✨ [Feature] 음료의 간편 정보를 Redis에서 가져오는 API 구현했어요 (#58)

oversweet-api/src/main/java/com/depromeet/oversweet/drink/controller/DrinkController.java

@@ -5,9 +5,11 @@
 import com.depromeet.oversweet.drink.dto.request.DrinkWeeklySugarDateRequest;
 import com.depromeet.oversweet.drink.dto.response.DrinkDailySugarStatisticsResponse;
 import com.depromeet.oversweet.drink.dto.response.DrinkDetailInfoResponse;
+import com.depromeet.oversweet.drink.dto.response.DrinkRedisInfo;
 import com.depromeet.oversweet.drink.dto.response.DrinkWeeklySugarStatisticsResponse;
 import com.depromeet.oversweet.drink.service.DrinkDailyStatisticsService;
 import com.depromeet.oversweet.drink.service.DrinkDetailSearchService;
+import com.depromeet.oversweet.drink.service.DrinkRedisService;
 import com.depromeet.oversweet.drink.service.DrinkWeeklyStatisticsService;
 import com.depromeet.oversweet.response.DataResponse;
 import com.depromeet.oversweet.security.service.CustomUserDetails;
@@ -26,6 +28,10 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
+import static org.springframework.http.HttpStatus.OK;
+
 @Tag(name = "음료", description = "음료 관련 API")
 @RestController
 @RequestMapping("/api/v1/drinks")
@@ -36,6 +42,7 @@ public class DrinkController {
     private final DrinkDailyStatisticsService drinkDailyStatisticsService;
     private final DrinkWeeklyStatisticsService drinkWeeklyStatisticsService;
     private final DrinkDetailSearchService drinkDetailSearchService;
+    private final DrinkRedisService drinkRedisService;
 
     /**
      * 유저 하루(데일리) 먹은 당 통계 및 음료 목록 조회.
@@ -77,4 +84,13 @@ public ResponseEntity<DataResponse<DrinkDetailInfoResponse>> retrieveDrinkDetail
         DrinkDetailInfoResponse response = drinkDetailSearchService.retrieveDrinkDetail(100L, request);
         return ResponseEntity.ok().body(DataResponse.of(HttpStatus.OK, "음료 상세 조회 성공", response));
     }
+
+    @Operation(summary = "레디스에 저장된 음료 목록 조회하거나 없다면 생성합니다.", description = "레디스에 저장된 음료 목록 조회 API")
+    @ApiResponses(@ApiResponse(responseCode = "200", description = "레디스에 저장된 음료 목록 조회 성공"))
+    @GetMapping("/redis")
+    public ResponseEntity<DataResponse<List<DrinkRedisInfo>>> getOrCreateDrinkAtRedis() {
+        final List<DrinkRedisInfo> drinks = drinkRedisService.getDrinks();
+        return ResponseEntity.ok()
+                .body(DataResponse.of(OK, "레디스에 저장된 음료 목록 조회 성공", drinks));
+    }
 }

oversweet-api/src/main/java/com/depromeet/oversweet/drink/dto/response/DrinkRedisInfo.java

@@ -0,0 +1,17 @@
+package com.depromeet.oversweet.drink.dto.response;
+
+import com.depromeet.oversweet.domain.drink.dto.DrinkSimpleInfo;
+import io.swagger.v3.oas.annotations.media.Schema;
+
+/**
+ * 레디스에 저장될 음료 간편 정보 DTO
+ */
+public record DrinkRedisInfo(
+        @Schema(description = "음료 ID", example = "1") Long id,
+
+        @Schema(description = "음료 이름", example = "아메리카노") String name
+) {
+    public static DrinkRedisInfo of(final DrinkSimpleInfo drinkSimpleInfo){
+        return new DrinkRedisInfo(drinkSimpleInfo.getId(), drinkSimpleInfo.getName());
+    }
+}

oversweet-api/src/main/java/com/depromeet/oversweet/drink/service/DrinkRedisService.java

@@ -0,0 +1,35 @@
+package com.depromeet.oversweet.drink.service;
+
+import com.depromeet.oversweet.domain.drink.dto.DrinkSimpleInfo;
+import com.depromeet.oversweet.domain.drink.repository.FindAllDrinkRepository;
+import com.depromeet.oversweet.drink.dto.response.DrinkRedisInfo;
+import com.depromeet.oversweet.redis.RedisRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * 음료 정보를 레디스에 저장하거나 가져오는 서비스
+ */
+@Service
+@RequiredArgsConstructor
+public class DrinkRedisService {
+
+    private static final String DRINK = "drink";
+    private final RedisRepository redisRepository;
+
+    private final FindAllDrinkRepository findAllDrinkRepository;
+
+    public List<DrinkRedisInfo> getDrinks() {
+        List<DrinkRedisInfo> drinkInfos = redisRepository.getData(DRINK, DrinkRedisInfo.class);
+        if (drinkInfos == null || drinkInfos.isEmpty()) {
+            final List<DrinkSimpleInfo> findDrinks = findAllDrinkRepository.findAll();
+            drinkInfos = findDrinks.stream()
+                    .map(DrinkRedisInfo::of)
+                    .toList();
+            redisRepository.saveData(DRINK, drinkInfos);
+        }
+        return drinkInfos;
+    }
+}

oversweet-api/src/main/java/com/depromeet/oversweet/franchise/controller/FranchiseController.java

@@ -42,7 +42,7 @@ public ResponseEntity<DataResponse<List<FranchiseInfo>>> getFranchiseByKeyword(@
 
     @Operation(summary = "레디스에 저장된 프랜차이즈 목록 조회하거나 없다면 생성합니다.", description = "레디스에 저장된 프랜차이즈 목록 조회 API")
     @ApiResponses(@ApiResponse(responseCode = "200", description = "레디스에 저장된 프랜차이즈 목록 조회 성공"))
-    @GetMapping("redis")
+    @GetMapping("/redis")
     public ResponseEntity<DataResponse<List<FranchiseInfo>>> getOrCreateFranchiseAtRedis() {
         final List<FranchiseInfo> franchise = franchiseRedisService.getFranchises();
         return ResponseEntity.ok()

oversweet-domain/src/main/java/com/depromeet/oversweet/domain/drink/dto/DrinkSimpleInfo.java

@@ -0,0 +1,6 @@
+package com.depromeet.oversweet.domain.drink.dto;
+
+public interface DrinkSimpleInfo {
+    Long getId();
+    String getName();
+}

oversweet-domain/src/main/java/com/depromeet/oversweet/domain/drink/enums/DrinkCategory.java

@@ -10,4 +10,5 @@ public enum DrinkCategory {
     ADE,
     TEA,
     SMOOTHIE,
+    JUICE
 }

oversweet-domain/src/main/java/com/depromeet/oversweet/domain/drink/repository/DrinkJpaRepository.java

@@ -1,6 +1,7 @@
 package com.depromeet.oversweet.domain.drink.repository;
 
 import com.depromeet.oversweet.domain.drink.dto.DrinkInfoWithScrapStatus;
+import com.depromeet.oversweet.domain.drink.dto.DrinkSimpleInfo;
 import com.depromeet.oversweet.domain.drink.entity.DrinkEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
@@ -19,4 +20,6 @@ public interface DrinkJpaRepository extends JpaRepository<DrinkEntity, Long> {
             "WHERE d.franchise.id = :franchiseId AND d.name = :drinkName ORDER BY d.size ASC")
     List<DrinkInfoWithScrapStatus> findDrinkWithBookmarkStatus(@Param("memberId") Long memberId, @Param("franchiseId") Long franchiseId, @Param("drinkName") String drinkName);
 
+    @Query(value = "select d.id, d.name from drink d", nativeQuery = true)
+    List<DrinkSimpleInfo> findAllDrinkSimpleInfo();
 }

oversweet-domain/src/main/java/com/depromeet/oversweet/domain/drink/repository/FindAllDrinkRepository.java

@@ -0,0 +1,12 @@
+package com.depromeet.oversweet.domain.drink.repository;
+
+import com.depromeet.oversweet.domain.drink.dto.DrinkSimpleInfo;
+
+import java.util.List;
+
+/**
+ * 필요한 음료의 정보를 토대로 모든 음료를 가져오는 Repository 인터페이스
+ */
+public interface FindAllDrinkRepository {
+    List<DrinkSimpleInfo> findAll();
+}

oversweet-domain/src/main/java/com/depromeet/oversweet/domain/drink/repository/FindAllDrinkRepositoryImpl.java

@@ -0,0 +1,22 @@
+package com.depromeet.oversweet.domain.drink.repository;
+
+import com.depromeet.oversweet.domain.drink.dto.DrinkSimpleInfo;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+/**
+ * 필요한 음료의 정보를 토대로 모든 음료를 가져오는 Repository 구현체
+ */
+@Repository
+@RequiredArgsConstructor
+public class FindAllDrinkRepositoryImpl implements FindAllDrinkRepository{
+
+    private final DrinkJpaRepository drinkJpaRepository;
+
+    @Override
+    public List<DrinkSimpleInfo> findAll() {
+        return drinkJpaRepository.findAllDrinkSimpleInfo();
+    }
+}