[BE] SISC1-52 [FIX] 베팅 게임 버그 수정 (#74)

Author: otter2023

backend/src/main/java/org/sejongisc/backend/BackendApplication.java

@@ -4,7 +4,9 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 import org.springframework.retry.annotation.EnableRetry;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
+@EnableScheduling
 @EnableJpaAuditing
 @EnableRetry
 @SpringBootApplication

backend/src/main/java/org/sejongisc/backend/betting/dto/UserBetRequest.java

@@ -1,6 +1,7 @@
 package org.sejongisc.backend.betting.dto;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.validation.constraints.AssertTrue;
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
@@ -24,6 +25,10 @@ public class UserBetRequest {
     @JsonProperty("isFree")
     private boolean free;
 
-    @Min(value = 10, message = "베팅 포인트는 10 이상이어야 합니다.")
     private Integer stakePoints;
+
+    @AssertTrue(message = "베팅 시 포인트는 10 이상이어야 합니다.")
+    public boolean isStakePointsValid() {
+        return free || (stakePoints != null && stakePoints >= 10);
+    }
 }

backend/src/main/java/org/sejongisc/backend/betting/service/BettingService.java

@@ -102,6 +102,9 @@ public UserBet postUserBet(UUID userId, UserBetRequest userBetRequest) {
         int stake = 0;
 
         if (!userBetRequest.isFree()) {
+            if (!userBetRequest.isStakePointsValid()) {
+                throw new CustomException(ErrorCode.BET_POINT_TOO_LOW);
+            }
             pointHistoryService.createPointHistory(
                     userId,
                     -userBetRequest.getStakePoints(),

backend/src/main/java/org/sejongisc/backend/common/exception/ErrorCode.java

@@ -65,7 +65,8 @@ public enum ErrorCode {
   BET_DUPLICATE(HttpStatus.CONFLICT, "이미 이 라운드에 베팅했습니다."),
   BET_TIME_INVALID(HttpStatus.CONFLICT, "베팅 가능 시간이 아닙니다."),
   BET_NOT_FOUND(HttpStatus.NOT_FOUND, "해당 베팅을 찾을 수 없습니다."),
-  BET_ROUND_CLOSED(HttpStatus.CONFLICT, "이미 마감된 라운드입니다.");
+  BET_ROUND_CLOSED(HttpStatus.CONFLICT, "이미 마감된 라운드입니다."),
+  BET_POINT_TOO_LOW(HttpStatus.CONFLICT, "베팅 포인트는 10 이상이어야 합니다.");
 
   private final HttpStatus status;
   private final String message;