[feat] 커뮤니티 태그/좋아요/인기글 기능 및 API 응답 개선, JWT sub 표준화

src/main/java/com/arom/with_travel/domain/community/Community.java

@@ -1,5 +1,6 @@
 package com.arom.with_travel.domain.community;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import com.arom.with_travel.domain.community_reply.CommunityReply;
 import com.arom.with_travel.domain.image.Image;
 import com.arom.with_travel.domain.member.Member;
@@ -14,16 +15,22 @@
 import java.util.List;
 
 @Getter
+@Setter
 @Entity
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Builder
 @AllArgsConstructor
-@SQLDelete(sql = "UPDATE community SET is_deleted = true, deleted_at = now() where id = ?")
-@SQLRestriction("is_deleted is FALSE")
+@SQLDelete(sql = "UPDATE community SET is_deleted = true, deleted_at = now() WHERE id = ?")
+@SQLRestriction("is_deleted = FALSE")
+@Table(indexes = {
+        @Index(name = "idx_community_tag", columnList = "tag"),
+        @Index(name = "idx_community_created_at", columnList = "created_at"),
+        @Index(name = "idx_community_like_count", columnList = "like_count"),
+        @Index(name = "idx_community_view_count", columnList = "view_count")
+})
 public class Community extends BaseEntity {
 
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
     @NotNull @Column(length = 120)
@@ -32,6 +39,10 @@ public class Community extends BaseEntity {
     @NotNull @Lob
     private String content;
 
+    @Enumerated(EnumType.STRING)
+    @Column(length = 20, nullable = false)
+    private CommunityTag tag;
+
     @NotNull private String continent;
     @NotNull private String country;
     @NotNull private String city;
@@ -43,18 +54,27 @@ public class Community extends BaseEntity {
     @OneToMany(mappedBy = "community", orphanRemoval = true)
     private List<CommunityReply> communityReplies = new ArrayList<>();
 
-    @OneToMany(mappedBy = "community")
+    @OneToMany(mappedBy = "community", cascade = CascadeType.ALL, orphanRemoval = true)
+    @Builder.Default
     private List<Image> images = new ArrayList<>();
 
-    @Column(nullable = false)
+    @Column(name = "view_count", nullable = false)
     private long viewCount = 0L;
 
+    @Column(name = "like_count", nullable = false)
+    private long likeCount = 0L;
+
+    @Column(name = "reply_count", nullable = false)
+    private long replyCount = 0L;
+
     public static Community create(Member writer, String title, String content,
+                                   CommunityTag tag,
                                    String continent, String country, String city) {
         Community c = Community.builder()
                 .member(writer)
                 .title(title)
                 .content(content)
+                .tag(tag)
                 .continent(continent)
                 .country(country)
                 .city(city)
@@ -80,9 +100,16 @@ public void addReply(CommunityReply reply) {
         }
     }
 
-    public void update(String title, String content, String continent, String country, String city) {
+    public void addImage(Image image) {
+        images.add(image);
+        image.attachToCommunity(this);
+    }
+
+    public void update(String title, String content, CommunityTag tag,
+                       String continent, String country, String city) {
         this.title = title;
         this.content = content;
+        this.tag = tag;
         this.continent = continent;
         this.country = country;
         this.city = city;

src/main/java/com/arom/with_travel/domain/community/CommunitySpecs.java

@@ -1,11 +1,16 @@
 package com.arom.with_travel.domain.community;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.util.StringUtils;
 
 public class CommunitySpecs {
     private CommunitySpecs() {}
 
+    public static Specification<Community> tagEq(CommunityTag tag) {
+        return (root, q, cb) -> (tag != null) ? cb.equal(root.get("tag"), tag) : null;
+    }
+
     public static Specification<Community> continentEq(String continent) {
         return (root, q, cb) -> StringUtils.hasText(continent) ? cb.equal(root.get("continent"), continent) : null;
     }

src/main/java/com/arom/with_travel/domain/community/controller/CommunityController.java

@@ -4,18 +4,24 @@
 import com.arom.with_travel.domain.community.dto.CommunityDetailResponse;
 import com.arom.with_travel.domain.community.dto.CommunityListItemResponse;
 import com.arom.with_travel.domain.community.dto.CommunityUpdateRequest;
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import com.arom.with_travel.domain.community.service.CommunityService;
 import com.arom.with_travel.global.security.domain.PrincipalDetails;
-import com.arom.with_travel.global.utils.SecurityUtils;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
+import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+import java.util.Map;
+
+@Slf4j
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/v1/communities")
@@ -24,8 +30,10 @@ public class CommunityController {
     private final CommunityService communityService;
 
     @PostMapping
-    public Long create(@AuthenticationPrincipal PrincipalDetails principal,
-                       @RequestBody @Valid CommunityCreateRequest req) {
+    public Long create(
+            @AuthenticationPrincipal PrincipalDetails principal,
+            @RequestBody @Valid CommunityCreateRequest req
+    ) {
         String me = principal.getAuthenticatedMember().getEmail();
         return communityService.create(me, req);
     }
@@ -41,22 +49,63 @@ public Page<CommunityListItemResponse> list(
             @RequestParam(required = false) String country,
             @RequestParam(required = false) String city,
             @RequestParam(required = false, name = "q") String keyword,
+            @RequestParam(required = false, name = "tag") CommunityTag tag,
             @RequestParam(defaultValue = "0") int page,
             @RequestParam(defaultValue = "20") int size) {
 
         Pageable pageable = PageRequest.of(page, size, Sort.by(Sort.Direction.DESC, "createdAt"));
-        return communityService.search(continent, country, city, keyword, pageable);
+        return communityService.search(continent, country, city, keyword, tag, pageable);
+    }
+
+    @GetMapping("/top-liked")
+    public List<CommunityListItemResponse> topLiked() {
+        return communityService.topLiked();
+    }
+
+    @PostMapping("/{id}/like")
+    public Map<String, Object> toggleLike(
+            @PathVariable Long id,
+            @AuthenticationPrincipal PrincipalDetails principal
+    ) {
+        Long me = principal.getAuthenticatedMember().getMemberId();
+        boolean liked = communityService.toggleLike(id, me);
+        return Map.of("liked", liked);
     }
 
     @PatchMapping("/{id}")
-    public void update(@PathVariable Long id, @RequestBody @Valid CommunityUpdateRequest req) {
-        Long me = SecurityUtils.currentMemberIdOrThrow();
-        communityService.update(me, id, req);
+    public CommunityDetailResponse update(
+            @PathVariable Long id,
+            @RequestBody @Valid CommunityUpdateRequest req,
+            @AuthenticationPrincipal PrincipalDetails principal
+    ) {
+        Long me = principal.getAuthenticatedMember().getMemberId();
+        return communityService.update(me, id, req);
     }
 
     @DeleteMapping("/{id}")
-    public void delete(@PathVariable Long id) {
-        Long me = SecurityUtils.currentMemberIdOrThrow();
+    public ResponseEntity<Void> delete(
+            @PathVariable Long id,
+            @AuthenticationPrincipal PrincipalDetails principal
+    ) {
+        Long me = principal.getAuthenticatedMember().getMemberId();
         communityService.delete(me, id);
+        return ResponseEntity.noContent().build();
     }
+
+    @GetMapping("/tags/{tag}")
+    public Page<CommunityListItemResponse> listByTag(
+            @PathVariable CommunityTag tag,
+            @RequestParam(defaultValue = "0") int page,
+            @RequestParam(defaultValue = "20") int size
+    ) {
+        int limitedSize = Math.min(Math.max(size, 1), 50);
+
+        Pageable pageable = PageRequest.of(
+                page,
+                limitedSize,
+                Sort.by(Sort.Direction.DESC, "createdAt")
+        );
+        return communityService.listByTag(tag, pageable);
+    }
+
 }

src/main/java/com/arom/with_travel/domain/community/dto/CommunityCreateRequest.java

@@ -1,5 +1,6 @@
 package com.arom.with_travel.domain.community.dto;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.Size;
 import lombok.AllArgsConstructor;
@@ -17,6 +18,7 @@ public class CommunityCreateRequest {
     @NotEmpty String continent;
     @NotEmpty String country;
     @NotEmpty String city;
+    private CommunityTag tag;
     private List<ImageCreate> images;
 
     @Getter

src/main/java/com/arom/with_travel/domain/community/dto/CommunityDetailResponse.java

@@ -1,5 +1,6 @@
 package com.arom.with_travel.domain.community.dto;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -13,12 +14,15 @@ public class CommunityDetailResponse {
     Long id;
     String title;
     String content;
+    private CommunityTag tag;
     String continent;
     String country;
     String city;
     Long writerId;
     String writerNickname;
     long viewCount;
+    long likeCount;
+    long replyCount;
     List<String> imageUrls;
     String createdAt;
     String updatedAt;

src/main/java/com/arom/with_travel/domain/community/dto/CommunityDetailResponseMapper.java

@@ -0,0 +1,27 @@
+package com.arom.with_travel.domain.community.dto;
+
+import com.arom.with_travel.domain.community.Community;
+import com.arom.with_travel.domain.image.Image;
+
+public class CommunityDetailResponseMapper {
+
+    public static CommunityDetailResponse from(Community c) {
+        return new CommunityDetailResponse(
+                c.getId(),
+                c.getTitle(),
+                c.getContent(),
+                c.getTag(),
+                c.getContinent(),
+                c.getCountry(),
+                c.getCity(),
+                c.getMember().getId(),
+                c.getMember().getNickname(),
+                c.getViewCount(),
+                c.getLikeCount(),
+                c.getReplyCount(),
+                c.getImages().stream().map(Image::getImageUrl).toList(),
+                c.getCreatedAt().toString(),
+                c.getUpdatedAt().toString()
+        );
+    }
+}

src/main/java/com/arom/with_travel/domain/community/dto/CommunityListItemResponse.java

@@ -1,5 +1,6 @@
 package com.arom.with_travel.domain.community.dto;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,11 +12,14 @@ public class CommunityListItemResponse {
     Long id;
     String title;
     String snippet;
+    CommunityTag tag;
     String continent;
     String country;
     String city;
     Long writerId;
     String writerNickname;
     long viewCount;
+    long likeCount;
+    long replyCount;
     String createdAt;
 }

src/main/java/com/arom/with_travel/domain/community/dto/CommunityUpdateRequest.java

@@ -1,5 +1,6 @@
 package com.arom.with_travel.domain.community.dto;
 
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -15,6 +16,7 @@ public class CommunityUpdateRequest {
     private String continent;
     private String country;
     private String city;
+    private CommunityTag tag;
     private List<ImageUpdate> images;
 
     @Getter

src/main/java/com/arom/with_travel/domain/community/enums/CommunityTag.java

@@ -0,0 +1,40 @@
+package com.arom.with_travel.domain.community.enums;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+import java.util.Arrays;
+
+public enum CommunityTag {
+    RESTAURANT("맛집추천"),
+    CAFE("카페탐방"),
+    INFO("정보공유"),
+    TIPS("꿀팁");
+
+    private final String labelKo;
+
+    CommunityTag(String labelKo) {
+        this.labelKo = labelKo;
+    }
+
+    public String getLabelKo() {
+        return labelKo;
+    }
+
+    @JsonCreator
+    public static CommunityTag from(String v) {
+        if (v == null) return null;
+        String key = v.trim();
+        String upper = key.toUpperCase();
+
+        return Arrays.stream(values())
+                .filter(e -> e.name().equalsIgnoreCase(upper) || e.labelKo.equalsIgnoreCase(key))
+                .findFirst()
+                .orElseThrow(() -> new IllegalArgumentException("Unknown tag: " + v));
+    }
+
+    @JsonValue
+    public String toValue() {
+        return this.name();
+    }
+}

src/main/java/com/arom/with_travel/domain/community/repository/CommunityRepository.java

@@ -1,11 +1,14 @@
 package com.arom.with_travel.domain.community.repository;
 
 import com.arom.with_travel.domain.community.Community;
+import com.arom.with_travel.domain.community.enums.CommunityTag;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.data.jpa.repository.*;
 
+import java.util.List;
+
 public interface CommunityRepository extends JpaRepository<Community, Long>,
         JpaSpecificationExecutor<Community> {
 
@@ -17,7 +20,15 @@ public interface CommunityRepository extends JpaRepository<Community, Long>,
     @Query("update Community c set c.viewCount = c.viewCount + 1 where c.id = :id")
     int increaseViewCount(Long id);
 
+    @Modifying(clearAutomatically = true, flushAutomatically = true)
+    @Query("update Community c set c.likeCount = c.likeCount + :delta where c.id = :id")
+    int addLikeCount(Long id, long delta);
+
+    Page<Community> findByTagOrderByCreatedAtDesc(CommunityTag tag, Pageable pageable);
+
+    List<Community> findTop2ByOrderByLikeCountDescIdDesc();
+
     default Page<Community> search(Specification<Community> spec, Pageable pageable) {
         return this.findAll(spec, pageable);
     }
-}
+}