refactor: throw and handle user not found exceptions

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

@@ -1,5 +1,6 @@
 package de.szut.casino.blackjack;
 
+import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.shared.dto.BetDto;
 import de.szut.casino.shared.service.BalanceService;
 import de.szut.casino.user.UserEntity;
@@ -31,7 +32,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();
@@ -48,7 +49,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();
@@ -65,7 +66,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();
@@ -82,7 +83,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();
@@ -99,7 +100,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();
@@ -116,7 +117,7 @@ public class BlackJackGameController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();

backend/src/main/java/de/szut/casino/exceptionHandling/GlobalExceptionHandler.java

@@ -1,8 +1,6 @@
 package de.szut.casino.exceptionHandling;
 
-import io.swagger.v3.oas.annotations.media.Content;
+import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
-import io.swagger.v3.oas.annotations.responses.ApiResponse;
-import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ControllerAdvice;
@@ -12,17 +10,11 @@ import org.springframework.web.context.request.WebRequest;
 import java.util.Date;
 
 @ControllerAdvice
-@ApiResponses(value = {
-        @ApiResponse(responseCode = "500", description = "invalid JSON posted",
-                content = @Content)
-})
 public class GlobalExceptionHandler {
 
-    @ExceptionHandler(ResourceNotFoundException.class)
+    @ExceptionHandler(UserNotFoundException.class)
-    public ResponseEntity<?> handleHelloEntityNotFoundException(ResourceNotFoundException ex, WebRequest request) {
+    public ResponseEntity<?> handleUserNotFoundException(UserNotFoundException ex, WebRequest request) {
         ErrorDetails errorDetails = new ErrorDetails(new Date(), ex.getMessage(), request.getDescription(false));
         return new ResponseEntity<>(errorDetails, HttpStatus.NOT_FOUND);
     }
-
-
 }

backend/src/main/java/de/szut/casino/exceptionHandling/ResourceNotFoundException.java

@@ -1,11 +0,0 @@
-package de.szut.casino.exceptionHandling;
-
-import org.springframework.http.HttpStatus;
-import org.springframework.web.bind.annotation.ResponseStatus;
-
-@ResponseStatus(value = HttpStatus.NOT_FOUND)
-public class ResourceNotFoundException extends RuntimeException {
-    public ResourceNotFoundException(String message) {
-        super(message);
-    }
-}

backend/src/main/java/de/szut/casino/exceptionHandling/exceptions/UserNotFoundException.java

@@ -0,0 +1,11 @@
+package de.szut.casino.exceptionHandling.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.NOT_FOUND)
+public class UserNotFoundException extends RuntimeException {
+    public UserNotFoundException() {
+        super("user not found");
+    }
+}

backend/src/main/java/de/szut/casino/lootboxes/LootBoxController.java

@@ -1,5 +1,6 @@
 package de.szut.casino.lootboxes;
 
+import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.user.UserEntity;
 import de.szut.casino.user.UserRepository;
 import de.szut.casino.user.UserService;
@@ -37,7 +38,7 @@ public class LootBoxController {
 
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();

backend/src/main/java/de/szut/casino/slots/SlotController.java

@@ -1,5 +1,6 @@
 package de.szut.casino.slots;
 
+import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.shared.dto.BetDto;
 import de.szut.casino.shared.service.BalanceService;
 import de.szut.casino.user.UserEntity;
@@ -31,7 +32,7 @@ public class SlotController {
         Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
 
         if (optionalUser.isEmpty()) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         UserEntity user = optionalUser.get();

backend/src/main/java/de/szut/casino/user/UserController.java

@@ -1,5 +1,6 @@
 package de.szut.casino.user;
 
+import de.szut.casino.exceptionHandling.exceptions.UserNotFoundException;
 import de.szut.casino.user.dto.CreateUserDto;
 import de.szut.casino.user.dto.GetUserDto;
 import jakarta.validation.Valid;
@@ -34,7 +35,7 @@ public class UserController {
         GetUserDto userData = userService.getCurrentUserAsDto(token);
 
         if (userData == null) {
-            return ResponseEntity.notFound().build();
+            throw new UserNotFoundException();
         }
 
         return ResponseEntity.ok(userData);