✨Feature/#24: 4.2 후원 횟수 조회 API 구현

http/onjung/OnjungControllerHttpRequest.http

@@ -1,4 +1,10 @@
 ### 4.1 전체 온기 통계 조회
 // @no-log
-GET {{host_url}}/api/v1/onjung/summaries
-Authorization: Bearer {{access_token}}
+GET {{host_url}}/api/v1/onjungs/summaries
+Authorization: Bearer {{access_token}}
+
+### 4.2 후원 횟수 조회
+// @no-log
+GET {{host_url}}/api/v1/onjungs/count
+Authorization: Bearer {{access_token}}
+

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

@@ -1,22 +1,39 @@
 package com.daon.onjung.onjung.application.controller.query;
 
+import com.daon.onjung.core.annotation.security.AccountID;
 import com.daon.onjung.core.dto.ResponseDto;
+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.ReadOnjungCountUseCase;
 import com.daon.onjung.onjung.application.usecase.ReadOnjungSummaryUseCase;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.UUID;
+
 @RestController
 @RequiredArgsConstructor
 public class OnjungQueryV1Controller {
+
     private final ReadOnjungSummaryUseCase readOnjungSummaryUseCase;
+    private final ReadOnjungCountUseCase readOnjungCountUseCase;
 
     /**
      * 4.1 전체 온기 통계 조회하기
      */
-    @GetMapping("/api/v1/onjung/summaries")
+    @GetMapping("/api/v1/onjungs/summaries")
     public ResponseDto<ReadOnjungSummaryResponseDto> readOnjungSummary() {
         return ResponseDto.ok(readOnjungSummaryUseCase.execute());
     }
+
+    /**
+     * 4.2 후원 횟수 조회하기
+     */
+    @GetMapping("/api/v1/onjungs/count")
+    public ResponseDto<ReadOnjungCountResponseDto> readOnjungCount(
+            @AccountID UUID accountId
+    ) {
+        return ResponseDto.ok(readOnjungCountUseCase.execute(accountId));
+    }
 }

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

@@ -0,0 +1,17 @@
+package com.daon.onjung.onjung.application.dto.response;
+
+import com.daon.onjung.core.dto.SelfValidating;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+
+public class ReadOnjungCountResponseDto extends SelfValidating<ReadOnjungCountResponseDto> {
+
+    @JsonProperty("total_onjung_count")
+    private final Integer totalOnjungCount;
+
+    @Builder
+    public ReadOnjungCountResponseDto(Integer totalOnjungCount) {
+        this.totalOnjungCount = totalOnjungCount;
+        this.validateSelf();
+    }
+}

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

@@ -0,0 +1,64 @@
+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.ReadOnjungCountResponseDto;
+import com.daon.onjung.onjung.application.usecase.ReadOnjungCountUseCase;
+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 ReadOnjungCountService implements ReadOnjungCountUseCase {
+
+    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 ReadOnjungCountResponseDto execute(
+            UUID accountId
+    ) {
+
+        // User 조회
+        User user = userRepository.findById(accountId)
+                .orElseThrow(() -> new CommonException(ErrorCode.NOT_FOUND_RESOURCE));
+
+        // User의 모든 동참 내역 조회
+        List<Donation> donations = donationRepository.findAllByUser(user);
+
+        // User의 모든 영수증 인증 내역 조회
+        List<Receipt> receipts = receiptRepository.findAllByUser(user);
+
+        // User의 모든 공유 내역 조회
+        List<Share> shares = shareRepository.findAllByUser(user);
+
+        // Onjung 생성
+        Onjung onjung = onjungService.createOnjung(donations, receipts, shares);
+
+        // User의 총 온정 횟수 조회
+        Integer totalOnjungCount = onjungService.calculateTotalOnjungCount(onjung);
+
+        return ReadOnjungCountResponseDto.builder()
+                .totalOnjungCount(totalOnjungCount)
+                .build();
+    }
+}

src/main/java/com/daon/onjung/onjung/application/usecase/ReadOnjungCountUseCase.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.ReadOnjungCountResponseDto;
+
+import java.util.UUID;
+
+@UseCase
+public interface ReadOnjungCountUseCase {
+    ReadOnjungCountResponseDto execute(UUID accountId);
+}

src/main/java/com/daon/onjung/onjung/repository/mysql/DonationRepository.java

@@ -1,7 +1,12 @@
 package com.daon.onjung.onjung.repository.mysql;
 
+import com.daon.onjung.account.domain.User;
 import com.daon.onjung.onjung.domain.Donation;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface DonationRepository extends JpaRepository <Donation, Long> {
+
+    List<Donation> findAllByUser(User user);
 }

src/main/java/com/daon/onjung/onjung/repository/mysql/ReceiptRepository.java

@@ -1,7 +1,12 @@
 package com.daon.onjung.onjung.repository.mysql;
 
+import com.daon.onjung.account.domain.User;
 import com.daon.onjung.onjung.domain.Receipt;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface ReceiptRepository extends JpaRepository <Receipt, Long> {
+
+    List<Receipt> findAllByUser(User user);
 }

src/main/java/com/daon/onjung/onjung/repository/mysql/ShareRepository.java

@@ -1,7 +1,12 @@
 package com.daon.onjung.onjung.repository.mysql;
 
+import com.daon.onjung.account.domain.User;
 import com.daon.onjung.onjung.domain.Share;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface ShareRepository extends JpaRepository <Share, Long> {
+
+    List<Share> findAllByUser(User user);
 }