delete applyEvent-Methods from Group

src/main/java/mops/gruppen2/domain/Group.java

@@ -33,51 +33,4 @@ public class Group {
         this.roles = new HashMap<>();
     }
 
-    private void applyEvent(UpdateRoleEvent event) throws UserNotFoundException {
-        User user;
-
-        Optional<User> userOptional = members.stream()
-                .filter(u -> u.getUser_id().equals(event.getUser_id()))
-                .findFirst();
-
-        if (userOptional.isPresent()) {
-            user = userOptional.get();
-        } else {
-            throw new UserNotFoundException("Nutzer wurde nicht gefunden!");
-        }
-
-        if (roles.containsKey(user) && event.getNewRole() == Role.MEMBER) {
-            roles.remove(user);
-        } else {
-            roles.put(user.getUser_id(), event.getNewRole());
-        }
-    }
-
-    private void applyEvent(AddUserEvent event) throws UserAlreadyExistsException {
-        User user = new User(event.getUser_id(), event.getGivenname(), event.getFamilyname(), event.getEmail());
-
-        if (!this.members.contains(user)) {
-            this.members.add(user);
-        } else {
-            throw new UserAlreadyExistsException("Nutzer bereits in Gruppe vorhanden!");
-        }
-    }
-
-    private void applyEvent(UpdateGroupTitleEvent event) {
-        this.title = event.getNewGroupTitle();
-    }
-
-    private void applyEvent(UpdateGroupDescriptionEvent event) {
-        this.description = event.getNewGroupDescription();
-    }
-
-    private void applyEvent(DeleteUserEvent event) throws UserNotFoundException {
-        User user = new User(event.getUser_id(), "", "", "");
-
-        if (this.members.contains(user)) {
-            this.members.remove(user);
-        } else {
-            throw new UserNotFoundException("Nutzer wurde nicht gefunden!");
-        }
-    }
 }