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Это мой файл схемы: с именем form.js

 const mongoose = require('mongoose');

const UploadedFile = new mongoose.Schema({
    path: String,
    type: String,
    size: Number,
    folder: String,
    filename: String
  })
  
const Form = mongoose.model('Form', {
    lname:{
        type:String,
        required:true
    },
    fname:{
        type:String,
        required:true
    },
    email: { 
        type: String, 
        required: true },
    country:{
            type:String,
            required:true
        },
    visa:{
            type:String,
            required:true
        },
    undergraduate:{
            type:String,
            required:true
        },
    semester:{
    type:String,
    required:true
    },
    year:{
        type:Number,
        required:true
    },
    gender:{
        type:String,
        required:true
    },
    Degree_Con:{
        type:String,
        required:true
    },
    gpa:{
        type:Number,
        required:true
    },
    status:{
        type:String,
        required:true
    },

    uploadedFile: UploadedFile
  });
  module.exports = Form;



==================================================================================
 

Это мой файл маршрутизатора с именем forms.js

 //Libraries 
const express = require('express');
const router = express.Router();
const mongoose = require("mongoose");
const Grid = require('gridfs-stream');
const util = require("util");
const multer = require("multer");
const GridFsStorage = require("multer-gridfs-storage");
const path = require('path');
const crypto = require('crypto');
//User Form mode
const User = require('../model/form');


const mongoURI = "mongodb://localhost:27017/Mongocon";

// // Init gfs
let gfs;
const conn = mongoose.connection;
conn.on('error', console.log.bind(console, "connection error")); 
conn.once('open', () => {
  // Init stream
  gfs = Grid(conn.db, mongoose.mongo);
  gfs.collection('uploads');
});




// Create storage engine
const storage = new GridFsStorage({
    url: mongoURI,
    file: (req, file) => {
      return new Promise((resolve, reject) => {
        crypto.randomBytes(16, (err, buf) => {
          if (err) {
            return reject(err);
          }
          const filename = buf.toString('hex')   path.extname(file.originalname);
          const fileInfo = {
            filename: filename,
            bucketName: 'Form'
          };
          resolve(fileInfo);
        });
      });
    }
  });
  const Form = multer({ storage });

 router.get('/dashboard', (req, res) => {
    gfs.files.find().toArray((err, files) => {
      // Check if files
      if (!files || files.length === 0) {
        res.render('dashboard', { files: false });
      } else {
        files.map(file => {
          if (
            file.contentType === 'image/jpeg' ||
            file.contentType === 'image/png'
          ) {
            file.isImage = true;
          } else {
            file.isImage = false;
          }
        });
        res.render('dashboard', {files: files });
      }
    });
});

//Dashboard Handle


router.post('/dashboard', Form.single('file'), (req,res)=> {
    const{ lname ,fname, email,country,visa,undergraduate,semester,year,gender,Degree_Con,gpa,status,uploadedFile } = req.body;
    let errors = [];

    //check required fields
    if(!lname || !fname ||!email || !country || !visa || !undergraduate ||!semester || !year || !gender || !Degree_Con || !gpa || !status || !uploadedFile)
    {
        errors.push({msg: 'Please fill in all fields'});
    }

    if(errors.length > 0)
    {
        res.render('dashboard',{
        errors,
        lname,
        fname,
        email,
        country,
        visa,
        undergraduate,
        semester,
        year,
        gender,
        Degree_Con,
        gpa,
        status,
        uploadedFile    
        });
    }
    
    else
    {
        const newForm = new Form({ lname ,fname, email,country,visa,undergraduate,semester,year
            ,gender,Degree_Con,gpa,status,uploadedFile });
        newForm.save();
        res.redirect('/dashboard');
    }

});

module.exports = router;

==============================================================================
 

приборная панель.ejs

 <h1 class="mt-8">Dashboard</h1>
<hr>
<div class="row mt-5">
  <div class="col-md-6 m-auto">
    <div class="card card-body">
      <h1 class="text-center mb-3"> 
        <i class="fas fa-user-plus"></i>Applicant Form
      </h1>
      <%- include ("./partials/messages"); %>
      <form action="/forms/dashboard" method="POST" enctype="multipart/form-data">
        <div class="form-group">
          <label for="lname">Last Name</label>
          <input
            type="name"
            id="lname"
            name="lname"
            class="form-control"
            placeholder="Enter LastName"
          />
        <div class="form-group">
          <label for="fname">First Name</label>
          <input
            type="name"
            id="fname"
            name="fname"
            class="form-control"
            placeholder="Enter FirstName"
          />
        </div>
        </div>
        <div class="form-group">
          <label for="email">Email</label>
          <input
            type="email"
            id="email"
            name="email"
            class="form-control"
            placeholder="Enter Email"
          />
        </div>
        <div class="form-group">
          <label for="country">Country</label>
          <select class="selectpicker countrypicker"
        data-live-search="true"
        data-default="United States"
        data-flag="true">
</select>
      </div>
      <div class="form-group">
        <label for="visa">Visa Status</label>
        <input class="form-control" type="text" value="" id="visa">
      </div>
        <div class="form-group">
          <label for="Undergraduate">Undergraduate Degree</label>
          <input class="form-control" type="text" value="" id="Undergraduate">
        </div>
       
        <div class="form-group">
          <label for="sem">Semester</label>
          <input class="form-control" type="text" value="Spring/Fall" id="sem">
        </div>
        <div class="form-group">
          <label for="sem">Year</label>
          <input class="form-control" type="number" placeholder="2021" id="sem">
        </div>

          <fieldset class="form-group">
            <label for="example-date-input" >Gender:</label>
            <div class="form-check">
              <label class="form-check-label">
                <input type="radio" class="form-check-input" name="optionsRadios" id="optionsRadios1" value="Female" checked>
                Female
              </label>
            </div>
            <div class="form-check">
              <label class="form-check-label">
                <input type="radio" class="form-check-input" name="optionsRadios" id="optionsRadios2" value="Male" checked>
                Male
              </label>
            </div>
          </fieldset>
          <div class="form-group">
            <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
              Degree Concentrations
            </button>
            <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
              <a class="dropdown-item" href="#">Web and Databases</a>
              <a class="dropdown-item" href="#">Artificial Intelligence</a>
              <a class="dropdown-item" href="#">Cyber Security</a>
            </div>
          </div>
            <div class="form-group">
              <label for="example-text-input">GPA</label>
                <input class="form-control" type="number" value="4" id="example-text-input">
              </div>
              
        <div class="custom-file mb-3">
        
          <input type="file" name="file" id="file" class="custom-file-input">
          
          <label for="file" class="custom-file-label">Upload Transcription in pdf or docx form</label>
        </div>


        <fieldset class="form-group">
          <label for="example-date-input" >Status</label>
          <div class="form-check">
            <label class="form-check-label">
              <input type="radio" class="form-check-input" name="Statusopt" id="Status1" value="Accept" checked>
              Accept
            </label>
          </div>
          <div class="form-check">
            <label class="form-check-label">
              <input type="radio" class="form-check-input" name="Statusopt" id="Status2" value="Reject" checked>
              Reject
            </label>
          </div>
          <div class="form-check">
            <label class="form-check-label">
              <input type="radio" class="form-check-input" name="Statusopt" id="Status3" value="Defer" checked>
              Defer
            </label>
          </div>
        </fieldset> 
        <input type="submit" value="Submit" class="btn btn-primary btn-block">
      </form>
      
    </div>
  </div>
</div>
<hr>

<a href="/users/logout" class="btn btn-secondary">Logout</a>


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Проблема, с которой я сталкиваюсь с кодом, заключается в том, что мой файл загружается, но не другие поля ввода в базу данных, более того, я понятия не имею о том, как сохранить переключатель и раскрывающийся список в MongoDB, я очень новичок в node js и MongoDB, поэтому мне становится все труднее разобраться в этом, я искал в Интернете те же проблемы уже 2 недели, но нет ничего, что могло бы решить мою проблему, я надеюсь получить здесь несколько советов