Requirements
Using the demo project
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git clone https://github.com/contensis/razor-page-leif-example.gitChange directory to the Leif example folder
Run with hot reloading
How it works
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// Program.cs
using Zengenti.Contensis.Delivery;1
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// Program.cs
ContensisClient.Configure(new ContensisClientConfiguration(
rootUrl: "<root-url>",
projectApiId: "<projectApiId>",
clientId: "clientId",
sharedSecret: "<sharedSecret>"
));1
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// Models/BlogPost.cs
using Zengenti.Contensis.Delivery;
namespace RazorPageLeifExample.Models {
public class BlogPost: EntryModel { // EntryModel gives us access to the Sys object for ID
public string Title { get; set; } = null!; // Null forgiving - Title can't be null
public string? LeadParagraph { get; set; }
public Image? ThumbnailImage { get; set; }
public Person? Author => Resolve<Person>("author"); // Resolve linked entry so fields are available
public Category? Category => Resolve<Category>("category"); // Resolve linked entry so fields are available
public ComposedField? PostBody { get; set; }
}
}Get a single blog entry by its ID
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// Pages/Blog.cshtml.cs
var client = ContensisClient.Create();1
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// Pages/Blog.cshtml.cs
// Set the model
public BlogPost? BlogPostModel { get; set; }
public void OnGet()
{
// Connect to the Contensis delivery API
// Connection details set in /Program.cs
var client = ContensisClient.Create();
// Get the id from the querystring
string BlogId = HttpContext.Request.Query["id"];
// Get the entries by the id
BlogPostModel = client.Entries.Get<BlogPost>(BlogId);
}1
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<!-- Pages/Blog.cshtml -->
<div class="blog-hero">
<h1 class="blog-hero__title">
@Model.BlogPostModel.Title
</h1>
@if(Model.BlogPostModel.ThumbnailImage != null) {
<img class="blog-hero__img" src="@("http://live.leif.zenhub.contensis.cloud" + Model.BlogPostModel.ThumbnailImage.Asset.Uri)" alt="@Model.BlogPostModel.ThumbnailImage.AltText"/>
}
</div>Get a list of blogs
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// Pages/Index.cshtml.cs
// Set the model
public PagedList<BlogPost>? BlogsPayload { get; set; }
public void OnGet()
{
ViewData["Title"] = "Blogs";
// Connect to the Contensis delivery API
// Connection details set in /Program.cs
var client = ContensisClient.Create();
// Query the api for entries with a content type of "blogPost"
// Get the latest versions even if not yet published
var blogsQuery = new Query(
Op.EqualTo("sys.contentTypeId", "blogPost"),
Op.EqualTo("sys.versionStatus", "latest")
);
// Get a list of entries matching the blogsQuery
BlogsPayload = client.Entries.Search<BlogPost>(blogsQuery);
}1
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<!-- Pages/Index.cshtml -->
@if ((Model.BlogsPayload != null) && (Model.BlogsPayload.TotalCount > 0)) {
<ul class="blogs">
@foreach (var blogItem in Model.BlogsPayload.Items) {
<li class="blog-card">
<a href="@("/blog?id=" + blogItem.Sys.Id)">
<h2 class="blog-card__title mobile">@blogItem.Title</h2>
@if (blogItem.ThumbnailImage != null) {
<img class="blog-card__img" src="@("http://live.leif.zenhub.contensis.cloud" + blogItem.ThumbnailImage.Asset.Uri)" alt="@blogItem.ThumbnailImage.AltText" />
}
<div class="related-blog__content">
<h2 class="blog-card__title desktop">@blogItem.Title</h2>
<!-- Truncate text as it can sometimes be too long -->
@if (blogItem.LeadParagraph != null) {
<p class="blog-card__text">@blogItem.LeadParagraph.Substring(0, Math.Min(blogItem.LeadParagraph.Length, 124))…</p>
}
@if (blogItem.Category != null) {
<span class="category">@blogItem.Category.Name</span>
}
</div>
</a>
</li>
}
</ul>
} else {
<p>No blogs found</p>
}