feat: 라이브물품 currentPrice 추가, 낙찰 시 최종가 반영

Author: imlabtory

src/main/java/devut/buzzerbidder/domain/liveBid/service/LiveBidService.java

@@ -55,7 +55,7 @@ public LiveBidResponse bid(LiveBidRequest request, User bidder) {
         );
 
         // 입찰 시도 결과에 따른 분기 처리
-        return handleBidResult(result, request, bidder, liveItem.getSellerUserId(), redisKey, depositAmount);
+        return handleBidResult(result, request, bidder, liveItem, redisKey, depositAmount);
     }
 
     /**
@@ -83,7 +83,7 @@ private LiveBidResponse handleBidResult(
             BidAtomicResult result,
             LiveBidRequest request,
             User bidder,
-            Long sellerId,
+            LiveItem liveItem,
             String redisKey,
             long depositAmount
     ) {
@@ -100,7 +100,7 @@ private LiveBidResponse handleBidResult(
                 throw new BusinessException(ErrorCode.UNEXPECTED_REDIS_SCRIPT_RETURN);
             }
 
-            processSuccessfulBid(request, bidder, sellerId);
+            processSuccessfulBid(request, bidder, liveItem.getSellerUserId());
 
             walletHistoryService.recordWalletHistory(
                     bidder,

src/main/java/devut/buzzerbidder/domain/liveitem/controller/LiveItemController.java

@@ -8,7 +8,6 @@
 import devut.buzzerbidder.domain.liveitem.dto.response.LiveItemDetailResponse;
 import devut.buzzerbidder.domain.liveitem.dto.response.LiveItemListResponse;
 import devut.buzzerbidder.domain.liveitem.dto.response.LiveItemModifyResponse;
-import devut.buzzerbidder.domain.liveitem.dto.response.LiveItemResponse;
 import devut.buzzerbidder.domain.liveitem.service.LiveItemService;
 import devut.buzzerbidder.global.response.ApiResponse;
 import devut.buzzerbidder.global.security.CustomUserDetails;

src/main/java/devut/buzzerbidder/domain/liveitem/dto/response/LiveItemDetailResponse.java

@@ -21,6 +21,7 @@ public record LiveItemDetailResponse(
     String preferredPlace,
     List<String> images,
     Long likeCount,
+    Long initPrice,
     Long currentPrice,
     Boolean isLiked
 ) {

src/main/java/devut/buzzerbidder/domain/liveitem/dto/response/LiveItemResponse.java

@@ -10,6 +10,7 @@ public record LiveItemResponse(
     String image,
     LocalDateTime startAt,
     AuctionStatus auctionStatus,
+    Long initPrice,
     Long currentPrice,
     Boolean isLiked
 ) {
@@ -21,6 +22,7 @@ public LiveItemResponse(LiveItem liveItem,Boolean isLiked ) {
             liveItem.getLiveTime(),
             liveItem.getAuctionStatus(),
             liveItem.getInitPrice(),
+            liveItem.getCurrentPrice(),
             isLiked
         );
     }

src/main/java/devut/buzzerbidder/domain/liveitem/entity/LiveItem.java

@@ -15,10 +15,8 @@
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
+
+import lombok.*;
 import org.hibernate.annotations.BatchSize;
 
 @Getter
@@ -64,6 +62,10 @@ public enum Category {
     @Column(name = "init_price", nullable = false)
     private Long initPrice;
 
+    @Setter
+    @Column(name = "current_price", nullable = false)
+    private Long currentPrice;
+
     @Column(name = "delivery_include")
     @NotNull(message = "배송비 포함 여부는 필수입니다.")
     private Boolean deliveryInclude;
@@ -131,6 +133,7 @@ public LiveItem(LiveItemCreateRequest request, User user) {
         this.category = request.category();
         this.description = request.description();
         this.initPrice = request.initPrice();
+        this.currentPrice = request.initPrice();
         this.deliveryInclude = request.deliveryInclude();
         this.itemStatus = request.itemStatus();
         this.auctionStatus = AuctionStatus.BEFORE_BIDDING;

src/main/java/devut/buzzerbidder/domain/liveitem/service/LiveItemService.java

@@ -386,7 +386,7 @@ public LiveItemDetailResponse getLiveItem(Long id, Long userId) {
         String redisKey = "liveItem:" + liveItem.getId();
 
         String currentMaxPriceStr = liveBidRedisService.getHashField(redisKey, "maxBidPrice");
-        Long currentMaxPrice = (currentMaxPriceStr != null) ? Integer.parseInt(currentMaxPriceStr) : liveItem.getInitPrice();
+        Long currentMaxPrice = (currentMaxPriceStr != null) ? Integer.parseInt(currentMaxPriceStr) : liveItem.getCurrentPrice();
 
         return new LiveItemDetailResponse(
                 liveItem.getId(),
@@ -405,6 +405,7 @@ public LiveItemDetailResponse getLiveItem(Long id, Long userId) {
                         .map(LiveItemImage::getImageUrl)
                         .toList(),
                 likeCount,
+                liveItem.getInitPrice(),
                 currentMaxPrice,
                 isLiked
         );
@@ -502,6 +503,7 @@ public LiveItemListResponse getLiveItems(
                             item.image(),
                             item.startAt(),
                             item.auctionStatus(),
+                            item.initPrice(),
                             currentMaxBidPrice,
                             isLiked
                     );
@@ -562,6 +564,7 @@ public LiveItemListResponse getHotLiveItems(
                             item.image(),
                             item.startAt(),
                             item.auctionStatus(),
+                            item.initPrice(),
                             currentMaxBidPrice,
                             isLiked
                     );
@@ -649,6 +652,7 @@ public void endAuction(Long itemId) {
             Long maxBidPrice = Long.parseLong(maxBidPriceStr);
 
             liveDealService.createDeal(itemId, currentBidderId, maxBidPrice);
+            liveItem.setCurrentPrice(maxBidPrice);
 
             Long winnerDeposit = null;
             if (currentBidderIdStr != null && !currentBidderIdStr.isBlank()) {