2025-05-22 13:35:27 -07:00

59 lines
1.7 KiB
C#

#if !NET8
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using System.Web.Security;
#endif
#if NET8
using Microsoft.AspNetCore.Mvc;
#endif
#if !NET8
using System;
using System.IO;
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Security.Claims;
using System.Threading.Tasks;
#endif
using System.Text;
namespace Fab2ApprovalSystem.PdfGenerator;
public class HtmlViewRenderer {
public string RenderViewToString(Controller controller, string viewName, object viewData) {
StringBuilder renderedView = new();
#if !NET8
using (StringWriter responseWriter = new(renderedView)) {
HttpResponse fakeResponse = new(responseWriter);
HttpContext fakeContext = new(HttpContext.Current.Request, fakeResponse);
ControllerContext fakeControllerContext = new(new HttpContextWrapper(fakeContext), controller.ControllerContext.RouteData, controller.ControllerContext.Controller);
var oldContext = HttpContext.Current;
HttpContext.Current = fakeContext;
using (var viewPage = new ViewPage()) {
HtmlHelper html = new HtmlHelper(CreateViewContext(responseWriter, fakeControllerContext), viewPage);
html.RenderPartial(viewName, viewData);
HttpContext.Current = oldContext;
}
}
#endif
return renderedView.ToString();
}
#if !NET8
private static ViewContext CreateViewContext(TextWriter responseWriter, ControllerContext fakeControllerContext) {
return new ViewContext(fakeControllerContext, new FakeView(), new ViewDataDictionary(), new TempDataDictionary(), responseWriter);
}
#endif
}