Merge pull request #245 from KJBig/feature/S2D-62

Feature/s2 d 62

src/main/java/com/sluv/server/domain/notice/controller/NoticeController.java

@@ -0,0 +1,55 @@
+package com.sluv.server.domain.notice.controller;
+
+import com.sluv.server.domain.notice.dto.NoticeDetailResDto;
+import com.sluv.server.domain.notice.dto.NoticeSimpleResDto;
+import com.sluv.server.domain.notice.service.NoticeService;
+import com.sluv.server.global.common.response.PaginationResDto;
+import com.sluv.server.global.common.response.SuccessDataResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/app/notice")
+@RequiredArgsConstructor
+public class NoticeController {
+    private final NoticeService noticeService;
+    @Operation(
+            summary = "공지사항 리스트 조회",
+            description = """
+                    - 공지사항 리스트 조회 API\n
+                    - Pagination 적용
+                    """
+    )
+    @GetMapping("")
+    public ResponseEntity<SuccessDataResponse<PaginationResDto<NoticeSimpleResDto>>> getAllNotice(Pageable pageable){
+
+        return ResponseEntity.ok().body(
+                SuccessDataResponse.<PaginationResDto<NoticeSimpleResDto>>builder()
+                        .result(noticeService.getAllNotice(pageable))
+                        .build()
+        );
+    }
+
+    @Operation(
+            summary = "공지사항 상세 조회",
+            description = """
+                    - 공지사항 상세 조회 API\n
+                    - 상세 조회할 공지사항의 Id를 PathVariable로 받음.
+                    """
+    )
+    @GetMapping("/{noticeId}")
+    public ResponseEntity<SuccessDataResponse<NoticeDetailResDto>> getNoticeDetail(@PathVariable("noticeId") Long noticeId){
+
+        return ResponseEntity.ok().body(
+                SuccessDataResponse.<NoticeDetailResDto>builder()
+                        .result(noticeService.getNoticeDetail(noticeId))
+                        .build()
+        );
+    }
+}

src/main/java/com/sluv/server/domain/notice/dto/NoticeDetailResDto.java

@@ -0,0 +1,37 @@
+package com.sluv.server.domain.notice.dto;
+
+import com.sluv.server.domain.notice.entity.Notice;
+import com.sluv.server.domain.notice.enums.NoticeType;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class NoticeDetailResDto {
+
+    @Schema(description = "공지사항 제목")
+    private String title;
+    @Schema(description = "공지사항 내용")
+    private String content;
+    @Schema(description = "공지사항 공지일")
+    private LocalDateTime createdAt;
+    @Schema(description = "공지사항 타입")
+    private NoticeType noticeType;
+
+    public static NoticeDetailResDto of(Notice notice){
+
+        return NoticeDetailResDto.builder()
+                .title(notice.getTitle())
+                .content(notice.getContent())
+                .createdAt(notice.getCreatedAt())
+                .noticeType(notice.getNoticeType())
+                .build();
+    }
+}

src/main/java/com/sluv/server/domain/notice/dto/NoticeSimpleResDto.java

@@ -0,0 +1,33 @@
+package com.sluv.server.domain.notice.dto;
+
+import com.sluv.server.domain.notice.entity.Notice;
+import com.sluv.server.domain.notice.enums.NoticeType;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class NoticeSimpleResDto {
+    @Schema(description = "공지사항 제목")
+    private String title;
+    @Schema(description = "공지사항 공지일")
+    private LocalDateTime createdAt;
+    @Schema(description = "공지사항 타입")
+    private NoticeType noticeType;
+
+    public static NoticeSimpleResDto of(Notice notice){
+
+        return NoticeSimpleResDto.builder()
+                .title(notice.getTitle())
+                .createdAt(notice.getCreatedAt())
+                .noticeType(notice.getNoticeType())
+                .build();
+    }
+}

src/main/java/com/sluv/server/domain/notice/exception/NoticeException.java

@@ -0,0 +1,10 @@
+package com.sluv.server.domain.notice.exception;
+
+import com.sluv.server.global.common.exception.ApplicationException;
+import org.springframework.http.HttpStatus;
+
+public abstract class NoticeException extends ApplicationException {
+    public NoticeException(int errorCode, HttpStatus httpStatus, String message) {
+        super(errorCode, httpStatus, message);
+    }
+}

src/main/java/com/sluv/server/domain/notice/exception/NoticeNotFoundException.java

@@ -0,0 +1,14 @@
+package com.sluv.server.domain.notice.exception;
+
+import org.springframework.http.HttpStatus;
+
+public class NoticeNotFoundException extends NoticeException{
+
+    private static final int ERROR_CODE = 2024;
+    private static final String MESSAGE = "존재하지 않는 Notice입니다.";
+    private static final HttpStatus STATUS = HttpStatus.BAD_REQUEST;
+
+    public NoticeNotFoundException() {
+        super(ERROR_CODE, STATUS, MESSAGE);
+    }
+}

src/main/java/com/sluv/server/domain/notice/repository/NoticeRepository.java

@@ -0,0 +1,8 @@
+package com.sluv.server.domain.notice.repository;
+
+import com.sluv.server.domain.notice.entity.Notice;
+import com.sluv.server.domain.notice.repository.impl.NoticeRepositoryCustom;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface NoticeRepository extends JpaRepository<Notice, Long>, NoticeRepositoryCustom {
+}

src/main/java/com/sluv/server/domain/notice/repository/impl/NoticeRepositoryCustom.java

@@ -0,0 +1,9 @@
+package com.sluv.server.domain.notice.repository.impl;
+
+import com.sluv.server.domain.notice.entity.Notice;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+public interface NoticeRepositoryCustom {
+    Page<Notice> getAllNotice(Pageable pageable);
+}

src/main/java/com/sluv/server/domain/notice/repository/impl/NoticeRepositoryImpl.java

@@ -0,0 +1,34 @@
+package com.sluv.server.domain.notice.repository.impl;
+
+import com.querydsl.jpa.impl.JPAQuery;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.sluv.server.domain.notice.entity.Notice;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.support.PageableExecutionUtils;
+
+import java.util.List;
+
+import static com.sluv.server.domain.notice.entity.QNotice.notice;
+
+@RequiredArgsConstructor
+public class NoticeRepositoryImpl implements NoticeRepositoryCustom {
+    private final JPAQueryFactory jpaQueryFactory;
+
+    @Override
+    public Page<Notice> getAllNotice(Pageable pageable) {
+        List<Notice> content = jpaQueryFactory.selectFrom(notice)
+                .orderBy(notice.createdAt.desc())
+                .offset(pageable.getOffset())
+                .limit(pageable.getPageSize())
+                .fetch();
+
+        // Count Query
+        JPAQuery<Notice> count = jpaQueryFactory.selectFrom(notice)
+                .orderBy(notice.createdAt.desc());
+
+
+        return PageableExecutionUtils.getPage(content, pageable, () -> count.fetch().size());
+    }
+}

src/main/java/com/sluv/server/domain/notice/service/NoticeService.java

@@ -0,0 +1,50 @@
+package com.sluv.server.domain.notice.service;
+
+import com.sluv.server.domain.notice.dto.NoticeDetailResDto;
+import com.sluv.server.domain.notice.dto.NoticeSimpleResDto;
+import com.sluv.server.domain.notice.entity.Notice;
+import com.sluv.server.domain.notice.exception.NoticeNotFoundException;
+import com.sluv.server.domain.notice.repository.NoticeRepository;
+import com.sluv.server.global.common.response.PaginationResDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class NoticeService {
+    private final NoticeRepository noticeRepository;
+
+    /**
+     * 공지사항 리스트 조회
+     */
+    public PaginationResDto<NoticeSimpleResDto> getAllNotice(Pageable pageable) {
+        // 공지사항 리스트 Page 조회
+        Page<Notice> noticePage = noticeRepository.getAllNotice(pageable);
+
+        // Content가 될 Dto 제작
+        List<NoticeSimpleResDto> content = noticePage.stream()
+                                                        .map(NoticeSimpleResDto::of)
+                                                        .toList();
+
+        return PaginationResDto.<NoticeSimpleResDto>builder()
+                .page(noticePage.getNumber())
+                .hasNext(noticePage.hasNext())
+                .content(content)
+                .build();
+    }
+
+    /**
+     * 공지사항 상세 조회
+     */
+    public NoticeDetailResDto getNoticeDetail(Long noticeId) {
+
+        // noticeId에 해당하는 공지사항 조회
+        Notice notice = noticeRepository.findById(noticeId).orElseThrow(NoticeNotFoundException::new);
+
+        return NoticeDetailResDto.of(notice);
+    }
+}