[feat] #5 회원가입 API, 전체 회원 조회 API, 단일 회원 조회 API 작성

src/main/java/com/wedit/weditapp/domain/member/controller/MemberController.java

@@ -1,32 +1,87 @@
 package com.wedit.weditapp.domain.member.controller;
 
 import com.wedit.weditapp.domain.member.domain.Member;
-import com.wedit.weditapp.domain.member.domain.repository.MemberRepository;
 import com.wedit.weditapp.domain.member.dto.LoginRequestDto;
 import com.wedit.weditapp.domain.member.dto.MemberRequestDto;
 import com.wedit.weditapp.domain.member.dto.MemberResponseDto;
-import com.wedit.weditapp.domain.shared.MemberRole;
-import com.wedit.weditapp.domain.shared.MemberStatus;
-import com.wedit.weditapp.global.error.ErrorCode;
-import com.wedit.weditapp.global.error.exception.CommonException;
+import com.wedit.weditapp.domain.member.service.MemberService;
 import com.wedit.weditapp.global.response.GlobalResponseDto;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/members")
 @RequiredArgsConstructor
 public class MemberController {
 
-}
+    private final MemberService memberService;
 
+    // 회원 가입 API
+    @Operation(summary = "회원가입", description = "새로운 유저를 등록합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "201", description = "회원 가입 성공"),
+            @ApiResponse(responseCode = "409", description = "이미 가입된 이메일입니다."),
+            @ApiResponse(responseCode = "500", description = "서버 에러")
+    })
+    @PostMapping("/signup")
+    public ResponseEntity<GlobalResponseDto<MemberResponseDto>> createMember(@Valid @RequestBody MemberRequestDto requestDto) {
+        Member saved = memberService.createMember(requestDto);
 
+        return ResponseEntity
+                .status(HttpStatus.CREATED)
+                .body(GlobalResponseDto.success(MemberResponseDto.from(saved), 201));
+    }
+
+    // 임시 로그인 API
+    @Operation(summary = "임시 로그인", description = "해당 서비스에 로그인합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "201", description = "로그인 성공"),
+            @ApiResponse(responseCode = "401", description = "로그인에 실패하였습니다."),
+            @ApiResponse(responseCode = "404", description = "유저를 찾을 수 없습니다."),
+            @ApiResponse(responseCode = "500", description = "서버 에러")
+    })
+    @PostMapping("/login")
+    public ResponseEntity<GlobalResponseDto<String>> login(@RequestBody LoginRequestDto loginRequest) {
+        String message = memberService.login(loginRequest);
+        return ResponseEntity.ok(GlobalResponseDto.success(message));
+    }
+
+    // 모든 회원 조회 API
+    @Operation(summary = "모든 회원 조회", description = "등록된 모든 회원의 정보를 조회합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "201", description = "조회 성공"),
+            @ApiResponse(responseCode = "404", description = "유저를 찾을 수 없습니다."),
+            @ApiResponse(responseCode = "500", description = "서버 에러")
+    })
+    @GetMapping
+    public ResponseEntity<GlobalResponseDto<List<MemberResponseDto>>> findAllMembers() {
+        List<Member> members = memberService.findAllMembers();
+        List<MemberResponseDto> memberResponses = members.stream()
+                .map(MemberResponseDto::from)
+                .collect(Collectors.toList());
+
+        return ResponseEntity.ok(GlobalResponseDto.success(memberResponses));
+    }
+
+    // 단일 회원 조회 API
+    @Operation(summary = "단일 회원 조회", description = "해당 id를 가진 회원의 정보를 조회합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "201", description = "조회 성공"),
+            @ApiResponse(responseCode = "404", description = "유저를 찾을 수 없습니다."),
+            @ApiResponse(responseCode = "500", description = "서버 에러")
+    })
+    @GetMapping("/{userId}")
+    public ResponseEntity<GlobalResponseDto<MemberResponseDto>> findMemberById(@PathVariable Long userId) {
+        Member member = memberService.findMemberById(userId);
+        return ResponseEntity.ok(GlobalResponseDto.success(MemberResponseDto.from(member)));
+    }
+}

src/main/java/com/wedit/weditapp/domain/member/dto/MemberRequestDto.java

@@ -1,12 +1,20 @@
 package com.wedit.weditapp.domain.member.dto;
 
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
 public class MemberRequestDto {
+    @Email(message = "이메일 형식을 지켜야 합니다.")
+    @NotBlank(message = "이메일을 반드시 입력해야 합니다.")
     private String email;
+
+    @NotBlank(message = "비밀번호를 반드시 입력해야 합니다.")
     private String password; // 임시 비밀번호
+
+    @NotBlank(message = "이름을 반드시 입력해야 합니다.")
     private String name;
 }