Changed User class so that it follows a Simple Factory design pattern, just in case we want to add different types of Users

Author: Madhavan7

src/main/java/BasicUser.java

@@ -0,0 +1,5 @@
+public class BasicUser extends User{
+    public BasicUser(String Username, String Password, String Email){
+        super(Username, Password, Email);
+    }
+}

src/main/java/User.java

@@ -1,8 +1,8 @@
 import java.io.Serializable;
-public class User implements Serializable{
-    private String username;
-    private String password;
-    private String email;
+public abstract class User implements Serializable{
+    protected String username;
+    protected String password;
+    protected String email;
     boolean verified = false;
     boolean online = false;
     public User(String username, String password, String email){
@@ -16,7 +16,7 @@ public String getEmail(){
     public String getUsername(){
         return this.username;
     }
-    public String getPassword(){
+    private String getPassword(){
         return this.password;
     }
 

src/main/java/UserCreator.java

@@ -1,4 +1,4 @@
 
 public interface UserCreator {
-    void createUser(String username, String password, String email);
+    void createUser(String username, String password, String email, String type);
 }

src/main/java/UserDatabase.java

@@ -29,8 +29,8 @@ public boolean UserExists(String username, String email) {
     // The order is username, password, email address, verification status, status
     //
     @Override
-    public void createUser(String username, String password, String email){
-        User newUser = new User(username, password, email);
+    public void createUser(String username, String password, String email, String type){
+        User newUser = UserFactory.BirthUser(username, password, email, type);
         try(FileOutputStream fileOut = new FileOutputStream(accounts)){
             try(ObjectOutputStream out = new ObjectOutputStream(fileOut)){
                 out.writeObject(newUser);

src/main/java/UserFactory.java

@@ -0,0 +1,6 @@
+public class UserFactory {
+    //Following the factory design pattern, just in case in the future we decide to add various different types of Users
+    public static User BirthUser(String Username, String Password, String Email, String type){
+        return new BasicUser(Username, Password, Email);
+    }
+}

src/test/java/UserDatabaseTest.java

@@ -8,14 +8,14 @@ public class UserDatabaseTest {
     public void addingFilesRightEmailAndUser(){
         File accounts = new File("TestUserDatabase2.csv");
         UserDatabase accountDatabase = new UserDatabase(accounts);
-        accountDatabase.createUser("MadhavGopakumar", "123", "[email protected]");
+        accountDatabase.createUser("MadhavGopakumar", "123", "[email protected]", "Basic");
         Assertions.assertTrue(accountDatabase.UserExists("MadhavGopakumar", "[email protected]"));
     }
     @Test
     public void addingMultipleFiles(){
         File accounts = new File("TestUserDatabase2.csv");
         UserDatabase accountDatabase = new UserDatabase(accounts);
-        accountDatabase.createUser("MeenakshiGopakumar", "123", "[email protected]");
+        accountDatabase.createUser("MeenakshiGopakumar", "123", "[email protected]", "Basic");
         Assertions.assertTrue(accountDatabase.UserExists("MeenakshiGopakumar", "[email protected]"));
     }
     @Test