Merge pull request #63 from shim-pyoo/feat/#59-getHospitalVisitTimeLeft

✨ FEAT. 병원 방문까지 남은 시간 조회 기능 구현

src/main/java/com/hsu/shimpyoo/domain/hospital/repository/HospitalVisitRepository.java

@@ -5,9 +5,16 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Optional;
 
 @Repository
 public interface HospitalVisitRepository extends JpaRepository<HospitalVisit, Long> {
     List<HospitalVisit> findByUserId(User userId);
+
+
+    // 사용자 ID로 미래의 방문 일정을 조회하고, 방문 시간을 오름차순으로 정렬하여 가장 빠른 일정 반환
+    Optional<HospitalVisit> findFirstByUserIdAndVisitTimeAfterOrderByVisitTimeAsc(User userId, LocalDateTime now);
+
 }

src/main/java/com/hsu/shimpyoo/domain/hospital/service/HospitalService.java

@@ -10,4 +10,5 @@ public interface HospitalService {
     ResponseEntity<CustomAPIResponse<?>> setVisitHospital(HospitalVisitSetRequestDto hospitalVisitSetRequestDto);
     ResponseEntity<CustomAPIResponse<?>> getAllHospitalVisit();
     ResponseEntity<CustomAPIResponse<?>> getOneHospitalVisit(Long hospitalVisitId);
+    ResponseEntity<CustomAPIResponse<?>> getTimeLeftHospitalVisit();
 }

src/main/java/com/hsu/shimpyoo/domain/hospital/service/HospitalServiceImpl.java

@@ -4,10 +4,7 @@
 import com.hsu.shimpyoo.domain.hospital.entity.HospitalVisit;
 import com.hsu.shimpyoo.domain.hospital.repository.HospitalRepository;
 import com.hsu.shimpyoo.domain.hospital.repository.HospitalVisitRepository;
-import com.hsu.shimpyoo.domain.hospital.web.dto.HospitalSearchRequestDto;
-import com.hsu.shimpyoo.domain.hospital.web.dto.HospitalSearchResponseDto;
-import com.hsu.shimpyoo.domain.hospital.web.dto.HospitalVisitDto;
-import com.hsu.shimpyoo.domain.hospital.web.dto.HospitalVisitSetRequestDto;
+import com.hsu.shimpyoo.domain.hospital.web.dto.*;
 import com.hsu.shimpyoo.domain.user.entity.User;
 import com.hsu.shimpyoo.domain.user.repository.UserRepository;
 import com.hsu.shimpyoo.global.response.CustomAPIResponse;
@@ -20,6 +17,8 @@
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.server.ResponseStatusException;
 
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -138,5 +137,46 @@ public ResponseEntity<CustomAPIResponse<?>> getOneHospitalVisit(Long hospitalVis
         return ResponseEntity.status(HttpStatus.OK).body(res);
     }
 
+    @Override
+    public ResponseEntity<CustomAPIResponse<?>> getTimeLeftHospitalVisit() {
+        // 사용자 존재 확인
+        Optional<User> isExistUser=userRepository.findByLoginId(SecurityContextHolder.getContext().getAuthentication().getName());
+        if(isExistUser.isEmpty()){
+            throw new ResponseStatusException(HttpStatus.NOT_FOUND,"존재하지 않는 사용자입니다.");
+        }
+
+        LocalDateTime now = LocalDateTime.now();  // 현재 시간
+
+        // 현재보다 미래인 일정 중에서 가장 빠른 방문 일정을 찾음
+        Optional<HospitalVisit> firstHospitalVisit =
+                hospitalVisitRepository.findFirstByUserIdAndVisitTimeAfterOrderByVisitTimeAsc(isExistUser.get(), now);
+
+        // 방문 일정이 없다면, 그에 맞는 응답을 반환
+        if(firstHospitalVisit.isEmpty()){
+            CustomAPIResponse<Object> res=CustomAPIResponse.createSuccess(200, null, "설정한 병원 방문 일정이 없습니다.");
+            return ResponseEntity.status(HttpStatus.OK).body(res);
+        }
+
+        // 가장 빠른 방문 시간
+        LocalDateTime firstVisitTime=firstHospitalVisit.get().getVisitTime();
+
+        int leftDay = (int) ChronoUnit.DAYS.between(now, firstVisitTime);
+        int leftHour = (int) (ChronoUnit.HOURS.between(now, firstVisitTime) % 24);
+        int leftMinute = (int) (ChronoUnit.MINUTES.between(now, firstVisitTime) % 60);
+
+
+        HospitalVisitTimeLeftDto hospitalVisitTimeLeftDto=HospitalVisitTimeLeftDto.builder()
+                .day(leftDay)
+                .hour(leftHour)
+                .minute(leftMinute)
+                .build();
+
+
+        CustomAPIResponse<Object> res=CustomAPIResponse.createSuccess(200, hospitalVisitTimeLeftDto,
+                "병원 방문까지 남은 시간이 조회되었습니다.");
+        return ResponseEntity.status(HttpStatus.OK).body(res);
+
+    }
+
 
 }

src/main/java/com/hsu/shimpyoo/domain/hospital/web/controller/HospitalController.java

@@ -52,4 +52,10 @@ public ResponseEntity<CustomAPIResponse<?>> getOneHospitalVisit(@RequestParam Lo
         ResponseEntity<CustomAPIResponse<?>> result=hospitalService.getOneHospitalVisit(hospitalVisitId);
         return result;
     }
+
+    @GetMapping("/getTimeLeft")
+    public ResponseEntity<CustomAPIResponse<?>> getTimeLeft(){
+        ResponseEntity<CustomAPIResponse<?>> result=hospitalService.getTimeLeftHospitalVisit();
+        return result;
+    }
 }

src/main/java/com/hsu/shimpyoo/domain/hospital/web/dto/HospitalVisitTimeLeftDto.java

@@ -0,0 +1,20 @@
+package com.hsu.shimpyoo.domain.hospital.web.dto;
+
+import lombok.*;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class HospitalVisitTimeLeftDto {
+    // 며칠 남았는지
+    private int day;
+
+    // 몇시간 남았는지
+    private int hour;
+
+    // 몇분 남았는지
+    private int minute;
+
+}