Package com.alpaca.service

Interface IUserService

All Superinterfaces:

IGenericService<User,UUID>

All Known Implementing Classes:

UserServiceImpl

public interface IUserService
extends IGenericService<User,UUID>

Service interface for managing User entities. Extends IGenericService to inherit common CRUD operations.

See Also:

• IGenericService

Method Summary

Modifier and Type	Method	Description
boolean	existsByEmail(String email)	Checks if a user exists by their email address.
User	findByEmail(String email)	Finds a user by their email address.
User	register(User user)	Registers a new User entity in the system.

Methods inherited from interface com.alpaca.service.IGenericService

deleteById, existsAllByIds, existsById, existsByUniqueProperties, findAll, findAllByIds, findAllByIdsToSet, findAllPage, findById, save, saveAll, updateById

Method Details

findByEmail

User findByEmail(String email)

Finds a user by their email address.

Parameters:

email - The email address of the user - must not be null.

Returns:

The User entity if found.

Throws:

BadRequestException - if the email is null.

NotFoundException - if the entity is not found.

register

User register(User user)

Registers a new User entity in the system.

This method should be used only after verifying that no existing user has the same email by calling existsByEmail(String email). If a user with the given email already exists, an exception must be thrown before calling this method.

Parameters:

user - The user entity to register - must not be null.

Returns:

The registered user entity.

Throws:

BadRequestException - If the provided user data is null.

existsByEmail

boolean existsByEmail(String email)

Checks if a user exists by their email address.

Parameters:

email - The email address to check - must not be null.

Returns:

true if a user with the given email exists, otherwise false.