ErsatzTV/ErsatzTV/Shared/AddToCollectionDialog.razor

@using Microsoft.Extensions.Caching.Memory
@using ErsatzTV.Application.MediaCollections
@using ErsatzTV.Application.MediaCollections.Queries
@inject IMediator Mediator
@inject IMemoryCache MemoryCache

<MudDialog>
    <DialogContent>
        <MudContainer Class="mb-6">
            <MudHighlighter Class="mud-primary-text"
                            Style="background-color: transparent; font-weight: bold"
                            Text="@FormatText()"
                            HighlightedText="@EntityName"/>
        </MudContainer>
        <MudSelect Label="Collection" @bind-Value="_selectedCollection" For="@(() => _selectedCollection)" Class="mb-6 mx-4">
            @foreach (MediaCollectionViewModel collection in _collections)
            {
                <MudSelectItem Value="@collection">@collection.Name</MudSelectItem>
            }
        </MudSelect>
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel">Cancel</MudButton>
        <MudButton Color="Color.Primary" Variant="Variant.Filled" Disabled="@(_selectedCollection == null)" OnClick="Submit">
            Add To Collection
        </MudButton>
    </DialogActions>
</MudDialog>

@code {

    [CascadingParameter]
    MudDialogInstance MudDialog { get; set; }

    [Parameter]
    public string EntityType { get; set; }

    [Parameter]
    public string EntityName { get; set; }

    [Parameter]
    public string DetailText { get; set; }

    [Parameter]
    public string DetailHighlight { get; set; }

    private List<MediaCollectionViewModel> _collections;

    private MediaCollectionViewModel _selectedCollection;

    protected override async Task OnParametersSetAsync()
    {
        _collections = await Mediator.Send(new GetAllCollections());
        if (MemoryCache.TryGetValue("AddToCollectionDialog.SelectedCollectionId", out int id))
        {
            _selectedCollection = _collections.SingleOrDefault(c => c.Id == id);
        }
    }

    private string FormatText() => $"Select the collection to add the {EntityType} {EntityName}";

    private void Submit()
    {
        MemoryCache.Set("AddToCollectionDialog.SelectedCollectionId", _selectedCollection.Id);
        MudDialog.Close(DialogResult.Ok(_selectedCollection));
    }

    private void Cancel() => MudDialog.Cancel();

}