Add Search, Export

Tesses.YouTubeDownloader.Server/Class1.cs

@@ -10,9 +10,78 @@ using System.IO;
 using System.Text;
 using YoutubeExplode.Playlists;
 using YoutubeExplode.Channels;
+using Tesses.Extensions;
+using YoutubeExplode.Videos.Streams;
+
+namespace Tesses.Extensions
+{
+    public static class Extensions
+    {
+        public static string Substring(this string value,string str)
+        {
+            return value.Substring(str.Length);
+        }
+    }
+}
 
 namespace Tesses.YouTubeDownloader.Server
 {
+ 
+internal static class B64
+{
+    public static string Base64UrlEncodes(string arg)
+    {
+        return Base64UrlEncode(System.Text.Encoding.UTF8.GetBytes(arg));
+    }
+
+    public static string Base64Encode(byte[] arg)
+    {
+        return Convert.ToBase64String(arg);
+    }
+    public static byte[] Base64Decode(string arg)
+    {
+        return Convert.FromBase64String(arg);
+    }
+
+    public static string Base64Encodes(string arg)
+    {
+        return Base64Encode(System.Text.Encoding.UTF8.GetBytes(arg));
+    }
+
+    public  static string Base64UrlEncode(byte[] arg)
+    {
+        string s = Convert.ToBase64String(arg); // Regular base64 encoder
+        s = s.Split('=')[0]; // Remove any trailing '='s
+        s = s.Replace('+', '-'); // 62nd char of encoding
+        s = s.Replace('/', '_'); // 63rd char of encoding
+        return s;
+    }
+    public static string Base64Decodes(string arg)
+    {
+        return System.Text.Encoding.UTF8.GetString(Base64Decode(arg));
+    }
+    public static string Base64UrlDecodes(string arg)
+    {
+        return System.Text.Encoding.UTF8.GetString(Base64UrlDecode(arg));
+    }
+    public static byte[] Base64UrlDecode(string arg)
+    {
+        string s = arg;
+        s = s.Replace('-', '+'); // 62nd char of encoding
+        s = s.Replace('_', '/'); // 63rd char of encoding
+        switch (s.Length % 4) // Pad with trailing '='s
+        {
+            case 0: break; // No pad chars in this case
+            case 2: s += "=="; break; // Two pad chars
+            case 3: s += "="; break; // One pad char
+            default: throw new System.Exception(
+              "Illegal base64url string!");
+        }
+        return Convert.FromBase64String(s); // Standard base64 decoder
+    }
+
+}
+
     internal class ApiV1Server : Tesses.WebServer.Server
     {
         IDownloader downloader1;
@@ -328,7 +397,71 @@ namespace Tesses.YouTubeDownloader.Server
                 var data2=JsonConvert.DeserializeObject<SavedVideo>(data);
                 await ctx.SendJsonAsync(data2.ToLegacy());
             }
-            else*/ if(path.StartsWith("/File/"))
+            else*/
+            if(path.StartsWith("/File/FileInfo/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/FileInfo/")));
+                string url = B64.Base64UrlDecodes(file);
+                if(baseCtl.DownloadExists(url))
+                {
+                    var obj=await baseCtl.GetDownloadInfoAsync(url);
+                   await ctx.SendJsonAsync(obj);
+                }else{
+                    ctx.StatusCode = 404;
+                    ctx.NetworkStream.Close();
+                }
+            }
+            else if(path.StartsWith("/File/Info/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Info/")));
+                VideoId? id =VideoId.TryParse(file);
+                if(id.HasValue && baseCtl.VideoInfoExists(id.Value))
+                {
+                   var obj=await baseCtl.GetVideoInfoAsync(id.Value);
+                   await ctx.SendJsonAsync(obj);
+                }else{
+                    ctx.StatusCode = 404;
+                    ctx.NetworkStream.Close();
+                }
+            }else if(path.StartsWith("/File/Playlist/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Playlist/")));
+                PlaylistId? id =PlaylistId.TryParse(file);
+                if(id.HasValue && baseCtl.PlaylistInfoExists(id.Value))
+                {
+                   var obj=await baseCtl.GetPlaylistInfoAsync(id.Value);
+                   await ctx.SendJsonAsync(obj);
+                }else{
+                    ctx.StatusCode = 404;
+                    ctx.NetworkStream.Close();
+                }
+            }else if(path.StartsWith("/File/Channel/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Channel/")));
+                ChannelId? id =ChannelId.TryParse(file);
+                if(id.HasValue && baseCtl.ChannelInfoExists(id.Value))
+                {
+                    
+                   var obj=await baseCtl.GetChannelInfoAsync(id.Value);
+                   await ctx.SendJsonAsync(obj);
+                }else{
+                    ctx.StatusCode = 404;
+                    ctx.NetworkStream.Close();
+                }
+            }else if(path.StartsWith("/File/StreamInfo/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/File/Info/")));
+                VideoId? id =VideoId.TryParse(file);
+                if(id.HasValue && baseCtl.BestStreamInfoExists(id.Value))
+                {
+                   var obj=await baseCtl.GetBestStreamInfoAsync(id.Value);
+                   await ctx.SendJsonAsync(obj);
+                }else{
+                    ctx.StatusCode = 404;
+                    ctx.NetworkStream.Close();
+                }
+            }
+            else if(path.StartsWith("/File/"))
             {
                 string file=WebUtility.UrlDecode(path.Substring(6));
                 if(!await baseCtl.FileExistsAsync(file))
@@ -353,15 +486,107 @@ namespace Tesses.YouTubeDownloader.Server
                     await ctx.SendStreamAsync(s);
                 }
             }*/
+            else if(path.StartsWith("/GetFiles/FileInfo") || path.StartsWith("/GetFiles/FileInfo/"))
+            {
+                List<string> urls=new List<string>();
+                await foreach(var url in baseCtl.GetDownloadUrlsAsync())
+                {
+                    urls.Add($"{B64.Base64UrlEncodes(url)}.json");
+                }
+                 await ctx.SendJsonAsync(urls);
+            }
+            else if(path.StartsWith("/GetFiles/Info") || path.StartsWith("/GetFiles/Info/") || path.StartsWith("/GetFiles/StreamInfo") || path.StartsWith("/GetFiles/StreamInfo/"))
+            {
+                bool containsStrmInfo=path.Contains("StreamInfo");
+                List<string> items=new List<string>();
+                await foreach(var vid in baseCtl.GetVideoIdsAsync())
+                {
+                    var vid2=VideoId.TryParse(vid);
+                    
+                    if(!containsStrmInfo || (vid2.HasValue && baseCtl.BestStreamInfoExists(vid2.Value))){
+                        items.Add($"{vid}.json");
+                    }
+                }
+                await ctx.SendJsonAsync(items);
+            }else if(path.StartsWith("/GetFiles/Playlist") || path.StartsWith("/GetFiles/Playlist/"))
+            {
+                
+                List<string> items=new List<string>();
+                await foreach(var vid in baseCtl.GetPlaylistIdsAsync())
+                {
+                    items.Add($"{vid}.json");
+                }
+                await ctx.SendJsonAsync(items);
+            }else if(path.StartsWith("/GetFiles/Channel") || path.StartsWith("/GetFiles/Channel/"))
+            {
+                List<string> items=new List<string>();
+                await foreach(var vid in baseCtl.GetChannelIdsAsync())
+                {
+                    items.Add($"{vid}.json");
+                }
+                await ctx.SendJsonAsync(items);
+            }
             else if(path.StartsWith("/GetFiles/"))
             {
               await ctx.SendJsonAsync(baseCtl.EnumerateFiles( WebUtility.UrlDecode(path.Substring(10))).ToList());
-            }else if(path.StartsWith("/GetDirectories/"))
+            }
+            else if(path.StartsWith("/GetDirectories/"))
             {
                  await ctx.SendJsonAsync(baseCtl.EnumerateDirectories( WebUtility.UrlDecode(path.Substring(16))).ToList());
-            }else if(path.StartsWith("/FileExists-v2/"))
+            }
+             else if(path.StartsWith("/FileExists/StreamInfo/"))
             {
-                await ctx.SendTextAsync(baseCtl.FileExists(WebUtility.UrlDecode(path.Substring(15))) ? "true" : "false","text/plain");
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/StreamInfo/")));
+                VideoId? id =VideoId.TryParse(file);
+                if(id.HasValue && baseCtl.BestStreamInfoExists(id.Value))
+                {
+                    await ctx.SendTextAsync( "true","text/plain");
+                }else{
+                    await ctx.SendTextAsync( "false","text/plain");
+                }
+            }
+            else if(path.StartsWith("/FileExists/FileInfo/"))
+            {
+                 string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/StreamInfo/")));
+                string url = B64.Base64Decodes(file);
+                
+                if(baseCtl.DownloadExists(url))
+                {
+                    await ctx.SendTextAsync( "true","text/plain");
+                }else{
+                    await ctx.SendTextAsync( "false","text/plain");
+                }
+            }
+            else if(path.StartsWith("/FileExists/Info/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Info/")));
+                VideoId? id =VideoId.TryParse(file);
+                if(id.HasValue && baseCtl.VideoInfoExists(id.Value))
+                {
+                    await ctx.SendTextAsync( "true","text/plain");
+                }else{
+                    await ctx.SendTextAsync( "false","text/plain");
+                }
+            } else if(path.StartsWith("/FileExists/Playlist/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Playlist/")));
+                PlaylistId? id =PlaylistId.TryParse(file);
+                if(id.HasValue && baseCtl.PlaylistInfoExists(id.Value))
+                {
+                    await ctx.SendTextAsync( "true","text/plain");
+                }else{
+                    await ctx.SendTextAsync( "false","text/plain");
+                }
+            }else if(path.StartsWith("/FileExists/Channel/"))
+            {
+                string file = Path.GetFileNameWithoutExtension(WebUtility.UrlDecode(path.Substring("/FileExists/Channel/")));
+                ChannelId? id =ChannelId.TryParse(file);
+                if(id.HasValue && baseCtl.ChannelInfoExists(id.Value))
+                {
+                    await ctx.SendTextAsync( "true","text/plain");
+                }else{
+                    await ctx.SendTextAsync( "false","text/plain");
+                }
             }
             else if(path.StartsWith("/FileExists/"))
             {
@@ -369,13 +594,27 @@ namespace Tesses.YouTubeDownloader.Server
             }else if(path.StartsWith("/DirectoryExists/"))
             {
                  await ctx.SendTextAsync(baseCtl.DirectoryExists(WebUtility.UrlDecode(path.Substring(17))) ? "true" : "false","text/plain");
-            }else if(path.StartsWith("/Video/"))
+            }else if(path.StartsWith("/Download/"))
+            {
+                string url = path.Substring("/Download/");
+                if(baseCtl.DownloadExists(url) && baseCtl.DownloadFileExists(url))
+                {
+                            var v = await baseCtl.GetDownloadInfoAsync(url);
+                           string header=GetVideoContentDisposition(v.Title).ToString();
+                           ctx.ResponseHeaders.Add("Content-Disposition",header);
+                            using(var strm = await baseCtl.OpenReadAsync(baseCtl.GetDownloadFile(url)))
+                            {
+                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(v.Title));
+                            }
+                }
+            }
+            else if(path.StartsWith("/Video/"))
             {
                 
                 string id=path.Substring(7);
                 VideoId? id1=VideoId.TryParse(id);
                 if(id1.HasValue){
-                    if(baseCtl.FileExists($"Info/{id1.Value.Value}.json"))
+                    if(baseCtl.VideoInfoExists(id1.Value))
                     {
                         //Console.WriteLine("Id exists");
                         SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
@@ -397,7 +636,8 @@ namespace Tesses.YouTubeDownloader.Server
                     }
                 }
 
-            }else if(path.StartsWith("/VideoRes/"))
+            }
+            else if(path.StartsWith("/VideoRes/"))
             {
                  string id_res=path.Substring(10);
                  string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
@@ -415,7 +655,7 @@ namespace Tesses.YouTubeDownloader.Server
 
                      VideoId? id1=VideoId.TryParse(id_res_split[1]);
                 if(id1.HasValue){
-                    if(baseCtl.FileExists($"Info/{id1.Value.Value}.json"))
+                    if(baseCtl.VideoInfoExists(id1.Value))
                     {
                         //Console.WriteLine("Id exists");
                         SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
@@ -439,6 +679,162 @@ namespace Tesses.YouTubeDownloader.Server
                      }
                  }
             }
+            else if(path.StartsWith("/Watch/"))
+            {
+                
+                string id=path.Substring(7);
+                VideoId? id1=VideoId.TryParse(id);
+                if(id1.HasValue){
+                    int i=0;
+                    alt:
+                    if(i>= 10)
+                    {
+                        ctx.StatusCode=500;
+                        
+                        return;
+                    }
+                    if(baseCtl.VideoInfoExists(id1.Value))
+                    {
+
+                        //Console.WriteLine("Id exists");
+                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
+                     var res=   await BestStreamInfo.GetBestStreams(baseCtl,id1.Value);
+                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,Resolution.PreMuxed);
+                      
+                       if(!string.IsNullOrWhiteSpace(path0) && baseCtl.VideoInfoExists(id1.Value))
+                       {
+                           
+                           //Console.WriteLine("F is not null");
+                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
+                           string header=GetVideoContentDisposition(filename).ToString();
+                           ctx.ResponseHeaders.Add("Content-Disposition",header);
+                            using(var strm = await baseCtl.OpenReadAsync(path0))
+                            {
+                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
+                            }
+                       }else{
+                           //stream to browser
+                           string url=res.MuxedStreamInfo.Url;
+                            var b = baseCtl as TYTDStorage;
+                            if(b != null)
+                            {
+                               
+                                string filename = $"{v.Title}-{Path.GetFileName(path0)}";
+                           string header=GetVideoContentDisposition(filename).ToString();
+                           ctx.ResponseHeaders.Add("Content-Disposition",header);
+                            using( var strm=await b.YoutubeClient.Videos.Streams.GetAsync(res.MuxedStreamInfo))
+                            {
+                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
+                            }
+                            }else{
+                                 ctx.StatusCode=500;
+                                return;
+                            }
+                       }
+                    }else{
+                         var b = baseCtl as TYTDStorage;
+                            if(b != null)
+                            {
+                                var videoInfo=await b.YoutubeClient.Videos.GetAsync(id1.Value);
+                                await b.WriteVideoInfoAsync(new SavedVideo(videoInfo));
+                            }else{
+                                 ctx.StatusCode=500;
+                                return;
+                            }
+                        i++;
+                        goto alt;
+                    }
+                    
+                }
+
+            }
+            else if(path.StartsWith("/WatchRes/"))
+            {
+                  string id_res=path.Substring(10);
+                 string[] id_res_split = id_res.Split(new char[] {'/'},2,StringSplitOptions.RemoveEmptyEntries);
+                 if(id_res_split.Length ==2)
+                 {
+                     int num;
+                     if(int.TryParse(id_res_split[0],out num))
+                     {
+                         if(num < 0) num=1;
+                         if(num > 3) num=1;
+                     VideoId? id1=VideoId.TryParse(id_res_split[1]);
+
+                if(id1.HasValue){
+                    int i=0;
+                    alt:
+                    if(i>= 10)
+                    {
+                        ctx.StatusCode=500;
+                        
+                        return;
+                    }
+                    if(baseCtl.VideoInfoExists(id1.Value))
+                    {
+
+                        //Console.WriteLine("Id exists");
+                        SavedVideo v = await baseCtl.GetVideoInfoAsync(id1.Value);
+                     var res=   await BestStreamInfo.GetBestStreams(baseCtl,id1.Value);
+                      string path0=  await BestStreams.GetPathResolution(baseCtl,v,(Resolution)num);
+                      
+                       if(!string.IsNullOrWhiteSpace(path0) && baseCtl.VideoInfoExists(id1.Value))
+                       {
+                           
+                           //Console.WriteLine("F is not null");
+                           string filename = $"{v.Title}-{Path.GetFileName(path0)}";
+                           string header=GetVideoContentDisposition(filename).ToString();
+                           ctx.ResponseHeaders.Add("Content-Disposition",header);
+                            using(var strm = await baseCtl.OpenReadAsync(path0))
+                            {
+                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
+                            }
+                       }else{
+                           //stream to browser
+                           
+                            var b = baseCtl as TYTDStorage;
+                            if(b != null)
+                            {
+                               
+                                string filename = $"{v.Title}-{Path.GetFileName(path0)}";
+                           string header=GetVideoContentDisposition(filename).ToString();
+                           ctx.ResponseHeaders.Add("Content-Disposition",header);
+                            IStreamInfo info=res.MuxedStreamInfo;
+                            if(num == 2)
+                            {
+                                info = res.AudioOnlyStreamInfo;
+                            }else if(num == 3){
+                                info = res.VideoOnlyStreamInfo;
+                            }
+
+                            using( var strm=await b.YoutubeClient.Videos.Streams.GetAsync(info))
+                            {
+                                await ctx.SendStreamAsync(strm,HeyRed.Mime.MimeTypesMap.GetMimeType(filename));
+                            }
+                            }else{
+                                 ctx.StatusCode=500;
+                                return;
+                            }
+                       }
+                    }else{
+                         var b = baseCtl as TYTDStorage;
+                            if(b != null)
+                            {
+                                var videoInfo=await b.YoutubeClient.Videos.GetAsync(id1.Value);
+                                await b.WriteVideoInfoAsync(new SavedVideo(videoInfo));
+                            }else{
+                                 ctx.StatusCode=500;
+                                return;
+                            }
+                        i++;
+                        goto alt;
+                    }
+                    
+                }
+
+                }
+                 }
+            }
             else{
                 await NotFoundServer.ServerNull.GetAsync(ctx);
             }
@@ -450,7 +846,7 @@ namespace Tesses.YouTubeDownloader.Server
         public ApiV2Server(IDownloader downloader)
         {
                 this.Downloader=downloader;
-                
+                AddBoth("/Search",Search);
                 AddBoth("/AddItem",AddItem);
                 AddBoth("/AddChannel",AddChannel);
                 AddBoth("/AddUser",AddUser);
@@ -472,6 +868,14 @@ namespace Tesses.YouTubeDownloader.Server
                 Add("/ReplaceList",ReplaceList,"POST");
                 AddBoth("/DeleteList",DeleteList);
                 AddBoth("/SetResolutionInList",SetResolutionInList);
+
+                Add("/export/everything.json",Everything_Export,"GET");
+                Add("/export/videos.json",VideosExport,"GET");
+                Add("/export/playlists.json",PlaylistsExport,"GET");
+                Add("/export/channels.json",ChannelsExport,"GET");
+                Add("/export/filedownloads.json",FilesExport,"GET");
+                Add("/export/subscriptions.json",SubscriptionsExport,"GET");
+                Add("/export/personal_lists.json",PersonalListsExport,"GET");
                 
                 /*
                 public async Task AddToPersonalPlaylistAsync(string name, IEnumerable<(VideoId Id, Resolution Resolution)> items)
@@ -495,6 +899,31 @@ namespace Tesses.YouTubeDownloader.Server
         }*/
         }
 
+        private async Task Search(ServerContext ctx)
+        {
+            var dl = Downloader as IStorage;
+            string q;
+            if(ctx.QueryParams.TryGetFirst("q",out q))
+            {
+                bool getInfoBool=false;
+                string getInfo;
+                if(ctx.QueryParams.TryGetFirst("getinfo",out getInfo))
+                {
+                    if(!bool.TryParse(getInfo,out getInfoBool)) getInfoBool=false;
+                }
+                List<SearchResult> results=new List<SearchResult>();
+                await foreach(var vid in dl.SearchYouTubeAsync(q,getInfoBool))
+                {
+                    results.Add(vid);
+                }
+                if(getInfoBool)
+                {
+                    dl.WaitTillMediaContentQueueEmpty();
+                }
+                await ctx.SendJsonAsync(results);
+            }
+        }
+
         private void AddBoth(string url,HttpActionAsync action)
         {
             Add(url,action);
@@ -541,7 +970,118 @@ namespace Tesses.YouTubeDownloader.Server
                 $"<html><head><title>You Will Be Redirected in 5 Sec</title><meta http-equiv=\"Refresh\" content=\"5; url='../../'\" /></head><body><h1>You Will Be Redirected in 5 Sec</h1></body></html>\n"
             );
         }
-     
+        public async Task Everything_Export(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportEverythingAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task VideosExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportVideosAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task PlaylistsExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportPlaylistsAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task ChannelsExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportChannelsAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task FilesExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportDownloadsAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task SubscriptionsExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportSubscriptionsAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
+        public async Task PersonalListsExport(ServerContext ctx)
+        {
+            var storage = Downloader as TYTDStorage;
+            if(storage != null)
+            {
+                if(storage.GetLoggerProperties().AllowExport)
+                {
+                    TYTDExporter exporter=new TYTDExporter(storage);
+                    var res=await exporter.ExportPersonalPlaylistsAsync();
+                    await ctx.SendJsonAsync(res);
+                }else{
+                    ctx.StatusCode=403;
+                    await ctx.SendTextAsync("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><title>Can't Export, Access Denied</title></head><body><h1>Can't Export, Access Denied</h1><p>Call the TYTD adminstrator if you are not the administrator to edit the following</p><hr><p>In file: <i><b>config/tytdprop.json</b></i>, unless overriden in code<br>Change <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">false</font> with <font color=\"#ce9178\">&quot;AllowExport&quot;</font>:<font color=\"#569cd6\">true</font></p></body></html>");
+                }
+            }
+        }
         public async Task AddToList(ServerContext ctx)
         {
             

Tesses.YouTubeDownloader.Server/Tesses.YouTubeDownloader.Server.csproj

@@ -11,7 +11,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
      <IsPackable>true</IsPackable>
-      
+      <LangVersion>8.0</LangVersion>
       <PackageId>Tesses.YouTubeDownloader.Server</PackageId>
     <Author>Mike Nolan</Author>
     <Company>Tesses</Company>

Tesses.YouTubeDownloader/DownloadLoop.cs

@@ -17,7 +17,7 @@ namespace Tesses.YouTubeDownloader
 {
     public abstract partial class TYTDStorage
     {
-        
+  
         private async Task DownloadLoop(CancellationToken token = default(CancellationToken))
         {
             while (!token.IsCancellationRequested)
@@ -549,7 +549,7 @@ namespace Tesses.YouTubeDownloader
            
             bool ret=false;
             var streams = await BestStreamInfo.GetBestStreams(this, video.Id, token, false); 
-            if(!can_download) return false;
+            
             if(streams != null)
             {
                 if(streams.VideoFrozen)
@@ -562,6 +562,7 @@ namespace Tesses.YouTubeDownloader
 
                 if(await Continue(complete))
                 {
+                    if(!can_download) return false;
                     streams = await BestStreamInfo.GetBestStreams(this,video.Id,token);
                     if(streams != null)
                     {
@@ -649,19 +650,20 @@ namespace Tesses.YouTubeDownloader
             
             bool ret=false;
             var streams = await BestStreamInfo.GetBestStreams(this, video.Id, token, false);
-            if(!can_download) return false;
+            
             if(streams != null)
             {
                 if(streams.VideoFrozen)
                 {
                     throw new Exception($"[TYTD Specific Error] Video is frozen, we wont do anything with the video.\nplease set \"VideoFrozen\": false in the file \"Info/{video.Id}.json\" to fix this problem");
                 }
+                
                 string complete = $"AudioOnly/{video.Id}.{streams.AudioOnlyStreamInfo.Container}";
                 string incomplete = $"AudioOnly/{video.Id}incomplete.{streams.AudioOnlyStreamInfo.Container}";
                 await MoveLegacyStreams(video,streams);
                 if(await Continue(complete))
                 {
-                    
+                    if(!can_download) return false;
                     streams = await BestStreamInfo.GetBestStreams(this,video.Id,token);
                     if(streams != null)
                     {

Tesses.YouTubeDownloader/Export.cs

@@ -0,0 +1,128 @@
+using Newtonsoft.Json;
+using YoutubeExplode.Videos.Streams;
+using System.Linq;
+using System;
+using System.Threading.Tasks;
+using YoutubeExplode.Videos;
+using System.Threading;
+using YoutubeExplode.Exceptions;
+using System.Collections.Generic;
+
+namespace Tesses.YouTubeDownloader
+{
+    public class TYTDExporter
+    {
+        ITYTDBase _base;
+        string _tytd_tag;
+        public TYTDExporter(ITYTDBase baseCtl)
+        {
+            _tytd_tag=TYTDStorage.TYTDTag;
+            _base=baseCtl;
+        }
+
+        public async Task<EverythingExport> ExportEverythingAsync()
+        {
+            EverythingExport everythingExport=new EverythingExport();
+            everythingExport.Videos=await ExportVideosAsync();
+            everythingExport.Playlists = await ExportPlaylistsAsync();
+            everythingExport.Channels = await ExportChannelsAsync();
+            everythingExport.DownloadedFiles=await ExportDownloadsAsync();
+            everythingExport.Subscriptions= await ExportSubscriptionsAsync();
+            everythingExport.PersonalPlaylists=await ExportPersonalPlaylistsAsync();
+            everythingExport.TYTDTag = _tytd_tag;
+            return everythingExport;
+        }
+        public async Task<List<SavedVideo>> ExportVideosAsync()
+        {
+            List<SavedVideo> videos=new List<SavedVideo>();
+            await foreach(var item in _base.GetVideosAsync())
+            {
+                videos.Add(item);
+            }
+            return videos;
+        }
+        public async Task<List<SavedPlaylist>> ExportPlaylistsAsync()
+        {
+            List<SavedPlaylist> videos=new List<SavedPlaylist>();
+            await foreach(var item in _base.GetPlaylistsAsync())
+            {
+                videos.Add(item);
+            }
+            return videos;
+        }
+        public async Task<List<SavedChannel>> ExportChannelsAsync()
+        {
+            List<SavedChannel> videos=new List<SavedChannel>();
+            await foreach(var item in _base.GetChannelsAsync())
+            {
+                videos.Add(item);
+            }
+            return videos;
+        }
+        public async Task<List<SavedVideo>> ExportDownloadsAsync()
+        {
+            List<SavedVideo> videos=new List<SavedVideo>();
+            await foreach(var item in _base.GetDownloadsAsync())
+            {
+                videos.Add(item);
+            }
+            return videos;
+        }
+        public async Task<List<Subscription>> ExportSubscriptionsAsync()
+        {
+            List<Subscription> subs=new List<Subscription>();
+           var dler = _base as IDownloader;
+           if(dler != null)
+           {
+               await foreach(var item in dler.GetSubscriptionsAsync())
+               {
+                    subs.Add(item);
+               }
+           }
+           return subs;
+        }
+        public async Task<List<PersonalPlaylist>> ExportPersonalPlaylistsAsync()
+        {
+            List<PersonalPlaylist> playlists=new List<PersonalPlaylist>();
+            await foreach(var item in _base.GetPersonalPlaylistsAsync())
+            {
+                PersonalPlaylist personalPlaylist=new PersonalPlaylist();
+                personalPlaylist.Name=item;
+                personalPlaylist.Items=new List<ListContentItem>();
+                await foreach(var item2 in _base.GetPersonalPlaylistContentsAsync(item))
+                {
+                    personalPlaylist.Items.Add(item2);
+                }
+                playlists.Add(personalPlaylist);
+            }
+
+            return playlists;
+        }
+
+
+    }
+
+    public class EverythingExport
+    {
+        public string TYTDTag {get;set;}
+        public List<SavedVideo> Videos {get;set;}
+
+        public List<SavedPlaylist> Playlists {get;set;}
+
+        public List<SavedChannel> Channels {get;set;}
+
+        public List<SavedVideo> DownloadedFiles {get;set;}
+
+        public List<Subscription> Subscriptions {get;set;}
+
+        public List<PersonalPlaylist> PersonalPlaylists {get;set;}
+        
+    }
+
+    public class PersonalPlaylist
+    {
+        public string Name {get;set;}
+
+        public List<ListContentItem> Items {get;set;}
+    }
+}

Tesses.YouTubeDownloader/IStorage.cs

@@ -15,6 +15,8 @@ namespace Tesses.YouTubeDownloader
 {
     public interface IStorage : IWritable, IDownloader, ITYTDBase
     { 
+        void WaitTillMediaContentQueueEmpty();
+        
         Task WriteBestStreamInfoAsync(VideoId id,BestStreamInfo.BestStreamsSerialized serialized);
         Task<bool> MuxVideosAsync(SavedVideo video,string videoSrc,string audioSrc,string videoDest,IProgress<double> progress=null,CancellationToken token=default(CancellationToken));
         Task<bool> Continue(string path);

Tesses.YouTubeDownloader/ITYTDBase.cs

@@ -15,6 +15,11 @@ namespace Tesses.YouTubeDownloader
 {
     public interface ITYTDBase : IPersonalPlaylistGet
     {
+        
+        IAsyncEnumerable<string> GetDownloadUrlsAsync();
+        IAsyncEnumerable<SavedVideo> GetDownloadsAsync();
+        Task<SavedVideo> GetDownloadInfoAsync(string url);
+        bool DownloadExists(string path);
         Task<BestStreamInfo.BestStreamsSerialized> GetBestStreamInfoAsync(VideoId id);
         bool BestStreamInfoExists(VideoId id);
         IAsyncEnumerable<string> GetPersonalPlaylistsAsync();

Tesses.YouTubeDownloader/Logging.cs

@@ -35,17 +35,27 @@ namespace Tesses.YouTubeDownloader
     }
     public partial class TYTDStorage 
     {
+       
+        protected virtual LoggerProperties ReadLoggerProperties()
+        {
+              string data=ReadAllTextAsync("config/tytdprop.json").GetAwaiter().GetResult();
+                return JsonConvert.DeserializeObject<LoggerProperties>(data);
+        }
+        protected virtual bool LoggerPropertiesExists
+        {
+            get{
+            return FileExists("config/tytdprop.json");
+            }
+        }
+
         public event EventHandler<TYTDErrorEventArgs> Error;
         internal  LoggerProperties Properties {get;set;}
            public LoggerProperties GetProperties()
         {
-           CreateDirectoryIfNotExist("config");
+          
-           CreateDirectoryIfNotExist("config/logs");
+            if(LoggerPropertiesExists)
-            
-            if(FileExists("config/tytdprop.json"))
             {
-                string data=ReadAllTextAsync("config/tytdprop.json").GetAwaiter().GetResult();
+                return ReadLoggerProperties();
-                return JsonConvert.DeserializeObject<LoggerProperties>(data);
             }else{
                 LoggerProperties prop=new LoggerProperties();
                 prop.AddDateInLog=true;
@@ -55,6 +65,8 @@ namespace Tesses.YouTubeDownloader
                 prop.UseLogs=true;
                 prop.SubscriptionInterval=TimeSpan.FromHours(1);
                 prop.AlwaysDownloadChannel = false;
+                prop.AllowExport=false;
+               
                 return prop;
             }
         }
@@ -64,6 +76,7 @@ namespace Tesses.YouTubeDownloader
             {
                 Properties=GetProperties();
             }
+            
             return  Properties;
         }
         internal static LockObj o=new LockObj();
@@ -83,6 +96,7 @@ namespace Tesses.YouTubeDownloader
     }
     public class LoggerProperties
     {
+        public bool AllowExport {get;set;}
         public bool AlwaysDownloadChannel {get;set;}
         public TimeSpan SubscriptionInterval {get;set;}
 
@@ -96,6 +110,8 @@ namespace Tesses.YouTubeDownloader
 
 
         public bool AddDateInLog {get;set;}
+
+        
     }
     public class Logger
     {

Tesses.YouTubeDownloader/SavedVideo.cs

@@ -14,6 +14,7 @@ namespace Tesses.YouTubeDownloader
 {
     public class VideoDownloadProgress
     {
+       
         public SavedVideo Saved { get; set; }
 
         public Resolution Resolution {get;set;}
@@ -24,7 +25,7 @@ namespace Tesses.YouTubeDownloader
     }
     public class SavedVideoLegacy
     {
-      
+        
         
         public string Id {get;set;}
         public string Title {get;set;}
@@ -69,6 +70,7 @@ namespace Tesses.YouTubeDownloader
     {
         public SavedVideo()
         {
+            TYTDTag="";
             Id = "";
             Title = "";
             AuthorChannelId = "";
@@ -88,6 +90,7 @@ namespace Tesses.YouTubeDownloader
 
         public SavedVideo(Video video)
         {
+            TYTDTag=TYTDStorage.TYTDTag;
             Id=video.Id;
             Title = video.Title;
             AuthorChannelId = video.Author.ChannelId;
@@ -104,6 +107,8 @@ namespace Tesses.YouTubeDownloader
             DownloadFrom="YouTube";
             VideoFrozen=false;
         }
+
+         public string TYTDTag {get;set;}
         public bool LegacyVideo {get;set;}
           public bool VideoFrozen {get;set;}
         
@@ -260,6 +265,7 @@ namespace Tesses.YouTubeDownloader
     {
         public SavedPlaylist()
         {
+            TYTDTag="";
             Title = "";
             AuthorChannelId="";
             AuthorTitle="";
@@ -269,6 +275,7 @@ namespace Tesses.YouTubeDownloader
         }
         public SavedPlaylist(Playlist playlist,List<IVideo> videos)
         {
+            TYTDTag=TYTDStorage.TYTDTag;
             Title = playlist.Title;
             AuthorChannelId = playlist.Author.ChannelId;
             AuthorTitle=playlist.Author.ChannelTitle;
@@ -315,6 +322,7 @@ namespace Tesses.YouTubeDownloader
         public string Id { get; set; }
         public string Description { get; set; }
         public string Title { get; set; }
+         public string TYTDTag {get;set;}
     }
     public class SavedChannel
     {
@@ -322,12 +330,13 @@ namespace Tesses.YouTubeDownloader
         {
             Id=c.Id;
             Title=c.Title;
-        
+            TYTDTag=TYTDStorage.TYTDTag;
         }
         public SavedChannel()
         {
             Id="";
             Title="";
+            TYTDTag="";
         }
         public async IAsyncEnumerable<SavedVideo> GetVideosAsync(TYTDBase baseCls)
         {
@@ -354,6 +363,6 @@ namespace Tesses.YouTubeDownloader
         }
         public string Id { get; set; }
         public string Title { get; set; }
-
+         public string TYTDTag {get;set;}
     }
 }

Tesses.YouTubeDownloader/TYTD.cs

@@ -41,7 +41,14 @@ namespace Tesses.YouTubeDownloader
                 await s.WriteAsync(data,0,data.Length,token);
             }
         }
-
+         public static string TYTDTag {get {return _tytd_tag;}}
+         private static string _tytd_tag=_getTYTDTag();
+         private static string _getTYTDTag()
+         {
+            string tag=Environment.GetEnvironmentVariable("TYTD_TAG");
+            if(string.IsNullOrWhiteSpace(tag)) return "UnknownPC";
+            return tag;
+         }
         bool can_download=true;
         public bool CanDownload {get {return can_download;} set {can_download=value;}}
          public IExtensionContext ExtensionContext {get;set;}

Tesses.YouTubeDownloader/TYTDBase.cs

@@ -11,6 +11,8 @@ using System.IO;
 
 using YoutubeExplode.Playlists;
 using YoutubeExplode.Channels;
+using YoutubeExplode.Search;
+
 namespace Tesses.YouTubeDownloader
 {
   
@@ -206,6 +208,8 @@ namespace Tesses.YouTubeDownloader
             return JsonConvert.DeserializeObject<SavedVideo>(await ReadAllTextAsync(enc));
 
         }
+        
+
         public virtual bool DownloadExists(string url)
         {
             string enc=$"FileInfo/{B64.Base64UrlEncodes(url)}.json";
@@ -321,9 +325,95 @@ namespace Tesses.YouTubeDownloader
             return (VideoId.Parse(item.Id),item.Resolution);
         }
     }
+    public enum MediaType 
+    {
+        Video=0,
+        Playlist=1,
+        Channel=2,
 
+
+    }
+    public class SearchResult
+    {
+        
+        public SearchResult()
+        {
+            Title="";
+            Id="";
+            Type=MediaType.Video;
+        }
+        public SearchResult(ISearchResult result)
+        {
+            var video = result as VideoSearchResult;
+            var playlist = result as PlaylistSearchResult;
+            var channel = result as ChannelSearchResult;
+            if(video != null)
+            {
+                Id=video.Id;
+                Title = video.Title;
+                Type=MediaType.Video;
+            }
+             if(playlist != null)
+            {
+                Id=playlist.Id;
+                Title=playlist.Title;
+                Type=MediaType.Playlist;
+            }
+             if(channel != null)
+            {
+                Id=channel.Id;
+                Title = channel.Title;
+                Type=MediaType.Channel;
+            }
+        }
+       
+        public string Title {get;set;}
+        public string Id {get;set;}
+       
+        public MediaType Type {get;set;}   
+
+        public void AddToQueue(IStorage storage)
+        {
+            switch(Type)
+            {
+                case MediaType.Video:
+                    storage.AddVideoAsync(Id,Resolution.NoDownload);
+                    break;
+                case MediaType.Playlist:
+                    storage.AddPlaylistAsync(Id,Resolution.NoDownload);
+                    break;
+                case MediaType.Channel:
+                    storage.AddChannelAsync(Id,Resolution.NoDownload);
+                    break;
+            }
+        }
+    }
     public static class TYTDManager
     {
+        public static async IAsyncEnumerable<SearchResult> SearchYouTubeAsync(this IStorage  storage,  string query,bool getMediaInfo=true)
+        {
+            await foreach(var vid in storage.YoutubeClient.Search.GetResultsAsync(query))
+            {
+                var res=new SearchResult(vid);
+                if(getMediaInfo)
+                {
+                    res.AddToQueue(storage);
+                }
+                yield return res;
+            }
+        }
+        public static bool DownloadFileExists(this ITYTDBase baseCtl,string url)
+        {
+            return baseCtl.FileExists(GetDownloadFile(url));
+        }
+        public static string GetDownloadFile(this ITYTDBase baseCtl,string url)
+        {
+            return GetDownloadFile(url);
+        }
+        public static string GetDownloadFile(string url)
+        {
+            return $"Download/{B64.Base64UrlEncodes(url)}.bin";
+        }
         /// <summary>
         /// Add Video, Playlist, Channel Or Username
         /// </summary>

Tesses.YouTubeDownloader/TYTDIDownloaderStorageProxy.cs

@@ -292,7 +292,10 @@ namespace Tesses.YouTubeDownloader
                e.CreateDirectoryIfNotExist(path);
             });
         }
-
+        public void WaitTillMediaContentQueueEmpty()
+        {
+            StorageAsStorage((e)=>e.WaitTillMediaContentQueueEmpty());
+        }
         public Logger GetLogger()
         {
             Logger logger=null;
@@ -676,21 +679,41 @@ namespace Tesses.YouTubeDownloader
 
         public async Task<BestStreamInfo.BestStreamsSerialized> GetBestStreamInfoAsync(VideoId id)
         {
-            BestStreamInfo.BestStreamsSerialized s=null;
+            return await Storage.GetBestStreamInfoAsync(id);   
-            await StorageAsStorageAsync(async(e)=>{
-                s=await e.GetBestStreamInfoAsync(id);
-            });
-            
-            return s;
         }
 
         public bool BestStreamInfoExists(VideoId id)
         {
-            bool res=false;
+            
-            StorageAsStorage((e)=>{
+            return Storage.BestStreamInfoExists(id);
-                res=e.BestStreamInfoExists(id);
+        }
-            });
+        public bool DownloadExists(string p)
-            return res;
+        {
+            
+            return Storage.DownloadExists(p);
+        }
+
+        public async IAsyncEnumerable<string> GetDownloadUrlsAsync()
+        {
+            await foreach(var url in Storage.GetDownloadUrlsAsync())
+            {
+                yield return url;
+            }
+        }
+
+        
+        
+        public async IAsyncEnumerable<SavedVideo> GetDownloadsAsync()
+        {
+            await foreach(var item in Storage.GetDownloadsAsync())
+            {
+                yield return item;
+            }
+        }
+
+        public async Task<SavedVideo> GetDownloadInfoAsync(string url)
+        {
+            return await Storage.GetDownloadInfoAsync(url);
         }
     }
 

Tesses.YouTubeDownloader/VideoQueue.cs

@@ -35,6 +35,19 @@ namespace Tesses.YouTubeDownloader
         List<Subscription> Subscriptions {get;set;}
         List<(SavedVideo Video, Resolution Resolution)> QueueList = new List<(SavedVideo Video, Resolution Resolution)>();
         List<IMediaContext> Temporary =new List<IMediaContext>();
+
+        public void WaitTillMediaContentQueueEmpty()
+        {
+            while(true)
+            {
+                lock(Temporary)
+                {
+                    if(Temporary.Count <= 0) return;
+                }
+                Thread.Sleep(100);
+            }
+        }
+        
         private async Task QueueLoop(CancellationToken token)
         {