feat: 일정 기간이 남은 지원 현황을 조회하여 반환하는 기능 구현

src/main/java/cotato/growingpain/log/controller/JobPostController.java

@@ -4,6 +4,7 @@
 import cotato.growingpain.log.domain.entity.JobPost;
 import cotato.growingpain.log.dto.request.JobPostRequestDTO;
 import cotato.growingpain.log.dto.request.JobPostRetrieveDTO;
+import cotato.growingpain.log.dto.response.JobApplicationListResponse;
 import cotato.growingpain.log.dto.retrieve.JobPostListRetrieveDTO;
 import cotato.growingpain.log.service.JobService;
 import io.swagger.v3.oas.annotations.Operation;
@@ -89,4 +90,13 @@ public Response<JobPost> updateJobPost(
         return Response.createSuccess("지원 현황 삭제 완료", null);
     }
 
+    @Operation(summary = "일정 기간이 남은 지원 현황 조회", description = "일정 기간이 남은 지원 현황을 조회하여 반환하는 메소드")
+    @ApiResponse(content = @Content(schema = @Schema(implementation = JobApplicationListResponse.class)))
+    @GetMapping("/days-left/{days}")
+    @ResponseStatus(HttpStatus.OK)
+    public Response<JobApplicationListResponse> getJobApplicationsByDaysLeft( @AuthenticationPrincipal Long memberId,
+                                                                              @PathVariable int days) {
+        JobApplicationListResponse jobApplications = jobService.getJobApplicationsByDaysLeft(memberId, days);
+        return Response.createSuccess(days + "일 남은 지원 현황 조회 완료", jobApplications);
+    }
 }

src/main/java/cotato/growingpain/log/dto/response/JobApplicationListResponse.java

@@ -0,0 +1,8 @@
+package cotato.growingpain.log.dto.response;
+
+import java.util.List;
+
+public record JobApplicationListResponse(
+        List<JobApplicationResponse> jobApplicaionList
+) {
+}

src/main/java/cotato/growingpain/log/dto/response/JobApplicationResponse.java

@@ -0,0 +1,22 @@
+package cotato.growingpain.log.dto.response;
+
+import cotato.growingpain.log.domain.entity.JobApplication;
+
+public record JobApplicationResponse(
+
+        Long jobPostId,
+        Long jobApplicationId,
+        String companyName,
+        String applicationType,
+        String applicationCloseDate
+) {
+    public JobApplicationResponse(JobApplication jobApplication) {
+        this(
+                jobApplication.getJobPost().getId(),
+                jobApplication.getId(),
+                jobApplication.getJobPost().getCompanyName(),
+                jobApplication.getApplicationType().name(),
+                jobApplication.getApplicationCloseDate()
+        );
+    }
+}

src/main/java/cotato/growingpain/log/repository/JobApplicationRepository.java

@@ -6,4 +6,5 @@
 
 public interface JobApplicationRepository extends JpaRepository<JobApplication, Long> {
     List<JobApplication> findByJobPostId(Long jobPostId);
+    List<JobApplication> findByMemberIdAndApplicationCloseDate(Long memberId, String applicationCloseDate);
 }

src/main/java/cotato/growingpain/log/service/JobService.java

@@ -4,12 +4,16 @@
 import cotato.growingpain.log.domain.entity.JobPost;
 import cotato.growingpain.log.dto.request.JobPostRequestDTO;
 import cotato.growingpain.log.dto.request.JobPostRetrieveDTO;
+import cotato.growingpain.log.dto.response.JobApplicationListResponse;
+import cotato.growingpain.log.dto.response.JobApplicationResponse;
 import cotato.growingpain.log.dto.retrieve.JobPostListRetrieveDTO;
 import cotato.growingpain.log.repository.ApplicationDetailRepository;
 import cotato.growingpain.log.repository.JobApplicationRepository;
 import cotato.growingpain.log.repository.JobPostRepository;
 import cotato.growingpain.member.domain.entity.Member;
 import cotato.growingpain.member.repository.MemberRepository;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
@@ -88,4 +92,18 @@ public void deleteJobPost(Long jobPostId, Long memberId) {
         jobPostRepository.delete(jobPost);
     }
 
+    public JobApplicationListResponse getJobApplicationsByDaysLeft(Long memberId, int daysLeft) {
+        // 현재 날짜에서 daysLeft를 더한 날짜 계산
+        LocalDate targetDate = LocalDate.now().plusDays(daysLeft);
+        String formattedDate = targetDate.format(DateTimeFormatter.ISO_DATE);
+
+        // 해당 날짜에 해당하는 JobApplication을 조회
+        List<JobApplicationResponse> applications = jobApplicationRepository.findByMemberIdAndApplicationCloseDate(memberId, formattedDate)
+                .stream()
+                .map(JobApplicationResponse::new)  // 매핑 로직 간소화
+                .collect(Collectors.toList());
+
+        // JobApplicationListResponse로 반환
+        return new JobApplicationListResponse(applications);
+    }
 }