[Backen : feat ] 영수증용 스케줄 목록 조회 API 구현

backend/src/main/java/com/isp/backend/domain/receipt/controller/ReceiptController.java

@@ -3,12 +3,15 @@
 import com.isp.backend.domain.receipt.dto.request.ChangeReceiptOrderRequest;
 import com.isp.backend.domain.receipt.dto.request.SaveReceiptRequest;
 import com.isp.backend.domain.receipt.dto.response.ReceiptResponse;
+import com.isp.backend.domain.receipt.dto.response.ScheduleListWithReceiptResponse;
 import com.isp.backend.domain.receipt.dto.response.ScheduleReceiptResponse;
 import com.isp.backend.domain.receipt.entity.Receipt;
 import com.isp.backend.domain.receipt.service.ReceiptService;
+import com.isp.backend.global.security.CustomUserDetails;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -65,6 +68,15 @@ public ResponseEntity<ReceiptResponse> getReceiptDetail(@PathVariable Long recei
     }
 
 
+    /** 영수증용 일정 리스트 목록 조회 API **/
+    @GetMapping("/schedules/list")
+    public ResponseEntity<List<ScheduleListWithReceiptResponse>> getScheduleListWithReceipt(@AuthenticationPrincipal CustomUserDetails userDetails) {
+        String memberUid = userDetails.getUsername();
+        List<ScheduleListWithReceiptResponse> scheduleListWithReceipts = receiptService.getScheduleListWithReceipt(memberUid);
+        return ResponseEntity.ok(scheduleListWithReceipts);
+    }
+
+
 
     /** 영수증 순서 변경 API **/
     @PutMapping("/order/{scheduleId}")

backend/src/main/java/com/isp/backend/domain/receipt/dto/response/ReceiptListResponse.java

@@ -17,7 +17,7 @@ public class ReceiptListResponse {
 
     private String storeType ;
 
-    private double price ; // receipt 테이블의 totalPrice
+    private double price ;
 
     private int orderNum ;
 

backend/src/main/java/com/isp/backend/domain/receipt/dto/response/ScheduleListWithReceiptResponse.java

@@ -0,0 +1,26 @@
+package com.isp.backend.domain.receipt.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+public class ScheduleListWithReceiptResponse {
+
+    private String scheduleName;
+
+    private String startDate;
+
+    private String endDate;
+
+    private String currencyName;
+
+    private double totalReceiptsPrice ;
+
+    private int receiptCount ;
+
+}

backend/src/main/java/com/isp/backend/domain/receipt/mapper/ReceiptMapper.java

@@ -5,6 +5,7 @@
 import com.isp.backend.domain.receipt.dto.response.ReceiptDetailResponse;
 import com.isp.backend.domain.receipt.dto.response.ReceiptListResponse;
 import com.isp.backend.domain.receipt.dto.response.ReceiptResponse;
+import com.isp.backend.domain.receipt.dto.response.ScheduleListWithReceiptResponse;
 import com.isp.backend.domain.receipt.entity.Receipt;
 import com.isp.backend.domain.receipt.entity.ReceiptDetail;
 import com.isp.backend.domain.receipt.entity.StoreType;
@@ -86,6 +87,21 @@ public ReceiptDetailResponse toReceiptDetailResponse(ReceiptDetail receiptDetail
     }
 
 
+    // 영수증 용 일정 리스트 목록 조회
+    public ScheduleListWithReceiptResponse toScheduleListWithReceiptResponse(Schedule schedule, double totalReceiptsPrice, int receiptCount) {
+        String currencyName = schedule.getCountry().getCurrencyName();
+
+        return new ScheduleListWithReceiptResponse(
+                schedule.getScheduleName(),
+                schedule.getStartDate(),
+                schedule.getEndDate(),
+                currencyName,
+                totalReceiptsPrice,
+                receiptCount
+        );
+    }
+
+
 
 }
 

backend/src/main/java/com/isp/backend/domain/receipt/repository/ReceiptRepository.java

@@ -17,4 +17,13 @@ public interface ReceiptRepository extends JpaRepository<Receipt, Long> {
 
     List<Receipt> findByScheduleId(Long scheduleId);
 
+    // 스케줄 ID에 해당하는 영수증의 totalPrice 합계를 구하는 쿼리
+    @Query("SELECT SUM(r.totalPrice) FROM Receipt r WHERE r.schedule.id = :scheduleId")
+    Double sumTotalPriceByScheduleId(@Param("scheduleId") Long scheduleId);
+
+    // 스케줄 ID에 해당하는 영수증의 개수를 구하는 쿼리
+    @Query("SELECT COUNT(r) FROM Receipt r WHERE r.schedule.id = :scheduleId")
+    int countByScheduleId(@Param("scheduleId") Long scheduleId);
+
+
 }

backend/src/main/java/com/isp/backend/domain/receipt/service/ReceiptService.java

@@ -1,12 +1,11 @@
 package com.isp.backend.domain.receipt.service;
 
+import com.isp.backend.domain.member.entity.Member;
+import com.isp.backend.domain.member.repository.MemberRepository;
 import com.isp.backend.domain.receipt.dto.request.ChangeReceiptOrderRequest;
 import com.isp.backend.domain.receipt.dto.request.ReceiptDetailRequest;
 import com.isp.backend.domain.receipt.dto.request.SaveReceiptRequest;
-import com.isp.backend.domain.receipt.dto.response.ReceiptDetailResponse;
-import com.isp.backend.domain.receipt.dto.response.ReceiptListResponse;
-import com.isp.backend.domain.receipt.dto.response.ReceiptResponse;
-import com.isp.backend.domain.receipt.dto.response.ScheduleReceiptResponse;
+import com.isp.backend.domain.receipt.dto.response.*;
 import com.isp.backend.domain.receipt.entity.Receipt;
 import com.isp.backend.domain.receipt.entity.ReceiptDetail;
 import com.isp.backend.domain.receipt.mapper.ReceiptMapper;
@@ -15,6 +14,7 @@
 import com.isp.backend.domain.schedule.entity.Schedule;
 import com.isp.backend.domain.schedule.repository.ScheduleRepository;
 import com.isp.backend.global.exception.Image.ImageAlreadyExistingException;
+import com.isp.backend.global.exception.common.MemberNotFoundException;
 import com.isp.backend.global.exception.receipt.ReceiptNotFoundException;
 import com.isp.backend.global.exception.schedule.ScheduleNotFoundException;
 import com.isp.backend.global.s3.constant.S3BucketDirectory;
@@ -24,10 +24,7 @@
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.stream.Collectors;
 
 
@@ -36,6 +33,7 @@
 public class ReceiptService {
     private final ReceiptRepository receiptRepository;
     private final ReceiptDetailRepository receiptDetailRepository;
+    private final MemberRepository memberRepository;
     private final ScheduleRepository scheduleRepository;
     private final ReceiptMapper receiptMapper;
     private final S3ImageService s3ImageService;
@@ -173,6 +171,31 @@ public ReceiptResponse getReceiptDetail(Long receiptId) {
 
 
 
+    /** 영수증용 일정 리스트 목록 조회 API **/
+    @Transactional(readOnly = true)
+    public List<ScheduleListWithReceiptResponse> getScheduleListWithReceipt(String uid) {
+        // 유저 정보 확인
+        Member findMember = validateUserCheck(uid);
+
+        // 해당 유저의 모든 일정 불러오기
+        List<Schedule> scheduleList = scheduleRepository.findSchedulesByMember(findMember);
+
+        // 일정 리스트를 DTO로 변환
+        return scheduleList.stream()
+                .map(schedule -> {
+                    // sumTotalPriceByScheduleId가 null을 반환하면 0.0을 기본값으로 설정
+                    double totalReceiptsPrice = Optional.ofNullable(receiptRepository.sumTotalPriceByScheduleId(schedule.getId()))
+                            .orElse(0.0);
+                    int receiptCount = receiptRepository.countByScheduleId(schedule.getId());
+                    return receiptMapper.toScheduleListWithReceiptResponse(schedule, totalReceiptsPrice, receiptCount);
+                })
+                .collect(Collectors.toList());
+
+    }
+
+
+
+
     // 영수증 순서 변경 메서드 수정 예정
     /** 예외처리 및 정확한 로직 분석 필요 **/
     @Transactional
@@ -212,6 +235,15 @@ public void changeOrderReceipt(Long scheduleId, List<ChangeReceiptOrderRequest>
     }
 
 
+
+    /** 유효한 유저 정보 확인 **/
+    private Member validateUserCheck(String uid) {
+        return memberRepository.findByUid(uid)
+                .orElseThrow(MemberNotFoundException::new);
+    }
+
+
+
     /** 유효한 일정 확인 메소드 **/
     private Schedule validateSchedule(Long scheduleId) {
         Schedule findSchedule = scheduleRepository.findByIdAndActivatedIsTrue(scheduleId)