Member 생성, 조회, 수정 구현

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

@@ -0,0 +1,61 @@
+package com.gdgoc.study_group.member.application;
+
+import com.gdgoc.study_group.member.dao.MemberRepository;
+import com.gdgoc.study_group.member.domain.Member;
+import com.gdgoc.study_group.member.dto.request.MemberCreateRequestDto;
+import com.gdgoc.study_group.member.dto.request.MemberUpdateRequestDto;
+import java.util.NoSuchElementException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class MemberService {
+
+  private final MemberRepository memberRepository;
+
+  /**
+   * 새 멤버를 생성합니다.
+   *
+   * @param request 새로 만들 멤버 정보
+   * @return Member 형태로 반환
+   */
+  public Member createMember(MemberCreateRequestDto request) {
+
+    Member newMember =
+        Member.builder()
+            .name(request.getName())
+            .github(request.getGithub())
+            .studentNumber(request.getStudentNumber())
+            .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, MemberUpdateRequestDto request) {
+
+    Member member = getMember(memberId);
+
+    member.updateMember(request.getName(), request.getGithub(), request.getStudentNumber());
+  }
+}

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

@@ -0,0 +1,87 @@
+package com.gdgoc.study_group.member.controller;
+
+import com.gdgoc.study_group.member.application.MemberService;
+import com.gdgoc.study_group.member.domain.Member;
+import com.gdgoc.study_group.member.dto.request.MemberCreateRequestDto;
+import com.gdgoc.study_group.member.dto.request.MemberUpdateRequestDto;
+import com.gdgoc.study_group.member.dto.response.MemberCreateResponseDto;
+import com.gdgoc.study_group.member.dto.response.MemberGetResponseDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/users")
+@RequiredArgsConstructor
+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
+     */
+    @PostMapping
+    public ResponseEntity<?> createMember(@RequestBody MemberCreateRequestDto request) {
+        Member createdMember = memberService.createMember(request);
+
+        MemberCreateResponseDto response = MemberCreateResponseDto.builder()
+                .studentId(createdMember.getId().toString())
+                .build();
+
+        return ResponseEntity.status(HttpStatus.CREATED).body(response);
+    }
+
+    /**
+     * 멤버를 조회합니다.
+     *
+     * @param memberId 멤버를 조회할 정보
+     * @return 성공하면 성공 메시지와 회원 정보 반환
+     */
+    @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);
+
+        MemberGetResponseDto response = MemberGetResponseDto.builder()
+                .studentId(member.getId().toString())
+                .name(member.getName())
+                .github(member.getGithub())
+                .studentNumber(member.getStudentNumber())
+                .build();
+
+        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
+     */
+    @PatchMapping("/{id}/profile")
+    public ResponseEntity<String> updateMemberProfile(
+            @PathVariable("id") Long memberId,
+            @RequestBody MemberUpdateRequestDto 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.NO_CONTENT).body("프로필 수정 성공");
+    }
+}

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
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@Getter
 public class Member {
   @Id
   @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -25,4 +31,16 @@ public class Member {
   private String name;
   private String github;
   private String studentNumber;
+
+  public void updateMember(String name, String github, String studentNumber) {
+    if (name != null) {
+      this.name = name;
+    }
+    if (github != null) {
+      this.github = github;
+    }
+    if (studentNumber != null) {
+      this.studentNumber = studentNumber;
+    }
+  }
 }

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

@@ -0,0 +1,10 @@
+package com.gdgoc.study_group.member.dto.request;
+
+import lombok.Getter;
+
+@Getter
+public class MemberCreateRequestDto {
+  private String name;
+  private String github;
+  private String studentNumber;
+}

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

@@ -0,0 +1,10 @@
+package com.gdgoc.study_group.member.dto.request;
+
+import lombok.Getter;
+
+@Getter
+public class MemberUpdateRequestDto {
+  private String name;
+  private String github;
+  private String studentNumber;
+}

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

@@ -0,0 +1,10 @@
+package com.gdgoc.study_group.member.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class MemberCreateResponseDto {
+    private String studentId;
+}

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

@@ -0,0 +1,13 @@
+package com.gdgoc.study_group.member.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class MemberGetResponseDto {
+    private String studentId;
+    private String name;
+    private String github;
+    private String studentNumber;
+}