SharpRSS/WebSharpRSS/Shared/SideGuide.razor

@using SharpRss.Models;
@using MudBlazor.Utilities
@using CodeHollow.FeedReader
@using Serilog
@using WebSharpRSS.Models;

@inject RssService _rssService

<MudStack Spacing="2">
    <MudNavMenu>
        <MudNavLink Href="/" Icon="@Icons.Material.Filled.Home">Home</MudNavLink>
    </MudNavMenu>
    <MudTreeView Items="Categories" @bind-SelectedValue="SelectedItem" @bind-ActivatedItem="ActivatedItem" Hover="true">
        <ItemTemplate>
            <MudTreeViewItem Items="@context.Feeds" Icon="@context.Icon" Text="@context.Title"/>
        </ItemTemplate>
    </MudTreeView>
</MudStack>

@code {
    public HashSet<TreeItemData> Categories = new HashSet<TreeItemData>();
    private TreeItemData ActivatedItem { get; set; }
    private TreeItemData SelectedItem { get; set; }
    protected override async void OnInitialized()
    {
        Log.Verbose("Loading guide data...");
        HashSet<CategoryModel> cats = await _rssService.GetCategories();
        await Task.Run(() => Categories = cats.Select(x => new TreeItemData(x)).ToHashSet());
    }
}