public IActionResult All()
{
if (!this.User.IsAuthenticated)
{
return(this.RedirectToLogin());
}
var sb = new StringBuilder();
var items = contestService.All();
var isAdmin = this.IsAdmin;
var email = this.User.Name;
foreach (var item in items)
{
sb.AppendLine(item.ToHtml(isAdmin, email));
}
this.ViewModel["contests"] = sb.ToString();
return(View());
}