refactor: garden 수정

src/main/java/com/example/cp_main_be/CpMainBeApplication.java

@@ -2,10 +2,12 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
 @EnableScheduling
+@EnableJpaAuditing
 public class CpMainBeApplication {
 
   public static void main(String[] args) {

src/main/java/com/example/cp_main_be/domain/garden/garden/domain/Garden.java

@@ -60,10 +60,12 @@ public class Garden {
   private boolean isLocked;
 
   @CreatedDate
-  @Column(updatable = false)
+  @Column(nullable = false)
   private LocalDateTime createdAt;
 
-  @LastModifiedDate private LocalDateTime updatedAt;
+  @LastModifiedDate
+  @Column(nullable = false)
+  private LocalDateTime updatedAt;
 
   @Builder
   public Garden(User user, Integer slotNumber, GardenBackground gardenBackground, Avatar avatar) {
@@ -77,6 +79,8 @@ public Garden(User user, Integer slotNumber, GardenBackground gardenBackground,
 
   public void unlock() {
     this.isLocked = false;
+    this.createdAt = LocalDateTime.now();
+    this.updatedAt = LocalDateTime.now();
   }
 
   public void increaseWaterCount() {

src/main/java/com/example/cp_main_be/domain/member/user/service/UserService.java

@@ -207,13 +207,22 @@ public UserProfileResponse getUserProfile(Long currentUserId, Long profileUserId
       followStatus = FollowStatus.NOT_FOLLOWING;
     }
 
-    // 2. 남에게 물 줄 수 있는 남은 횟수 계산 (현재 접속 유저 기준)
+    // 2. 남에게 물 줄 수 있는 남은 횟수 계산
     LocalDateTime startOfWateringDay = getStartOfCurrentWateringDay();
-    int todayWateringCountForOthers =
+
+    // 2-1. 프로필 주인이 남에게 물을 줄 수 있는 남은 횟수 (응답 DTO용)
+    int profileUserWateringCount =
+        friendWateringLogRepository.countByWaterGiverAndWateredAtAfter(
+            profileUser, startOfWateringDay);
+    long leftWaterCountForProfileUser =
+        Math.max(0, (long) MAX_FRIEND_WATERING_PER_DAY - profileUserWateringCount);
+
+    // 2-2. 현재 접속 유저가 남에게 물을 줄 수 있는 남은 횟수 (물주기 가능 여부 판단용)
+    int currentUserWateringCount =
         friendWateringLogRepository.countByWaterGiverAndWateredAtAfter(
             currentUser, startOfWateringDay);
-    long leftWaterCountForOthers =
-        Math.max(0, (long) MAX_FRIEND_WATERING_PER_DAY - todayWateringCountForOthers);
+    long leftWaterCountForCurrentUser =
+        Math.max(0, (long) MAX_FRIEND_WATERING_PER_DAY - currentUserWateringCount);
 
     // [성능 개선] N+1 문제를 해결하기 위해, 오늘 내가 물 준 정원 ID 목록을 한 번에 조회합니다.
     Set<Long> wateredGardenIds =
@@ -229,7 +238,8 @@ public UserProfileResponse getUserProfile(Long currentUserId, Long profileUserId
                 garden -> {
                   // DB를 반복 조회하는 대신, 미리 조회한 Set에서 확인하여 성능을 개선합니다.
                   boolean alreadyWateredByMe = wateredGardenIds.contains(garden.getId());
-                  boolean isWateringAbleByMe = leftWaterCountForOthers > 0 && !alreadyWateredByMe;
+                  boolean isWateringAbleByMe =
+                      leftWaterCountForCurrentUser > 0 && !alreadyWateredByMe;
 
                   HomeResponseDto.AvatarInfo avatarInfoForGarden =
                       HomeResponseDto.AvatarInfo.builder()
@@ -254,7 +264,7 @@ public UserProfileResponse getUserProfile(Long currentUserId, Long profileUserId
         .userNickname(profileUser.getNickname())
         .profileImageUrl(profileImageUrl)
         .followStatus(followStatus)
-        .leftWaterCountForOthers(leftWaterCountForOthers)
+        .leftWaterCountForOthers(leftWaterCountForProfileUser)
         .userGardens(userGardens)
         .build();
   }