hello-aspnet-core/AspNetCoreSsrTemplateEngine/Renders/TemplateRender.cs

using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using AspNetCoreSsrTemplateEngine.DataBoundContext;

namespace AspNetCoreSsrTemplateEngine.Renders
{
    [DebuggerDisplay("TEMPLATE: {" + nameof(Key) + ",nq}")]
    internal class TemplateRender : IRender
    {
        public string Key { get; }

        public TemplateRender(string key)
        {
            Key = key;
        }

        public async Task RenderAsync(IReadonlyDataBindContext dataBindContext, Stream stream)
        {
            if (false == dataBindContext.TryGetTemplate(Key, out var template)) throw new SteException($"Template `{Key}' not found in context ");
            await template.RenderAsync(dataBindContext, stream);
        }
    }
}