refactor: rename getter properly

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

@@ -31,35 +31,35 @@ public class BlackJackGameController {
 
     @GetMapping("/blackjack/{id}")
     public ResponseEntity<Object> getGame(@PathVariable Long id) {
-        BlackJackGameEntity game = getUserGame(id);
+        BlackJackGameEntity game = getBlackJackGame(id);
 
         return ResponseEntity.ok(game);
     }
 
     @PostMapping("/blackjack/{id}/hit")
     public ResponseEntity<Object> hit(@PathVariable Long id) {
-        BlackJackGameEntity game = getUserGame(id);
+        BlackJackGameEntity game = getBlackJackGame(id);
 
         return ResponseEntity.ok(blackJackService.hit(game));
     }
 
     @PostMapping("/blackjack/{id}/stand")
     public ResponseEntity<Object> stand(@PathVariable Long id) {
-        BlackJackGameEntity game = getUserGame(id);
+        BlackJackGameEntity game = getBlackJackGame(id);
 
         return ResponseEntity.ok(blackJackService.stand(game));
     }
 
     @PostMapping("/blackjack/{id}/doubleDown")
     public ResponseEntity<Object> doubleDown(@PathVariable Long id) {
-        BlackJackGameEntity game = getUserGame(id);
+        BlackJackGameEntity game = getBlackJackGame(id);
 
         return ResponseEntity.ok(blackJackService.doubleDown(game));
     }
 
     @PostMapping("/blackjack/{id}/split")
     public ResponseEntity<Object> split(@PathVariable Long id) {
-        BlackJackGameEntity game = getUserGame(id);
+        BlackJackGameEntity game = getBlackJackGame(id);
 
         return ResponseEntity.ok(blackJackService.split(game));
     }
@@ -81,7 +81,7 @@ public class BlackJackGameController {
         return ResponseEntity.ok(blackJackService.createBlackJackGame(user, betDto.getBetAmount()));
     }
 
-    private BlackJackGameEntity getUserGame(Long gameId) {
+    private BlackJackGameEntity getBlackJackGame(Long gameId) {
         Optional<UserEntity> optionalUser = userService.getCurrentUser();
 
         if (optionalUser.isEmpty()) {