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UserService.java

package CMP330.Database;

import CMP330.Models.User;
import CMP330.Utils.DateFns;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.support.ConnectionSource;

import java.sql.SQLException;
import java.text.DateFormat;

public class UserService {
    private Database db;
    private DateFns date;

    public UserService(Database database, DateFns date) {
        this.db = database;
        this.date = date;
    }

    //    TODO: Add a way to check if username exists in db.
    private User createUser(String username, String password, String email) throws SQLException {
        // Get the current time as a string
        String currentTime = date.customDateFormat(DateFns.DateFormatOptions.Default);
        // Options to create new user
        User newUser = new User(currentTime, currentTime, username, email, password, "USER");
        // Save user to db.
        db.getUserDao().create(newUser);

        return newUser;
    }

    // Login the user
    private User loginUser(String username, String password) throws Exception {
        // Find user by username
        User foundUser = db.getUserDao().queryForId(username);
        // Throw error if password is incorrect
        if(!comparePassword(foundUser,password)) throw new Exception("Invalid Username or Password");
        return foundUser;
    }


    private Boolean comparePassword(User user, String password){
        // Guard clause to check if the user password is equal to the entered password
        if (user.getPassword().equals(password)) return true;

        return false;
    }

}