com.student_loan.service.UserService Class Reference

Public Member Functions
List< User >	getAllUsers ()
Optional< User >	getUserById (Long id)
User	updateUser (Long id, User newData)
boolean	register (User user)
String	login (CredentialsDTO credentials)
boolean	logout (String token)
void	deleteUser (Long id)
User	getUserByToken (String token)
User	getUserByEmail (String email)

Detailed Description

Service class for managing users in the system. Handles operations such as retrieving, creating, saving, and deleting users.

Definition at line 24 of file UserService.java.

Member Function Documentation

deleteUser()

void com.student_loan.service.UserService.deleteUser

(

Long

id

)

Deletes a user by ID.

Parameters

id

User ID.

Exceptions

RuntimeException

if the user is not found.

Definition at line 175 of file UserService.java.

getAllUsers()

List< User > com.student_loan.service.UserService.getAllUsers

(

)

Retrieves all users from the repository.

Returns

List of all users.

Definition at line 45 of file UserService.java.

getUserByEmail()

User com.student_loan.service.UserService.getUserByEmail

(

String

email

)

Finds a user by their email address.

Parameters

email

The user's email.

Returns

The user if found, or null otherwise.

Definition at line 199 of file UserService.java.

getUserById()

Optional< User > com.student_loan.service.UserService.getUserById

(

Long

id

)

Finds a user by their ID.

Parameters

id

Returns

Definition at line 54 of file UserService.java.

getUserByToken()

User com.student_loan.service.UserService.getUserByToken

(

String

token

)

Retrieves a user based on a valid JWT token.

Parameters

token

JWT token.

Returns

The user associated with the token.

Definition at line 189 of file UserService.java.

login()

String com.student_loan.service.UserService.login

(

CredentialsDTO

credentials

)

Authenticates a user using email and password.

Parameters

credentials

Login credentials.

Returns

JWT token if successful, or error message.

Definition at line 141 of file UserService.java.

logout()

boolean com.student_loan.service.UserService.logout

(

String

token

)

Logs out a user by invalidating their token.

Parameters

token

The user's token.

Returns

true if logout is successful, false otherwise.

Definition at line 161 of file UserService.java.

register()

boolean com.student_loan.service.UserService.register

(

User

user

)

Registers a new user after checking for email uniqueness.

Parameters

user	The user to register.

Returns

true if registration is successful, false if email already exists.

Definition at line 124 of file UserService.java.

updateUser()

User com.student_loan.service.UserService.updateUser	(	Long	id,
		User	newData
	)

Updates a user's information.

Parameters

id	The ID of the user to update.
updatedUserData	Object containing updated fields.

Returns

The updated user.

Exceptions

RuntimeException

if user is not found.

Definition at line 66 of file UserService.java.

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The documentation for this class was generated from the following file:

• /home/runner/work/BSPQ25-E3/BSPQ25-E3/backend/src/main/java/com/student_loan/service/UserService.java