优化 获取视频信息 合并时间段

VideoAnalysis/Controllers/ApiController.cs

@@ -79,7 +79,35 @@ namespace Learn.VideoAnalysis.Controllers
             return Ok(res);
         }
 
-
+        [NonAction]
+        private static List<TimeBase> MergeTimeBases(IEnumerable<TimeBase> timeBases)
+        {
+            if (timeBases == null || timeBases.Count() == 0)
+            {
+                return new List<TimeBase>();
+            }
+            var mergedList = new List<TimeBase>();
+            // 初始化合并段
+            var current = timeBases.First();
+            foreach (var next in timeBases)
+            {
+                // 如果类型相同，则扩展时间段
+                if (current.TimeBaseType == next.TimeBaseType)
+                {
+                    current.End = Math.Max(current.End, next.End);
+                }
+                else
+                {
+                    // 类型不同，将当前时间段加入结果列表，并开始新时间段
+                    current.Content = string.Empty;
+                    mergedList.Add(current);
+                    current = next;
+                }
+            }
+            // 添加最后的时间段
+            mergedList.Add(current);
+            return mergedList;
+        }
 
         /// <summary>
         /// 获取视频信息<para>taskId/tagId二选一</para>
@@ -104,15 +132,7 @@ namespace Learn.VideoAnalysis.Controllers
             if (task.LastEnum != RedisChannelEnum.EndTask)
                 return BadRequest(taskData);
             if (!needSubtitle && taskData != null && taskData.TimeBase != null)
-            {
+                taskData.TimeBase = MergeTimeBases(taskData.TimeBase);
-                taskData.TimeBase = taskData.TimeBase
-                    .Select(s => 
-                    {
-                        s.Content = null;
-                        return s;
-                    })
-                    .ToArray();
-            }
             return Ok(taskData);
         }
 

VideoAnalysis/Controllers/Dto/ApiDto.cs

@@ -74,6 +74,7 @@ namespace Learn.VideoAnalysis.Controllers.Dto
             Enum.GetValues(typeof(TimeBaseTypeEnum))
             .Cast<TimeBaseTypeEnum>()
             .ToDictionary(x => (int)x, x => x.ToString());
+
         /// <summary>
         /// 时间轴合计
         /// </summary>