DTO 변경 및 코드 리팩토링

src/main/java/com/perfumepedia/perfumepedia/domain/brand/dto/BrandAndPerfumeCountDto.java

@@ -0,0 +1,18 @@
+package com.perfumepedia.perfumepedia.domain.brand.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+public class BrandAndPerfumeCountDto {
+
+    private Long brandCount;
+    private Long perfumeCount;
+
+    @Builder
+    public BrandAndPerfumeCountDto(Long brandCount, Long perfumeCount) {
+        this.brandCount = brandCount;
+        this.perfumeCount = perfumeCount;
+    }
+
+}

src/main/java/com/perfumepedia/perfumepedia/domain/brand/repository/RequestBrandRepository.java

@@ -1,7 +1,13 @@
 package com.perfumepedia.perfumepedia.domain.brand.repository;
 
+import com.perfumepedia.perfumepedia.domain.brand.entity.Brand;
 import com.perfumepedia.perfumepedia.domain.brand.entity.RequestBrand;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.Optional;
+
 public interface RequestBrandRepository extends JpaRepository<RequestBrand, Long> {
+    Optional<RequestBrand> findByName(String name);
+
+
 }

src/main/java/com/perfumepedia/perfumepedia/domain/brand/service/BrandService.java

@@ -1,5 +1,6 @@
 package com.perfumepedia.perfumepedia.domain.brand.service;
 
+import com.perfumepedia.perfumepedia.domain.brand.dto.BrandAndPerfumeCountDto;
 import com.perfumepedia.perfumepedia.domain.brand.repository.BrandRepository;
 import com.perfumepedia.perfumepedia.domain.perfume.repository.PerfumeRepository;
 import com.perfumepedia.perfumepedia.global.response.SuccessResponse;
@@ -24,17 +25,20 @@ public BrandService(BrandRepository brandRepository, PerfumeRepository perfumeRe
         this.perfumeRepository = perfumeRepository;
     }
 
-
     /**
      * 저장되어있는 브랜드와 향수의 개수를 반환하는 메서드
      */
-    public SuccessResponse<Map<String, Long>> BrandAndPerfumeCount() {
-        Map<String, Long> brandAndPerfumeCount = new HashMap<>();
+    public SuccessResponse<BrandAndPerfumeCountDto> BrandAndPerfumeCount() {
+
+        Long brandCount = brandRepository.count();
+        Long perfumeCount = perfumeRepository.count();
 
-        brandAndPerfumeCount.put("brandCount", brandRepository.count());
-        brandAndPerfumeCount.put("perfumeCount", perfumeRepository.count());
+        BrandAndPerfumeCountDto brandAndPerfumeCountDto = BrandAndPerfumeCountDto.builder()
+                .brandCount(brandCount)
+                .perfumeCount(perfumeCount)
+                .build();
 
-        return new SuccessResponse<>(REQUEST_COMPLETED, brandAndPerfumeCount);
+        return new SuccessResponse<>(REQUEST_COMPLETED, brandAndPerfumeCountDto);
     }