delivery-sdk-net

Introduction

The Rich text element can contain images, links to content items, content items, and components. The Date and time element can contain display timezone. Your application needs to define how these objects are rendered.

This information applies to Rich text model properties typed as IRichTextContent and Date and time model properties typed as IDateTimeContent. For rich text model in a case you are using string data model, see String-based rendering of linked items in Rich text. You can influence which approach to use by applying the --structuredmodel "<structured-model>" parameter during model generation.

Resolving links to content items is covered in a separate article.

Structured Rich text data model

IRichTextContent provides a list of blocks of one of the following types:

• IInlineImage
• IHtmlContent
• IInlineContentItem

By iterating over the blocks, you can render the Rich text content.

Replaces string type of a rich text.

Rich text rendering in MVC

For rendering of rich text in MVC, you can use the standard approach with Html.DisplayFor(model => model.RichTextProperty).

Individual blocks are rendered with their default HTML representation which matches the content provided by the Delivery API.

You can provide display templates for the following block types:

• Content items and components (required) - Display template named <ModelTypeName>.cshtml where ModelTypeName is based on the content item or component type, e.g., Tweet.cshtml.
  • Items and components are resolved using the same mechanism, your application does not need to differentiate them.
  • You can learn more about the differences between items and components in our API Reference.
• Inline images (optional) - Display template named InlineImage.cshtml.

Display templates can be provided to all MVC Controllers through the Shared folder, or relatively based on the current controller.

Example

Models/ContentTypes/Article.cs - Generated

    public partial class Article
    {
...
        public IRichTextContent BodyCopy { get; set; }
...
    }

Views/Articles/Show.cshtml

    <div class="row">
        <div class="article-detail-content">
            @Html.DisplayFor(vm => vm.BodyCopy)
        </div>
    </div>

Views/Shared/DisplayTemplates/HostedVideo.cshtml

@model DancingGoat.Models.HostedVideo

@{ 
    var host = Model.VideoHost.FirstOrDefault()?.Codename;
    if (host == "vimeo") {
        <iframe class="hosted-video__wrapper"
                src="https://player.vimeo.com/video/@(Model.VideoId)?title =0&byline =0&portrait =0"
                width="640"
                height="360"
                frameborder="0"
                webkitallowfullscreen
                mozallowfullscreen
                allowfullscreen
                >
        </iframe>
    }
    else if (host == "youtube") {
        <iframe class="hosted-video__wrapper"
                width="560"
                height="315"
                src="https://www.youtube.com/embed/@(Model.VideoId)"
                frameborder="0"
                allowfullscreen
                >
        </iframe>
    }
}

Structured Date and time model

IDateTimeContent provides a date and time value with the timezone:

• DateTime?
• string

By getting each value you can generate date and time with a timezone.

Example

    public partial class Article
    {
...
        public IDateTimeContent CreatedAt { get; set; }
...
    }

Replaces DateTime? type of a date time element.

Modular content

IContentItem provides default content item system attributes : IContentItemSystemAttributes

Replaces object type of a modular content and subpages elements as well as every content item implements this interface.

Other resources

• How to Render Different Output for Rich Text in Kontent.ai Using the Delivery .NET SDK by Rob West
  • Rob describes how to render different output for AMP using ASP.NET Core Display Templates

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