Web-Development-with-Blazor.../Chapter05/MyBlog/Components/Pages/Index.razor
2023-02-17 15:28:17 +01:00

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@page "/"
@using Data.Models.Interfaces
@using Data.Models
@inject IBlogApi _api
<ul>
<Virtualize ItemsProvider="LoadPosts" Context="p">
<li><a href="/Post/@p.Id">@p.Title</a></li>
</Virtualize>
</ul>
@code {
public int totalBlogposts { get; set; }
private async ValueTask<ItemsProviderResult<BlogPost>> LoadPosts(ItemsProviderRequest request)
{
if (totalBlogposts == 0)
{
totalBlogposts = await _api.GetBlogPostCountAsync();
}
var numblogposts = Math.Min(request.Count, totalBlogposts - request.StartIndex);
var blogposts = await _api.GetBlogPostsAsync(numblogposts, request.StartIndex);
return new ItemsProviderResult<BlogPost>(blogposts, totalBlogposts);
}
}