fix: 면접 예약 API 예약자 명단 조회 API 추가

* fix: 면접 예약 API 면접 일정 조회시 status도 같이 반환

* fix: 면접 예약 API 예약자 명단 조회 API 추가

* fix: 면접 예약 API 예약되어있는 슬롯은 삭제하지 않는 기능 추가

Author: hodoon

src/main/java/dmu/dasom/api/domain/interview/dto/InterviewReservationApplicantResponseDto.java

@@ -0,0 +1,40 @@
+package dmu.dasom.api.domain.interview.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import lombok.*;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+@Schema(name = "InterviewReservationApplicantResponseDto", description = "면접 예약 지원자 응답 DTO")
+public class InterviewReservationApplicantResponseDto {
+
+    @NotNull(message = "지원자 ID는 필수 값입니다.")
+    @Schema(description = "지원자의 고유 ID", example = "1234")
+    private Long applicantId;
+
+    @NotNull(message = "이름은 필수 값입니다.")
+    @Schema(description = "지원자 이름", example = "홍길동")
+    private String applicantName;
+
+    @NotNull(message = "학번은 필수 값입니다.")
+    @Schema(description = "지원자 학번", example = "20210001")
+    private String studentNo;
+
+    @NotNull(message = "연락처는 필수 값입니다.")
+    @Schema(description = "지원자 연락처", example = "010-1234-5678")
+    private String contact;
+
+    @NotNull(message = "이메일은 필수 값입니다.")
+    @Schema(description = "지원자 이메일", example = "[email protected]")
+    private String email;
+
+    @Schema(description = "희망 활동", example = "프로젝트")
+    private String activityWish;
+
+    @Schema(description = "지원 동기", example = "동아리 활동을 통해 새로운 경험을 쌓고 싶어서 지원합니다.")
+    private String reasonForApply;
+}

src/main/java/dmu/dasom/api/domain/interview/service/InterviewService.java

@@ -1,5 +1,6 @@
 package dmu.dasom.api.domain.interview.service;
 
+import dmu.dasom.api.domain.interview.dto.InterviewReservationApplicantResponseDto;
 import dmu.dasom.api.domain.interview.dto.InterviewReservationRequestDto;
 import dmu.dasom.api.domain.interview.dto.InterviewSlotResponseDto;
 
@@ -24,4 +25,6 @@ public interface InterviewService {
 
     List<InterviewSlotResponseDto> getAllInterviewSlots();
 
+    List<InterviewReservationApplicantResponseDto> getAllInterviewApplicants();
+
 }

src/main/java/dmu/dasom/api/domain/interview/service/InterviewServiceImpl.java

@@ -4,6 +4,7 @@
 import dmu.dasom.api.domain.applicant.repository.ApplicantRepository;
 import dmu.dasom.api.domain.common.exception.CustomException;
 import dmu.dasom.api.domain.common.exception.ErrorCode;
+import dmu.dasom.api.domain.interview.dto.InterviewReservationApplicantResponseDto;
 import dmu.dasom.api.domain.interview.dto.InterviewReservationRequestDto;
 import dmu.dasom.api.domain.interview.dto.InterviewSlotResponseDto;
 import dmu.dasom.api.domain.interview.entity.InterviewReservation;
@@ -22,6 +23,7 @@
 import java.time.LocalTime;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
 @Service
@@ -37,10 +39,14 @@ public class InterviewServiceImpl implements InterviewService{
     @Override
     @Transactional
     public List<InterviewSlotResponseDto> createInterviewSlots(LocalDate newStartDate, LocalDate newEndDate, LocalTime newStartTime, LocalTime newEndTime) {
-        boolean slotsExist = interviewSlotRepository.existsAny();
+        List<InterviewSlot> existingSlots = interviewSlotRepository.findAll();
 
-        if(slotsExist){
-            interviewSlotRepository.deleteAll();
+        if(!existingSlots.isEmpty()){
+            List<InterviewSlot> slotsToDelete = existingSlots.stream()
+                    .filter(slot -> slot.getCurrentCandidates() == 0)
+                    .toList();
+
+            interviewSlotRepository.deleteAll(slotsToDelete);
         }
 
         List<InterviewSlotResponseDto> newSlots = new ArrayList<>();
@@ -142,4 +148,24 @@ public List<InterviewSlotResponseDto> getAllInterviewSlots() {
                 .toList();
     }
 
+    @Override
+    public List<InterviewReservationApplicantResponseDto> getAllInterviewApplicants() {
+        List<InterviewReservation> reservations = interviewReservationRepository.findAll();
+
+        return reservations.stream()
+                .map(reservation -> {
+                    Applicant applicant = reservation.getApplicant();
+                    return InterviewReservationApplicantResponseDto.builder()
+                            .applicantId(applicant.getId())
+                            .applicantName(applicant.getName())
+                            .studentNo(applicant.getStudentNo())
+                            .contact(applicant.getContact())
+                            .email(applicant.getEmail())
+                            .activityWish(applicant.getActivityWish())
+                            .reasonForApply(applicant.getReasonForApply())
+                            .build();
+                })
+                .collect(Collectors.toList());
+    }
+
 }

src/main/java/dmu/dasom/api/domain/recruit/controller/RecruitController.java

@@ -3,10 +3,7 @@
 import dmu.dasom.api.domain.applicant.dto.ApplicantCreateRequestDto;
 import dmu.dasom.api.domain.applicant.service.ApplicantService;
 import dmu.dasom.api.domain.common.exception.ErrorResponse;
-import dmu.dasom.api.domain.interview.dto.InterviewReservationRequestDto;
-import dmu.dasom.api.domain.interview.dto.InterviewSlotCreateRequestDto;
-import dmu.dasom.api.domain.interview.dto.InterviewSlotRequestDto;
-import dmu.dasom.api.domain.interview.dto.InterviewSlotResponseDto;
+import dmu.dasom.api.domain.interview.dto.*;
 import dmu.dasom.api.domain.interview.service.InterviewService;
 import dmu.dasom.api.domain.recruit.dto.ResultCheckRequestDto;
 import dmu.dasom.api.domain.recruit.dto.ResultCheckResponseDto;
@@ -128,4 +125,10 @@ public ResponseEntity<List<InterviewSlotResponseDto>> getAllInterviewSlots() {
         return ResponseEntity.ok(allSlots);
     }
 
+    @GetMapping("/interview/applicants")
+    public ResponseEntity<List<InterviewReservationApplicantResponseDto>> getAllInterviewApplicants() {
+        List<InterviewReservationApplicantResponseDto> applicants = interviewService.getAllInterviewApplicants();
+        return ResponseEntity.ok(applicants);
+    }
+
 }