合并252 pull request

DownKyi/Models/Downloading.cs

@@ -1,4 +1,4 @@
-using DownKyi.Core.BiliApi.VideoStream;
+using DownKyi.Core.BiliApi.VideoStream;
 using System;
 using System.Collections.Generic;
 
@@ -11,6 +11,7 @@ namespace DownKyi.Models
         {
             // 初始化下载的文件列表
             DownloadFiles = new Dictionary<string, string>();
+            DownloadedFiles = new List<string>();
         }
 
         // Aria相关
@@ -19,6 +20,9 @@ namespace DownKyi.Models
         // 下载的文件
         public Dictionary<string, string> DownloadFiles { get; set; }
 
+        // 已下载的文件
+        public List<string> DownloadedFiles { get; set; }
+
         // 视频类别
         public PlayStreamType PlayStreamType { get; set; }
 

DownKyi/Services/Download/AriaDownloadService.cs

@@ -1,4 +1,4 @@
-using DownKyi.Core.Aria2cNet;
+using DownKyi.Core.Aria2cNet;
 using DownKyi.Core.Aria2cNet.Client;
 using DownKyi.Core.Aria2cNet.Client.Entity;
 using DownKyi.Core.Aria2cNet.Server;
@@ -141,6 +141,11 @@ namespace DownKyi.Services.Download
             string fileName = Guid.NewGuid().ToString("N");
 
             string key = $"{downloadVideo.Id}_{downloadVideo.Codecs}";
+            // 老版本数据库没有这一项，会变成null
+            if (downloading.Downloading.DownloadedFiles == null)
+                downloading.Downloading.DownloadedFiles = new List<string>();
+            if (downloading.Downloading.DownloadedFiles.Contains(key))
+                return Path.Combine(path, fileName);
             if (downloading.Downloading.DownloadFiles.ContainsKey(key))
             {
                 // 如果存在，表示下载过，
@@ -155,6 +160,9 @@ namespace DownKyi.Services.Download
                     downloading.Downloading.DownloadFiles.Add(key, fileName);
                 }
                 catch (ArgumentException) { }
+                // Gid最好能是每个文件单独存储，现在复用有可能会混
+                // 不过好消息是下载是按固定顺序的，而且下载了两个音频会混流不过
+                downloading.Downloading.Gid = null;
             }
 
             // 开始下载
@@ -162,6 +170,7 @@ namespace DownKyi.Services.Download
             switch (downloadStatus)
             {
                 case DownloadResult.SUCCESS:
+                    downloading.Downloading.DownloadedFiles.Add(key);
                     return Path.Combine(path, fileName);
                 case DownloadResult.FAILED:
                 case DownloadResult.ABORT:
@@ -544,6 +553,8 @@ namespace DownKyi.Services.Download
                 Directory.CreateDirectory(path);
             }
 
+            try
+            {
                 await Task.Run(new Action(() =>
                 {
                     // 初始化
@@ -554,10 +565,6 @@ namespace DownKyi.Services.Download
                     // 解析并依次下载音频、视频、弹幕、字幕、封面等内容
                     Parse(downloading);
 
-                // 设置下载状态
-                // 必须在解析之后设置为DOWNLOADING
-                downloading.Downloading.DownloadStatus = DownloadStatus.DOWNLOADING;
-
                     // 暂停
                     Pause(downloading);
                     // 是否存在
@@ -795,6 +802,10 @@ namespace DownKyi.Services.Download
                     }));
                 }));
             }
+            catch (OperationCanceledException)
+            {
+            }
+        }
 
         /// <summary>
         /// 下载失败后的处理
@@ -836,33 +847,11 @@ namespace DownKyi.Services.Download
         /// <param name="downloading"></param>
         private void Pause(DownloadingItem downloading)
         {
-            string oldStatus = downloading.DownloadStatusTitle;
             downloading.DownloadStatusTitle = DictionaryResource.GetString("Pausing");
-            while (downloading.Downloading.DownloadStatus == DownloadStatus.PAUSE)
+            if (downloading.Downloading.DownloadStatus == DownloadStatus.PAUSE)
             {
-                // 降低CPU占用
-                Thread.Sleep(100);
+                throw new OperationCanceledException("Stop thread by pause");
             }
-            downloading.DownloadStatusTitle = DictionaryResource.GetString("Waiting");
-
-            int maxDownloading = SettingsManager.GetInstance().GetAriaMaxConcurrentDownloads();
-            int downloadingCount;
-            do
-            {
-                downloadingCount = 0;
-                foreach (DownloadingItem item in downloadingList)
-                {
-                    if (item.Downloading.DownloadStatus == DownloadStatus.DOWNLOADING)
-                    {
-                        downloadingCount++;
-                    }
-                }
-
-                // 降低CPU占用
-                Thread.Sleep(100);
-            } while (downloadingCount > maxDownloading);
-
-            downloading.DownloadStatusTitle = oldStatus;
         }
 
         /// <summary>
@@ -958,6 +947,18 @@ namespace DownKyi.Services.Download
             // path已斜杠结尾，去掉斜杠
             path = path.TrimEnd('/').TrimEnd('\\');
 
+            //检查gid对应任务，如果已创建那么直接使用
+            //但是代理设置会出现不能随时更新的问题
+
+            if (downloading.Downloading.Gid != null)
+            {
+                Task<AriaTellStatus> status = AriaClient.TellStatus(downloading.Downloading.Gid);
+                if (status == null || status.Result == null)
+                    downloading.Downloading.Gid = null;
+            }
+
+            if (downloading.Downloading.Gid == null)
+            {
                 AriaSendOption option = new AriaSendOption
                 {
                     //HttpProxy = $"http://{Settings.GetAriaHttpProxy()}:{Settings.GetAriaHttpProxyListenPort()}",
@@ -984,12 +985,17 @@ namespace DownKyi.Services.Download
                 // 保存gid
                 string gid = ariaAddUri.Result.Result;
                 downloading.Downloading.Gid = gid;
+            }
+            else
+            {
+                Task<AriaPause> ariaUnpause = AriaClient.UnpauseAsync(downloading.Downloading.Gid);
+            }
 
             // 管理下载
             AriaManager ariaManager = new AriaManager();
             ariaManager.TellStatus += AriaTellStatus;
             ariaManager.DownloadFinish += AriaDownloadFinish;
-            return ariaManager.GetDownloadStatus(gid, new Action(() =>
+            return ariaManager.GetDownloadStatus(downloading.Downloading.Gid, new Action(() =>
             {
                 switch (downloading.Downloading.DownloadStatus)
                 {
@@ -999,7 +1005,6 @@ namespace DownKyi.Services.Download
                         Pause(downloading);
                         break;
                     case DownloadStatus.DOWNLOADING:
-                        Task<AriaPause> ariaUnpause = AriaClient.UnpauseAsync(downloading.Downloading.Gid);
                         break;
                 }
             }));