add button to reset all playouts (#1927)

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+### Added
+- Add `Reset All Playouts` button to top of playouts page
+
 ### Changed
 - **BREAKING CHANGE**: Change channel identifiers used in XMLTV to work around bad behavior in Plex
 

ErsatzTV.Application/Playouts/Commands/ResetAllPlayouts.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Playouts;
+
+public record ResetAllPlayouts : IRequest;

ErsatzTV.Application/Playouts/Commands/ResetAllPlayoutsHandler.cs

@@ -0,0 +1,40 @@
+using System.Threading.Channels;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Locking;
+using ErsatzTV.Core.Scheduling;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Playouts;
+
+public class ResetAllPlayoutsHandler(
+    IEntityLocker locker,
+    ChannelWriter<IBackgroundServiceRequest> channel,
+    IDbContextFactory<TvContext> dbContextFactory)
+    : IRequestHandler<ResetAllPlayouts>
+{
+    public async Task Handle(ResetAllPlayouts request, CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+
+        foreach (Playout playout in await dbContext.Playouts.ToListAsync(cancellationToken))
+        {
+            switch (playout.ProgramSchedulePlayoutType)
+            {
+                case ProgramSchedulePlayoutType.Flood:
+                case ProgramSchedulePlayoutType.Block:
+                case ProgramSchedulePlayoutType.Yaml:
+                    if (!locker.IsPlayoutLocked(playout.Id))
+                    {
+                        await channel.WriteAsync(new BuildPlayout(playout.Id, PlayoutBuildMode.Reset), cancellationToken);
+                    }
+                    break;
+                case ProgramSchedulePlayoutType.ExternalJson:
+                case ProgramSchedulePlayoutType.None:
+                default:
+                    // external json cannot be reset
+                    continue;
+            }
+        }
+    }
+}

ErsatzTV/Pages/Playouts.razor

@@ -28,6 +28,9 @@
                 Add External Json Playout
             </MudButton>
         </MudTooltip>
+        <MudButton Class="ml-3" Variant="Variant.Filled" Color="Color.Warning" StartIcon="@Icons.Material.Filled.Refresh" OnClick="@ResetAllPlayouts">
+            Reset All Playouts
+        </MudButton>
     </div>
     <MudTable Hover="true"
               Dense="true"
@@ -274,7 +277,7 @@
 
         IDialogReference dialog = await Dialog.ShowAsync<EditExternalJsonFileDialog>("Edit External Json File", parameters, options);
         DialogResult result = await dialog.Result;
-        if (!result.Canceled)
+        if (result is { Canceled: false })
         {
             await Mediator.Send(new UpdateExternalJsonPlayout(playout.PlayoutId, result.Data as string ?? playout.ExternalJsonFile), _cts.Token);
             if (_table != null)
@@ -293,7 +296,7 @@
 
         IDialogReference dialog = await Dialog.ShowAsync<DeleteDialog>("Delete Playout", parameters, options);
         DialogResult result = await dialog.Result;
-        if (!result.Canceled)
+        if (result is { Canceled: false })
         {
             await Mediator.Send(new DeletePlayout(playout.PlayoutId), _cts.Token);
             if (_table != null)
@@ -308,6 +311,12 @@
         }
     }
 
+    private async Task ResetAllPlayouts()
+    {
+        _selectedPlayoutId = null;
+        await Mediator.Send(new ResetAllPlayouts(), _cts.Token);
+    }
+
     private async Task ResetPlayout(PlayoutNameViewModel playout)
     {
         await WorkerChannel.WriteAsync(new BuildPlayout(playout.PlayoutId, PlayoutBuildMode.Reset), _cts.Token);