timothy/ersatztv
1
0
Fork 0
Code Issues 51 Pull Requests 5 Actions Packages Projects Releases 9 Wiki Activity

use cancellation tokens in many places (#2350)

Browse Source 
* use cancellation tokens everywhere

* more cancellation tokens
This commit is contained in:
Jason Dove
2025-08-27 03:20:35 +00:00
committed by GitHub
parent a6198892f0
commit 1c07df5bc3
356 changed files with 3430 additions and 2454 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ErsatzTV/Shared/RemoteMediaSourceLibrariesEditor.razor
+39 -28
View File
@@ -50,7 +50,7 @@
</MudForm>
@code {
private readonly CancellationTokenSource _cts = new();
private CancellationTokenSource _cts;
[Parameter]
public int Id { get; set; }
@@ -59,16 +59,16 @@
public string Name { get; set; }
[Parameter]
public Func<int, Task<Option<RemoteMediaSourceViewModel>>> GetMediaSourceById { get; set; }
public Func<int, CancellationToken, Task<Option<RemoteMediaSourceViewModel>>> GetMediaSourceById { get; set; }
[Parameter]
public Func<int, Task<List<RemoteMediaSourceLibraryEditViewModel>>> GetLibrariesBySourceId { get; set; }
public Func<int, CancellationToken, Task<List<RemoteMediaSourceLibraryEditViewModel>>> GetLibrariesBySourceId { get; set; }
[Parameter]
public Func<List<RemoteMediaSourceLibraryEditViewModel>, IRequest<Either<BaseError, Unit>>> GetUpdateLibraryRequest { get; set; }
[Parameter]
public Func<SynchronizeParameters, Task<Unit>> SynchronizeLibraryByIdIfNeeded { get; set; }
public Func<SynchronizeParameters, CancellationToken, Task<Unit>> SynchronizeLibraryByIdIfNeeded { get; set; }
private RemoteMediaSourceViewModel _source;
private List<RemoteMediaSourceLibraryEditViewModel> _libraries;
@@ -85,44 +85,55 @@
private async Task LoadData()
{
Option<RemoteMediaSourceViewModel> maybeSource = await GetMediaSourceById(Id);
await maybeSource.Match(
async source =>
_cts?.Cancel();
_cts?.Dispose();
_cts = new CancellationTokenSource();
var token = _cts.Token;
try
{
Option<RemoteMediaSourceViewModel> maybeSource = await GetMediaSourceById(Id, token);
foreach (var source in maybeSource)
{
_source = source;
_libraries = await GetLibrariesBySourceId(Id);
},
() =>
_libraries = await GetLibrariesBySourceId(Id, token);
}
if (maybeSource.IsNone)
{
NavigationManager.NavigateTo("404");
return Task.CompletedTask;
});
}
}
catch (OperationCanceledException)
{
// do nothing
}
}
private async Task SaveChanges()
{
using var cts = new CancellationTokenSource();
IRequest<Either<BaseError, Unit>> request = GetUpdateLibraryRequest(_libraries);
Seq<BaseError> errorMessages = await Mediator.Send(request, _cts.Token).Map(e => e.LeftToSeq());
Either<BaseError, Unit> result = await Mediator.Send(request, cts.Token);
foreach (var error in result.LeftToSeq())
{
Snackbar.Add($"Unexpected error saving {Name.ToLowerInvariant()} libraries: {error.Value}", Severity.Error);
Logger.LogError("Unexpected error saving {MediaSource} libraries: {Error}", Name, error.Value);
}
await errorMessages.HeadOrNone().Match(
error =>
if (result.IsRight)
{
foreach (int libraryId in _libraries.Filter(l => l.ShouldSyncItems).Map(l => l.Id))
{
Snackbar.Add($"Unexpected error saving {Name.ToLowerInvariant()} libraries: {error.Value}", Severity.Error);
Logger.LogError("Unexpected error saving {MediaSource} libraries: {Error}", Name, error.Value);
return Task.CompletedTask;
},
async () =>
{
foreach (int libraryId in _libraries.Filter(l => l.ShouldSyncItems).Map(l => l.Id))
if (Locker.LockLibrary(libraryId))
{
if (Locker.LockLibrary(libraryId))
{
await SynchronizeLibraryByIdIfNeeded(new SynchronizeParameters(libraryId, Id));
}
await SynchronizeLibraryByIdIfNeeded(new SynchronizeParameters(libraryId, Id), cts.Token);
}
}
NavigationManager.NavigateTo($"media/sources/{Name.ToLowerInvariant()}");
});
NavigationManager.NavigateTo($"media/sources/{Name.ToLowerInvariant()}");
}
}
}