[Refactor] 토크룸 목록 조회 API Slice로 리턴하도록 수정

src/main/java/com/jisungin/api/talkroom/TalkRoomController.java

@@ -6,7 +6,10 @@
 import com.jisungin.api.talkroom.request.TalkRoomEditRequest;
 import com.jisungin.application.OffsetLimit;
 import com.jisungin.application.PageResponse;
+import com.jisungin.application.SliceResponse;
 import com.jisungin.application.talkroom.TalkRoomService;
+import com.jisungin.application.talkroom.request.TalkRoomSearchCondition;
+import com.jisungin.application.talkroom.request.UserTalkRoomSearchCondition;
 import com.jisungin.application.talkroom.response.TalkRoomFindAllResponse;
 import com.jisungin.application.talkroom.response.TalkRoomFindOneResponse;
 import com.jisungin.application.talkroom.response.TalkRoomRelatedBookResponse;
@@ -49,7 +52,7 @@ public ApiResponse<TalkRoomFindOneResponse> createTalkRoom(@Valid @RequestBody T
     }
 
     @GetMapping("/talk-rooms")
-    public ApiResponse<PageResponse<TalkRoomFindAllResponse>> findAllTalkRoom(
+    public ApiResponse<SliceResponse<TalkRoomFindAllResponse>> findAllTalkRoom(
             @RequestParam(value = "page", required = false, defaultValue = "1") Integer page,
             @RequestParam(value = "size", required = false, defaultValue = "10") Integer size,
             @RequestParam(value = "order", required = false, defaultValue = "recent") String order,
@@ -58,9 +61,8 @@ public ApiResponse<PageResponse<TalkRoomFindAllResponse>> findAllTalkRoom(
     ) {
         LocalDateTime now = LocalDateTime.now();
 
-        return ApiResponse.ok(
-                talkRoomService.findAllTalkRoom(OffsetLimit.of(page, size, order), search, day,
-                        now));
+        return ApiResponse.ok(talkRoomService.findAllTalkRoom(OffsetLimit.of(page, size, order),
+                TalkRoomSearchCondition.of(search, day), now));
     }
 
     @GetMapping("/talk-rooms/{talkRoomId}")
@@ -98,9 +100,8 @@ public ApiResponse<PageResponse<TalkRoomFindAllResponse>> findUserTalkRoom(
             @RequestParam(value = "likedFilter", required = false) boolean likedFilter,
             @Auth Long userId
     ) {
-        return ApiResponse.ok(
-                talkRoomService.findUserTalkRoom(OffsetLimit.of(page, size), userTalkRoomsFilter, commentedFilter,
-                        likedFilter, userId));
+        return ApiResponse.ok(talkRoomService.findUserTalkRoom(OffsetLimit.of(page, size),
+                UserTalkRoomSearchCondition.of(userTalkRoomsFilter, commentedFilter, likedFilter), userId));
     }
 
 }

src/main/java/com/jisungin/application/SliceResponse.java

@@ -1,6 +1,7 @@
 package com.jisungin.application;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import java.util.ArrayList;
 import java.util.List;
 import lombok.Builder;
 import lombok.Getter;
@@ -33,6 +34,27 @@ private SliceResponse(List<T> content, boolean hasContent, boolean first, boolea
         this.size = size;
     }
 
+    public static <T> SliceResponse<T> of(List<T> content, Integer offset, Integer limit) {
+        List<T> response = validateContent(content, limit);
+
+        boolean hasContent = !response.isEmpty();
+        boolean first = (offset == 0);
+        boolean last = isLast(content, limit);
+
+        Integer number = (offset / limit) + 1;
+        Integer size = response.size();
+
+        return SliceResponse.<T>builder()
+                .content(response)
+                .hasContent(hasContent)
+                .first(first)
+                .last(last)
+                .number(number)
+                .size(size)
+                .build();
+    }
+
+
     public static <T> SliceResponse<T> of(List<T> content, Integer offset, Integer limit, boolean hasNext) {
         boolean hasContent = !content.isEmpty();
         boolean first = (offset == 0);
@@ -51,4 +73,12 @@ public static <T> SliceResponse<T> of(List<T> content, Integer offset, Integer l
                 .build();
     }
 
+    private static <T> List<T> validateContent(List<T> content, Integer limit) {
+        return content.size() > limit ? content.subList(0, limit) : content;
+    }
+
+    private static <T> boolean isLast(List<T> content, Integer limit) {
+        return content.size() <= limit;
+    }
+
 }

src/main/java/com/jisungin/application/book/response/BookRelatedTalkRoomResponse.java

@@ -1,6 +1,6 @@
 package com.jisungin.application.book.response;
 
-import com.jisungin.application.talkroom.response.TalkRoomQueryResponse;
+import com.jisungin.application.talkroom.response.TalkRoomQueryEntity;
 import com.jisungin.domain.ReadingStatus;
 import java.util.ArrayList;
 import java.util.List;
@@ -33,7 +33,7 @@ public BookRelatedTalkRoomResponse(Long id, String profileImage, String username
         this.readingStatuses = readingStatuses;
     }
 
-    public static List<BookRelatedTalkRoomResponse> create(List<TalkRoomQueryResponse> talkRooms,
+    public static List<BookRelatedTalkRoomResponse> create(List<TalkRoomQueryEntity> talkRooms,
                                                            Map<Long, List<ReadingStatus>> readingStatuses) {
         return talkRooms.stream()
                 .map(talkRoom -> {
@@ -54,7 +54,7 @@ public static List<BookRelatedTalkRoomResponse> create(List<TalkRoomQueryRespons
     }
 
     private static List<String> extractReadingStatuses(Map<Long, List<ReadingStatus>> readingStatuses,
-                                                       TalkRoomQueryResponse talkRoom) {
+                                                       TalkRoomQueryEntity talkRoom) {
         return readingStatuses.get(talkRoom.getId()).stream()
                 .map(ReadingStatus::getText)
                 .toList();

src/main/java/com/jisungin/application/talkroom/TalkRoomService.java

@@ -2,11 +2,14 @@
 
 import com.jisungin.application.OffsetLimit;
 import com.jisungin.application.PageResponse;
+import com.jisungin.application.SliceResponse;
 import com.jisungin.application.talkroom.request.TalkRoomCreateServiceRequest;
 import com.jisungin.application.talkroom.request.TalkRoomEditServiceRequest;
+import com.jisungin.application.talkroom.request.TalkRoomSearchCondition;
+import com.jisungin.application.talkroom.request.UserTalkRoomSearchCondition;
 import com.jisungin.application.talkroom.response.TalkRoomFindAllResponse;
 import com.jisungin.application.talkroom.response.TalkRoomFindOneResponse;
-import com.jisungin.application.talkroom.response.TalkRoomQueryResponse;
+import com.jisungin.application.talkroom.response.TalkRoomQueryEntity;
 import com.jisungin.application.talkroom.response.TalkRoomRelatedBookResponse;
 import com.jisungin.domain.ReadingStatus;
 import com.jisungin.domain.book.Book;
@@ -45,10 +48,10 @@ public PageResponse<TalkRoomRelatedBookResponse> findBookTalkRooms(String isbn,
         Book book = bookRepository.findById(isbn)
                 .orElseThrow(() -> new BusinessException(ErrorCode.BOOK_NOT_FOUND));
 
-        List<TalkRoomQueryResponse> talkRooms = talkRoomRepository.findTalkRoomsRelatedBook(book.getIsbn(),
+        List<TalkRoomQueryEntity> talkRooms = talkRoomRepository.findTalkRoomsRelatedBook(book.getIsbn(),
                 offsetLimit.getOffset(), offsetLimit.getLimit());
 
-        List<Long> talkRoomIds = talkRooms.stream().map(TalkRoomQueryResponse::getId).toList();
+        List<Long> talkRoomIds = talkRooms.stream().map(TalkRoomQueryEntity::getId).toList();
         Map<Long, List<ReadingStatus>> readingStatusesMap = talkRoomRoleRepository.findTalkRoomRoleByIds(talkRoomIds);
 
         Long totalCount = talkRoomRepository.countTalkRoomsRelatedBook(isbn);
@@ -86,27 +89,25 @@ public TalkRoomFindOneResponse createTalkRoom(TalkRoomCreateServiceRequest reque
         return TalkRoomFindOneResponse.of(talkRoom, book, user, imageUrls, readingStatus);
     }
 
-    public PageResponse<TalkRoomFindAllResponse> findAllTalkRoom(OffsetLimit offsetLimit, String search, String day,
-                                                                 LocalDateTime now
+    public SliceResponse<TalkRoomFindAllResponse> findAllTalkRoom(OffsetLimit offsetLimit,
+                                                                  TalkRoomSearchCondition condition,
+                                                                  LocalDateTime now
     ) {
-        List<TalkRoomQueryResponse> talkRooms = talkRoomRepository.findAllTalkRoom(offsetLimit.getOffset(),
-                offsetLimit.getLimit(), offsetLimit.getOrder(), search, day, now);
-
-        List<Long> talkRoomIds = talkRooms.stream().map(TalkRoomQueryResponse::getId).toList();
+        List<TalkRoomQueryEntity> talkRooms = talkRoomRepository.findAllTalkRoom(offsetLimit.getOffset(),
+                offsetLimit.getLimit(), offsetLimit.getOrder(), condition.getSearch(), condition.getDay(), now);
 
+        List<Long> talkRoomIds = talkRooms.stream().map(TalkRoomQueryEntity::getId).toList();
         Map<Long, List<ReadingStatus>> talkRoomRoleMap = talkRoomRoleRepository.findTalkRoomRoleByIds(talkRoomIds);
 
-        Long totalCount = talkRoomRepository.countTalkRooms(search, day, now);
-
-        return PageResponse.of(talkRooms.size(), totalCount,
-                TalkRoomFindAllResponse.toList(talkRooms, talkRoomRoleMap));
+        return SliceResponse.of(TalkRoomFindAllResponse.toList(talkRooms, talkRoomRoleMap), offsetLimit.getOffset(),
+                offsetLimit.getLimit());
     }
 
     public TalkRoomFindOneResponse findOneTalkRoom(Long talkRoomId) {
         TalkRoom talkRoom = talkRoomRepository.findById(talkRoomId)
                 .orElseThrow(() -> new BusinessException(ErrorCode.TALK_ROOM_NOT_FOUND));
 
-        TalkRoomQueryResponse queryTalkRoom = talkRoomRepository.findOneTalkRoom(talkRoom.getId());
+        TalkRoomQueryEntity queryTalkRoom = talkRoomRepository.findOneTalkRoom(talkRoom.getId());
 
         List<ReadingStatus> readingStatuses = talkRoomRoleRepository.findTalkRoomRoleByTalkRoomId(
                 queryTalkRoom.getId());
@@ -170,24 +171,21 @@ public void deleteTalkRoom(Long talkRoomId, Long userId) {
         talkRoomRepository.delete(talkRoom);
     }
 
-    public PageResponse<TalkRoomFindAllResponse> findUserTalkRoom(OffsetLimit offsetLimit, boolean userTalkRoomsFilter,
-                                                                  boolean commentedFilter, boolean likedFilter,
-                                                                  Long userId
+    public PageResponse<TalkRoomFindAllResponse> findUserTalkRoom(OffsetLimit offsetLimit,
+                                                                  UserTalkRoomSearchCondition condition, Long userId
     ) {
         User user = userRepository.findById(userId)
                 .orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
 
-        List<TalkRoomQueryResponse> findTalkRoom = talkRoomRepository.findByTalkRoomOwner(offsetLimit.getOffset(),
-                offsetLimit.getLimit(),
-                userTalkRoomsFilter, commentedFilter,
-                likedFilter,
-                user.getId());
+        List<TalkRoomQueryEntity> findTalkRoom = talkRoomRepository.findByTalkRoomOwner(offsetLimit.getOffset(),
+                offsetLimit.getLimit(), condition.isUserTalkRoomFilter(), condition.isCommentedFilter(),
+                condition.isLikedFilter(), user.getId());
 
         Map<Long, List<ReadingStatus>> talkRoomRoleMap = talkRoomRoleRepository.findTalkRoomRoleByIds(
-                findTalkRoom.stream().map(TalkRoomQueryResponse::getId).toList());
+                findTalkRoom.stream().map(TalkRoomQueryEntity::getId).toList());
 
-        Long totalCount = talkRoomRepository.countTalkRoomsByUserId(user.getId(), userTalkRoomsFilter, commentedFilter,
-                likedFilter);
+        Long totalCount = talkRoomRepository.countTalkRoomsByUserId(user.getId(), condition.isUserTalkRoomFilter(),
+                condition.isCommentedFilter(), condition.isLikedFilter());
 
         return PageResponse.of(findTalkRoom.size(), totalCount,
                 TalkRoomFindAllResponse.toList(findTalkRoom, talkRoomRoleMap));

src/main/java/com/jisungin/application/talkroom/request/TalkRoomSearchCondition.java

@@ -0,0 +1,28 @@
+package com.jisungin.application.talkroom.request;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class TalkRoomSearchCondition {
+
+    private String search;
+    private String day;
+
+    @Builder
+    private TalkRoomSearchCondition(String search, String day) {
+        this.search = search;
+        this.day = day;
+    }
+
+    public static TalkRoomSearchCondition of(String search, String day) {
+        return TalkRoomSearchCondition.builder()
+                .search(search)
+                .day(day)
+                .build();
+    }
+
+}

src/main/java/com/jisungin/application/talkroom/request/UserTalkRoomSearchCondition.java

@@ -0,0 +1,31 @@
+package com.jisungin.application.talkroom.request;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class UserTalkRoomSearchCondition {
+
+    private boolean userTalkRoomFilter;
+    private boolean commentedFilter;
+    private boolean likedFilter;
+
+    @Builder
+    private UserTalkRoomSearchCondition(boolean userTalkRoomFilter, boolean commentedFilter, boolean likedFilter) {
+        this.userTalkRoomFilter = userTalkRoomFilter;
+        this.commentedFilter = commentedFilter;
+        this.likedFilter = likedFilter;
+    }
+
+    public static UserTalkRoomSearchCondition of(boolean userTalkRoomFilter, boolean commentedFilter, boolean likedFilter) {
+        return UserTalkRoomSearchCondition.builder()
+                .userTalkRoomFilter(userTalkRoomFilter)
+                .commentedFilter(commentedFilter)
+                .likedFilter(likedFilter)
+                .build();
+    }
+
+}

src/main/java/com/jisungin/application/talkroom/response/TalkRoomFindAllResponse.java

@@ -45,7 +45,7 @@ private TalkRoomFindAllResponse(Long id, String profileImage, String username, S
         this.creatorId = creatorId;
     }
 
-    public static TalkRoomFindAllResponse of(TalkRoomQueryResponse talkRoom, List<ReadingStatus> readingStatuses) {
+    public static TalkRoomFindAllResponse of(TalkRoomQueryEntity talkRoom, List<ReadingStatus> readingStatuses) {
         return TalkRoomFindAllResponse.builder()
                 .id(talkRoom.getId())
                 .profileImage(talkRoom.getProfileImage())
@@ -62,7 +62,7 @@ public static TalkRoomFindAllResponse of(TalkRoomQueryResponse talkRoom, List<Re
                 .build();
     }
 
-    public static List<TalkRoomFindAllResponse> toList(List<TalkRoomQueryResponse> talkRooms,
+    public static List<TalkRoomFindAllResponse> toList(List<TalkRoomQueryEntity> talkRooms,
                                                        Map<Long, List<ReadingStatus>> readingStatuses) {
         return talkRooms.stream()
                 .map(talkRoom -> TalkRoomFindAllResponse.of(talkRoom, readingStatuses.get(talkRoom.getId())))

src/main/java/com/jisungin/application/talkroom/response/TalkRoomFindOneResponse.java

@@ -73,7 +73,7 @@ public static TalkRoomFindOneResponse of(TalkRoom talkRoom, Book book, User user
                 .build();
     }
 
-    public static TalkRoomFindOneResponse of(TalkRoomQueryResponse talkRoom, List<String> images,
+    public static TalkRoomFindOneResponse of(TalkRoomQueryEntity talkRoom, List<String> images,
                                              List<ReadingStatus> readingStatuses) {
         return TalkRoomFindOneResponse.builder()
                 .id(talkRoom.getId())

src/main/java/com/jisungin/application/talkroom/response/TalkRoomQueryResponse.java → src/main/java/com/jisungin/application/talkroom/response/TalkRoomQueryEntity.java

@@ -8,7 +8,7 @@
 
 @Getter
 @NoArgsConstructor
-public class TalkRoomQueryResponse {
+public class TalkRoomQueryEntity {
 
     private Long id;
     private String profileImage;
@@ -25,9 +25,9 @@ public class TalkRoomQueryResponse {
 
     @Builder
     @QueryProjection
-    public TalkRoomQueryResponse(Long id, String profileImage, String username, String title, String content,
-                                 String bookIsbn, String bookName, String bookAuthor, String bookThumbnail,
-                                 Long likeCount, LocalDateTime registeredDateTime, Long creatorId) {
+    public TalkRoomQueryEntity(Long id, String profileImage, String username, String title, String content,
+                               String bookIsbn, String bookName, String bookAuthor, String bookThumbnail,
+                               Long likeCount, LocalDateTime registeredDateTime, Long creatorId) {
         this.id = id;
         this.profileImage = profileImage;
         this.username = username;

src/main/java/com/jisungin/application/talkroom/response/TalkRoomRelatedBookResponse.java

@@ -38,7 +38,7 @@ private TalkRoomRelatedBookResponse(Long id, String profileImage, String usernam
         this.creatorId = creatorId;
     }
 
-    public static TalkRoomRelatedBookResponse of(TalkRoomQueryResponse talkRoom,
+    public static TalkRoomRelatedBookResponse of(TalkRoomQueryEntity talkRoom,
                                                  List<ReadingStatus> readingStatuses) {
         return TalkRoomRelatedBookResponse.builder()
                 .id(talkRoom.getId())
@@ -55,7 +55,7 @@ public static TalkRoomRelatedBookResponse of(TalkRoomQueryResponse talkRoom,
                 .build();
     }
 
-    public static List<TalkRoomRelatedBookResponse> toList(List<TalkRoomQueryResponse> talkRooms,
+    public static List<TalkRoomRelatedBookResponse> toList(List<TalkRoomQueryEntity> talkRooms,
                                                            Map<Long, List<ReadingStatus>> readingStatusesMap) {
         return talkRooms.stream()
                 .map(talkRoom -> TalkRoomRelatedBookResponse.of(talkRoom, readingStatusesMap.get(talkRoom.getId())))

src/main/java/com/jisungin/domain/talkroom/repository/TalkRoomOrderType.java

@@ -0,0 +1,33 @@
+package com.jisungin.domain.talkroom.repository;
+
+import static com.jisungin.domain.talkroom.QTalkRoom.talkRoom;
+import static com.jisungin.domain.talkroomlike.QTalkRoomLike.talkRoomLike;
+
+import com.querydsl.core.types.OrderSpecifier;
+import java.util.function.Supplier;
+
+public enum TalkRoomOrderType {
+
+    DEFAULT(() -> OrderByNull.DEFAULT),
+    RECENT(talkRoom.createDateTime::desc),
+    RECOMMEND(() -> talkRoomLike.count().desc());
+
+    private final Supplier<OrderSpecifier<?>> orderSpecifierSupplier;
+
+    TalkRoomOrderType(Supplier<OrderSpecifier<?>> orderSpecifierSupplier) {
+        this.orderSpecifierSupplier = orderSpecifierSupplier;
+    }
+
+    public static OrderSpecifier<?> getOrderSpecifierByName(String name) {
+        try {
+            return TalkRoomOrderType.valueOf(name.toUpperCase()).getOrderSpecifier();
+        } catch (IllegalArgumentException | NullPointerException e) {
+            return TalkRoomOrderType.DEFAULT.getOrderSpecifier();
+        }
+    }
+
+    private OrderSpecifier<?> getOrderSpecifier() {
+        return orderSpecifierSupplier.get();
+    }
+
+}