add me point to load user data of current user

src/utils/encryptionUtils.ts

@@ -1,10 +1,15 @@
 import jwt from "jsonwebtoken";
 import  bcrypt from "bcrypt";
 import dotenv from "dotenv";
+import { AuthPayload } from "../dtos/AuthPayload.js";
 
 dotenv.config();
 const { JWT_SECRET = "" } = process.env;
 
+/**
+ * Information on the current auth token containing the
+ * token itself as well as its expiry date
+ */
 export class tokenInfo{
   constructor(token: string, expiryDate: Date){
     this.token = token;
@@ -14,22 +19,47 @@ export class tokenInfo{
   expiryDate: Date;
 }
 
+/**
+ * Responsible for handling of encrypted passwords and token handling
+ */
 export class encrypt {
+  /**
+   * Encrypts a password string
+   * @param password Password string
+   * @returns encrypted password string
+   */
   static async encryptpass(password: string) {
     return bcrypt.hashSync(password, 12);
   }
-  static comparepassword(password: string, hashPassword: string) {
-  return bcrypt.compareSync(password, hashPassword);
-}
 
-  static generateToken(payload: object) {
+  /**
+   * Compares a plain text password to an encrypted password
+   * @param password plain text password
+   * @param hashPassword ecrypted password
+   * @returns Boolean indicating whether both passwords are identical
+   */
+  static comparepassword(password: string, hashPassword: string) : boolean{
+    return bcrypt.compareSync(password, hashPassword);
+  }
+
+/**
+ * Generates an authentication token that will be valid for one day based on the payload provided 
+ * @param payload AuthPayload containing the userId
+ * @returns tokenInfo containing authentication token and expiryDate
+ */
+  static generateToken(payload: AuthPayload) : tokenInfo {
     let expiryDate = new Date();
     expiryDate.setDate(expiryDate.getDate() + 1); // 1 day
     const token = jwt.sign(payload, JWT_SECRET, { expiresIn: "1d" });
     return new tokenInfo(token, expiryDate);
   }
 
-  static verifyToken(token: string) {
+  /**
+   * Verifys the token and decrypts the payload
+   * @param token authentiction token
+   * @returns Payload of the token
+   */
+  static verifyToken(token: string) : jwt.JwtPayload | string {
     return jwt.verify(token, JWT_SECRET);
   }
 }