final all working code with upload n fetch

Author: chintan992

app.js

@@ -0,0 +1,100 @@
+
+const express = require('express');
+const multer = require('multer');
+const ejs = require('ejs');
+const path = require('path');
+
+// Set The Storage Engine
+const storage = multer.diskStorage({
+  destination: './public/uploads/',
+  filename: function(req, file, cb){
+      global.fname = file.fieldname + '-' + Date.now() + path.extname(file.originalname)
+    cb(null,file.fieldname + '-' + Date.now() + path.extname(file.originalname));
+  }
+});
+
+// Init Upload
+const upload = multer({
+  storage: storage,
+  limits:{fileSize: 1000000},
+  fileFilter: function(req, file, cb){
+    checkFileType(file, cb);
+  }
+}).single('myFile');
+
+// Check File Type
+function checkFileType(file, cb){
+  // Allowed ext
+  const filetypes = /pdf/;
+  // Check ext
+  const extname = filetypes.test(path.extname(file.originalname).toLowerCase());
+  // Check mime
+  const mimetype = filetypes.test(file.mimetype);
+
+  if(mimetype && extname){
+    return cb(null,true);
+  } else {
+    cb('Error: pdf Only!');
+  }
+}
+
+// Init app
+const app = express();
+
+// EJS
+app.set('view engine', 'ejs');
+//var name = "chintan"
+// Public Folder
+app.use(express.static('./public'));
+
+app.get('/', (req, res) => res.render('index'));
+
+app.post('/upload', (req, res) => {
+  upload(req, res, (err) => {
+    if(err){
+      res.render('index', {
+        msg: err
+      });
+    } 
+    else {
+          if(req.file == undefined){
+            res.render('index', {
+              msg: 'Error: No File Selected!'
+            });
+          }
+          else {
+              
+              let {PythonShell} = require('python-shell')
+              var options = {
+                  mode: 'text',
+                  args: [fname]
+                };
+              PythonShell.run('resgen.py', options, function (err,result) {
+                    if (err) throw err;
+                    
+                    
+                    res.render('index', {
+                      msg: 'File Uploaded!',
+                      
+                      str: result
+                    });
+              });
+          }
+    }
+  });
+
+
+
+
+
+
+
+
+});
+  
+
+
+
+const port = 3000;
+
+app.listen(port, () => console.log(`Server started on port ${port}`));