Downloads all files, names them in chapter order, writes metdata tags

MyArgs.cs

@@ -5,10 +5,19 @@ namespace SBT_Downloader
     [TabCompletion]
     public class MyArgs
     {
-        // This argument is required and if not specified the user 
+        [ArgRequired(PromptIfMissing = false), ArgShortcut("-a")]
-        // will be prompted. It has the short '-h', but tab completion
+        public string Author { get; set; }
-        // Is support
+
         [ArgRequired(PromptIfMissing = true), ArgShortcut("-h")]
         public string Har { get; set; }
+
+        [ArgRequired(PromptIfMissing = false), ArgShortcut("-n")]
+        public string Narrator { get; set; }
+
+        [ArgRequired(PromptIfMissing = true), ArgShortcut("-t")]
+        public string Title { get; set; }
+
+        [ArgShortcut("-s")]
+        public string Series { get; set; }
     }
 }

Program.cs

@@ -14,7 +14,7 @@ namespace SBT_Downloader
                 var parsed = Args.Parse<MyArgs>(args);
                 Console.WriteLine("Downloading book now...");
                 (List<string> mp3Urls, List<string> chapters) = ParseHar(parsed.Har);
-                DownloadMp3s(mp3Urls, chapters);
+                DownloadMp3s(mp3Urls, chapters, parsed);
             }
             catch (ArgException ex)
             {
@@ -61,9 +61,9 @@ namespace SBT_Downloader
                 Uri uri = new(url);
                 string fixedUri = uri.AbsoluteUri.Replace(uri.Query, string.Empty);
                 List<string> urlTokens = fixedUri.Split("/").ToList();
-                string series = urlTokens[5];
+                //string series = urlTokens[5];
-                string title = urlTokens[6];
+                //string title = urlTokens[6];
-                string episode = urlTokens[7];
+                //string episode = urlTokens[7];
                 var chapterTokens = urlTokens.Last().Split("_").ToList();
                 chapterTokens.RemoveRange(0,5);
                 string chapterLastToken = chapterTokens.Last().Split(".").First();
@@ -83,17 +83,37 @@ namespace SBT_Downloader
             return urls;
         }
 
-        private static void DownloadMp3s(List<string> mp3Urls, List<string> chapters)
+        private static void DownloadMp3s(List<string> mp3Urls, List<string> chapters, MyArgs arguments)
         {
             int index = 0;
             foreach (string url in mp3Urls)
             {
+                string chapterName = chapters[index];
+                index++;
+                string fileName = $"{index} {chapterName}.mp3";
                 using var client = new WebClient();
-                client.DownloadFile(url, $"{index} {chapters[index]}.mp3");
+                Console.WriteLine("Downloading file #" + index);
-                Console.WriteLine("Downloading file #" + ++index);
+                client.DownloadFile(url, fileName);
+                TagFile(chapterName, index, chapters.Count, arguments);
             }
         }
 
+        private static void TagFile(string chapterName, int index, int chapterCount, MyArgs arguments)
+        {
+            var file = TagLib.File.Create($"{index} {chapterName}.mp3");
+
+            file.Tag.Album = arguments.Title.IsNullOrEmpty() ? string.Empty : arguments.Title;
+            List<string> artistsList = new List<string>();
+            if (!arguments.Author.IsNullOrEmpty())  artistsList.Add(arguments.Author);
+            if (!arguments.Narrator.IsNullOrEmpty()) artistsList.Add(arguments.Narrator);
+            file.Tag.AlbumArtists = artistsList.ToArray();
+            file.Tag.Title = chapterName;
+            file.Tag.Track = (uint)index;
+            file.Tag.TrackCount = (uint)chapterCount;
+
+            file.Save();
+        }
+
         static string LoadHar(string harFileName)
         {
             string harContents;

Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "SBT Downloader": {
       "commandName": "Project",
-      "commandLineArgs": "-har \"C:\\Repos\\sbt-downloader\\episode2.soundbooththeater.com.har\""
+      "commandLineArgs": "-har \"C:\\Repos\\sbt-downloader\\episode8.soundbooththeater.com.har\" -a \"Matt Dinniman\" -n \"Jeff Hays\" -t \"Episode 8: A BETRAYAL MOST FOUL\""
     }
   }
 }

SBT Downloader.csproj

@@ -11,6 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="PowerArgs" Version="4.0.3" />
+    <PackageReference Include="TagLibSharp" Version="2.3.0" />
   </ItemGroup>
 
 </Project>