2023.10.4.0

YT: file name is missing when destination is changed by selecting one of the saved locations; missing files still appear in the list
API.UserDataBase: hide 'OperationCanceledException' and 'ObjectDisposedException'
API.Reddit: unable to save settings without OAuth data
TDownloader: 'ReconfPool'
MainFrame: replace 'DownloadQueue.FormShow' with 'ShowDownloadQueueForm'
SettingsHost: add a notification if the user has disabled downloading from the site

SCrawler/API/Base/UserDataBase.vb

@@ -1305,6 +1305,10 @@ BlockNullPicture:
                 DownloadSingleObject_CreateMedia(Data, Token)
                 DownloadSingleObject_Download(Data, Token)
                 DownloadSingleObject_PostProcessing(Data)
+            Catch oex As OperationCanceledException When Token.IsCancellationRequested
+                Data.DownloadState = UserMediaStates.Missing
+                ErrorsDescriber.Execute(EDP.SendToLog, oex, $"{Site} download canceled: {Data.URL}")
+            Catch dex As ObjectDisposedException When Disposed
             Catch ex As Exception
                 Data.DownloadState = UserMediaStates.Missing
                 ErrorsDescriber.Execute(EDP.SendToLog, ex, $"{Site} single data downloader error: {Data.URL}")

SCrawler/API/Reddit/SiteSettings.vb

@@ -238,7 +238,7 @@ Namespace API.Reddit
                 For i% = 0 To p.Count - 1
                     If CStr(p(i).Value).IsEmptyString Then wrong.Add(p(i).Name)
                 Next
-                If wrong.Count > 0 Then
+                If wrong.Count > 0 And wrong.Count <> 4 Then
                     MsgBoxE({$"You have not completed the following fields: {wrong.ListToString}." & vbCr &
                             "To use OAuth authorization, all authorization fields must be filled in.", "Validate token fields"}, vbCritical)
                     Return False

SCrawler/Download/TDownloader.vb

@@ -303,32 +303,40 @@ Namespace DownloadObjects
         End Sub
 #End Region
 #Region "Pool"
-        Friend Sub ReconfPool()
-            If Pool.Count = 0 OrElse Not Pool.Exists(Function(j) j.Working Or j.Count > 0) Then
-                Dim i%
-                Pool.ListClearDispose
-                If Settings.Plugins.Count > 0 Then
-                    Pool.Add(New Job(Download.Main))
-                    For Each p As PluginHost In Settings.Plugins
-                        If p.Settings.IsSeparatedTasks Then
-                            Pool.Add(New Job(Download.Main))
-                            Pool.Last.AddHost(p.Settings)
-                        ElseIf Not p.Settings.TaskGroupName.IsEmptyString Then
-                            i = -1
-                            If Pool.Count > 0 Then i = Pool.FindIndex(Function(pt) pt.GroupName = p.Settings.TaskGroupName)
-                            If i >= 0 Then
-                                Pool(i).AddHost(p.Settings)
-                            Else
-                                Pool.Add(New Job(Download.Main, p.Settings.TaskGroupName))
+        Friend Sub ReconfPool(Optional ByVal Round As Integer = 0)
+            Try
+                If Pool.Count = 0 OrElse Not Pool.Exists(Function(j) j.Working Or j.Count > 0) Then
+                    Dim i%
+                    Pool.ListClearDispose
+                    If Settings.Plugins.Count > 0 Then
+                        Pool.Add(New Job(Download.Main))
+                        For Each p As PluginHost In Settings.Plugins
+                            If p.Settings.IsSeparatedTasks Then
+                                Pool.Add(New Job(Download.Main))
                                 Pool.Last.AddHost(p.Settings)
+                            ElseIf Not p.Settings.TaskGroupName.IsEmptyString Then
+                                i = -1
+                                If Pool.Count > 0 Then i = Pool.FindIndex(Function(pt) pt.GroupName = p.Settings.TaskGroupName)
+                                If i >= 0 Then
+                                    Pool(i).AddHost(p.Settings)
+                                Else
+                                    Pool.Add(New Job(Download.Main, p.Settings.TaskGroupName))
+                                    Pool.Last.AddHost(p.Settings)
+                                End If
+                            Else
+                                Pool(0).AddHost(p.Settings)
                             End If
-                        Else
-                            Pool(0).AddHost(p.Settings)
-                        End If
-                    Next
+                        Next
+                    End If
+                    RaiseEvent Reconfigured()
                 End If
-                RaiseEvent Reconfigured()
-            End If
+            Catch ex As Exception
+                If Round = 0 Then
+                    ReconfPool(Round + 1)
+                Else
+                    Throw ex
+                End If
+            End Try
         End Sub
 #End Region
 #Region "Thread"

SCrawler/MainFrame.vb

@@ -423,7 +423,19 @@ CloseResume:
         InfoForm.FormShow(EDP.LogMessageValue)
     End Sub
     Private Sub MENU_INFO_SHOW_QUEUE_Click(sender As Object, e As EventArgs) Handles MENU_INFO_SHOW_QUEUE.Click
-        DownloadQueue.FormShow(EDP.LogMessageValue)
+        ShowDownloadQueueForm()
+    End Sub
+    Private Sub ShowDownloadQueueForm(Optional ByVal Round As Integer = 0)
+        Try
+            DownloadQueue.FormShow(EDP.LogMessageValue)
+        Catch ex As Exception
+            If Round = 0 Then
+                If Not DownloadQueue Is Nothing Then DownloadQueue.Dispose() : DownloadQueue = Nothing
+                ShowDownloadQueueForm(Round + 1)
+            Else
+                ErrorsDescriber.Execute(EDP.SendToLog, ex, "ShowDownloadQueueForm")
+            End If
+        End Try
     End Sub
     Private Sub MENU_INFO_SHOW_MISSING_Click(sender As Object, e As EventArgs) Handles MENU_INFO_SHOW_MISSING.Click
         MyMissingPosts.FormShow(EDP.LogMessageValue)

SCrawler/PluginsEnvironment/Hosts/SettingsHost.vb

@@ -331,6 +331,7 @@ Namespace Plugin.Hosts
                 End If
                 Return _AvailableValue
             Else
+                If Not Silent Then MsgBoxE({$"Downloading data for the site {Name} has been disabled by you.", $"{Name} downloading disabled"}, vbExclamation)
                 Return False
             End If
         End Function