🔀 :: 공지사항 불러오는 api

src/main/java/com/mindway/server/v2/domain/notice/converter/NoticeConverter.java

@@ -3,8 +3,11 @@
 
 import com.mindway.server.v2.domain.notice.entity.Notice;
 import com.mindway.server.v2.domain.notice.presentation.dto.request.NoticeAddRequestDto;
+import com.mindway.server.v2.domain.notice.presentation.dto.response.NoticeGetResponseDto;
 import com.mindway.server.v2.domain.user.entity.User;
 
 public interface NoticeConverter {
     Notice toEntity(NoticeAddRequestDto noticeAddRequestDto, User user);
+
+    NoticeGetResponseDto toDto(Notice notice);
 }

src/main/java/com/mindway/server/v2/domain/notice/converter/impl/NoticeConverterImpl.java

@@ -3,6 +3,7 @@
 import com.mindway.server.v2.domain.notice.converter.NoticeConverter;
 import com.mindway.server.v2.domain.notice.entity.Notice;
 import com.mindway.server.v2.domain.notice.presentation.dto.request.NoticeAddRequestDto;
+import com.mindway.server.v2.domain.notice.presentation.dto.response.NoticeGetResponseDto;
 import com.mindway.server.v2.domain.user.entity.User;
 import org.springframework.stereotype.Component;
 
@@ -16,4 +17,11 @@ public Notice toEntity(NoticeAddRequestDto noticeAddRequestDto, User user) {
                 .user(user)
                 .build();
     }
+
+    public NoticeGetResponseDto toDto(Notice notice) {
+        return NoticeGetResponseDto.builder()
+                .title(notice.getTitle())
+                .content(notice.getContent())
+                .build();
+    }
 }

src/main/java/com/mindway/server/v2/domain/notice/exception/NotFoundNoticeException.java

@@ -0,0 +1,10 @@
+package com.mindway.server.v2.domain.notice.exception;
+
+import com.mindway.server.v2.global.exception.ErrorCode;
+import com.mindway.server.v2.global.exception.MindWayException;
+
+public class NotFoundNoticeException extends MindWayException {
+    public NotFoundNoticeException() {
+        super(ErrorCode.NOT_FOUND_NOTICE);
+    }
+}

src/main/java/com/mindway/server/v2/domain/notice/presentation/NoticeController.java

@@ -1,27 +1,33 @@
 package com.mindway.server.v2.domain.notice.presentation;
 
 import com.mindway.server.v2.domain.notice.presentation.dto.request.NoticeAddRequestDto;
+import com.mindway.server.v2.domain.notice.presentation.dto.response.NoticeGetResponseDto;
 import com.mindway.server.v2.domain.notice.service.NoticeAddService;
+import com.mindway.server.v2.domain.notice.service.NoticeGetService;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/v2/notice")
 public class NoticeController {
 
     private final NoticeAddService noticeAddService;
+    private final NoticeGetService noticeGetService;
 
     @PostMapping
     public ResponseEntity<Void> addNotice(@Valid @RequestBody NoticeAddRequestDto noticeAddRequestDto) {
         noticeAddService.execute(noticeAddRequestDto);
         return ResponseEntity.status(HttpStatus.CREATED).build();
     }
 
+    @GetMapping
+    public ResponseEntity<NoticeGetResponseDto> getNotice() {
+        NoticeGetResponseDto response = noticeGetService.execute();
+        return ResponseEntity.ok(response);
+    }
+
 }

src/main/java/com/mindway/server/v2/domain/notice/presentation/dto/response/NoticeGetResponseDto.java

@@ -0,0 +1,11 @@
+package com.mindway.server.v2.domain.notice.presentation.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class NoticeGetResponseDto {
+    private String title;
+    private String content;
+}

src/main/java/com/mindway/server/v2/domain/notice/repository/NoticeRepository.java

@@ -3,6 +3,11 @@
 
 import com.mindway.server.v2.domain.notice.entity.Notice;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 public interface NoticeRepository extends JpaRepository<Notice, Long> {
+
+    @Query("SELECT n FROM Notice n WHERE n.id = (SELECT MAX(n2.id) FROM Notice n2)")
+    Notice findNoticeWithMaxN();
+
 }

src/main/java/com/mindway/server/v2/domain/notice/service/NoticeGetService.java

@@ -0,0 +1,7 @@
+package com.mindway.server.v2.domain.notice.service;
+
+import com.mindway.server.v2.domain.notice.presentation.dto.response.NoticeGetResponseDto;
+
+public interface NoticeGetService {
+    NoticeGetResponseDto execute();
+}

src/main/java/com/mindway/server/v2/domain/notice/service/impl/NoticeGetServiceImpl.java

@@ -0,0 +1,28 @@
+package com.mindway.server.v2.domain.notice.service.impl;
+
+import com.mindway.server.v2.domain.notice.converter.NoticeConverter;
+import com.mindway.server.v2.domain.notice.entity.Notice;
+import com.mindway.server.v2.domain.notice.exception.NotFoundNoticeException;
+import com.mindway.server.v2.domain.notice.presentation.dto.response.NoticeGetResponseDto;
+import com.mindway.server.v2.domain.notice.repository.NoticeRepository;
+import com.mindway.server.v2.domain.notice.service.NoticeGetService;
+import com.mindway.server.v2.global.annotation.ServiceWithReadOnlyTransaction;
+import lombok.RequiredArgsConstructor;
+
+@ServiceWithReadOnlyTransaction
+@RequiredArgsConstructor
+public class NoticeGetServiceImpl implements NoticeGetService {
+
+    private final NoticeRepository noticeRepository;
+    private final NoticeConverter noticeConverter;
+
+    public NoticeGetResponseDto execute() {
+        Notice latestNotice = noticeRepository.findNoticeWithMaxN();
+
+        if (latestNotice == null) {
+            throw new NotFoundNoticeException();
+        }
+
+        return noticeConverter.toDto(latestNotice);
+    }
+}

src/main/java/com/mindway/server/v2/global/auth/AuthDetails.java

@@ -3,8 +3,10 @@
 import com.mindway.server.v2.domain.user.entity.User;
 import lombok.AllArgsConstructor;
 import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
 
+import java.util.ArrayList;
 import java.util.Collection;
 
 @AllArgsConstructor
@@ -13,7 +15,11 @@ public class AuthDetails implements UserDetails {
 
     @Override
     public Collection<? extends GrantedAuthority> getAuthorities() {
-        return null;
+        SimpleGrantedAuthority simpleGrantedAuthority = new SimpleGrantedAuthority(user.getAuthority().name());
+
+        Collection<GrantedAuthority> authorities = new ArrayList<>();
+        authorities.add(simpleGrantedAuthority);
+        return authorities;
     }
 
     @Override

src/main/java/com/mindway/server/v2/global/exception/ErrorCode.java

@@ -25,7 +25,10 @@ public enum ErrorCode {
 
     /* goal */
     EXIST_ALREADY_GOAL(400, "이미 목표 설정이 되어있습니다."),
-    NOT_EXIST_GOAL(404, "유저가 설정한 목표가 존재하지 않습니다");
+    NOT_EXIST_GOAL(404, "유저가 설정한 목표가 존재하지 않습니다"),
+
+    /* notice */
+    NOT_FOUND_NOTICE(404, "등록된 공지가 존재하지 않습니다.");
 
     private final int status;
     private final String message;

src/main/java/com/mindway/server/v2/global/security/config/SecurityConfig.java

@@ -66,6 +66,7 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
 
                                 // notice
                                 .requestMatchers(HttpMethod.POST, "/api/v2/notice").hasAnyAuthority(Authority.ROLE_TEACHER.name(), Authority.ROLE_HELPER.name())
+                                .requestMatchers(HttpMethod.GET, "/api/v2/notice").authenticated()
 
                                 .anyRequest().authenticated()
                 )