CatchErrorsRendererErrorStrategy

CatchErrorsRendererErrorStrategy.cs

using System;
using System.IO;
using System.Web.Mvc;
using Microsoft.Extensions.DependencyInjection;
using Sitecore.Abstractions;
using Sitecore.DependencyInjection;
using Sitecore.Mvc.Pipelines.Response.RenderRendering;
using Sitecore.Mvc.Presentation;
using Sitecore;
using Sitecore.XA.Foundation.Multisite.Extensions;

namespace SOMESOLUTION.SOMEPROJECT.PipelineHandlers
{
    public class CatchErrorsRendererErrorStrategy : PageModeRenderingErrorStrategy, IRendererErrorStrategy
    {
        public virtual BaseLog Logger { get { return ServiceLocator.ServiceProvider.GetService<BaseLog>(); } }
        public virtual bool IsNormalMode { get { return Sitecore.Context.PageMode.IsNormal; } }
        public virtual new bool HandleError(Renderer renderer, Exception ex, TextWriter writer)
        {
            //log an error in the log file regardless
            this.Logger.Error("Rendering Errored:", ex, typeof(CatchAllRendererErrorStrategy));

            //exit if it is not an SXA site
            if (!Context.Site.IsSxaSite())
            {
                return false;
            }

            //handle it if it is not in the normal mode, assuming in the experience editor
            if (!this.IsNormalMode)
            {
                var container = new TagBuilder("div");
                container.Attributes.Add("class", "sxa-rendering-error");
                container.Attributes.Add("style", "background-color: #f4b2ae;");

                TagBuilder hr = new TagBuilder("hr");
                container.InnerHtml += hr.ToString();
                container.InnerHtml += "The rendering failed to render. Please check the datasource or rendering parameters. (This message is only displayed in the editing interface)" + renderer.CacheKey + ex.Message;
                container.InnerHtml += hr.ToString();
                writer.Write(container.ToString());
            }
            return true;
        }
    }
}