[refactor] 전체 도메인 구조 변경

src/main/java/konkuk/thip/book/application/service/BookMostSearchService.java

@@ -6,6 +6,7 @@
 import konkuk.thip.user.application.port.out.UserCommandPort;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDate;
 import java.util.List;
@@ -18,6 +19,7 @@ public class BookMostSearchService implements BookMostSearchUseCase {
     private final UserCommandPort userCommandPort;
 
     @Override
+    @Transactional(readOnly = true)
     public BookMostSearchResult getMostSearchedBooks(Long userId) {
 
         userCommandPort.findById(userId);

src/main/java/konkuk/thip/book/application/service/BookSearchService.java

@@ -1,6 +1,5 @@
 package konkuk.thip.book.application.service;
 
-import jakarta.transaction.Transactional;
 import konkuk.thip.book.adapter.out.api.dto.NaverBookParseResult;
 import konkuk.thip.book.adapter.out.api.dto.NaverDetailBookParseResult;
 import konkuk.thip.book.application.port.in.BookSearchUseCase;
@@ -21,6 +20,7 @@
 import konkuk.thip.user.domain.User;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDate;
 import java.util.HashSet;
@@ -44,9 +44,8 @@ public class BookSearchService implements BookSearchUseCase {
     private final UserCommandPort userCommandPort;
     private final BookRedisCommandPort bookRedisCommandPort;
 
-
     @Override
-    @Transactional
+    @Transactional(readOnly = true)
     public NaverBookParseResult searchBooks(String keyword, int page, Long userId) {
 
         if (keyword == null || keyword.isBlank()) {
@@ -79,6 +78,7 @@ public NaverBookParseResult searchBooks(String keyword, int page, Long userId) {
     }
 
     @Override
+    @Transactional(readOnly = true)
     public BookDetailSearchResult searchDetailBooks(String isbn,Long userId) {
 
         //유저정보찾기

src/main/java/konkuk/thip/common/exception/code/ErrorCode.java

@@ -30,6 +30,7 @@ public enum ErrorCode implements ResponseCode {
      * 60000 : alias error
      */
     ALIAS_NOT_FOUND(HttpStatus.NOT_FOUND, 60001, "존재하지 않는 ALIAS 입니다."),
+    ALIAS_NAME_NOT_MATCH(HttpStatus.BAD_REQUEST, 60002, "일치하는 칭호 이름이 없습니다."),
 
 
     /**
@@ -102,7 +103,13 @@ public enum ErrorCode implements ResponseCode {
      * 150000 : Category error
      */
     CATEGORY_NOT_FOUND(HttpStatus.NOT_FOUND, 150000, "존재하지 않는 CATEGORY 입니다."),
-    CATEGORY_NOT_MATCH(HttpStatus.BAD_REQUEST, 150001, "일치하는 카테고리 이름이 없습니다.")
+    CATEGORY_NOT_MATCH(HttpStatus.BAD_REQUEST, 150001, "일치하는 카테고리 이름이 없습니다."),
+
+    /**
+     * 160000 : Feed error
+     */
+    FEED_NOT_FOUND(HttpStatus.NOT_FOUND, 160000, "존재하지 않는 FEED 입니다."),
+    TAG_NAME_NOT_MATCH(HttpStatus.BAD_REQUEST, 160001, "일치하는 태그 이름이 없습니다.")
 
     ;
 

src/main/java/konkuk/thip/feed/adapter/out/jpa/FeedTagJpaEntity.java

@@ -0,0 +1,26 @@
+package konkuk.thip.feed.adapter.out.jpa;
+
+import jakarta.persistence.*;
+import konkuk.thip.common.entity.BaseJpaEntity;
+import lombok.*;
+
+@Entity
+@Table(name = "feed_tags")
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class FeedTagJpaEntity extends BaseJpaEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long feedTagId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "post_id", nullable = false)
+    private FeedJpaEntity feedJpaEntity;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "tag_id", nullable = false)
+    private TagJpaEntity tagJpaEntity;
+}

src/main/java/konkuk/thip/feed/adapter/out/mapper/FeedMapper.java

@@ -2,10 +2,14 @@
 
 import konkuk.thip.book.adapter.out.jpa.BookJpaEntity;
 import konkuk.thip.feed.adapter.out.jpa.FeedJpaEntity;
+import konkuk.thip.feed.adapter.out.jpa.TagJpaEntity;
 import konkuk.thip.feed.domain.Feed;
+import konkuk.thip.feed.domain.Tag;
 import konkuk.thip.user.adapter.out.jpa.UserJpaEntity;
 import org.springframework.stereotype.Component;
 
+import java.util.List;
+
 @Component
 public class FeedMapper {
 
@@ -19,14 +23,18 @@ public FeedJpaEntity toJpaEntity(Feed feed, UserJpaEntity userJpaEntity, BookJpa
                 .build();
     }
 
-    public Feed toDomainEntity(FeedJpaEntity feedJpaEntity) {
+    public Feed toDomainEntity(FeedJpaEntity feedJpaEntity, List<TagJpaEntity> tagJpaEntityList) {
         return Feed.builder()
                 .id(feedJpaEntity.getPostId())
                 .content(feedJpaEntity.getContent())
                 .creatorId(feedJpaEntity.getUserJpaEntity().getUserId())
                 .isPublic(feedJpaEntity.getIsPublic())
                 .reportCount(feedJpaEntity.getReportCount())
                 .targetBookId(feedJpaEntity.getBookJpaEntity().getBookId())
+                .tagList(tagJpaEntityList.stream()
+                        .map(TagJpaEntity::getValue)
+                        .map(Tag::from)
+                        .toList())
                 .createdAt(feedJpaEntity.getCreatedAt())
                 .modifiedAt(feedJpaEntity.getModifiedAt())
                 .status(feedJpaEntity.getStatus())

src/main/java/konkuk/thip/feed/domain/Feed.java

@@ -4,6 +4,8 @@
 import lombok.Getter;
 import lombok.experimental.SuperBuilder;
 
+import java.util.List;
+
 @Getter
 @SuperBuilder
 public class Feed extends BaseDomainEntity {
@@ -20,4 +22,18 @@ public class Feed extends BaseDomainEntity {
 
     private Long targetBookId;
 
+    private List<Tag> tagList;
+
+    public static Feed withoutId(String content, Long creatorId, Boolean isPublic, int reportCount, Long targetBookId, List<Tag> tagList) {
+        return Feed.builder()
+                .id(null)
+                .content(content)
+                .creatorId(creatorId)
+                .isPublic(isPublic)
+                .reportCount(reportCount)
+                .targetBookId(targetBookId)
+                .tagList(tagList)
+                .build();
+    }
+
 }

src/main/java/konkuk/thip/feed/domain/Tag.java

@@ -1,18 +1,39 @@
 package konkuk.thip.feed.domain;
 
-import konkuk.thip.common.entity.BaseDomainEntity;
+import konkuk.thip.common.exception.InvalidStateException;
+import konkuk.thip.room.domain.Category;
 import lombok.Getter;
-import lombok.experimental.SuperBuilder;
+import lombok.RequiredArgsConstructor;
 
-@Getter
-@SuperBuilder
-public class Tag extends BaseDomainEntity {
-
-    private Long id;
+import static konkuk.thip.common.exception.code.ErrorCode.TAG_NAME_NOT_MATCH;
 
-    private String value;
+@Getter
+@RequiredArgsConstructor
+public enum Tag {
+    BOOK_RECOMMEND("책추천"),
+    TODAYS_BOOK("오늘의책"),
+    READING_LOG("독서기록"),
+    BOOK_REVIEW("책리뷰"),
+    QUOTE("책속한줄"),
+    BOOK_REPORT("독후감"),
+    LIFE_BOOK("내인생책"),
+    RE_READ("다시읽고싶은책"),
+    BOOK_TALK("북토크"),
+    BOOKSTAGRAM("책스타그램"),
+    NOVEL("소설추천"),
+    SELF_IMPROVEMENT("자기계발서"),
+    PHILOSOPHY("인문학책"),
+    SCIENCE("과학책"),
+    ECONOMY("경제책");
 
-    private Long targetPostId;
+    private final String value;
 
-    private Long categoryId;
+    public static Tag from(String value) {
+        for (Tag tagName : Tag.values()) {
+            if (tagName.value.equalsIgnoreCase(value)) {
+                return tagName;
+            }
+        }
+        throw new InvalidStateException(TAG_NAME_NOT_MATCH);
+    }
 }

src/main/java/konkuk/thip/record/adapter/in/web/response/RecordDto.java

@@ -29,7 +29,7 @@ public static RecordDto of(Record record, String postDate, User user, int likeCo
                 .page(record.getPage())
                 .userId(record.getCreatorId())
                 .nickName(user.getNickname())
-                .profileImageUrl(user.getImageUrl())
+                .profileImageUrl(user.getAlias().getImageUrl())
                 .content(record.getContent())
                 .likeCount(likeCount)
                 .commentCount(commentCount)

src/main/java/konkuk/thip/record/adapter/in/web/response/VoteDto.java

@@ -36,7 +36,7 @@ public static VoteDto of(
                 .page(vote.getPage())
                 .userId(vote.getCreatorId())
                 .nickName(user.getNickname())
-                .profileImageUrl(user.getImageUrl())
+                .profileImageUrl(user.getAlias().getImageUrl())
                 .content(vote.getContent())
                 .likeCount(likeCount)
                 .commentCount(commentCount)

src/main/java/konkuk/thip/record/application/service/RecordSearchService.java

@@ -23,6 +23,7 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -46,6 +47,7 @@ public class RecordSearchService implements RecordSearchUseCase {
     private static final int PAGE_SIZE = 10;
 
     @Override
+    @Transactional(readOnly = true)
     public RecordSearchResponse search(RecordSearchQuery query) {
         validateQueryParams(query);
 

src/main/java/konkuk/thip/room/application/service/RoomSearchService.java

@@ -12,6 +12,7 @@
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import static konkuk.thip.common.exception.code.ErrorCode.CATEGORY_NOT_FOUND;
 import static konkuk.thip.common.exception.code.ErrorCode.INVALID_ROOM_SEARCH_SORT;
@@ -25,6 +26,7 @@ public class RoomSearchService implements RoomSearchUseCase {
     private final RoomQueryPort roomQueryPort;
 
     @Override
+    @Transactional(readOnly = true)
     public RoomSearchResponse searchRoom(String keyword, String category, String sort, int page) {
         // 1. validation
         String sortVal = validateSort(sort);
@@ -58,12 +60,8 @@ private String validateCategory(String category) {
         if (category == null || category.isEmpty()) {
             return "";
         }
-        try {
-            Category cat = Category.from(category);
-            return cat.getValue();
-        } catch (IllegalArgumentException ex) {
-            throw new BusinessException(CATEGORY_NOT_FOUND, ex);
-        }
+
+        return Category.from(category).getValue();
     }
 
     /**

src/main/java/konkuk/thip/room/application/service/RoomVerifyPasswordService.java

@@ -16,6 +16,7 @@ public class RoomVerifyPasswordService implements RoomVerifyPasswordUseCase {
     private final RoomCommandPort roomCommandPort;
 
     @Override
+    @Transactional(readOnly = true)
     public Void verifyRoomPassword(RoomVerifyPasswordQuery query) {
 
         //방 검증

src/main/java/konkuk/thip/room/domain/Category.java

@@ -17,7 +17,7 @@ public enum Category {
      * TODO : DB에서 value를 통해 카테고리를 조회하는것보다 id로 조회하는게 성능상 좋으니, id 값도 같이 보관 ??
      */
     SCIENCE_IT("과학/IT"),
-    Literature("문학"),
+    LITERATURE("문학"),
     ART("예술"),
     SOCIAL_SCIENCE("사회과학"),
     HUMANITY("인문학");

src/main/java/konkuk/thip/user/adapter/in/web/request/UserSignupRequest.java

@@ -1,20 +1,21 @@
 package konkuk.thip.user.adapter.in.web.request;
 
-import jakarta.validation.constraints.*;
-import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
 import konkuk.thip.user.application.port.in.dto.UserSignupCommand;
 
 public record UserSignupRequest(
-        @NotNull(message = "aliasId는 필수입니다.")
-        Long aliasId,
+        @NotBlank(message = "aliasName은 필수입니다.")
+        String aliasName,
 
         @Pattern(regexp = "[가-힣a-zA-Z0-9]+", message = "닉네임은 한글, 영어, 숫자로만 구성되어야 합니다.(공백불가)")
         @Size(max = 10, message = "닉네임은 최대 10자 입니다.")
         String nickname
 ) {
     public UserSignupCommand toCommand(String oAuth2Id) {
         return UserSignupCommand.builder()
-                .aliasId(aliasId)
+                .aliasName(aliasName)
                 .nickname(nickname)
                 .oauth2Id(oAuth2Id)
                 .build();

src/main/java/konkuk/thip/user/adapter/in/web/response/UserViewAliasChoiceResponse.java

@@ -9,7 +9,6 @@ public record UserViewAliasChoiceResponse(List<AliasChoice> aliasChoices) {
     public static UserViewAliasChoiceResponse of(UserViewAliasChoiceResult result) {
         List<AliasChoice> choices = result.aliasChoices().stream()
                 .map(ac -> new AliasChoice(
-                        ac.aliasId(),
                         ac.aliasName(),
                         ac.categoryName(),
                         ac.imageUrl(),
@@ -20,7 +19,6 @@ public static UserViewAliasChoiceResponse of(UserViewAliasChoiceResult result) {
     }
 
     public record AliasChoice(
-            Long aliasId,
             String aliasName,
             String categoryName,
             String imageUrl,