Package com.example.demo.appuser

Class AppUserService

java.lang.Object

com.example.demo.appuser.AppUserService

All Implemented Interfaces:

org.springframework.security.core.userdetails.UserDetailsService

@Service
public class AppUserService
extends Object
implements org.springframework.security.core.userdetails.UserDetailsService

Service class that manages business logic for AppUser entities. It implements UserDetailsService to integrate with Spring Security for user authentication.

Constructor Summary

Constructors

Constructor	Description
AppUserService()

Method Summary

Modifier and Type	Method	Description
int	enableAppUser(String email)	Activates a user account by setting the enabled status to true.
org.springframework.security.core.userdetails.UserDetails	loadUserByUsername(String email)	Locates the user based on the email address.
String	signUpUser(AppUser appUser)	Handles the user registration process.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AppUserService

public AppUserService()

Method Details

loadUserByUsername

public org.springframework.security.core.userdetails.UserDetails loadUserByUsername(String email)
                                                                             throws org.springframework.security.core.userdetails.UsernameNotFoundException

Locates the user based on the email address. This method is required by the UserDetailsService interface and is used by Spring Security during the authentication process.

Specified by:

loadUserByUsername in interface org.springframework.security.core.userdetails.UserDetailsService

Parameters:

email - The email (username) identifying the user whose data is required.

Returns:

A fully populated user record (an AppUser instance).

Throws:

org.springframework.security.core.userdetails.UsernameNotFoundException - if the user with the given email is not found.

signUpUser

public String signUpUser(AppUser appUser)

Handles the user registration process.

This method checks if the user already exists, encodes the password, saves the new user to the database, generates a unique confirmation token, and persists the token.

Parameters:

appUser - The AppUser object containing the new user's details.

Returns:

The generated confirmation token string.

Throws:

IllegalStateException - if a user with the provided email already exists.

enableAppUser

public int enableAppUser(String email)

Activates a user account by setting the enabled status to true. This method is typically called after the user successfully confirms their email via the confirmation token.

Parameters:

email - The email of the user to enable.

Returns:

The number of records updated (should be 1 upon success).