✨Feature/#24: 4.3 온기 간단 정보 조회 API 구현

http/onjung/OnjungControllerHttpRequest.http

@@ -8,3 +8,7 @@ Authorization: Bearer {{access_token}}
 GET {{host_url}}/api/v1/onjungs/count
 Authorization: Bearer {{access_token}}
 
+### 4.3 온기 간단 정보 조회
+// @no-log
+GET {{host_url}}/api/v1/onjungs/briefs
+Authorization: Bearer {{access_token}}

src/main/java/com/daon/onjung/onjung/application/controller/query/OnjungQueryV1Controller.java

@@ -2,8 +2,10 @@
 
 import com.daon.onjung.core.annotation.security.AccountID;
 import com.daon.onjung.core.dto.ResponseDto;
+import com.daon.onjung.onjung.application.dto.response.ReadOnjungBriefResponseDto;
 import com.daon.onjung.onjung.application.dto.response.ReadOnjungCountResponseDto;
 import com.daon.onjung.onjung.application.dto.response.ReadOnjungSummaryResponseDto;
+import com.daon.onjung.onjung.application.usecase.ReadOnjungBriefUseCase;
 import com.daon.onjung.onjung.application.usecase.ReadOnjungCountUseCase;
 import com.daon.onjung.onjung.application.usecase.ReadOnjungSummaryUseCase;
 import lombok.RequiredArgsConstructor;
@@ -18,6 +20,7 @@ public class OnjungQueryV1Controller {
 
     private final ReadOnjungSummaryUseCase readOnjungSummaryUseCase;
     private final ReadOnjungCountUseCase readOnjungCountUseCase;
+    private final ReadOnjungBriefUseCase readOnjungBriefUseCase;
 
     /**
      * 4.1 전체 온기 통계 조회하기
@@ -36,4 +39,14 @@ public ResponseDto<ReadOnjungCountResponseDto> readOnjungCount(
     ) {
         return ResponseDto.ok(readOnjungCountUseCase.execute(accountId));
     }
+
+    /**
+     * 4.3 온기 간단 정보 조회
+     */
+    @GetMapping("/api/v1/onjungs/briefs")
+    public ResponseDto<ReadOnjungBriefResponseDto> readOnjungBrief(
+            @AccountID UUID accountId
+    ) {
+        return ResponseDto.ok(readOnjungBriefUseCase.execute(accountId));
+    }
 }

src/main/java/com/daon/onjung/onjung/application/dto/response/ReadOnjungBriefResponseDto.java

@@ -0,0 +1,24 @@
+package com.daon.onjung.onjung.application.dto.response;
+
+import com.daon.onjung.core.dto.SelfValidating;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+public class ReadOnjungBriefResponseDto extends SelfValidating<ReadOnjungBriefResponseDto> {
+
+    @JsonProperty("total_onjung_count")
+    private final Integer totalOnjungCount;
+
+    @JsonProperty("total_onjung_amount")
+    private final Integer totalOnjungAmount;
+
+    @Builder
+    public ReadOnjungBriefResponseDto(Integer totalOnjungCount, Integer totalOnjungAmount) {
+        this.totalOnjungCount = totalOnjungCount;
+        this.totalOnjungAmount = totalOnjungAmount;
+
+        this.validateSelf();
+    }
+}

src/main/java/com/daon/onjung/onjung/application/dto/response/ReadOnjungCountResponseDto.java

@@ -3,7 +3,9 @@
 import com.daon.onjung.core.dto.SelfValidating;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Builder;
+import lombok.Getter;
 
+@Getter
 public class ReadOnjungCountResponseDto extends SelfValidating<ReadOnjungCountResponseDto> {
 
     @JsonProperty("total_onjung_count")

src/main/java/com/daon/onjung/onjung/application/service/ReadOnjungBriefService.java

@@ -0,0 +1,67 @@
+package com.daon.onjung.onjung.application.service;
+
+import com.daon.onjung.account.domain.User;
+import com.daon.onjung.account.repository.mysql.UserRepository;
+import com.daon.onjung.core.exception.error.ErrorCode;
+import com.daon.onjung.core.exception.type.CommonException;
+import com.daon.onjung.onjung.application.dto.response.ReadOnjungBriefResponseDto;
+import com.daon.onjung.onjung.application.usecase.ReadOnjungBriefUseCase;
+import com.daon.onjung.onjung.domain.Donation;
+import com.daon.onjung.onjung.domain.Onjung;
+import com.daon.onjung.onjung.domain.Receipt;
+import com.daon.onjung.onjung.domain.Share;
+import com.daon.onjung.onjung.domain.service.OnjungService;
+import com.daon.onjung.onjung.repository.mysql.DonationRepository;
+import com.daon.onjung.onjung.repository.mysql.ReceiptRepository;
+import com.daon.onjung.onjung.repository.mysql.ShareRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.UUID;
+
+@Service
+@RequiredArgsConstructor
+public class ReadOnjungBriefService implements ReadOnjungBriefUseCase {
+
+    private final UserRepository userRepository;
+    private final DonationRepository donationRepository;
+    private final ReceiptRepository receiptRepository;
+    private final ShareRepository shareRepository;
+
+    private final OnjungService onjungService;
+
+    @Override
+    @Transactional(readOnly = true)
+    public ReadOnjungBriefResponseDto execute(UUID accountId) {
+
+        // 유저 조회
+        User user = userRepository.findById(accountId)
+                .orElseThrow(() -> new CommonException(ErrorCode.NOT_FOUND_RESOURCE));
+
+        // 유저의 기부 내역 전체 조회
+        List<Donation> donations = donationRepository.findAllByUser(user);
+
+        // 유저의 영수증 인증 내역 전체 조회
+        List<Receipt> receipts = receiptRepository.findAllByUser(user);
+
+        // 유저의 공유 내역 전체 조회
+        List<Share> shares = shareRepository.findAllByUser(user);
+
+        // 온정 생성
+        Onjung onjung = onjungService.createOnjung(donations, receipts, shares);
+
+        // 온정 총 개수 계산
+        Integer totalOnjungCount = onjungService.calculateTotalOnjungCount(onjung);
+
+        // 온정 총 금액 계산
+        Integer totalOnjungAmount = onjungService.calculateTotalOnjungAmount(onjung);
+
+        return ReadOnjungBriefResponseDto.builder()
+                .totalOnjungCount(totalOnjungCount)
+                .totalOnjungAmount(totalOnjungAmount)
+                .build();
+    }
+
+}

src/main/java/com/daon/onjung/onjung/application/usecase/ReadOnjungBriefUseCase.java

@@ -0,0 +1,11 @@
+package com.daon.onjung.onjung.application.usecase;
+
+import com.daon.onjung.core.annotation.bean.UseCase;
+import com.daon.onjung.onjung.application.dto.response.ReadOnjungBriefResponseDto;
+
+import java.util.UUID;
+
+@UseCase
+public interface ReadOnjungBriefUseCase {
+    ReadOnjungBriefResponseDto execute(UUID accountId);
+}

src/main/java/com/daon/onjung/onjung/domain/service/OnjungService.java

@@ -49,4 +49,14 @@ public Integer calculateTotalUniqueOnjungUserCount(Onjung onjung) {
 
         return uniqueUsers.size();
     }
+
+    public Integer calculateTotalOnjungAmount(Onjung onjung) {
+        return onjung.getDonations().stream()
+                .map(Donation::getDonationAmount)
+                .reduce(0, Integer::sum) +
+                onjung.getReceipts().stream()
+                        .map(Receipt::getPaymentAmount)
+                        .reduce(0, Integer::sum) +
+                onjung.getShares().size() * 100;
+    }
 }