Package org.ntnu.idi.idatt2106.sparesti.sparestibackend.service

Class UserService

java.lang.Object

org.ntnu.idi.idatt2106.sparesti.sparestibackend.service.UserService

@Service
public class UserService
extends Object

Handles business logic related to the user entity. Adds an extra layer abstraction between controller and the data layer.

Since:

17.4.24

Version:

1.0

Author:

Harry L.X and Lars M.L.N

Constructor Summary

Constructors

Constructor	Description
UserService()

Method Summary

Modifier and Type	Method	Description
User	findUserByEmail(String email)	Find user by their email
User	findUserByUsername(String username)	Finds a user from a given username.
UserResponse	findUserByUsernameToDTO(String username)	Finds user by their username
StreakResponse	getStreak(String username)	Gets the streak of a user, identified by their username
User	save(User user)	Persists a user entity
void	updatePassword(Long userID, String newPassword)	Updates a user's password
UserResponse	updateUser(String username, UserUpdateDTO updateDTO)	Updates a user specified by their username
boolean	userExistByEmail(String email)	Determines whether a user with the given email exists

Methods inherited from class java.lang.Object

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

Constructor Details

UserService

public UserService()

Method Details

save

public User save(User user)

Persists a user entity

Parameters:

user - User entity

Returns:

The saved user entity

findUserByUsername

public User findUserByUsername(String username)
                        throws UserNotFoundException

Finds a user from a given username.

Parameters:

username - Username used for finding a user

Returns:

User entity with matching username

Throws:

UserNotFoundException - If no user has the given username

findUserByUsernameToDTO

public UserResponse findUserByUsernameToDTO(String username)

Finds user by their username

Parameters:

username - Username of user

Returns:

User with matching username

findUserByEmail

public User findUserByEmail(String email)
                     throws EmailNotFoundException

Find user by their email

Parameters:

email - Email of user

Returns:

User with matching email

Throws:

EmailNotFoundException - If email could not be found

updateUser

public UserResponse updateUser(String username,
 UserUpdateDTO updateDTO)

Updates a user specified by their username

Parameters:

username - username of user

updateDTO - Updated user changes

Returns:

Updated user

userExistByEmail

public boolean userExistByEmail(String email)

Determines whether a user with the given email exists

Parameters:

email - Email

Returns:

True, if a user with the given email exists

updatePassword

public void updatePassword(Long userID,
 String newPassword)

Updates a user's password

Parameters:

userID - Identifies a user

newPassword - New password of user

getStreak

public StreakResponse getStreak(String username)
                         throws UserNotFoundException

Gets the streak of a user, identified by their username

Parameters:

username - Username of user

Returns:

Streak of the user

Throws:

UserNotFoundException - If the user could not be found