自动看课获取视频缓存时长调整

fs-service/src/main/java/com/fs/course/service/impl/FsUserCourseVideoServiceImpl.java

@@ -2425,7 +2425,7 @@ public class FsUserCourseVideoServiceImpl implements IFsUserCourseVideoService
         }
         Long videoDuration = 0L;
         try {
-            videoDuration = getVideoDuration(param.getVideoId());
+            videoDuration = getAutoLookVideoDuration(param.getVideoId());
         }catch (Exception e){
             log.error("视频时长识别错误:{}", param);
             return R.error();
@@ -2920,6 +2920,30 @@ public class FsUserCourseVideoServiceImpl implements IFsUserCourseVideoService
         return duration;
     }
 
+    /**
+     * 获取视频时长（优先从Redis获取，不存在则查数据库）
+     */
+    private Long getAutoLookVideoDuration(Long videoId) {
+        //将视频时长也存到redis
+        String videoRedisKey = "h5wxuser:video:duration:" + videoId;
+        Long videoDuration=0L;
+        try {
+            videoDuration = redisCache.getCacheObject(videoRedisKey);
+        }catch (Exception e){
+            String string = redisCache.getCacheObject(videoRedisKey);
+            videoDuration=Long.parseLong(string);
+            log.error("key中id为S:{}", videoDuration);
+        }
+
+
+        if (videoDuration==null){
+            FsUserCourseVideo video = fsUserCourseVideoMapper.selectFsUserCourseVideoByVideoId(videoId);
+            videoDuration=video.getDuration();
+            redisCache.setCacheObject(videoRedisKey,video.getDuration());
+        }
+        return videoDuration;
+    }
+
     /**
      * 时长校验服务实现
      *