public ActionResult AddComment(int problemId, string commentText)
{
if (!User.Identity.IsAuthenticated)
return RedirectToAction("Login", "Account");
if (string.IsNullOrWhiteSpace(commentText))
return Json(new { commentHtml = "" });
commentRepository.Insert(new Comment { dateTime = DateTime.Now, ProblemId = problemId, Text = commentText, UserId = UserManager.FindByName(User.Identity.Name).Id });
var cvm = new CommentViewModel()
{
AddingTime = DateTime.Now,
AuthorName = User.Identity.Name,
ProblemId = problemId,
Text = commentText
};
return Json(new { html = RenderPartialViewToString("_CommentView", cvm) });
}
public static ShowProblemViewModel GetShowProblemViewModel(Problem problem)
{
var spvm = new ShowProblemViewModel();
spvm.Author = problem.Author.UserName;
spvm.Name = problem.Name;
spvm.Text = problem.Text;
spvm.Id = problem.Id;
spvm.Category = problem.Category.Name;
spvm.IsBlocked = problem.IsBlocked;
var sb = new StringBuilder();
foreach (var tag in problem.Tags)
{
sb.Append(tag.Name);
sb.Append(',');
}
spvm.TagsString = sb.ToString();
sb.Clear();
foreach (var ans in problem.CorrectAnswers)
{
sb.Append(ans.Text);
sb.Append(';');
}
sb.Remove(sb.Length - 1, 1);
spvm.Answers = sb.ToString();
spvm.Comments = new List<CommentViewModel>();
foreach (var comment in problem.Comments)
{
CommentViewModel com = new CommentViewModel() { AddingTime = comment.dateTime, AuthorName = comment.User.UserName, ProblemId = problem.Id, Text = comment.Text };
spvm.Comments.Add(com);
}
spvm.Likes = problem.Likes.Count;
spvm.Dislikes = problem.Dislikes.Count;
return spvm;
}
//[HttpPost]
//public ActionResult InfiniteScroll(int? taskId, int blockNumber)
//{
// System.Threading.Thread.Sleep(1000);
// const int blockSize = 5;
// var comments = GetTasksComments(taskId, blockNumber);
// var jsonModel = new JsonModel
// {
// NoMoreData = comments.Count < blockSize,
// HtmlString = RenderPartialViewToString("_CommentViewPartial", comments),
// };
// return Json(jsonModel);
//}
private string RenderPartialViewToString(string viewName, CommentViewModel comment)
{
if (string.IsNullOrEmpty(viewName))
{
viewName = ControllerContext.RouteData.GetRequiredString("action");
}
ViewData.Model = comment;
using (var sw = new StringWriter())
{
var viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, viewName);
var viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);
viewResult.View.Render(viewContext, sw);
return sw.GetStringBuilder().ToString();
}
}