Files now named for chapter. Prepended with chapter number for easy sorting and playing.

Program.cs

@@ -13,7 +13,8 @@ namespace SBT_Downloader
             {
                 var parsed = Args.Parse<MyArgs>(args);
                 Console.WriteLine("Downloading book now...");
-                DownloadBook(parsed.Har);
+                (List<string> mp3Urls, List<string> chapters) = ParseHar(parsed.Har);
+                DownloadMp3s(mp3Urls, chapters);
             }
             catch (ArgException ex)
             {
@@ -22,23 +23,74 @@ namespace SBT_Downloader
             }
         }
 
-        static void DownloadBook(string fileName)
+        static (List<string> mp3Urls, List<string> chapters) ParseHar(string har)
         {
-            string harContents = LoadHar(fileName);
-            JObject harObject = JObject.Parse(harContents);
-            List<string> mp3Urls = ParseUrls(harObject);
-            _ = DownloadMp3sAsync(mp3Urls);
+            try
+            {
+                string harContents = LoadHar(har);
+                JObject harObject = JObject.Parse(harContents);
+                List<JToken?> requestObjects = ParseRequests(harObject);
+                List<string> mp3Urls = ParseUrls(requestObjects);
+                List<string> chapters = ParseChapters(mp3Urls);
+                return (mp3Urls, chapters);
+
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+                Environment.Exit(0);
+                return (new List<string>(), new List<string>());
+            }
         }
 
-        private static async Task DownloadMp3sAsync(List<string> mp3Urls)
+        private static List<JToken?> ParseRequests(JObject harObject)
         {
-            int fileNumber = 1;
+            List<JToken?> requests = harObject["log"]["entries"]
+                .Where(x => x.SelectToken("_resourceType").ToString() == "media")
+                .Select(y => y.SelectToken("request"))
+                .DistinctBy(z => z.SelectToken("url")).ToList();
+
+            return requests;
+        }
+
+        private static List<string> ParseChapters(List<string> mp3Urls)
+        {
+            List<string> chapters = new();
+            foreach (string url in mp3Urls)
+            {
+                Uri uri = new(url);
+                string fixedUri = uri.AbsoluteUri.Replace(uri.Query, string.Empty);
+                List<string> urlTokens = fixedUri.Split("/").ToList();
+                string series = urlTokens[5];
+                string title = urlTokens[6];
+                string episode = urlTokens[7];
+                var chapterTokens = urlTokens.Last().Split("_").ToList();
+                chapterTokens.RemoveRange(0,5);
+                string chapterLastToken = chapterTokens.Last().Split(".").First();
+                chapterTokens[chapterTokens.Count - 1] = chapterLastToken;
+                chapters.Add(string.Join(" ", chapterTokens));
+            }
+
+            return chapters;
+        }
+
+        static List<string> ParseUrls(List<JToken> requestList)
+        {
+            List<string> urls = requestList.Select(x => x.SelectToken("url").ToString()).ToList();
+
+            Console.WriteLine(urls.Count + " total requests");
+
+            return urls;
+        }
+
+        private static void DownloadMp3s(List<string> mp3Urls, List<string> chapters)
+        {
+            int index = 0;
             foreach (string url in mp3Urls)
             {
                 using var client = new WebClient();
-                client.DownloadFile(url, "file" + fileNumber + ".mp3");
-                Console.WriteLine("Downloading  file #" +  fileNumber);
-                fileNumber++;
+                client.DownloadFile(url, $"{index} {chapters[index]}.mp3");
+                Console.WriteLine("Downloading file #" + ++index);
             }
         }
 
@@ -60,18 +112,5 @@ namespace SBT_Downloader
             }
         }
 
-        static List<string> ParseUrls(JObject harObject)
-        {
-            List<string> urls = harObject["log"]["entries"]
-                .Where(x => x.SelectToken("_resourceType").ToString() == "media")
-                .Select(y => y.SelectToken("request"))
-                .DistinctBy(z => z.SelectToken("url"))
-                .Select(x => x.SelectToken("url").ToString()).ToList();
-
-            Console.WriteLine(urls.Count + " total requests");
-
-            return urls;
-        }
-
     }
 }

Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "SBT Downloader": {
       "commandName": "Project",
-      "commandLineArgs": "-har \"C:\\Repos\\sbt-downloader\\soundbooththeater.com.har\""
+      "commandLineArgs": "-har \"C:\\Repos\\sbt-downloader\\episode2.soundbooththeater.com.har\""
     }
   }
 }