Implemented backend express signup form validation

Backend/Middleware/validator.js

-const {check, validationResult } = require('express-validator');
+const {body, validationResult } = require('express-validator');
 
 exports.signupValidator = [
-    check('firstName').not().isEmpty().trim().withMessage("First name is required"),
-    check('lastName').not().isEmpty().trim().withMessage("Last name is required"),
-    check('email').isEmail().normalizeEmail().withMessage("Last name is required"),
-    check('password').isLength({min: 6}).withMessage("Password msut be at least 6 characters long"),
+    body('firstName').not().isEmpty().trim().withMessage("First name is required"),
+    body('lastName').not().isEmpty().trim().withMessage("Last name is required"),
+    body('email').isEmail().normalizeEmail().withMessage("Email is required"),
+    body('password').isLength({min: 6}).withMessage("Password must be at least 6 characters long"),
 ]
 
-// module.exports = signupValidator
-
 exports.validatorResult = (req, res, next) => {
     const result = validationResult(req);
     const hasErrors = !result.isEmpty();
 
     if (hasErrors) {
+        const error = result.array()[0].msg
+
         console.log('Has errors:', hasErrors)
         console.log("result", result)
+
+        return res.status(400).json({
+            errorMessage: error
+        })
+        
     }
     next();
 }
 
-// module.exports = validationResult
\ No newline at end of file

Backend/controllers/authControllers.js

@@ -2,7 +2,7 @@
 // export vs module exports (which works) - fix refactor later
 export const test = (req, res) => {
     // res.send(req.body)  
-    console.log("inside controller")
+    console.log("inside controller", req.body.firstName)
 };
 
 module.exports = test
\ No newline at end of file

Backend/models/eventModel.js

@@ -55,4 +55,5 @@ export const EventSchema = new Schema({
         type: Date, 
         default: Date.now
     }
-})
\ No newline at end of file
+})
+

Backend/models/userModel.js

+import mongoose from 'mongoose'; 
+
+const Schema = mongoose.Schema
+
+export const UserSchema = new Schema({
+    firstName: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    lastName: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    email: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    password: {
+        type: String,
+        required: true,
+        trim: true
+    }
+}, { timestamps: true })
+
+const User = mongoose.model('User', UserSchema);
+
+module.exports = User
\ No newline at end of file

Backend/routes/authRoutes.js

 import {signupValidator, validatorResult} from "../middleware/validator";
 import test from "../controllers/authControllers";
+const { body, validationResult, check } = require('express-validator');
+
 
 const authRoutes = (app) => {
-    app.route('/api/auth/signup', signupValidator, validatorResult).post(test) 
-};
+    app.route('/api/auth/signup',).post(signupValidator, validatorResult, test) 
 
+}
 export default authRoutes;
 

frontend/src/Components/SignUpForm.js

@@ -35,15 +35,18 @@ const SignUpForm = () => {
             setFormData({
                 ...formData, errorMsg: 'All fields are required',
             }) 
-        } else if (!isEmail(formData.email)) {
+        } 
+        else if (!isEmail(formData.email)) {
             setFormData({
                 ...formData, errorMsg: 'Invalid email',
             })
-        } else if (!equals(formData.password, formData.confirmPassword)) {
+        } 
+        else if (!equals(formData.password, formData.confirmPassword)) {
             setFormData({
                 ...formData, errorMsg: 'Passwords do not match',
             })
         } else {
+            
             const {firstName, lastName, email, password} = formData
             const data = {firstName, lastName, email, password}
 
@@ -63,6 +66,7 @@ const SignUpForm = () => {
                 .catch((err) => {
                     console.log(err)
                 })
+                
         }
     }