Models

Our application uses several data models to represent different data types and their relationships

User

The User class represents an individual user of the application.

userID

private String userID

A unique identifier for each user.

name

private String name

The name of the user.

email

private String email

The email address of the user, used for authentication and communication.

password

private String password

The user's password, stored securely for authentication.

register

public static void register(User user) throws Exception

Registers a new user in the system, creating their account.

login

public static void login(String userId, String password) throws Exception

Authenticates a user using their user ID and password.

loginByEmail

public static void loginByEmail(String email, String password) throws Exception

Authenticates a user using their email address and password.

logout

public void logout() throws Exception

Logs out the current user from the system.

updateProfile

public static void updateProfile(User user)

Updates the user's profile information.

deleteUser

public void deleteUser(User user) throws Exception

Deletes a user's account from the system.

Expense

The Expense class represents an individual expense record.

expenseID

private String expenseID

A unique identifier for each expense.

userID

private String userID

The ID of the user associated with this expense.

description

private String description

A description of the expense.

amount

private Double amount

The monetary amount of the expense.

dueDate

private Date dueDate

The due date for the expense, if applicable.

addExpense

public static void addExpense(Expense expense) throws Exception

Adds a new expense to the system.

editExpense

public static void editExpense(Expense expense) throws Exception

Edits an existing expense in the system.

deleteExpense

public static void deleteExpense(Expense expense) throws Exception

Deletes an expense from the system.

viewExpenses

public static List<Expense> viewExpenses()

Retrieves a list of all expenses for viewing.

Notification

The Notification class represents system notifications for users.

notificationID

private String notificationID

A unique identifier for each notification.

userId

private String userId

The ID of the user to whom this notification is sent.

message

private String message

The content of the notification message.

date

private Date date

The date and time when the notification was created.

isRead

private Boolean isRead

A flag indicating whether the notification has been read by the user.

sendNotification

public static void sendNotification(Notification notification) throws Exception

Sends a new notification to a user.

markAsRead

public static void markAsRead(Notification notification) throws Exception

Marks a notification as read by the user.

viewNotification

public static void viewNotification(String notificationID) throws Exception

Retrieves a specific notification for viewing.

deleteNotification

public static void deleteNotification(Notification notification) throws Exception

Deletes a notification from the system.

Report

The Report class represents expense reports generated for users.

reportId

private String reportId

A unique identifier for each report.

userID

private String userID

The ID of the user for whom this report is generated.

type

private String type

The type of report (e.g., monthly, yearly, category-wise).

generatedDate

private Date generatedDate

The date when the report was generated.

generateExpenseReport

public static void generateExpenseReport(String userID)

Generates an expense report for a specific user.

viewReport

public static Report viewReport(String userID)

Retrieves a report for viewing.

deleteReport

public static void deleteReport(Report report)

Deletes a report from the system.