ErsatzTV/ErsatzTV/Pages/FillerPresets.razor

@page "/media/filler/presets"
@using ErsatzTV.Application.Configuration
@using ErsatzTV.Application.Filler
@using ErsatzTV.Core.Domain.Filler
@implements IDisposable
@inject IDialogService Dialog
@inject IMediator Mediator

<MudContainer MaxWidth="MaxWidth.ExtraLarge" Class="pt-8">
    <div>
        <MudButton Variant="Variant.Filled" Color="Color.Primary" Href="media/filler/presets/add">
            Add Filler Preset
        </MudButton>
    </div>
    <MudTable Class="mt-4"
              Hover="true"
              @bind-RowsPerPage="@_fillerPresetsRowsPerPage"
              ServerData="@(new Func<TableState, Task<TableData<FillerPresetViewModel>>>(ServerReloadFillerPresets))"
              Dense="true"
              @ref="_fillerPresetsTable">
        <ToolBarContent>
            <MudText Typo="Typo.h6">Filler Presets</MudText>
        </ToolBarContent>
        <ColGroup>
            <col/>
            <col/>
            <col style="width: 120px;"/>
        </ColGroup>
        <HeaderContent>
            <MudTh>Name</MudTh>
            <MudTh>Filler Kind</MudTh>
            <MudTh/>
        </HeaderContent>
        <RowTemplate>
            <MudTd DataLabel="Name">@context.Name</MudTd>
            <MudTd DataLabel="Filler Kind">
                @(
                context.FillerKind switch
                {
                    FillerKind.PreRoll => "Pre-Roll",
                    FillerKind.MidRoll => "Mid-Roll",
                    FillerKind.PostRoll => "Post-Roll",
                    FillerKind.Fallback => "Fallback",
                    FillerKind.Tail => "Tail",
                    _ => "None"
                }
                )
            </MudTd>
            <MudTd>
                <div style="align-items: center; display: flex;">
                    <MudTooltip Text="Edit Filler Preset">
                        <MudIconButton Icon="@Icons.Material.Filled.Edit"
                                       Href="@($"media/filler/presets/{context.Id}/edit")">
                        </MudIconButton>
                    </MudTooltip>
                    <MudTooltip Text="Delete Filler Preset">
                        <MudIconButton Icon="@Icons.Material.Filled.Delete"
                                       OnClick="@(_ => DeleteFillerPreset(context))">
                        </MudIconButton>
                    </MudTooltip>
                </div>
            </MudTd>
        </RowTemplate>
        <PagerContent>
            <MudTablePager/>
        </PagerContent>
    </MudTable>
</MudContainer>

@code {
    private readonly CancellationTokenSource _cts = new();

    private MudTable<FillerPresetViewModel> _fillerPresetsTable;

    private int _fillerPresetsRowsPerPage = 10;

    public void Dispose()
    {
        _cts.Cancel();
        _cts.Dispose();
    }

    protected override async Task OnParametersSetAsync() => _fillerPresetsRowsPerPage = await Mediator.Send(new GetConfigElementByKey(ConfigElementKey.FillerPresetsPageSize), _cts.Token)
        .Map(maybeRows => maybeRows.Match(ce => int.TryParse(ce.Value, out int rows) ? rows : 10, () => 10));

    private async Task DeleteFillerPreset(FillerPresetViewModel fillerPreset)
    {
        var parameters = new DialogParameters { { "EntityType", "filler preset" }, { "EntityName", fillerPreset.Name } };
        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };

        IDialogReference dialog = await Dialog.ShowAsync<DeleteDialog>("Delete Filler Preset", parameters, options);
        DialogResult result = await dialog.Result;
        if (!result.Canceled)
        {
            await Mediator.Send(new DeleteFillerPreset(fillerPreset.Id), _cts.Token);
            if (_fillerPresetsTable != null)
            {
                await _fillerPresetsTable.ReloadServerData();
            }
        }
    }

    private async Task<TableData<FillerPresetViewModel>> ServerReloadFillerPresets(TableState state)
    {
        await Mediator.Send(new SaveConfigElementByKey(ConfigElementKey.FillerPresetsPageSize, state.PageSize.ToString()), _cts.Token);

        PagedFillerPresetsViewModel data = await Mediator.Send(new GetPagedFillerPresets(state.Page, state.PageSize), _cts.Token);
        return new TableData<FillerPresetViewModel> { TotalItems = data.TotalCount, Items = data.Page };
    }

}