdirSync(uploadPath);
+      fs.mkdirSync(uploadPath, { recursive: true });
     }
     // To save the file using mv() function
     uploadedFile.mv(uploadPath + uploadedFile.name, function (err) {
@@ -102,6 +110,7 @@ router.post("/", function (req, res) {
       else {
         signPDF(uploadedFile.name);
         res.redirect(renderPageName);
+        fs.unlinkSync(uploadPath + uploadedFile.name);
       }
     });
   } else res.send("No file uploaded !!");
@@ -111,6 +120,10 @@ router.post("/", function (req, res) {
 router.get("/download", function (req, res) {
   const downloadFile = lastFilesDir + req.query.downloadFile;
   console.log(downloadFile);
+  res.setHeader(
+    "Content-Disposition",
+    "attachment; filename=" + req.query.downloadFile
+  );
   res.download(downloadFile, function (err) {});
 });
 module.exports = router;