feat(store): store id 조회를 redis에 cache처리

.gitignore

@@ -35,3 +35,6 @@ out/
 
 ### VS Code ###
 .vscode/
+
+### DATA ###
+data

src/main/java/prography/cakeke/server/store/adapter/out/external/RedisAdapter.java

@@ -0,0 +1,35 @@
+package prography.cakeke.server.store.adapter.out.external;
+
+import java.time.Duration;
+
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.ValueOperations;
+import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
+import org.springframework.stereotype.Repository;
+
+import lombok.RequiredArgsConstructor;
+import prography.cakeke.server.store.application.port.out.LoadRedisPort;
+import prography.cakeke.server.store.application.port.out.SaveRedisPort;
+
+@Repository
+@RequiredArgsConstructor
+public class RedisAdapter implements LoadRedisPort, SaveRedisPort {
+    private final RedisTemplate<String, String> redisTemplate;
+    private final Integer TTL = 86400;
+
+    @Override
+    public String save(String key, String value) {
+        getOperations().set(key, value, Duration.ofMillis(TTL));
+        return value;
+    }
+
+    @Override
+    public String getByKey(String key) {
+        return getOperations().get(key);
+    }
+
+    private ValueOperations<String, String> getOperations() {
+        redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(String.class));
+        return redisTemplate.opsForValue();
+    }
+}

src/main/java/prography/cakeke/server/store/application/port/out/LoadRedisPort.java

@@ -0,0 +1,5 @@
+package prography.cakeke.server.store.application.port.out;
+
+public interface LoadRedisPort {
+    String getByKey(String key);
+}

src/main/java/prography/cakeke/server/store/application/port/out/SaveRedisPort.java

@@ -0,0 +1,5 @@
+package prography.cakeke.server.store.application.port.out;
+
+public interface SaveRedisPort {
+    String save(String key, String value);
+}

src/main/java/prography/cakeke/server/store/application/service/StoreService.java

@@ -12,7 +12,9 @@
 import prography.cakeke.server.store.adapter.in.web.response.StoreNaverLocalSearchApiResponse;
 import prography.cakeke.server.store.application.port.in.StoreUseCase;
 import prography.cakeke.server.store.application.port.out.LoadNaverSearchApiPort;
+import prography.cakeke.server.store.application.port.out.LoadRedisPort;
 import prography.cakeke.server.store.application.port.out.LoadStorePort;
+import prography.cakeke.server.store.application.port.out.SaveRedisPort;
 import prography.cakeke.server.store.domain.District;
 import prography.cakeke.server.store.domain.Store;
 import prography.cakeke.server.store.domain.StoreTag;
@@ -32,6 +34,8 @@ public class StoreService implements StoreUseCase {
 
     private final LoadNaverSearchApiPort loadNaverSearchApiPort;
     private final LoadStorePort loadStorePort;
+    private final SaveRedisPort saveRedisPort;
+    private final LoadRedisPort loadRedisPort;
 
     /**
      * 각 구별 가게의 개수를 반환합니다.
@@ -113,8 +117,27 @@ public Store getStore(Long storeId) {
      */
     @Override
     public StoreNaverLocalSearchApiResponse getNaverLocalApiByStore(Store store) {
-        final String storeName = store.getName();
-        return loadNaverSearchApiPort.getNaverLocalSearchResponse(storeName);
+        /**
+         *  1. redis에서 검색해보고 없으면 naver에서 link 정보 가져와 redis에 저장하고 반환.
+         *  2. redis에 있으면 바로 반환.
+         */
+        String redisResponse = loadRedisPort.getByKey(String.valueOf(store.getId()));
+
+        // redis에 없으면
+        if (redisResponse == null) {
+            StoreNaverLocalSearchApiResponse naverResponse =
+                    loadNaverSearchApiPort.getNaverLocalSearchResponse(store.getName());
+            saveRedisPort.save(String.valueOf(store.getId()), naverResponse.getLink());
+            return naverResponse;
+        }
+
+        // redis에 있으면
+        return StoreNaverLocalSearchApiResponse.builder()
+                                               .link(redisResponse)
+                                               .address("")
+                                               .phoneNumber("")
+                                               .description("")
+                                               .build();
     }
 
     /**