public static String ToHtml(this Controller controller, ViewType viewType, String viewPath, Object model)
{
using (var sw = new StringWriter())
{
controller.Render(viewType, viewPath, model, sw);
return sw.ToString();
}
}
public static void Render(this Controller controller, ViewType viewType, String viewPath, Object model, TextWriter writer)
{
var cx = controller.ControllerContext;
if (cx == null)
{
cx = CreateControllerContext(controller);
}
ViewEngineResult viewEngineResult = null;
switch (viewType)
{
case ViewType.View: viewEngineResult = ViewEngines.Engines.FindView(cx, viewPath, null); break;
case ViewType.PartialView: viewEngineResult = ViewEngines.Engines.FindPartialView(cx, viewPath); break;
default: throw new InvalidOperationException();
}
if (viewEngineResult == null)
{
throw new InvalidOperationException("View not found");
}
var view = viewEngineResult.View;
cx.Controller.ViewData.Model = model;
var ctx = new ViewContext(cx, view, cx.Controller.ViewData, cx.Controller.TempData, writer);
view.Render(ctx, writer);
}
private static string ReadViewHtml(string filePath, ViewType viewType)
{
filePath = filePath.TrimLine();
switch (viewType)
{
case ViewType.PartialView:
if (!filePath.EndsWith(PartialViewExtension, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(Format(Resources.InvalidPartialViewExtension, filePath));
}
break;
case ViewType.Layout:
if (!filePath.EndsWith(LayoutViewExtension, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(Format(Resources.InvalidLayoutViewExtension, filePath));
}
break;
default:
if (!filePath.EndsWith(ViewExtension, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(Format(Resources.InvalidViewExtension, filePath));
}
break;
}
return File.ReadAllText(filePath, Encoding.UTF8).TrimLine();
}