Merge pull request #57 from SWM-WeLike2Coding/feat/holdingProduct

feat: 보유 상품 리스트 조회를 위한 필요한 기능 추가

src/main/java/com/wl2c/elswhereproductservice/domain/product/controller/ProductController.java

@@ -1,6 +1,7 @@
 package com.wl2c.elswhereproductservice.domain.product.controller;
 
 import com.wl2c.elswhereproductservice.domain.product.model.dto.list.SummarizedProductDto;
+import com.wl2c.elswhereproductservice.domain.product.model.dto.list.SummarizedProductForHoldingDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.request.RequestProductIdListDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.request.RequestProductSearchDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.response.ResponseMaturityRepaymentEvaluationDateDto;
@@ -86,6 +87,20 @@ public List<SummarizedProductDto> listByProductIds(@Valid @RequestBody RequestPr
         return productService.listByProductIds(requestProductIdListDto.getProductIdList());
     }
 
+    /**
+     * 여러 상품 id로 보유 상품에서 사용하기 위한 해당 상품 리스트 조회
+     * <p>
+     *     참고 : user-service와 product-service 통신 간에 사용하고자 만든 API 입니다.
+     * </p>
+     *
+     * @param requestProductIdListDto 조회하고자 하는 상품 id 리스트
+     * @return 보유 상품에서 사용하기 위한 정보를 담은 상품 리스트
+     */
+    @PostMapping("/holding/list")
+    public List<SummarizedProductForHoldingDto> holdingListByProductIds(@Valid @RequestBody RequestProductIdListDto requestProductIdListDto) {
+        return productService.holdingListByProductIds(requestProductIdListDto.getProductIdList());
+    }
+
     /**
      * 상품 단건 조회
      * <p>

src/main/java/com/wl2c/elswhereproductservice/domain/product/model/dto/list/SummarizedProductForHoldingDto.java

@@ -0,0 +1,45 @@
+package com.wl2c.elswhereproductservice.domain.product.model.dto.list;
+
+import com.querydsl.core.annotations.QueryProjection;
+import com.wl2c.elswhereproductservice.domain.product.model.ProductType;
+import com.wl2c.elswhereproductservice.domain.product.model.entity.Product;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Getter;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+@Getter
+public class SummarizedProductForHoldingDto {
+    @Schema(description = "상품 id", example = "1")
+    private final Long id;
+
+    @Schema(description = "발행 회사", example = "oo투자증권")
+    private final String issuer;
+
+    @Schema(description = "상품명", example = "oo투자증권 99999")
+    private final String name;
+
+    @Schema(description = "상품 유형", example = "STEP_DOWN or LIZARD or MONTHLY_PAYMENT or ETC")
+    private final ProductType productType;
+
+    @Schema(description = "기초자산", example = "KOSPI200 Index / HSCEI Index / S&P500 Index")
+    private final String equities;
+
+    @Schema(description = "수익률", example = "20.55")
+    private final BigDecimal yieldIfConditionsMet;
+
+    @Schema(description = "다음 상환평가일", example = "2027-01-13")
+    private final LocalDate nextRepaymentEvaluationDate;
+
+    public SummarizedProductForHoldingDto(Product product,
+                                          LocalDate nextRepaymentEvaluationDate) {
+        this.id = product.getId();
+        this.issuer = product.getIssuer();
+        this.name = product.getName();
+        this.productType = product.getType();
+        this.equities = product.getEquities();
+        this.yieldIfConditionsMet = product.getYieldIfConditionsMet();
+        this.nextRepaymentEvaluationDate = nextRepaymentEvaluationDate;
+    }
+}

src/main/java/com/wl2c/elswhereproductservice/domain/product/service/ProductService.java

@@ -4,6 +4,7 @@
 import com.wl2c.elswhereproductservice.domain.product.exception.ProductNotFoundException;
 import com.wl2c.elswhereproductservice.domain.product.exception.WrongProductSortTypeException;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.list.SummarizedProductDto;
+import com.wl2c.elswhereproductservice.domain.product.model.dto.list.SummarizedProductForHoldingDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.request.RequestProductSearchDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.response.ResponseProductComparisonTargetDto;
 import com.wl2c.elswhereproductservice.domain.product.model.dto.response.ResponseSingleProductDto;
@@ -35,6 +36,8 @@ public class ProductService {
     private final TickerSymbolRepository tickerSymbolRepository;
     private final ProductSearchRepository productSearchRepository;
 
+    private final RepaymentEvaluationDatesService repaymentEvaluationDatesService;
+
     public Page<SummarizedProductDto> listByOnSale(String type, Pageable pageable) {
         Sort sort = switch (type) {
             case "latest" -> Sort.by(Sort.Order.desc("subscriptionStartDate"), Sort.Order.desc("lastModifiedAt"));
@@ -81,6 +84,21 @@ public List<SummarizedProductDto> listByProductIds(List<Long> productIdList) {
                 .collect(Collectors.toList());
     }
 
+    public List<SummarizedProductForHoldingDto> holdingListByProductIds(List<Long> productIdList) {
+        log.info("Before adding the products data");
+        List<Product> productList = productRepository.listByIds(productIdList);
+        log.info("After adding the products data");
+
+        List<SummarizedProductForHoldingDto> summarizedProductForHoldingDtos = new ArrayList<>();
+        for (Product product : productList) {
+            summarizedProductForHoldingDtos.add(new SummarizedProductForHoldingDto(
+                    product,
+                    repaymentEvaluationDatesService.findNextRepaymentEvaluationDate(product.getId()).getNextRepaymentEvaluationDate()
+            ));
+        }
+        return summarizedProductForHoldingDtos;
+    }
+
     public ResponseSingleProductDto findOne(Long id) {
         log.info("Before retrieving the product data");
         Product product = productRepository.findOne(id).orElseThrow(ProductNotFoundException::new);