메뉴 권한별 레디스저장, 조회 추가

src/main/java/com/kamco/cd/kamcoback/menu/service/MenuService.java

@@ -1,10 +1,17 @@
 package com.kamco.cd.kamcoback.menu.service;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JavaType;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.kamco.cd.kamcoback.common.enums.RoleType;
 import com.kamco.cd.kamcoback.menu.dto.MenuDto;
 import com.kamco.cd.kamcoback.postgres.core.MenuCoreService;
+import java.time.Duration;
+import java.util.ArrayList;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.cache.annotation.Cacheable;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -12,6 +19,8 @@ import org.springframework.stereotype.Service;
 public class MenuService {
 
   private final MenuCoreService menuCoreService;
+  private final StringRedisTemplate redisTemplate;
+  private final ObjectMapper objectMapper;
 
   @Cacheable(value = "menuFindAll")
   public List<MenuDto.Basic> getFindAll() {
@@ -19,12 +28,47 @@ public class MenuService {
   }
 
   /**
-   * 권한별 메뉴 목록
+   * 권한별 메뉴 목록 redis 등록
+   *
+   * @return
+   */
+  public void getFindByRoleRedis() {
+    for (RoleType role : RoleType.values()) {
+      List<MenuDto.Basic> menus = menuCoreService.getFindByRole(role.name());
+
+      try {
+        String key = "menu:role:" + role.name();
+        String value = objectMapper.writeValueAsString(menus);
+        redisTemplate.opsForValue().set(key, value, Duration.ofHours(6));
+      } catch (JsonProcessingException e) {
+        throw new RuntimeException(e);
+      }
+    }
+  }
+
+  /**
+   * 권한별 메뉴 목록 조회
    *
    * @param role
    * @return
    */
-  //  public List<MenuDto.MenuList> getFindByRole(String role) {
-  //    return menuCoreService.getFindByRole(role);
-  //  }
+  public List<MenuDto.Basic> getFindByRole(String role) {
+    String key = "menu:role:" + role;
+    String json = redisTemplate.opsForValue().get(key);
+    if (json == null) {
+      return new ArrayList<>();
+    }
+
+    JavaType type =
+        objectMapper.getTypeFactory().constructCollectionType(List.class, MenuDto.Basic.class);
+
+    List<MenuDto.Basic> cached;
+
+    try {
+      cached = objectMapper.readValue(json, type);
+    } catch (JsonProcessingException e) {
+      throw new RuntimeException(e);
+    }
+    return cached;
+  }
 }