Cleanup

DiscordChatExporter.Gui/ViewModels/Components/DashboardViewModel.cs

@@ -136,8 +136,7 @@ public class DashboardViewModel : PropertyChangedBase
         !IsBusy &&
         _discord is not null &&
         SelectedGuild is not null &&
-        SelectedChannels is not null &&
-        SelectedChannels.Any();
+        SelectedChannels?.Any() is true;
 
     public async void ExportChannels()
     {

DiscordChatExporter.Gui/ViewModels/Dialogs/ExportSetupViewModel.cs

@@ -21,12 +21,11 @@ public class ExportSetupViewModel : DialogScreen
 
     public IReadOnlyList<Channel>? Channels { get; set; }
 
-    public bool IsSingleChannel => Channels is null || Channels.Count == 1;
+    public bool IsSingleChannel => Channels?.Count == 1;
 
     public string? OutputPath { get; set; }
 
-    public IReadOnlyList<ExportFormat> AvailableFormats =>
-        Enum.GetValues(typeof(ExportFormat)).Cast<ExportFormat>().ToArray();
+    public IReadOnlyList<ExportFormat> AvailableFormats { get; } = Enum.GetValues<ExportFormat>();
 
     public ExportFormat SelectedFormat { get; set; }
 
@@ -96,12 +95,11 @@ public class ExportSetupViewModel : DialogScreen
         _settingsService.LastShouldDownloadMedia = ShouldDownloadMedia;
 
         // If single channel - prompt file path
-        if (Channels is not null && IsSingleChannel)
+        if (IsSingleChannel)
         {
-            var channel = Channels.Single();
             var defaultFileName = ExportRequest.GetDefaultOutputFileName(
                 Guild!,
-                channel,
+                Channels!.Single(),
                 SelectedFormat,
                 After?.Pipe(Snowflake.FromDate),
                 Before?.Pipe(Snowflake.FromDate)