update

Author: honue

Configuration/MainPageOptions.cs

@@ -57,13 +57,13 @@ public class MainPageOptions : EditableOptionsBase
         public string ScheduledTaskLibraries { get; set; } = string.Empty;
 
         [DisplayName("最近入库时间窗口（天）")]
-        [Description("用于“刷新媒体元数据（最近入库）、扫描片头（最近入库）”计划任务，仅处理指定天数内入库的条目，0 表示不限制。")]
+        [Description("用于“刷新媒体元数据”计划任务，仅处理指定天数内入库的条目，0 表示不限制。")]
         [MinValue(0)]
         [MaxValue(3650)]
         public int RecentItemsDays { get; set; } = 3;
 
         [DisplayName("最近入库媒体筛选数量")]
-        [Description("用于“提取媒体信息（最近入库）”计划任务，默认 100。")]
+        [Description("用于“提取媒体信息、扫描片头”计划任务，默认 100。")]
         [MinValue(1)]
         [MaxValue(1000)]
         public int RecentItemsLimit { get; set; } = 100;
@@ -142,7 +142,7 @@ void AddGroup(string title, params string[] propertyNames)
                 groupedItems.Add(new EditorGroup(title, items.ToArray(), $"group{groupIndex}", root.Id, null));
             }
 
-            AddGroup("全局开关",
+            AddGroup("插件启停",
                 nameof(PersistMediaInfoEnabled));
 
             AddGroup("基本设置",

MediaInfoKeeper.csproj

@@ -4,9 +4,9 @@
     <Description>MediaInfoKeeper Emby plugin</Description>
     <PackageTags>emby;plugin;pms;media;server;</PackageTags>
     <BaseOutputPath>Build\bin\</BaseOutputPath>
-    <AssemblyVersion>1.5.6.0</AssemblyVersion>
-    <FileVersion>1.5.6.0</FileVersion>
-    <Version>1.5.6</Version>
+    <AssemblyVersion>1.5.7.0</AssemblyVersion>
+    <FileVersion>1.5.7.0</FileVersion>
+    <Version>1.5.7</Version>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
   </PropertyGroup>
   <ItemGroup>

README.md

@@ -19,6 +19,7 @@ MediaInfoKeeper
 --------
 
 - 刷新媒体元数据（最近入库）：刷新后从 JSON 导入 MediaInfo（可选覆盖或补全）。
+- 扫描片头（最近入库）：按入库时间倒序取最近 N 条（最近入库媒体筛选数量）执行片头检测。
 - 提取媒体信息（最近入库）：对最近入库条目执行提取或恢复并写入 JSON。
 - 提取媒体信息：对范围内存量条目执行提取或恢复并写入 JSON。
 - 导出媒体信息：对已有 MediaInfo 的条目导出 JSON。

ScheduledTask/ExtractRecentMediaInfoTask.cs

@@ -26,7 +26,7 @@ public ExtractRecentMediaInfoTask(ILogManager logManager, ILibraryManager librar
 
         public string Key => "MediaInfoKeeperExtractRecentMediaInfoTask";
 
-        public string Name => "2.提取媒体信息";
+        public string Name => "3.提取媒体信息";
 
         public string Description => "计划任务媒体库范围内，按入库时间倒序取最近 N 条（“最近入库媒体筛选数量”）恢复/提取媒体信息并写入 JSON。（已存在则恢复）";
 

ScheduledTask/ScanRecentIntroTask.cs

@@ -1,28 +1,33 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Tasks;
-using MediaInfoKeeper.Services;
 
 namespace MediaInfoKeeper.ScheduledTask
 {
     public class ScanRecentIntroTask : IScheduledTask
     {
         private readonly ILogger logger;
+        private readonly ILibraryManager libraryManager;
         public ScanRecentIntroTask(ILogManager logManager, ILibraryManager libraryManager)
         {
             this.logger = logManager.GetLogger(Plugin.PluginName);
-            _ = libraryManager;
+            this.libraryManager = libraryManager;
         }
 
         public string Key => "MediaInfoKeeperScanRecentIntroTask";
 
-        public string Name => "3.扫描片头";
+        public string Name => "2.扫描片头";
 
-        public string Description => "全局媒体库范围内，按“最近入库时间窗口（天）”筛选（0=不限制）的剧集执行片头检测。";
+        public string Description => "全局媒体库范围内，按入库时间倒序取最近 N 条（“最近入库媒体筛选数量”）的剧集执行片头检测。";
 
         public string Category => Plugin.TaskCategoryName;
 
@@ -34,10 +39,31 @@ public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
         {
             this.logger.Info("最近入库片头扫描计划任务开始");
+            var episodes = FetchRecentEpisodes();
             await Plugin.IntroScanService
-                .ScanRecentIntroAsync(cancellationToken, progress)
+                .ScanEpisodesAsync(episodes, cancellationToken, progress)
                 .ConfigureAwait(false);
             this.logger.Info("最近入库片头扫描计划任务完成");
         }
+
+        private List<Episode> FetchRecentEpisodes()
+        {
+            var query = new InternalItemsQuery
+            {
+                Recursive = true,
+                HasPath = true,
+                MediaTypes = new[] { MediaType.Video }
+            };
+
+            var episodes = this.libraryManager.GetItemList(query)
+                .OfType<Episode>()
+                .Where(i => i.ExtraType is null)
+                .OrderByDescending(i => i.DateCreated)
+                .Take(Math.Max(1, Plugin.Instance.Options.MainPage.RecentItemsLimit))
+                .ToList();
+
+            this.logger.Info($"扫描条目数 {episodes.Count}");
+            return episodes;
+        }
     }
 }

Services/IntroScanService.cs

@@ -27,16 +27,6 @@ public IntroScanService(ILogManager logManager, ILibraryManager libraryManager)
             this.libraryManager = libraryManager;
         }
 
-        public async Task ScanRecentIntroAsync(CancellationToken cancellationToken, IProgress<double> progress)
-        {
-            this.logger.Info("最近入库片头扫描开始");
-
-            var episodes = FetchRecentEpisodes();
-            await ScanEpisodesAsync(episodes, cancellationToken, progress).ConfigureAwait(false);
-
-            this.logger.Info("最近入库片头扫描完成");
-        }
-
         public async Task ScanEpisodesAsync(
             IReadOnlyList<Episode> episodes,
             CancellationToken cancellationToken,
@@ -105,30 +95,6 @@ public async Task ScanEpisodesAsync(
             this.logger.Info($"扫描完成，条目数 {total}");
         }
 
-        public List<Episode> FetchRecentEpisodes()
-        {
-            var query = new InternalItemsQuery
-            {
-                Recursive = true,
-                HasPath = true,
-                MediaTypes = new[] { MediaType.Video }
-            };
-
-            var cutoff = Plugin.Instance.Options.MainPage.RecentItemsDays > 0
-                ? DateTime.UtcNow.AddDays(-Plugin.Instance.Options.MainPage.RecentItemsDays)
-                : (DateTime?)null;
-
-            var episodes = this.libraryManager.GetItemList(query)
-                .OfType<Episode>()
-                .Where(i => i.ExtraType is null)
-                .Where(i => cutoff == null || i.DateCreated >= cutoff)
-                .OrderByDescending(i => i.DateCreated)
-                .ToList();
-
-            this.logger.Info($"扫描条目数 {episodes.Count}");
-            return episodes;
-        }
-
         public bool HasIntroMarkers(BaseItem item)
         {
             return Plugin.IntroSkipChapterApi.GetIntroStart(item).HasValue ||