Fix/login

Adding some javadoc and adding applicationState when logging in

src/main/java/NTNU/IDATT1002/repository/LoginRepository.java

 package NTNU.IDATT1002.repository;
 
 
+import NTNU.IDATT1002.ApplicationState;
+import NTNU.IDATT1002.models.ImageAlbum;
 import NTNU.IDATT1002.models.Login;
 import NTNU.IDATT1002.models.User;
 import NTNU.IDATT1002.utils.Authentication;
@@ -12,16 +14,38 @@ import java.util.Date;
 import java.util.List;
 import java.util.Optional;
 
+/**
+ * Login Repository
+ *
+ * Implements {@link Repository} whick supports CRUD operations.
+ *
+ * @author madslun
+ * @version 1.0 22.03.20
+ * @see NTNU.IDATT1002.repository.Repository
+ */
 
 public class LoginRepository extends GenericRepository<Login, String>{
 
     private EntityManager entityManager;
 
+
+    /**
+     * Constructor to inject {@link EntityManager} dependency and sets the class type to {@link Login}
+     *
+     * @param entityManager the entity manager to utilize
+     */
     public LoginRepository(EntityManager entityManager) {
         super(entityManager);
         setClassType(Login.class);
     }
 
+    /**
+     * Logs a user into the sytem
+     *
+     * @param username of user that should login
+     * @param password of the user that should login
+     * @return boolean of the operation
+     */
     public boolean logIn(String username, String password) {
         try {
             Optional<Login> login = findById(username);
@@ -37,6 +61,15 @@ public class LoginRepository extends GenericRepository<Login, String>{
         return false;
     }
 
+    /**
+     * Checks the old password on the user and changes to the new password if the old is correct
+     *
+     * @param username of the user that want to change password
+     * @param oldPassword that will be checked to the database
+     * @param newPassword that will be changed to
+     * @return boolean of the operation
+     */
+
     public boolean changePassword(String username, String oldPassword, String newPassword) {
         ArrayList<String> info = new ArrayList<>();
         try {