fix: delete orhpaned blackjack games

backend/src/main/java/de/szut/casino/blackjack/BlackJackService.java

@@ -35,8 +35,8 @@ public class BlackJackService {
         
         game.setState(getState(game));
         deductBetFromBalance(user, betAmount);
-        
-        return blackJackGameRepository.save(game);
+
+        return processGameBasedOnState(game);
     }
 
     @Transactional
@@ -44,12 +44,11 @@ public class BlackJackService {
         if (game.getState() != BlackJackState.IN_PROGRESS) {
             return game;
         }
-        
+
         dealCardToPlayer(game);
-        
         updateGameStateAndBalance(game);
-        
-        return blackJackGameRepository.save(game);
+
+        return processGameBasedOnState(game);
     }
 
     @Transactional
@@ -57,11 +56,11 @@ public class BlackJackService {
         if (game.getState() != BlackJackState.IN_PROGRESS) {
             return game;
         }
-        
+
         dealCardsToDealerUntilMinimumScore(game);
         determineWinnerAndUpdateBalance(game);
-        
-        return blackJackGameRepository.save(game);
+
+        return processGameBasedOnState(game);
     }
 
     @Transactional
@@ -69,50 +68,59 @@ public class BlackJackService {
         if (game.getState() != BlackJackState.IN_PROGRESS || game.getPlayerCards().size() != 2) {
             return game;
         }
-        
+
         UserEntity user = getUserWithFreshData(game.getUser());
         BigDecimal additionalBet = game.getBet();
-        
+
         deductBetFromBalance(user, additionalBet);
         game.setBet(game.getBet().add(additionalBet));
-        
+
         dealCardToPlayer(game);
         updateGameStateAndBalance(game);
-        
+
         if (game.getState() == BlackJackState.IN_PROGRESS) {
             return stand(game);
         }
-        
+
         return game;
     }
 
     @Transactional
     public BlackJackGameEntity split(BlackJackGameEntity game) {
-        if (game.getState() != BlackJackState.IN_PROGRESS || 
-            game.getPlayerCards().size() != 2 || 
+        if (game.getState() != BlackJackState.IN_PROGRESS ||
+            game.getPlayerCards().size() != 2 ||
             game.isSplit() ||
             !game.getPlayerCards().get(0).getRank().equals(game.getPlayerCards().get(1).getRank())) {
             return game;
         }
-        
+
         UserEntity user = getUserWithFreshData(game.getUser());
         BigDecimal splitBet = game.getBet();
-        
+
         if (user.getBalance().compareTo(splitBet) < 0) {
             return game;
         }
-        
+
         deductBetFromBalance(user, splitBet);
         game.setSplitBet(splitBet);
         game.setSplit(true);
-        
+
         CardEntity card = game.getPlayerCards().remove(1);
         card.setCardType(CardType.PLAYER_SPLIT);
         game.getPlayerSplitCards().add(card);
-        
+
         dealCardToPlayer(game);
         dealCardToSplitHand(game);
-        
+
+        return blackJackGameRepository.save(game);
+    }
+
+    private BlackJackGameEntity processGameBasedOnState(BlackJackGameEntity game) {
+        if (game.getState() != BlackJackState.IN_PROGRESS) {
+            this.blackJackGameRepository.delete(game);
+            return game;
+        }
+
         return blackJackGameRepository.save(game);
     }