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feat: Validate bet amount

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Phan Huy Tran 2025-03-26 13:23:27 +01:00 • committed by Jan K9f
parent 1a4b3f073f
commit b2b0bb2f44
4 changed files with 26 additions and 10 deletions
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2
backend/requests/test.http
View file

@ -3,5 +3,5 @@ Authorization: Bearer {{token}}
Content-Type: application/json
{
"betAmount": 999
"betAmount": -1
}

29
backend/src/main/java/de/szut/casino/blackjack/BlackJackGameController.java
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@ -1,8 +1,10 @@
package de.szut.casino.blackjack;
import de.szut.casino.blackjack.dto.CreateBlackJackGameDto;
import de.szut.casino.user.UserEntity;
import de.szut.casino.user.UserService;
import de.szut.casino.user.dto.CreateUserDto;
import de.szut.casino.user.dto.GetUserDto;
import jakarta.validation.Valid;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
@ -13,6 +15,10 @@ import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RestController;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@RestController
public class BlackJackGameController {
@ -21,15 +27,24 @@ public class BlackJackGameController {
private UserService userService;
@PostMapping("/blackjack/start")
public ResponseEntity<?> createBlackJackGame(@RequestBody @Valid CreateBlackJackGameDto gameData, @RequestHeader("Authorization") String token) {
if (gameData.getBetAmount() <= 0 || gameData.getBetAmount() > userService.getCurrentUser(token).getBalance().intValue()) {
return ResponseEntity.badRequest().body("Invalid bet amount");
public ResponseEntity<?> createBlackJackGame(@RequestBody @Valid CreateBlackJackGameDto createBlackJackGameDto, @RequestHeader("Authorization") String token) {
GetUserDto getUserDto = userService.getCurrentUser(token);
BigDecimal balance = getUserDto.getBalance();
if (createBlackJackGameDto.getBetAmount().compareTo(BigDecimal.ZERO) <= 0) {
Map<String, String> errorResponse = new HashMap<>();
errorResponse.put("error", "Invalid bet amount");
return ResponseEntity.badRequest().body(errorResponse);
}
BlackJackGameEntity game = new BlackJackGameEntity();
game.setBet(gameData.getBetAmount());
System.out.println("Balls: ");
System.out.println(game.getBet());
if (createBlackJackGameDto.getBetAmount().compareTo(balance) > 0) {
Map<String, String> errorResponse = new HashMap<>();
errorResponse.put("error", "Insufficient funds");
return ResponseEntity.badRequest().body(errorResponse);
}
return null;
}
}

4
backend/src/main/java/de/szut/casino/blackjack/dto/CreateBlackJackGameDto.java
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@ -5,10 +5,12 @@ import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import java.math.BigDecimal;
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class CreateBlackJackGameDto {
private int betAmount;
private BigDecimal betAmount;
}

1
backend/src/main/java/de/szut/casino/user/UserService.java
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@ -40,7 +40,6 @@ public class UserService {
public GetUserDto getCurrentUser(String token) {
KeycloakUserDto userData = getKeycloakUserInfo(token);
if (userData == null) {
return null;
}