[현] Chapter 8. API & Swagger & Annotation

src/main/java/com/example/demo/domain/food/exception/FoodException.java

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+package com.example.demo.domain.food.exception;
+
+import com.example.demo.global.apiPayload.code.BaseErrorCode;
+import com.example.demo.global.apiPayload.exception.GeneralException;
+
+public class FoodException extends GeneralException {
+    public FoodException(BaseErrorCode code) {
+        super(code);
+    }
+}

src/main/java/com/example/demo/domain/food/exception/code/FoodErrorCode.java

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+package com.example.demo.domain.food.exception.code;
+
+import com.example.demo.global.apiPayload.code.BaseErrorCode;
+import com.example.demo.global.apiPayload.code.GeneralErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@AllArgsConstructor
+public enum FoodErrorCode implements BaseErrorCode {
+    Food_NOT_FOUND(HttpStatus.NOT_FOUND, "FOOD404","이거는 푸드 테스트");
+    private final HttpStatus status;
+    private final String code;
+    private final String message;
+}

src/main/java/com/example/demo/domain/food/repository/FoodRepository.java

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+package com.example.demo.domain.food.repository;
+
+import com.example.demo.domain.food.entity.Food;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FoodRepository extends JpaRepository<Food, Long> {
+
+}

src/main/java/com/example/demo/domain/member/controller/MemberController.java

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+package com.example.demo.domain.member.controller;
+
+import com.example.demo.domain.member.dto.req.MemberReqDTO;
+import com.example.demo.domain.member.dto.res.MemberResDTO;
+import com.example.demo.domain.member.exception.code.MemberSuccessCode;
+import com.example.demo.domain.member.service.command.MemberCommandService;
+import com.example.demo.global.apiPayload.ApiResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@RestController
+@RequiredArgsConstructor
+public class MemberController {
+    private final MemberCommandService memberCommandService;
+    // 회원가입
+    @PostMapping("/sign-up")
+    public ApiResponse<MemberResDTO.JoinDTO> signUp(
+            @RequestBody MemberReqDTO.JoinDTO dto
+    ){
+        return ApiResponse.onSuccess(MemberSuccessCode.FOUND, memberCommandService.signup(dto));
+    }
+}

src/main/java/com/example/demo/domain/member/converter/MemberConverter.java

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+package com.example.demo.domain.member.converter;
+
+import com.example.demo.domain.member.dto.req.MemberReqDTO;
+import com.example.demo.domain.member.dto.res.MemberResDTO;
+import com.example.demo.domain.member.entity.Member;
+
+public class MemberConverter {
+    // Entity -> DTO
+    public static MemberResDTO.JoinDTO toJoinDTO(
+            Member member
+    ){
+        return MemberResDTO.JoinDTO.builder()
+                .memberId(member.getId())
+                .createAt(member.getCreatedAt())
+                .build();
+    }
+
+    // DTO -> Entity
+    public static Member toMember(
+            MemberReqDTO.JoinDTO dto
+    ){
+        return Member.builder()
+                .name(dto.name())
+                .birth(dto.birth())
+                .address(dto.address())
+                .detailAddress(dto.specAddress())
+                .gender(dto.gender())
+                .build();
+    }
+}

src/main/java/com/example/demo/domain/member/dto/req/MemberReqDTO.java

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+package com.example.demo.domain.member.dto.req;
+
+import com.example.demo.domain.member.enums.Address;
+import com.example.demo.domain.member.enums.Gender;
+
+import java.time.LocalDate;
+import java.util.List;
+
+public class MemberReqDTO {
+
+
+
+    public record JoinDTO(
+            String name,
+            Gender gender,
+            LocalDate birth,
+            Address address,
+            String specAddress,
+            List<Long> preferCategory
+    ){}
+}

src/main/java/com/example/demo/domain/member/dto/res/MemberResDTO.java

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+package com.example.demo.domain.member.dto.res;
+
+import lombok.Builder;
+
+import java.time.LocalDateTime;
+
+public class MemberResDTO {
+    @Builder
+    public record JoinDTO(
+            Long memberId,
+            LocalDateTime createAt
+    ){}
+}

src/main/java/com/example/demo/domain/member/exception/MemberException.java

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+package com.example.demo.domain.member.exception;
+
+import com.example.demo.global.apiPayload.code.BaseErrorCode;
+import com.example.demo.global.apiPayload.exception.GeneralException;
+
+public class MemberException extends GeneralException {
+    public MemberException(BaseErrorCode code) {
+        super(code);
+    }
+}

src/main/java/com/example/demo/domain/member/exception/code/MemberErrorCode.java

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+package com.example.demo.domain.member.exception.code;
+
+import com.example.demo.global.apiPayload.code.BaseErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@AllArgsConstructor
+public enum MemberErrorCode implements BaseErrorCode {
+    NOT_FOUND(HttpStatus.NOT_FOUND,
+            "MEMBER404_1",
+            "해당 사용자를 찾지 못했습니다."),
+    ;
+    private final HttpStatus status;
+    private final String code;
+    private final String message;
+}

src/main/java/com/example/demo/domain/member/exception/code/MemberSuccessCode.java

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+package com.example.demo.domain.member.exception.code;
+
+import com.example.demo.global.apiPayload.code.BaseSuccessCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@AllArgsConstructor
+public enum MemberSuccessCode implements BaseSuccessCode {
+    FOUND(HttpStatus.OK,
+            "MEMBER200_1",
+            "성공적으로 사용자를 조회했습니다."),
+    ;
+    private final HttpStatus status;
+    private final String code;
+    private final String message;
+
+}

src/main/java/com/example/demo/domain/member/repository/MemberFoodRepository.java

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+package com.example.demo.domain.member.repository;
+
+import com.example.demo.domain.member.entity.mapping.MemberFood;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface MemberFoodRepository extends JpaRepository<MemberFood,Long> {
+
+}

src/main/java/com/example/demo/domain/member/service/command/MemberCommandService.java

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+package com.example.demo.domain.member.service.command;
+
+import com.example.demo.domain.member.dto.req.MemberReqDTO;
+import com.example.demo.domain.member.dto.res.MemberResDTO;
+
+public interface MemberCommandService {
+
+    public MemberResDTO.JoinDTO signup(
+            MemberReqDTO.JoinDTO dto
+    );
+}

src/main/java/com/example/demo/domain/member/service/command/MemberCommandServiceImpl.java

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+package com.example.demo.domain.member.service.command;
+
+import com.example.demo.domain.food.entity.Food;
+import com.example.demo.domain.food.exception.FoodException;
+import com.example.demo.domain.food.exception.code.FoodErrorCode;
+import com.example.demo.domain.food.repository.FoodRepository;
+import com.example.demo.domain.member.converter.MemberConverter;
+import com.example.demo.domain.member.dto.req.MemberReqDTO;
+import com.example.demo.domain.member.dto.res.MemberResDTO;
+import com.example.demo.domain.member.entity.Member;
+import com.example.demo.domain.member.entity.mapping.MemberFood;
+import com.example.demo.domain.member.repository.MemberFoodRepository;
+import com.example.demo.domain.member.repository.MemberRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class MemberCommandServiceImpl implements MemberCommandService {
+
+    private final MemberRepository memberRepository;
+    private final MemberFoodRepository memberFoodRepository;
+    private final FoodRepository foodRepository;
+
+    // 회원가입
+    @Override
+    @Transactional
+    public MemberResDTO.JoinDTO signup(
+            MemberReqDTO.JoinDTO dto
+    ) {
+        // 사용자 생성
+        Member member = MemberConverter.toMember(dto);
+        // DB 적용
+        memberRepository.save(member);
+
+        // 선호 음식 존재 여부 확인
+        if (dto.preferCategory().size() > 1) {
+            List<MemberFood> memberFoodList = new ArrayList<>();
+
+            // 선호 음식 ID별 조회
+            for (Long id : dto.preferCategory()) {
+
+                // 음식 존재 여부 검증
+                Food food = foodRepository.findById(id)
+                        .orElseThrow(() -> new FoodException(FoodErrorCode.Food_NOT_FOUND));
+
+                MemberFood memberFood = MemberFood.builder()
+                        .member(member)
+                        .food(food)
+                        .build();
+
+                memberFoodList.add(memberFood);
+            }
+
+            //DB 적용
+            memberFoodRepository.saveAll(memberFoodList);
+        }
+        return MemberConverter.toJoinDTO(member);
+    }
+}

src/main/java/com/example/demo/domain/member/service/query/MemberQueryService.java

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+package com.example.demo.domain.member.service.query;
+
+public interface MemberQueryService {
+    void checkFlag(Long flag);
+}

src/main/java/com/example/demo/domain/member/service/query/MemberQueryServiceImpl.java

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+package com.example.demo.domain.member.service.query;
+
+import com.example.demo.domain.member.exception.MemberException;
+import com.example.demo.domain.member.exception.code.MemberErrorCode;
+import com.example.demo.domain.test.exception.TestException;
+import com.example.demo.domain.test.exception.code.TestErrorCode;
+
+public class MemberQueryServiceImpl implements MemberQueryService {
+    @Override
+    public void checkFlag(Long flag) {
+        if(flag==1){
+            throw new MemberException(MemberErrorCode.NOT_FOUND);
+        }
+    }
+}

src/main/java/com/example/demo/domain/mission/controller/MissionController.java

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+package com.example.demo.domain.mission.controller;
+
+
+import com.example.demo.domain.member.entity.mapping.MemberMission;
+import com.example.demo.domain.mission.converter.MemberMissionConverter;
+import com.example.demo.domain.mission.dto.req.MissionReqDTO;
+import com.example.demo.domain.mission.dto.res.MissionResDTO;
+import com.example.demo.domain.mission.service.command.MissionCommandService;
+import com.example.demo.global.apiPayload.ApiResponse;
+import com.example.demo.global.apiPayload.code.GeneralSuccessCode;
+import lombok.RequiredArgsConstructor;
+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;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/missions")
+public class MissionController {
+
+    private final MissionCommandService missionCommandService;
+
+    // 미션 목록에 추가 API
+    @PostMapping("/add")
+    public ApiResponse<MissionResDTO.MissionJoinResultDto> joinMission(
+            @RequestBody  MissionReqDTO.MissionJoinDto request) {
+
+        MemberMission memberMission = missionCommandService.joinMission(request);
+        GeneralSuccessCode code = GeneralSuccessCode.OK;
+        return ApiResponse.onSuccess(code,MemberMissionConverter.toJoinResultDto(memberMission));
+    }
+}

src/main/java/com/example/demo/domain/mission/converter/MemberMissionConverter.java

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+package com.example.demo.domain.mission.converter;
+
+import com.example.demo.domain.member.entity.Member;
+import com.example.demo.domain.member.entity.mapping.MemberMission;
+import com.example.demo.domain.mission.dto.res.MissionResDTO;
+import com.example.demo.domain.mission.entity.Mission;
+
+import java.time.LocalDateTime;
+
+public class MemberMissionConverter {
+
+    public static MemberMission toEntity(Member member, Mission mission) {
+        return MemberMission.builder()
+                .member(member)
+                .mission(mission)
+                .isComplete(false) // 초기엔 성공 안함
+                .build();
+    }
+
+    public static MissionResDTO.MissionJoinResultDto toJoinResultDto(MemberMission memberMission) {
+        return MissionResDTO.MissionJoinResultDto.builder()
+                .memberMissionId(memberMission.getId())
+                .createdAt(LocalDateTime.now())
+                .build();
+    }
+}

src/main/java/com/example/demo/domain/mission/dto/req/MissionReqDTO.java

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+package com.example.demo.domain.mission.dto.req;
+
+import lombok.Getter;
+import org.antlr.v4.runtime.misc.NotNull;
+
+public class MissionReqDTO {
+
+    @Getter
+    public static class MissionJoinDto {
+        @NotNull
+        private Long memberId;
+        @NotNull
+        private Long missionId;
+    }
+}

src/main/java/com/example/demo/domain/mission/dto/res/MissionResDTO.java

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+package com.example.demo.domain.mission.dto.res;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+public class MissionResDTO {
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class MissionJoinResultDto {
+        private Long memberMissionId; // 생성된 매핑 ID
+        private LocalDateTime createdAt;
+    }
+}