Member 생성, 조회, 수정 구현

src/main/java/com/gdgoc/study_group/member/api/MemberController.java

@@ -0,0 +1,92 @@
+package com.gdgoc.study_group.member.api;
+
+import com.gdgoc.study_group.member.application.MemberService;
+import com.gdgoc.study_group.member.domain.Member;
+import com.gdgoc.study_group.member.dto.request.MemberRequestDto;
+import com.gdgoc.study_group.member.dto.response.MemberCreateResponseDto;
+import com.gdgoc.study_group.member.dto.response.MemberGetResponseDto;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/users")
+@RequiredArgsConstructor
+@Tag(name = "Member", description = "회원 API")
+public class MemberController {
+    private final MemberService memberService;
+
+    /**
+     * 새 멤버를 생성합니다.
+     *
+     * @param request 새로 만들 멤버 정보
+     * @return 성공하면 생성 성공 메시지와 생성된 회원의 ID 반환
+     */
+    @Operation(summary = "멤버 생성", description = "관리자가 직접 정보 넣어서 멤버 생성")
+    @PostMapping
+    public ResponseEntity<MemberCreateResponseDto> createMember(@RequestBody MemberRequestDto request) {
+        Member createdMember = memberService.createMember(request);
+
+        // record 생성자 직접 호출
+        MemberCreateResponseDto response = new MemberCreateResponseDto(createdMember.getId().toString());
+
+        return ResponseEntity.status(HttpStatus.CREATED).body(response);
+    }
+
+    /**
+     * 멤버를 조회합니다.
+     *
+     * @param memberId 멤버를 조회할 정보
+     * @return 성공하면 성공 메시지와 회원 정보 반환
+     */
+    @Operation(summary = "멤버 조회", description = "url에 담긴 id 정보로 해당 회원 정보 조회")
+    @GetMapping("/{id}/profile")
+    public ResponseEntity<MemberGetResponseDto> getMember(
+            @PathVariable("id") Long memberId
+//            @RequestHeader("Authorization") String authorizationHeader
+    ) {
+//        // Bearer 토큰 추출
+//        String token = authorizationHeader.replace("Bearer ", "");
+//
+//        // TODO: JWT 토큰 검증 로직 추가
+
+        Member member = memberService.getMember(memberId);
+
+        // record 생성자 직접 호출
+        MemberGetResponseDto response = new MemberGetResponseDto(
+                member.getId().toString(),
+                member.getName(),
+                member.getGithub(),
+                member.getStudentNumber()
+        );
+
+        return ResponseEntity.status(HttpStatus.OK).body(response);
+    }
+
+    /**
+     * 멤버가 정보를 수정합니다.
+     *
+     * @param memberId 멤버를 조회할 정보
+     * @param request 수정할 정보
+     * @return 성공하면 성공 메시지 204 반환
+     */
+    @Operation(summary = "멤버 정보 수정", description = "url에 담긴 id 정보로 해당 회원 정보 수정")
+    @PatchMapping("/{id}/profile")
+    public ResponseEntity<Void> updateMemberProfile(
+            @PathVariable("id") Long memberId,
+            @RequestBody MemberRequestDto request
+//            @RequestHeader("Authorization") String authorizationHeader
+    ) {
+//        // Bearer 토큰 추출
+//        String token = authorizationHeader.replace("Bearer ", "");
+//
+//        // TODO: JWT 토큰 검증 로직 추가
+
+        memberService.updateMember(memberId, request);
+
+        return ResponseEntity.status(HttpStatus.RESET_CONTENT).build();
+    }
+}

src/main/java/com/gdgoc/study_group/member/application/MemberService.java

@@ -0,0 +1,71 @@
+package com.gdgoc.study_group.member.application;
+
+import com.gdgoc.study_group.member.dao.MemberRepository;
+import com.gdgoc.study_group.member.domain.Member;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import com.gdgoc.study_group.member.dto.request.MemberRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class MemberService {
+
+  private final MemberRepository memberRepository;
+
+  /**
+   * 새 멤버를 생성합니다.
+   *
+   * @param request 새로 만들 멤버 정보
+   * @return Member 형태로 반환
+   */
+  @Transactional
+  public Member createMember(MemberRequestDto request) {
+
+    Member newMember =
+        Member.builder()
+            .name(request.name())
+            .github(request.github())
+            .studentNumber(request.studentNumber())
+            .build();
+
+    return memberRepository.save(newMember);
+  }
+
+  /**
+   * 멤버를 조회합니다.
+   *
+   * @param memberId 멤버를 조회할 정보
+   * @return Member 형태로 반환
+   */
+  public Member getMember(Long memberId) {
+    return memberRepository
+        .findById(memberId)
+        .orElseThrow(() -> new NoSuchElementException("member not found"));
+  }
+
+  /**
+   * 멤버가 정보를 수정합니다.
+   *
+   * @param memberId 멤버를 조회할 정보
+   * @param request 수정할 정보
+   */
+  @Transactional
+  public void updateMember(Long memberId, MemberRequestDto request) {
+
+    Member member = getMember(memberId);
+
+    // 수정할 정보가 있을 시, dto에 담겨온 정보로 수정됨
+    String updatedName = Optional.ofNullable(request.name())
+            .orElse(member.getName());
+    String updatedGithub = Optional.ofNullable(request.github())
+            .orElse(member.getGithub());
+    String updatedStudentNumber = Optional.ofNullable(request.studentNumber())
+            .orElse(member.getStudentNumber());
+
+    member.updateMember(updatedName, updatedGithub, updatedStudentNumber);
+  }
+}

src/main/java/com/gdgoc/study_group/member/domain/Member.java

@@ -9,8 +9,14 @@
 import jakarta.persistence.OneToMany;
 import java.util.ArrayList;
 import java.util.List;
+import lombok.*;
 
 @Entity
+@Builder
+@ToString
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
 public class Member {
   @Id
   @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -25,4 +31,17 @@ public class Member {
   private String name;
   private String github;
   private String studentNumber;
+
+  /**
+   * 회원이 수정한 정보를 업데이트합니다.
+   * @param name 회원 이름
+   * @param github 회원 깃허브 주소
+   * @param studentNumber 회원 학번
+   */
+  public void updateMember(String name, String github, String studentNumber) {
+
+    this.name = name;
+    this.github = github;
+    this.studentNumber = studentNumber;
+  }
 }

src/main/java/com/gdgoc/study_group/member/dto/request/MemberRequestDto.java

@@ -0,0 +1,6 @@
+package com.gdgoc.study_group.member.dto.request;
+
+public record MemberRequestDto(
+        String name,
+        String github,
+        String studentNumber) {}

src/main/java/com/gdgoc/study_group/member/dto/response/MemberCreateResponseDto.java

@@ -0,0 +1,4 @@
+package com.gdgoc.study_group.member.dto.response;
+
+public record MemberCreateResponseDto(
+        String studentId) {}

src/main/java/com/gdgoc/study_group/member/dto/response/MemberGetResponseDto.java

@@ -0,0 +1,7 @@
+package com.gdgoc.study_group.member.dto.response;
+
+public record MemberGetResponseDto(
+        String studentId,
+        String name,
+        String github,
+        String studentNumber) {}