Feat/#14/notice 기능 개발

src/main/java/com/project/dorumdorum/domain/notice/application/dto/request/UpdateNoticeRequest.java

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+package com.project.dorumdorum.domain.notice.application.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+
+public record UpdateNoticeRequest(
+        @NotNull Long roomNo,
+        @NotNull Long noticeNo,
+        @NotBlank String title,
+        @NotBlank String content
+) {
+}

src/main/java/com/project/dorumdorum/domain/notice/application/dto/request/WriteCommentRequest.java

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+package com.project.dorumdorum.domain.notice.application.dto.request;
+
+public record WriteCommentRequest(
+        Long noticeNo,
+        String content
+) {
+}

src/main/java/com/project/dorumdorum/domain/notice/application/dto/request/WriteNoticeRequest.java

@@ -0,0 +1,12 @@
+package com.project.dorumdorum.domain.notice.application.dto.request;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+
+public record WriteNoticeRequest(
+        @NotNull Long roomNo,
+        @NotBlank String title,
+        @NotBlank String content
+) {
+
+}

src/main/java/com/project/dorumdorum/domain/notice/application/dto/response/CommentResponse.java

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+package com.project.dorumdorum.domain.notice.application.dto.response;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Comment;
+import lombok.Builder;
+
+import java.time.LocalDateTime;
+
+@Builder
+public record CommentResponse(
+        Long noticeNo,
+        Long userNo,
+        LocalDateTime updated_at,
+        String content
+) {
+    public static CommentResponse create(Comment comment) {
+        return CommentResponse.builder()
+                .noticeNo(comment.getNoticeNo())
+                .userNo(comment.getUserNo())
+                .updated_at(comment.getUpdatedAt())
+                .content(comment.getContent())
+                .build();
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/dto/response/NoticeResponse.java

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+package com.project.dorumdorum.domain.notice.application.dto.response;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+
+import lombok.Builder;
+import java.time.LocalDateTime;
+
+@Builder
+public record NoticeResponse(
+        Long noticeNo,
+        Long userNo,
+        LocalDateTime createdAt,
+        LocalDateTime updatedAt,
+        String title,
+        String content
+) {
+    public static NoticeResponse create(Notice notice) {
+        return NoticeResponse.builder()
+                .noticeNo(notice.getNoticeNo())
+                .userNo(notice.getUserNo())
+                .createdAt(notice.getCreatedAt())
+                .updatedAt(notice.getUpdatedAt())
+                .title(notice.getTitle())
+                .content(notice.getContent())
+                .build();
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/dto/response/NoticesResponse.java

@@ -0,0 +1,23 @@
+package com.project.dorumdorum.domain.notice.application.dto.response;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+import lombok.Builder;
+
+import java.time.LocalDateTime;
+
+@Builder
+public record NoticesResponse(
+        Long noticeNo,
+        Long userNo,
+        LocalDateTime updatedAt,
+        String title
+) {
+    public static NoticesResponse create(Notice notice) {
+        return NoticesResponse.builder()
+                .noticeNo(notice.getNoticeNo())
+                .userNo(notice.getUserNo())
+                .updatedAt(notice.getUpdatedAt())
+                .title(notice.getTitle())
+                .build();
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/usecase/DeleteNoticeUseCase.java

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+package com.project.dorumdorum.domain.notice.application.usecase;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+import com.project.dorumdorum.domain.notice.service.NoticeService;
+import com.project.dorumdorum.domain.user.domain.service.UserService;
+import com.project.dorumdorum.global.exception.RestApiException;
+import com.project.dorumdorum.global.exception.code.status.GlobalErrorStatus;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DeleteNoticeUseCase {
+
+    private final UserService userService;
+    private final NoticeService noticeService;
+
+    public void execute(Long userNo, Long noticeNo) {
+        userService.validateExistsById(userNo);
+
+        Notice notice = noticeService.findById(noticeNo);
+
+        if(notice.isDeleted())
+            throw new RestApiException(GlobalErrorStatus.NOTICE_ALREADY_DELETED);
+        if(!notice.isWriter(userNo))
+            throw new RestApiException(GlobalErrorStatus.NO_PERMISSION_ON_NOTICE);
+
+        noticeService.deleteNotice(noticeNo);
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/usecase/LoadNoticesUseCase.java

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+package com.project.dorumdorum.domain.notice.application.usecase;
+
+import com.project.dorumdorum.domain.notice.application.dto.response.NoticeResponse;
+import com.project.dorumdorum.domain.notice.application.dto.response.NoticesResponse;
+import com.project.dorumdorum.domain.notice.service.NoticeService;
+import com.project.dorumdorum.domain.room.domain.entity.Room;
+import com.project.dorumdorum.domain.room.domain.service.RoomService;
+import com.project.dorumdorum.domain.room.domain.service.RoommateService;
+import com.project.dorumdorum.domain.user.domain.service.UserService;
+import com.project.dorumdorum.global.exception.RestApiException;
+import com.project.dorumdorum.global.exception.code.status.GlobalErrorStatus;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class LoadNoticesUseCase {
+
+    private final UserService userService;
+    private final RoommateService roommateService;
+    private final RoomService roomService;
+    private final NoticeService noticeService;
+
+    public List<NoticesResponse> loadNotices(Long userNo, Long roomNo) {
+        userService.validateExistsById(userNo);
+
+        Room room = roomService.findById(roomNo);
+        if(!roommateService.isUserInRoom(userNo, room))
+            throw new RestApiException(GlobalErrorStatus.USER_NOT_IN_ROOM);
+
+        return noticeService.loadNoticeList(room.getRoomNo());
+    }
+
+    public NoticeResponse loadNotice(Long userNo, Long noticeNo) {
+        userService.validateExistsById(userNo);
+
+        return noticeService.loadNotice(noticeNo);
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/usecase/UpdateNoticeUseCase.java

@@ -0,0 +1,42 @@
+package com.project.dorumdorum.domain.notice.application.usecase;
+
+import com.project.dorumdorum.domain.notice.application.dto.request.UpdateNoticeRequest;
+import com.project.dorumdorum.domain.notice.application.dto.response.NoticeResponse;
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+import com.project.dorumdorum.domain.notice.service.NoticeService;
+import com.project.dorumdorum.domain.room.domain.entity.Room;
+import com.project.dorumdorum.domain.room.domain.service.RoomService;
+import com.project.dorumdorum.domain.user.domain.service.UserService;
+import com.project.dorumdorum.global.exception.RestApiException;
+import com.project.dorumdorum.global.exception.code.status.GlobalErrorStatus;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class UpdateNoticeUseCase {
+
+    private final UserService userService;
+    private final RoomService roomService;
+    private final NoticeService noticeService;
+
+    @Transactional
+    public NoticeResponse execute(Long userNo, UpdateNoticeRequest request) {
+        userService.validateExistsById(userNo);
+
+        Room room = roomService.findById(request.roomNo());
+
+        // 방장이 아닌 구성원도 작성가능 할 경우 삭제
+        if(!room.isHost(userNo))
+            throw new RestApiException(GlobalErrorStatus.NO_PERMISSION_ON_NOTICE);
+
+        Notice notice = noticeService.findById(request.noticeNo());
+
+        if(!notice.isWriter(userNo))
+            throw new RestApiException(GlobalErrorStatus.NO_PERMISSION_ON_NOTICE);
+
+        return noticeService.updateNotice(notice, request);
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/usecase/WriteCommentUseCase.java

@@ -0,0 +1,35 @@
+package com.project.dorumdorum.domain.notice.application.usecase;
+
+
+import com.project.dorumdorum.domain.notice.application.dto.request.WriteCommentRequest;
+import com.project.dorumdorum.domain.notice.application.dto.response.CommentResponse;
+import com.project.dorumdorum.domain.notice.domain.entity.Comment;
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+import com.project.dorumdorum.domain.notice.service.CommentService;
+import com.project.dorumdorum.domain.notice.service.NoticeService;
+import com.project.dorumdorum.domain.user.domain.service.UserService;
+import com.project.dorumdorum.global.exception.RestApiException;
+import com.project.dorumdorum.global.exception.code.status.GlobalErrorStatus;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class WriteCommentUseCase {
+
+    private final UserService userService;
+    private final NoticeService noticeService;
+    private final CommentService commentService;
+
+    public CommentResponse execute(Long userNo, WriteCommentRequest request) {
+        userService.validateExistsById(userNo);
+
+        Notice notice = noticeService.findById(request.noticeNo());
+
+        if(request.content().isEmpty())
+            throw new RestApiException(GlobalErrorStatus.CONTENT_IS_EMPTY);
+        Comment comment = commentService.saveComment(userNo, notice.getNoticeNo(), request.content());
+
+        return CommentResponse.create(comment);
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/application/usecase/WriteNoticeUseCase.java

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+package com.project.dorumdorum.domain.notice.application.usecase;
+
+import com.project.dorumdorum.domain.notice.application.dto.request.WriteNoticeRequest;
+import com.project.dorumdorum.domain.notice.application.dto.response.NoticeResponse;
+import com.project.dorumdorum.domain.notice.service.NoticeService;
+import com.project.dorumdorum.domain.room.domain.entity.Room;
+import com.project.dorumdorum.domain.room.domain.service.RoomService;
+import com.project.dorumdorum.domain.user.domain.service.UserService;
+import com.project.dorumdorum.global.exception.RestApiException;
+import com.project.dorumdorum.global.exception.code.status.GlobalErrorStatus;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class WriteNoticeUseCase {
+
+    private final UserService userService;
+    private final NoticeService noticeService;
+    private final RoomService roomService;
+
+    @Transactional
+    public NoticeResponse execute(Long userNo, WriteNoticeRequest request) {
+        userService.validateExistsById(userNo);
+
+        if(request.title().isEmpty())
+            throw new RestApiException(GlobalErrorStatus.TITLE_IS_EMPTY);
+        if(request.content().isEmpty())
+            throw new RestApiException(GlobalErrorStatus.CONTENT_IS_EMPTY);
+
+        Room room = roomService.findById(request.roomNo());
+        if(!room.isHost(userNo))
+            throw new RestApiException(GlobalErrorStatus.NO_PERMISSION_ON_NOTICE);
+
+
+        return NoticeResponse.create(noticeService.writeNotice(userNo, room.getRoomNo(), request));
+
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/domain/entity/Comment.java

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+package com.project.dorumdorum.domain.notice.domain.entity;
+
+import com.project.dorumdorum.global.common.BaseEntity;
+import io.hypersistence.utils.hibernate.id.Tsid;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import lombok.*;
+
+@Entity
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
+@Builder
+public class Comment extends BaseEntity {
+
+    @Id @Tsid
+    private Long commentNo;
+
+    @Column(nullable = false)
+    private Long userNo;
+
+    @Column(nullable = false)
+    private Long noticeNo;
+
+    @Column(nullable = false)
+    private String content;
+
+
+}

src/main/java/com/project/dorumdorum/domain/notice/domain/entity/Notice.java

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+package com.project.dorumdorum.domain.notice.domain.entity;
+
+import com.project.dorumdorum.global.common.BaseEntity;
+
+import io.hypersistence.utils.hibernate.id.Tsid;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@Builder
+public class Notice extends BaseEntity {
+    @Id @Tsid
+    private Long noticeNo;
+
+    @Column(nullable = false)
+    private Long roomNo;
+
+    @Column(nullable = false)
+    private Long userNo;
+
+    @Column(nullable = false)
+    private String title;
+
+    @Column(nullable = false)
+    private String content;
+
+    public void update(@NotBlank String title, @NotBlank String content) {
+        this.title = title;
+        this.content = content;
+    }
+
+    public boolean isWriter(Long userNo) {
+        return this.userNo.equals(userNo);
+    }
+}

src/main/java/com/project/dorumdorum/domain/notice/domain/repository/CommentRepository.java

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+package com.project.dorumdorum.domain.notice.domain.repository;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CommentRepository extends JpaRepository<Comment, Long> {
+
+}

src/main/java/com/project/dorumdorum/domain/notice/domain/repository/NoticeRepository.java

@@ -0,0 +1,11 @@
+package com.project.dorumdorum.domain.notice.domain.repository;
+
+import com.project.dorumdorum.domain.notice.domain.entity.Notice;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import java.util.List;
+
+public interface NoticeRepository extends JpaRepository<Notice, Long> {
+
+    List<Notice> findByRoomNo(Long roomNo);
+}