email verfication after account creation, password component, added password special characters

backend/models/User.js

@@ -72,6 +72,18 @@ const User = sequelize.define(
       type: DataTypes.BOOLEAN,
       defaultValue: false,
     },
+    verificationToken: {
+      type: DataTypes.STRING,
+      allowNull: true,
+    },
+    verificationTokenExpiry: {
+      type: DataTypes.DATE,
+      allowNull: true,
+    },
+    verifiedAt: {
+      type: DataTypes.DATE,
+      allowNull: true,
+    },
     defaultAvailableAfter: {
       type: DataTypes.STRING,
       defaultValue: "09:00",
@@ -173,4 +185,41 @@ User.prototype.resetLoginAttempts = async function () {
   });
 };
 
+// Email verification methods
+User.prototype.generateVerificationToken = async function () {
+  const crypto = require("crypto");
+  const token = crypto.randomBytes(32).toString("hex");
+  const expiry = new Date(Date.now() + 24 * 60 * 60 * 1000); // 24 hours
+
+  return this.update({
+    verificationToken: token,
+    verificationTokenExpiry: expiry,
+  });
+};
+
+User.prototype.isVerificationTokenValid = function (token) {
+  if (!this.verificationToken || !this.verificationTokenExpiry) {
+    return false;
+  }
+
+  if (this.verificationToken !== token) {
+    return false;
+  }
+
+  if (new Date() > new Date(this.verificationTokenExpiry)) {
+    return false;
+  }
+
+  return true;
+};
+
+User.prototype.verifyEmail = async function () {
+  return this.update({
+    isVerified: true,
+    verifiedAt: new Date(),
+    verificationToken: null,
+    verificationTokenExpiry: null,
+  });
+};
+
 module.exports = User;