Fix startup issue/issue with existing chapters: ProgressToken would not complete

Fix pages staying open when page could not be loaded.

Tranga/MangaConnectors/ChromiumDownloadClient.cs

@@ -8,13 +8,12 @@ namespace Tranga.MangaConnectors;
 
 internal class ChromiumDownloadClient : DownloadClient
 {
-    private IBrowser browser { get; set; }
+    private static readonly IBrowser Browser = StartBrowser().Result;
-    private const int StartTimeoutMs = 30000;
+    private const int StartTimeoutMs = 10000;
     private readonly HttpDownloadClient _httpDownloadClient;
     
-    private async Task<IBrowser> StartBrowser()
+    private static async Task<IBrowser> StartBrowser()
     {
-        Log($"Starting Browser. ({StartTimeoutMs}ms timeout)");
         return await Puppeteer.LaunchAsync(new LaunchOptions
         {
             Headless = true,
@@ -29,7 +28,6 @@ internal class ChromiumDownloadClient : DownloadClient
 
     public ChromiumDownloadClient(GlobalBase clone) : base(clone)
     {
-        this.browser = StartBrowser().Result;
         _httpDownloadClient = new(this);
     }
 
@@ -43,7 +41,7 @@ internal class ChromiumDownloadClient : DownloadClient
 
     private RequestResult MakeRequestBrowser(string url, string? referrer = null, string? clickButton = null)
     {
-        IPage page = this.browser.NewPageAsync().Result;
+        IPage page = Browser.NewPageAsync().Result;
         page.DefaultTimeout = 10000;
         IResponse response;
         try
@@ -54,6 +52,7 @@ internal class ChromiumDownloadClient : DownloadClient
         catch (Exception e)
         {
             Log($"Could not load Page:\n{e.Message}");
+            page.CloseAsync();
             return new RequestResult(HttpStatusCode.InternalServerError, null, Stream.Null);
         }
 
@@ -84,9 +83,4 @@ internal class ChromiumDownloadClient : DownloadClient
         page.CloseAsync();
         return new RequestResult(response.Status, document, stream, false, "");
     }
-
-    public override void Close()
-    {
-        this.browser.CloseAsync();
-    }
 }

Tranga/MangaConnectors/DownloadClient.cs

@@ -41,5 +41,4 @@ internal abstract class DownloadClient : GlobalBase
     }
 
     internal abstract RequestResult MakeRequestInternal(string url, string? referrer = null, string? clickButton = null);
-    public abstract void Close();
 }

Tranga/MangaConnectors/HttpDownloadClient.cs

@@ -72,9 +72,4 @@ internal class HttpDownloadClient : DownloadClient
 
         return new RequestResult(response.StatusCode, document, stream);
     }
-
-    public override void Close()
-    {
-        Log("Closing.");
-    }
 }

Tranga/MangaConnectors/MangaConnector.cs

@@ -15,11 +15,6 @@ public abstract class MangaConnector : GlobalBase
 {
     internal DownloadClient downloadClient { get; init; } = null!;
 
-    public void StopDownloadClient()
-    {
-        downloadClient.Close();
-    }
-
     protected MangaConnector(GlobalBase clone, string name) : base(clone)
     {
         this.name = name;
@@ -234,7 +229,10 @@ public abstract class MangaConnector : GlobalBase
                 Directory.CreateDirectory(directoryPath);
 
         if (File.Exists(saveArchiveFilePath)) //Don't download twice.
+        {
+            progressToken?.Complete();
             return HttpStatusCode.Created;
+        }
         
         //Create a temporary folder to store images
         string tempFolder = Directory.CreateTempSubdirectory("trangatemp").FullName;