[FEAT] #46 D-DAY 기능 구현

src/main/java/com/example/be/apiPayload/code/status/ErrorStatus.java

@@ -33,7 +33,11 @@ public enum ErrorStatus implements BaseErrorCode {
     _NOT_USER_COMMENT(HttpStatus.NOT_FOUND, "COMMENT402", "해당 유저의 댓글이 아닙니다."),
 
     //스터디룸 관련 에러
-    _NOT_FOUND_ROOM(HttpStatus.NOT_FOUND, "ROOM401", "해당 방의 이름을 찾을 수 없습니다.");
+    _NOT_FOUND_ROOM(HttpStatus.NOT_FOUND, "ROOM401", "해당 방의 이름을 찾을 수 없습니다."),
+
+    //디데이 관련 에러
+    _NOT_USER_DDAY(HttpStatus.BAD_REQUEST, "DDAY401", "해당 유저의 디데이가 아닙니다."),
+    _NOT_FOUND_DDAY(HttpStatus.NOT_FOUND, "DDAY402", "해당 디데이를 찾을 수 없습니다.");
 
     private final HttpStatus httpStatus;
     private final String code;

src/main/java/com/example/be/apiPayload/exception/handler/DDayHandler.java

@@ -0,0 +1,10 @@
+package com.example.be.apiPayload.exception.handler;
+
+import com.example.be.apiPayload.code.BaseErrorCode;
+import com.example.be.apiPayload.exception.GeneralException;
+
+public class DDayHandler extends GeneralException {
+    public DDayHandler(BaseErrorCode code) {
+        super(code);
+    }
+}

src/main/java/com/example/be/domain/DDay.java

@@ -0,0 +1,28 @@
+package com.example.be.domain;
+
+import com.example.be.domain.enums.Role;
+import jakarta.persistence.*;
+import lombok.*;
+
+import java.time.LocalDate;
+
+@Entity
+@Getter
+@Setter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class DDay {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+
+    private LocalDate day;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+}

src/main/java/com/example/be/domain/User.java

@@ -55,6 +55,9 @@ public class User {
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Post> posts;
 
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<DDay> dDays;
+
     @OneToOne(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     private Participant participant;
 

src/main/java/com/example/be/repository/DDayRepository.java

@@ -0,0 +1,16 @@
+package com.example.be.repository;
+
+import com.example.be.domain.DDay;
+import com.example.be.domain.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+
+public interface DDayRepository extends JpaRepository<DDay, Long> {
+
+    List<DDay> findDDayByUser(User user);
+
+    Optional<DDay> findByIdAndUser(Long id, User user);
+}

src/main/java/com/example/be/service/DDayServiceImpl.java

@@ -0,0 +1,94 @@
+package com.example.be.service;
+
+import com.example.be.apiPayload.code.status.ErrorStatus;
+import com.example.be.apiPayload.exception.handler.DDayHandler;
+import com.example.be.apiPayload.exception.handler.UserHandler;
+import com.example.be.domain.DDay;
+import com.example.be.domain.User;
+import com.example.be.repository.DDayRepository;
+import com.example.be.repository.UserRepository;
+import com.example.be.web.dto.CommonDTO;
+import com.example.be.web.dto.DDayDTO;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class DDayServiceImpl {
+    private final UserRepository userRepository;
+    private final JwtUtilServiceImpl jwtUtilService;
+    private final DDayRepository dayRepository;
+
+    private User getUserFromRequest(HttpServletRequest request) {
+        try {
+            String accessToken = jwtUtilService.extractTokenFromCookie(request, "accessToken");
+            if (accessToken != null) {
+                String userId = jwtUtilService.getUserIdFromToken(accessToken);
+                return userRepository.findByUserId(UUID.fromString(userId)).orElse(null);
+            }
+        } catch (Exception e) {
+            throw new UserHandler(ErrorStatus._NOT_FOUND_COOKIE);
+        }
+        return null;
+    }
+
+    public CommonDTO.IsSuccessDTO createDDay(HttpServletRequest request, DDayDTO.DDayRequestDto requestDto) {
+        User user = getUserFromRequest(request);
+
+        DDay dDay = DDay.builder()
+                .name(requestDto.getName())
+                .day(requestDto.getDay())
+                .user(user)
+                .build();
+
+        dayRepository.save(dDay);
+
+        return CommonDTO.IsSuccessDTO.builder().isSuccess(true).build();
+    }
+
+    public List<DDayDTO.DDayResponseDto> getDDays(HttpServletRequest request) {
+        User user = getUserFromRequest(request);
+        List<DDay> dDayList = dayRepository.findDDayByUser(user);
+
+        return dDayList.stream()
+                .map(day -> DDayDTO.DDayResponseDto.builder()
+                        .id(day.getId())
+                        .name(day.getName())
+                        .day(day.getDay())
+                        .build())
+                .collect(Collectors.toList());
+    }
+
+    public CommonDTO.IsSuccessDTO deleteDDay (HttpServletRequest request, Long id) {
+        User user = getUserFromRequest(request);
+
+        dayRepository.findById(id).orElseThrow(() -> new DDayHandler(ErrorStatus._NOT_FOUND_DDAY));
+        DDay dDay = dayRepository.findByIdAndUser(id, user)
+                .orElseThrow(() -> new DDayHandler(ErrorStatus._NOT_USER_DDAY));
+
+        dayRepository.delete(dDay);
+
+        return CommonDTO.IsSuccessDTO.builder().isSuccess(true).build();
+    }
+
+    public CommonDTO.IsSuccessDTO editDDay (HttpServletRequest request,  DDayDTO.DDayEditRequestDto requestDto) {
+        User user = getUserFromRequest(request);
+
+        dayRepository.findById(requestDto.getId()).orElseThrow(() -> new DDayHandler(ErrorStatus._NOT_FOUND_DDAY));
+        DDay dDay = dayRepository.findByIdAndUser(requestDto.getId(), user)
+                .orElseThrow(() -> new DDayHandler(ErrorStatus._NOT_USER_DDAY));
+
+        dDay.setName(requestDto.getName());
+        dDay.setDay(requestDto.getDay());
+
+        dayRepository.save(dDay);
+
+        return CommonDTO.IsSuccessDTO.builder().isSuccess(true).build();
+    }
+}

src/main/java/com/example/be/web/controller/DDayController.java

@@ -0,0 +1,50 @@
+package com.example.be.web.controller;
+
+import com.example.be.apiPayload.ApiResponse;
+import com.example.be.service.DDayServiceImpl;
+import com.example.be.web.dto.CommentDTO;
+import com.example.be.web.dto.CommonDTO;
+import com.example.be.web.dto.DDayDTO;
+import io.swagger.v3.oas.annotations.Operation;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+import retrofit2.http.POST;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/day")
+@RequiredArgsConstructor
+public class DDayController {
+    private final DDayServiceImpl dayService;
+
+    @PostMapping("")
+    @Operation(summary = "디데이 추가 API", description = "디데이를 추가합니다.")
+    public ApiResponse<CommonDTO.IsSuccessDTO> createDDay(
+            HttpServletRequest request,
+            @RequestBody DDayDTO.DDayRequestDto requestDto) {
+        return ApiResponse.onSuccess(dayService.createDDay(request, requestDto));
+    }
+
+    @DeleteMapping("/{id}")
+    @Operation(summary = "디데이 삭제 API", description = "디데이를 삭제합니다.")
+    public ApiResponse<CommonDTO.IsSuccessDTO> deleteDDay(
+            HttpServletRequest request, @PathVariable Long id) {
+        return ApiResponse.onSuccess(dayService.deleteDDay(request, id));
+    }
+
+    @PostMapping("/{id}")
+    @Operation(summary = "디데이 수정 API", description = "디데이를 수정합니다.")
+    public ApiResponse<CommonDTO.IsSuccessDTO> editDDay(
+            HttpServletRequest request, @RequestBody DDayDTO.DDayEditRequestDto requestDto) {
+        return ApiResponse.onSuccess(dayService.editDDay(request, requestDto));
+    }
+
+    @GetMapping("")
+    @Operation(summary = "디데이 조회 API", description = "디데이를 조회합니다.")
+    public ApiResponse<List<DDayDTO.DDayResponseDto>> getDDay(
+            HttpServletRequest request) {
+        return ApiResponse.onSuccess(dayService.getDDays(request));
+    }
+}

src/main/java/com/example/be/web/dto/DDayDTO.java

@@ -0,0 +1,39 @@
+package com.example.be.web.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDate;
+
+public class DDayDTO {
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class DDayRequestDto {
+        private String name;
+        private LocalDate day;
+    }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class DDayResponseDto {
+        private Long id;
+        private String name;
+        private LocalDate day;
+    }
+
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class DDayEditRequestDto {
+        private Long id;
+        private String name;
+        private LocalDate day;
+    }
+}