TASK:aida;

src/main/java/com/ai/da/common/utils/RedisUtil.java

@@ -200,4 +200,17 @@ public class RedisUtil {
         Boolean isMember = redisTemplate.opsForSet().isMember(key, userId.toString());
         return isMember != null && isMember;
     }
+
+    public final static String PORTFOLIO_VIEW_KEY = "portfolio:view:";
+
+    public void increaseViewCount(Long portfolioId) {
+        String key = PORTFOLIO_VIEW_KEY + portfolioId;
+        redisTemplate.opsForValue().increment(key);
+    }
+
+    public Long getViewCount(Long portfolioId) {
+        String key = PORTFOLIO_VIEW_KEY + portfolioId;
+        return redisTemplate.opsForValue().increment(key, 0);
+    }
+
 }