feat: 옷 착용 통계 조회 추가

Author: 5IHYUN

src/main/java/com/cloop/cloop/clothes/controller/ClothController.java

@@ -81,4 +81,13 @@ public ResponseEntity<?> donateCloth(@PathVariable Long clothId,
 
         return ResponseEntity.ok(clothService.markAsDonated(clothId));
     }
+
+    @Operation(summary = "옷 착용 통계", description = "전체 옷 착용 통계를 반환합니다")
+    @GetMapping("/statistics")
+    public ResponseEntity<?> getClothStatistics(@AuthenticationPrincipal Long userId) {
+        User user = userRepository.findByUserId(userId)
+                .orElseThrow(() -> new RuntimeException("유저를 찾을 수 없습니다."));
+        return ResponseEntity.ok(clothService.getClothStatistics(user));
+    }
+
 }

src/main/java/com/cloop/cloop/clothes/domain/Cloth.java

@@ -55,6 +55,9 @@ public class Cloth {
 
     @Column(nullable = false)
     private String imageUrl;
+
+    @Column(nullable = false)
+    private int wearCount = 0;
     // LookCloth 중간 테이블 설정
     @OneToMany(mappedBy = "cloth", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<LookCloth> lookClothList = new ArrayList<>();

src/main/java/com/cloop/cloop/clothes/dto/ClothResponse.java

@@ -18,4 +18,5 @@ public class ClothResponse {
     private Boolean donated;
     private String imageUrl;
     private LocalDate lastWornAt;
+    private int wearCount;
 }

src/main/java/com/cloop/cloop/clothes/dto/ClothStatisticsResponse.java

@@ -0,0 +1,17 @@
+package com.cloop.cloop.clothes.dto;
+
+import lombok.*;
+
+import java.time.LocalDate;
+
+@Getter
+@Setter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class ClothStatisticsResponse {
+    private Long clothId;
+    private String clothName;
+    private long wearCount;
+    private LocalDate lastWornAt;
+}

src/main/java/com/cloop/cloop/clothes/service/ClothService.java

@@ -8,6 +8,7 @@
 import com.cloop.cloop.clothes.dto.*;
 import com.cloop.cloop.clothes.repository.ClothRepository;
 import com.cloop.cloop.clothes.repository.DonationRepository;
+import com.cloop.cloop.looks.domain.LookCloth;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
@@ -191,6 +192,7 @@ public List<ClothResponse> getAllClothes(User user) {
                         .season(cloth.getSeason().name())
                         .donated(cloth.getDonated())
                         .imageUrl(cloth.getImageUrl())
+                        .wearCount(cloth.getWearCount())
                         .lastWornAt(cloth.getLastWornAt())
                         .build())
                 .toList();
@@ -241,4 +243,28 @@ public Map<String, Object> markAsDonated(Long clothId) {
                 )
         );
     }
+    //    옷 착용 통게
+    public List<ClothStatisticsResponse> getClothStatistics(User user) {
+        List<Cloth> clothes = clothRepository.findByUser(user);
+
+        return clothes.stream()
+                .map(cloth -> {
+                    List<LookCloth> lookClothList = cloth.getLookClothList();
+
+                    long wearCount = lookClothList.size();
+                    LocalDate lastWornAt = lookClothList.stream()
+                            .map(lc -> lc.getLook().getCreatedAt())
+                            .max(LocalDate::compareTo)
+                            .orElse(null);
+
+                    return ClothStatisticsResponse.builder()
+                            .clothId(cloth.getClothId())
+                            .clothName(cloth.getClothName())
+                            .wearCount(wearCount)
+                            .lastWornAt(lastWornAt)
+                            .build();
+                })
+                .toList();
+    }
+
 }

src/main/java/com/cloop/cloop/looks/service/LookService.java

@@ -56,6 +56,11 @@ public LookResponseDto createLook(LookRequestDto lookRequestDto, String token) {
         if (selectedCloths.isEmpty()) {
             throw new IllegalArgumentException("선택된 옷이 사용자 목록에 존재하지 않습니다.");
         }
+        // cloth 착용 통계 업데이트
+        selectedCloths.forEach(cloth -> {
+            cloth.setLastWornAt(LocalDate.now());
+            cloth.setWearCount(cloth.getWearCount() + 1);
+        });
 
         // LookCloth 생성 (Builder 패턴 사용)
         List<LookCloth> lookClothList = selectedCloths.stream()