ProgressBar IObservable. Basic Modal. No longer download list if exists.

.Sample() is what .Throttle() sounds like it does.
ProgressBar will be changed again, this implementation feels dirty.

Wabbajack.App.Blazor/Components/ProgressBar.razor

@@ -1,18 +1,34 @@
 @using Wabbajack.RateLimiter
+@using System
+@using System.Reactive.Linq
 
 @namespace Wabbajack.App.Blazor.Components
 
 <div id="progress-bar">
-    <progress value="@Percentage.Value"></progress>
+    <progress value="@CurrentProgress"></progress>
     <span class="text">@Text</span>
 </div>
 
 @code {
 
-    [Parameter]
-    public Percent Percentage { get; set; }
+    private double CurrentProgress { get; set; }
 
-    [Parameter]
-    public string Text { get; set; }
+    [Parameter] public IObservable<Percent> ProgressObserver { get; set; }
 
+    [Parameter] public string Text { get; set; }
+
+    protected override Task OnInitializedAsync()
+    {
+        var textPercentage = string.IsNullOrEmpty(Text);
+        ProgressObserver
+            .Sample(TimeSpan.FromMilliseconds(250))
+            .DistinctUntilChanged()
+            .Subscribe(p => {
+                CurrentProgress = p.Value;
+                if (textPercentage) Text = p.ToString();
+                InvokeAsync(StateHasChanged);
+            });
+    
+        return base.OnInitializedAsync();
+    }
 }

Wabbajack.App.Blazor/Pages/Gallery.razor

@@ -1,7 +1,5 @@
 @page "/gallery"
 
-@using System.Globalization
-
 @namespace Wabbajack.App.Blazor.Pages
 
 <div id="content">
@@ -39,7 +37,7 @@
     {
         <BottomBar Image="@DownloadingMetaData.Links.ImageUri" Title="Downloading..." Subtitle="@DownloadingMetaData.Title">
             <div style="height:1.5rem;">
-                <ProgressBar Percentage="@DownloadProgress" Text="@DownloadProgress.Value.ToString(CultureInfo.InvariantCulture)"/>
+                <ProgressBar ProgressObserver="@DownloadProgress"/>
             </div>
         </BottomBar>
     }

Wabbajack.App.Blazor/Pages/Gallery.razor.cs

@@ -4,12 +4,13 @@ using System.Linq;
 using System.Reactive.Linq;
 using System.Threading.Tasks;
 using System.Windows.Shell;
+using Blazored.Modal;
+using Blazored.Modal.Services;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Extensions.Logging;
+using Wabbajack.App.Blazor.Components;
 using Wabbajack.App.Blazor.State;
-using Wabbajack.Common;
 using Wabbajack.DTOs;
-using Wabbajack.Paths.IO;
 using Wabbajack.RateLimiter;
 using Wabbajack.Services.OSIntegrated.Services;
 
@@ -22,7 +23,8 @@ public partial class Gallery
     [Inject] private NavigationManager NavigationManager { get; set; } = default!;
     [Inject] private ModListDownloadMaintainer Maintainer { get; set; } = default!;
 
-    private Percent DownloadProgress { get; set; } = Percent.Zero;
+    [CascadingParameter] public IModalService Modal { get; set; }
+    private IObservable<Percent> DownloadProgress { get; set; }
     private ModlistMetadata? DownloadingMetaData { get; set; }
 
     private IEnumerable<ModlistMetadata> Modlists => StateContainer.Modlists;
@@ -50,13 +52,18 @@ public partial class Gallery
 
     private async Task OnClickDownload(ModlistMetadata metadata)
     {
-        // GlobalState.NavigationAllowed = !GlobalState.NavigationAllowed;
-        await Download(metadata);
+        if (!await Maintainer.HaveModList(metadata)) await Download(metadata);
+        StateContainer.ModlistPath = Maintainer.ModListPath(metadata);
+        StateContainer.Modlist = null;
+        NavigationManager.NavigateTo(Configure.Route);
     }
 
     private async Task OnClickInformation(ModlistMetadata metadata)
     {
         // TODO: [High] Implement information modal.
+        var parameters = new ModalParameters();
+        parameters.Add(nameof(InfoModal.Content), metadata.Description);
+        Modal.Show<InfoModal>("Information", parameters);
     }
 
     private async Task Download(ModlistMetadata metadata)
@@ -64,35 +71,25 @@ public partial class Gallery
         StateContainer.NavigationAllowed = false;
         DownloadingMetaData = metadata;
 
-        // TODO: download progress should be in ProgressBar component so it can refresh independently
-        
         try
         {
             var (progress, task) = Maintainer.DownloadModlist(metadata);
 
+            DownloadProgress = progress;
+
             var dispose = progress
-                .DistinctUntilChanged(p => p.Value)
-                .Throttle(TimeSpan.FromMilliseconds(100))
-                .Subscribe(p =>
-            {
-                DownloadProgress = p;
+                .Sample(TimeSpan.FromMilliseconds(250))
+                .Subscribe(p => {
                     StateContainer.TaskBarState = new TaskBarState
                     {
                         Description = $"Downloading {metadata.Title}",
-                    State = TaskbarItemProgressState.Indeterminate,
+                        State = TaskbarItemProgressState.Normal,
                         ProgressValue = p.Value
                     };
-
-                InvokeAsync(StateHasChanged);
-                // Dispatcher.CreateDefault().InvokeAsync(StateHasChanged);
                 }, () => { StateContainer.TaskBarState = new TaskBarState(); });
 
             await task;
             dispose.Dispose();
-            
-            var path = KnownFolders.EntryPoint.Combine("downloaded_mod_lists", metadata.Links.MachineURL).WithExtension(Ext.Wabbajack);
-            StateContainer.ModlistPath = path;
-            NavigationManager.NavigateTo(Configure.Route);
         }
         catch (Exception e)
         {