validator added

controllers/projectsController.js

@@ -1,6 +1,7 @@
 const Project = require("../models/projectModel");
 const mongoose = require("mongoose");
 const { findOneAndDelete } = require("../models/projectModel");
+
 //get all projects
 const getAllProjects = async (req, res) => {
   const projects = await Project.find({}).sort({ createdAt: -1 });

models/usermodel.js

@@ -1,5 +1,6 @@
 const mongoose = require("mongoose");
 const bcrypt = require("bcrypt");
+const validator = require("validator");
 
 const Schema = mongoose.Schema;
 
@@ -15,11 +16,46 @@ const userSchema = new Schema({
   },
 });
 
+//password requirements massege
+const passRequirementsMessage = () => {
+  return `<div>
+      <p>
+        Your password is invalid. For security reasons, please choose a
+        stronger password that meets the following requirements:
+      </p>
+      <ul>
+        <li>Must be at least 8 characters long</li>
+        <li>Must contain a combination of uppercase and lowercase letters</li>
+        <li>
+          Must include at least one number and one special character (e.g.
+          !,@,#,$,%)
+        </li>
+      </ul>
+
+      <p>Please try again with a stronger password.</p>
+    </div>`;
+};
+
 userSchema.statics.signup = async function (email, password) {
+  //validation
+  if (!email && !password) {
+    throw Error("All Fields Must Be Filled");
+  }
+
+  //check if email is valid
+  if (!validator.isEmail(email)) {
+    throw Error("Invalid Email ");
+  }
+
+  //lowercase, Uppercase, Number, Symble, 8+ chars
+  if (!validator.isStrongPassword(password)) {
+    throw Error(passRequirementsMessage());
+  }
+
   const exist = await this.findOne({ email });
 
   if (exist) {
-    throw Error("mail already used");
+    throw Error("Email Already Used");
   }
 
   //encript password

package.json

@@ -18,6 +18,7 @@
     "express": "^4.18.2",
     "i": "^0.3.7",
     "mongoose": "^6.9.2",
-    "npm": "^9.5.1"
+    "npm": "^9.5.1",
+    "validator": "^13.9.0"
   }
 }