下载完成事件：触发后入库并启动 Jellyfin 轮询匹配

FATrace.OEMApp/MainApp.cs

@@ -5,6 +5,10 @@ using FATrace.Model;
 using LibVLCSharp.Shared;
 using ReaLTaiizor.Forms;
 using System.ComponentModel;
+using FATrace.OEMApp.Services;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Collections.Concurrent;
 
 namespace FATrace.OEMApp
 {
@@ -88,6 +92,12 @@ namespace FATrace.OEMApp
         /// </summary>
         public string CurrentVideoPath { get; set; }
 
+        /// <summary>
+        /// 按文件名/路径去重，避免同一下载完成事件被重复处理
+        /// key: 文件名或路径（小写） value: 对应插入的 OEMRawUse.Id（0 表示尚未完成插入）
+        /// </summary>
+        private readonly ConcurrentDictionary<string, long> _downloadProcessingKeys = new();
+
         #endregion
 
 
@@ -132,6 +142,8 @@ namespace FATrace.OEMApp
             {
                 HkCameraClient.NVRLoadVideoProcessEventHandler -= HkCameraClient_NVRLoadVideoProcessEventHandler;
                 HkCameraClient.NVRLoadVideoProcessEventHandler += HkCameraClient_NVRLoadVideoProcessEventHandler;
+                HkCameraClient.NVRLoadVideoCompleteEventHandler -= HkCameraClient_NVRLoadVideoCompleteEventHandler;
+                HkCameraClient.NVRLoadVideoCompleteEventHandler += HkCameraClient_NVRLoadVideoCompleteEventHandler;
                 // 进度轮询已在库方法内部自动启动，这里无需再次调用
                 HkCameraClient.StartDownloadProgressMonitor();
             }
@@ -444,23 +456,73 @@ namespace FATrace.OEMApp
         }
 
         /// <summary>
-        /// Handles the event triggered when the NVR (Network Video Recorder) completes loading a video.
-        /// Video下载完成
+        /// 下载完成事件：触发后入库并启动 Jellyfin 轮询匹配
         /// </summary>
-        /// <param name="sender">The source of the event. This can be <see langword="null"/> if the event is not raised by a specific object.</param>
-        /// <param name="e">A string containing information about the completed video load operation.</param>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void HkCameraClient_NVRLoadVideoCompleteEventHandler(object? sender, string e)
         {
-            //先保存当前的信息
-            var returnValues = FSqlContext.FDb.Insert<OEMRawUse>(new OEMRawUse()
-            {
-               InBagCode=CurInBagCode,
-               RawName=CurInBagRawName,
-               User= CurUserName,
-               UrlState=false,
-               VideoUrl="",//暂时无法获取URL，因为服务器还没有扫描到文件信息
-            }).ExecuteInserted();
+            // 计算用于去重的 key（文件路径或文件名，小写）
+            var localNameOrPath = (!string.IsNullOrWhiteSpace(e) && (e.Contains("\\") || e.Contains("/") || e.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase)))
+                ? e
+                : this.CurrentVideoPath;
+            var key = (System.IO.Path.GetFileName(localNameOrPath) ?? localNameOrPath).ToLowerInvariant();
 
+            // 若同一 key 已在处理中，则忽略本次回调
+            if (!_downloadProcessingKeys.TryAdd(key, 0))
+            {
+                System.Diagnostics.Debug.WriteLine($"[NVRLoadVideoComplete] 正在处理相同文件，忽略: {key}");
+                return;
+            }
+
+            // 先保存当前的信息，记录主键 Id
+            var rawUse = new OEMRawUse()
+            {
+                InBagCode = CurInBagCode,
+                RawName = CurInBagRawName,
+                User = CurUserName,
+                UrlState = false,
+                VideoUrl = string.Empty
+            };
+            long rawUseId = 0;
+            try
+            {
+                rawUseId = FSqlContext.FDb.Insert<OEMRawUse>(rawUse).ExecuteIdentity();
+                _downloadProcessingKeys[key] = rawUseId;
+            }
+            catch (Exception ex)
+            {
+                _downloadProcessingKeys.TryRemove(key, out _);
+                System.Diagnostics.Debug.WriteLine($"[NVRLoadVideoComplete] 插入 OEMRawUse 失败: {ex.Message}");
+                return;
+            }
+
+            // 后台执行，避免阻塞 UI 线程
+            Task.Run(async () =>
+            {
+                try
+                {
+                    var monitor = new JellyfinMonitorService();
+                    await monitor.MonitorAndUpdateAfterDownloadAsync(
+                        oemRawUseId: rawUseId,
+                        videoLocalPathOrName: localNameOrPath,
+                        code: CurInBagCode,
+                        rawName: CurInBagRawName,
+                        userName: CurUserName,
+                        cancellationToken: CancellationToken.None
+                    ).ConfigureAwait(false);
+                }
+                catch (Exception ex1)
+                {
+                    System.Diagnostics.Debug.WriteLine($"[JellyfinMonitor] 异常: {ex1.Message}");
+                }
+                finally
+                {
+                    // 移除去重 key，允许后续相同文件再次处理（如需重试）
+                    _downloadProcessingKeys.TryRemove(key, out _);
+                }
+            });
         }
+
     }
 }