Files
Umbraco-CMS/src/Umbraco.Web/Mvc/RenderMvcController.cs

122 lines
4.0 KiB
C#

using System;
using System.IO;
using System.Web.Mvc;
using Umbraco.Core;
using Umbraco.Core.Logging;
using Umbraco.Core.Models;
using Umbraco.Core.Services;
using Umbraco.Core.Models;
using Umbraco.Web.Models;
using Umbraco.Web.Routing;
using Umbraco.Web.Security;
namespace Umbraco.Web.Mvc
{
/// <summary>
/// A controller to render front-end requests
/// </summary>
[PreRenderViewActionFilter]
public class RenderMvcController : UmbracoController, IRenderMvcController
{
public RenderMvcController()
: base()
{
ActionInvoker = new RenderActionInvoker();
}
public RenderMvcController(UmbracoContext umbracoContext, UmbracoHelper umbracoHelper)
: base(umbracoContext, umbracoHelper)
{
}
public RenderMvcController(UmbracoContext umbracoContext)
: base(umbracoContext)
{
}
private PublishedContentRequest _publishedContentRequest;
/// <summary>
/// Returns the current UmbracoContext
/// </summary>
public override UmbracoContext UmbracoContext
{
get { return PublishedContentRequest.RoutingContext.UmbracoContext; }
}
/// <summary>
/// Returns the Current published content item for rendering the content
/// </summary>
protected IPublishedContent CurrentPage
{
get { return PublishedContentRequest.PublishedContent; }
}
/// <summary>
/// Returns the current PublishedContentRequest
/// </summary>
protected internal virtual PublishedContentRequest PublishedContentRequest
{
get
{
if (_publishedContentRequest != null)
return _publishedContentRequest;
if (!RouteData.DataTokens.ContainsKey("umbraco-doc-request"))
{
throw new InvalidOperationException("DataTokens must contain an 'umbraco-doc-request' key with a PublishedContentRequest object");
}
_publishedContentRequest = (PublishedContentRequest)RouteData.DataTokens["umbraco-doc-request"];
return _publishedContentRequest;
}
}
/// <summary>
/// Checks to make sure the physical view file exists on disk
/// </summary>
/// <param name="template"></param>
/// <returns></returns>
protected bool EnsurePhsyicalViewExists(string template)
{
var result = ViewEngines.Engines.FindView(ControllerContext, template, null);
if (result.View == null)
{
LogHelper.Warn<RenderMvcController>("No physical template file was found for template " + template);
return false;
}
return true;
}
/// <summary>
/// Returns an ActionResult based on the template name found in the route values and the given model.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="model"></param>
/// <returns></returns>
/// <remarks>
/// If the template found in the route values doesn't physically exist, then an empty ContentResult will be returned.
/// </remarks>
protected ActionResult CurrentTemplate<T>(T model)
{
var template = ControllerContext.RouteData.Values["action"].ToString();
if (!EnsurePhsyicalViewExists(template))
{
return Content("");
}
return View(template, model);
}
/// <summary>
/// The default action to render the front-end view
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public virtual ActionResult Index(RenderModel model)
{
return CurrentTemplate(model);
}
}
}