ersatztv/ErsatzTV/Pages/JellyfinLibrariesEditor.razor

@page "/media/sources/jellyfin/{Id:int}/libraries"
@using ErsatzTV.Application.Jellyfin
@using ErsatzTV.Application.Jellyfin.Commands
@using ErsatzTV.Application.Jellyfin.Queries
@inject IMediator _mediator
@inject NavigationManager _navigationManager
@inject ILogger<JellyfinLibrariesEditor> _logger
@inject ISnackbar _snackbar
@inject ChannelWriter<IJellyfinBackgroundServiceRequest> _channel
@inject IEntityLocker _locker

<MudContainer MaxWidth="MaxWidth.ExtraLarge" Class="pt-8">
    <MudTable Hover="true" Items="_libraries" Dense="true">
        <ToolBarContent>
            <MudText Typo="Typo.h6"><b>@_source.Name</b> Libraries</MudText>
        </ToolBarContent>
        <ColGroup>
            <col/>
            <col/>
            <col style="width: 100px;"/>
        </ColGroup>
        <HeaderContent>
            <MudTh>
                <MudTableSortLabel SortBy="new Func<JellyfinMediaSourceLibraryEditViewModel, object>(x => x.Name)">
                    Name
                </MudTableSortLabel>
            </MudTh>
            <MudTh>
                <MudTableSortLabel SortBy="new Func<JellyfinMediaSourceLibraryEditViewModel, object>(x => x.MediaKind)">
                    Media Kind
                </MudTableSortLabel>
            </MudTh>
            <MudTh>Synchronize</MudTh>
        </HeaderContent>
        <RowTemplate>
            <MudTd DataLabel="Name">@context.Name</MudTd>
            <MudTd DataLabel="MediaType">@context.MediaKind</MudTd>
            <MudTd DataLabel="Synchronize">
                <MudSwitch T="bool" @bind-Checked="@context.ShouldSyncItems" Color="Color.Primary"/>
            </MudTd>
        </RowTemplate>
    </MudTable>
    <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="@(_ => SaveChanges())" Class="mt-4">
        Save Changes
    </MudButton>
</MudContainer>

@code {

    [Parameter]
    public int Id { get; set; }

    private JellyfinMediaSourceViewModel _source;
    private List<JellyfinMediaSourceLibraryEditViewModel> _libraries;

    protected override Task OnParametersSetAsync() => LoadData();

    private async Task LoadData()
    {
        Option<JellyfinMediaSourceViewModel> maybeSource = await _mediator.Send(new GetJellyfinMediaSourceById(Id));
        await maybeSource.Match(
            async source =>
            {
                _source = source;
                _libraries = await _mediator.Send(new GetJellyfinLibrariesBySourceId(Id))
                    .Map(list => list.Map(ProjectToEditViewModel).OrderBy(x => x.MediaKind).ThenBy(x => x.Name).ToList());
            },
            () =>
            {
                _navigationManager.NavigateTo("404");
                return Task.CompletedTask;
            });
    }

    private JellyfinMediaSourceLibraryEditViewModel ProjectToEditViewModel(JellyfinLibraryViewModel library) => new()
    {
        Id = library.Id,
        Name = library.Name,
        MediaKind = library.MediaKind,
        ShouldSyncItems = library.ShouldSyncItems
    };

    private async Task SaveChanges()
    {
        var request = new UpdateJellyfinLibraryPreferences(
            _libraries.Map(l => new JellyfinLibraryPreference(l.Id, l.ShouldSyncItems)).ToList());

        Seq<BaseError> errorMessages = await _mediator.Send(request).Map(e => e.LeftToSeq());

        await errorMessages.HeadOrNone().Match(
            error =>
            {
                _snackbar.Add($"Unexpected error saving jellyfin libraries: {error.Value}", Severity.Error);
                _logger.LogError("Unexpected error saving jellyfin libraries: {Error}", error.Value);
                return Task.CompletedTask;
            },
            async () =>
            {
                foreach (int id in _libraries.Filter(l => l.ShouldSyncItems).Map(l => l.Id))
                {
                    if (_locker.LockLibrary(id))
                    {
                        await _channel.WriteAsync(new SynchronizeJellyfinLibraryByIdIfNeeded(id));
                    }
                }

                _navigationManager.NavigateTo("/media/jellyfin");
            });
    }

}