[Feat] 세모피드 조회 응답값 추가 및 세모피드 이모지 추가 및 감소 기능 추가

AGENTS.md

@@ -35,6 +35,11 @@
   - `./gradlew build`
 - If full tests fail because local infrastructure such as PostgreSQL or Redis is unavailable, report that clearly and distinguish it from failures caused by the code change.
 
+## Git
+- Commit messages must use the format `type: 한글 메시지`.
+- Keep the type in English, such as `feat`, `fix`, `docs`, `test`, `refactor`, `chore`, and write the description in Korean.
+- Split database migration changes into a separate commit from application code changes.
+
 ## Editing Rules
 - Never revert or overwrite user changes unless explicitly requested.
 - Keep changes narrowly scoped to the requested task.

src/main/java/com/semosan/api/common/status/SuccessStatus.java

@@ -75,6 +75,7 @@ public enum SuccessStatus implements BaseStatus {
     SEMOFEED_MY_LIST_SUCCESS(HttpStatus.OK, "SF_200_2", "내 세모피드 목록 조회에 성공했습니다."),
     SEMOFEED_TOGGLE_PUBLIC_SUCCESS(HttpStatus.OK, "SF_200_3", "세모피드 공개 상태가 변경되었습니다."),
     SEMOFEED_DELETE_SUCCESS(HttpStatus.OK, "SF_200_4", "세모피드가 삭제되었습니다."),
+    SEMOFEED_EMOJI_TOGGLE_SUCCESS(HttpStatus.OK, "SF_200_5", "세모피드 이모지 처리에 성공했습니다."),
     SEMOFEED_CREATE_SUCCESS(HttpStatus.CREATED, "SF_201_1", "세모피드가 저장되었습니다."),
 
     /**

src/main/java/com/semosan/api/domain/semofeed/controller/SemoFeedController.java

@@ -4,8 +4,12 @@
 import com.semosan.api.common.response.PageResponse;
 import com.semosan.api.common.status.SuccessStatus;
 import com.semosan.api.domain.semofeed.controller.docs.SemoFeedControllerDocs;
+import com.semosan.api.domain.semofeed.dto.SemoFeedEmojiRequest;
+import com.semosan.api.domain.semofeed.dto.SemoFeedEmojiToggleResponse;
 import com.semosan.api.domain.semofeed.dto.SemoFeedResponse;
+import com.semosan.api.domain.semofeed.service.SemoFeedEmojiService;
 import com.semosan.api.domain.semofeed.service.SemoFeedService;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
@@ -22,6 +26,7 @@
 public class SemoFeedController implements SemoFeedControllerDocs {
 
     private final SemoFeedService semoFeedService;
+    private final SemoFeedEmojiService semoFeedEmojiService;
 
     @PostMapping
     @Override
@@ -35,24 +40,37 @@ public ResponseEntity<ApiResponse<SemoFeedResponse>> create(
 
     @GetMapping
     @Override
+    // 공개 세모피드 목록을 작성자 정보와 이모지 상태까지 포함해 조회합니다.
     public ResponseEntity<ApiResponse<PageResponse<SemoFeedResponse>>> listPublic(
+            @AuthenticationPrincipal Long userId,
             @PageableDefault(size = 100) Pageable pageable
     ) {
         if (pageable.getPageSize() > 100) {
             pageable = PageRequest.of(pageable.getPageNumber(), 100, pageable.getSort());
         }
-        return ApiResponse.success(
-                SuccessStatus.SEMOFEED_LIST_SUCCESS,
-                PageResponse.from(semoFeedService.listPublic(pageable))
-        );
+        PageResponse<SemoFeedResponse> response = PageResponse.from(semoFeedService.listPublic(pageable, userId));
+        return ApiResponse.success(SuccessStatus.SEMOFEED_LIST_SUCCESS, response);
+    }
+
+    @PostMapping("/{semoFeedId}/emojis")
+    @Override
+    // 세모피드 이모지를 타입별로 등록하거나 취소합니다.
+    public ResponseEntity<ApiResponse<SemoFeedEmojiToggleResponse>> toggleEmoji(
+            @AuthenticationPrincipal Long userId,
+            @PathVariable Long semoFeedId,
+            @Valid @RequestBody SemoFeedEmojiRequest request
+    ) {
+        SemoFeedEmojiToggleResponse response = semoFeedEmojiService.toggleWithCount(userId, semoFeedId, request.emojiType());
+        return ApiResponse.success(SuccessStatus.SEMOFEED_EMOJI_TOGGLE_SUCCESS, response);
     }
 
     @GetMapping("/me")
     @Override
     public ResponseEntity<ApiResponse<List<SemoFeedResponse>>> listMine(
             @AuthenticationPrincipal Long userId
     ) {
-        return ApiResponse.success(SuccessStatus.SEMOFEED_MY_LIST_SUCCESS, semoFeedService.listMine(userId));
+        List<SemoFeedResponse> response = semoFeedService.listMine(userId);
+        return ApiResponse.success(SuccessStatus.SEMOFEED_MY_LIST_SUCCESS, response);
     }
 
     @PatchMapping("/{semoFeedId}/public")

src/main/java/com/semosan/api/domain/semofeed/controller/docs/SemoFeedControllerDocs.java

@@ -2,13 +2,16 @@
 
 import com.semosan.api.common.response.ApiResponse;
 import com.semosan.api.common.response.PageResponse;
+import com.semosan.api.domain.semofeed.dto.SemoFeedEmojiRequest;
+import com.semosan.api.domain.semofeed.dto.SemoFeedEmojiToggleResponse;
 import com.semosan.api.domain.semofeed.dto.SemoFeedResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Valid;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.web.PageableDefault;
 import org.springframework.http.ResponseEntity;
@@ -53,9 +56,33 @@ ResponseEntity<ApiResponse<SemoFeedResponse>> create(
             )
     })
     ResponseEntity<ApiResponse<PageResponse<SemoFeedResponse>>> listPublic(
+            @AuthenticationPrincipal Long userId,
             @PageableDefault(size = 100) Pageable pageable
     );
 
+    @Operation(
+            summary = "세모피드 이모지 토글",
+            description = "세모피드에 FIRE, HEART, CONGRATS, LAUGH 이모지를 타입별로 등록하거나 취소합니다."
+    )
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(
+                    responseCode = "200",
+                    description = "세모피드 이모지 처리 성공",
+                    content = @Content(schema = @Schema(implementation = SemoFeedEmojiToggleResponse.class))
+            ),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(
+                    responseCode = "404",
+                    description = "세모피드를 찾을 수 없음 (SF_404_1)",
+                    content = @Content(schema = @Schema(implementation = ApiResponse.class))
+            )
+    })
+    ResponseEntity<ApiResponse<SemoFeedEmojiToggleResponse>> toggleEmoji(
+            @AuthenticationPrincipal Long userId,
+            @Parameter(description = "세모피드 ID", required = true)
+            @PathVariable Long semoFeedId,
+            @Valid @RequestBody SemoFeedEmojiRequest request
+    );
+
     @Operation(
             summary = "내 세모피드 목록 조회",
             description = "로그인한 사용자의 세모피드를 최신순으로 전체 조회합니다."

src/main/java/com/semosan/api/domain/semofeed/dto/SemoFeedEmojiRequest.java

@@ -0,0 +1,10 @@
+package com.semosan.api.domain.semofeed.dto;
+
+import com.semosan.api.domain.semofeed.enums.SemoFeedEmojiType;
+import jakarta.validation.constraints.NotNull;
+
+public record SemoFeedEmojiRequest(
+        @NotNull(message = "emojiType 은 필수입니다.")
+        SemoFeedEmojiType emojiType
+) {
+}

src/main/java/com/semosan/api/domain/semofeed/dto/SemoFeedEmojiToggleResponse.java

@@ -0,0 +1,10 @@
+package com.semosan.api.domain.semofeed.dto;
+
+import com.semosan.api.domain.semofeed.enums.SemoFeedEmojiType;
+
+public record SemoFeedEmojiToggleResponse(
+        SemoFeedEmojiType emojiType,
+        boolean reacted,
+        long count
+) {
+}

src/main/java/com/semosan/api/domain/semofeed/dto/SemoFeedResponse.java

@@ -1,17 +1,65 @@
 package com.semosan.api.domain.semofeed.dto;
 
 import com.semosan.api.domain.semofeed.entity.SemoFeed;
+import com.semosan.api.domain.semofeed.enums.SemoFeedEmojiType;
+
+import java.util.EnumMap;
+import java.util.Map;
 
 public record SemoFeedResponse(
         Long id,
+        Long userId,
+        String profileUrl,
+        String nickname,
         String imageUrl,
-        boolean isPublic
+        boolean isPublic,
+        Map<SemoFeedEmojiType, Long> emojiCounts,
+        Map<SemoFeedEmojiType, Boolean> reactedByMe,
+        boolean mine
 ) {
     public static SemoFeedResponse from(SemoFeed semoFeed) {
+        return of(
+                semoFeed,
+                defaultEmojiCounts(),
+                defaultReactedByMe(),
+                true
+        );
+    }
+
+    public static SemoFeedResponse of(
+            SemoFeed semoFeed,
+            Map<SemoFeedEmojiType, Long> emojiCounts,
+            Map<SemoFeedEmojiType, Boolean> reactedByMe,
+            boolean mine
+    ) {
         return new SemoFeedResponse(
                 semoFeed.getId(),
+                semoFeed.getUser().getId(),
+                semoFeed.getUser().getProfileUrl(),
+                semoFeed.getUser().displayName(),
                 semoFeed.getImageUrl(),
-                semoFeed.isPublic()
+                semoFeed.isPublic(),
+                emojiCounts,
+                reactedByMe,
+                mine
         );
     }
+
+    // 새로 생성된 세모피드 응답에 기본 이모지 개수를 채웁니다.
+    private static Map<SemoFeedEmojiType, Long> defaultEmojiCounts() {
+        Map<SemoFeedEmojiType, Long> emojiCounts = new EnumMap<>(SemoFeedEmojiType.class);
+        for (SemoFeedEmojiType emojiType : SemoFeedEmojiType.values()) {
+            emojiCounts.put(emojiType, 0L);
+        }
+        return emojiCounts;
+    }
+
+    // 새로 생성된 세모피드 응답에 기본 내 반응 상태를 채웁니다.
+    private static Map<SemoFeedEmojiType, Boolean> defaultReactedByMe() {
+        Map<SemoFeedEmojiType, Boolean> reactedByMe = new EnumMap<>(SemoFeedEmojiType.class);
+        for (SemoFeedEmojiType emojiType : SemoFeedEmojiType.values()) {
+            reactedByMe.put(emojiType, false);
+        }
+        return reactedByMe;
+    }
 }

src/main/java/com/semosan/api/domain/semofeed/entity/SemoFeedEmoji.java

@@ -0,0 +1,56 @@
+package com.semosan.api.domain.semofeed.entity;
+
+import com.semosan.api.common.base.BaseEntity;
+import com.semosan.api.domain.semofeed.enums.SemoFeedEmojiType;
+import com.semosan.api.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Table(
+        name = "semo_feed_emojis",
+        uniqueConstraints = {
+                @UniqueConstraint(
+                        name = "uk_semo_feed_emoji_feed_user_type",
+                        columnNames = {"semo_feed_id", "user_id", "emoji_type"}
+                )
+        },
+        indexes = {
+                @Index(name = "idx_semo_feed_emojis_feed", columnList = "semo_feed_id"),
+                @Index(name = "idx_semo_feed_emojis_user", columnList = "user_id")
+        }
+)
+@Getter
+@Entity
+@Builder(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class SemoFeedEmoji extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "semo_feed_id", nullable = false)
+    private SemoFeed semoFeed;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    private User user;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "emoji_type", nullable = false, length = 20)
+    private SemoFeedEmojiType emojiType;
+
+    public static SemoFeedEmoji create(SemoFeed semoFeed, User user, SemoFeedEmojiType emojiType) {
+        return SemoFeedEmoji.builder()
+                .semoFeed(semoFeed)
+                .user(user)
+                .emojiType(emojiType)
+                .build();
+    }
+}

src/main/java/com/semosan/api/domain/semofeed/enums/SemoFeedEmojiType.java

@@ -0,0 +1,8 @@
+package com.semosan.api.domain.semofeed.enums;
+
+public enum SemoFeedEmojiType {
+    FIRE,
+    HEART,
+    CONGRATS,
+    LAUGH
+}

src/main/java/com/semosan/api/domain/semofeed/repository/SemoFeedEmojiRepository.java

@@ -0,0 +1,42 @@
+package com.semosan.api.domain.semofeed.repository;
+
+import com.semosan.api.domain.semofeed.entity.SemoFeed;
+import com.semosan.api.domain.semofeed.entity.SemoFeedEmoji;
+import com.semosan.api.domain.semofeed.enums.SemoFeedEmojiType;
+import com.semosan.api.domain.user.entity.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface SemoFeedEmojiRepository extends JpaRepository<SemoFeedEmoji, Long> {
+
+    Optional<SemoFeedEmoji> findBySemoFeedAndUserAndEmojiType(
+            SemoFeed semoFeed,
+            User user,
+            SemoFeedEmojiType emojiType
+    );
+
+    long countBySemoFeedAndEmojiType(SemoFeed semoFeed, SemoFeedEmojiType emojiType);
+
+    @Query("""
+            SELECT e.semoFeed.id, e.emojiType, COUNT(e)
+            FROM SemoFeedEmoji e
+            WHERE e.semoFeed.id IN :semoFeedIds
+            GROUP BY e.semoFeed.id, e.emojiType
+            """)
+    List<Object[]> countBySemoFeedIdsGrouped(@Param("semoFeedIds") List<Long> semoFeedIds);
+
+    @Query("""
+            SELECT e.semoFeed.id, e.emojiType
+            FROM SemoFeedEmoji e
+            WHERE e.semoFeed.id IN :semoFeedIds
+              AND e.user.id = :userId
+            """)
+    List<Object[]> findReactedTypesBySemoFeedIdsAndUserId(
+            @Param("semoFeedIds") List<Long> semoFeedIds,
+            @Param("userId") Long userId
+    );
+}

src/main/java/com/semosan/api/domain/semofeed/repository/SemoFeedRepository.java

@@ -10,9 +10,12 @@
 
 public interface SemoFeedRepository extends JpaRepository<SemoFeed, Long> {
 
-    @Query("SELECT s FROM SemoFeed s WHERE s.isPublic = true ORDER BY s.createdAt DESC")
+    @Query(
+            value = "SELECT s FROM SemoFeed s JOIN FETCH s.user WHERE s.isPublic = true ORDER BY s.createdAt DESC",
+            countQuery = "SELECT COUNT(s) FROM SemoFeed s WHERE s.isPublic = true"
+    )
     Page<SemoFeed> findPublic(Pageable pageable);
 
-    @Query("SELECT s FROM SemoFeed s WHERE s.user.id = :userId ORDER BY s.createdAt DESC")
+    @Query("SELECT s FROM SemoFeed s JOIN FETCH s.user WHERE s.user.id = :userId ORDER BY s.createdAt DESC")
     List<SemoFeed> findByUserId(Long userId);
 }