public string Render()
{
string htmlFile = File.ReadAllText("../../Content/feed.html");
StringBuilder bd = new StringBuilder();
foreach (var shout in Model.AllShouts)
{
bd.AppendLine("<div class=\"thumbnail\">");
bd.AppendLine($"<h4><strong><a href=\"/users/profile?userId={shout.Author.Id}\">{shout.Author.Username}</a><strong><small> {FeedHelper.CalculateTimeSincePost(shout.PostedOn)}</small></h4>");
bd.AppendLine($"<p>{shout.Content}</p></div>");
}
htmlFile = htmlFile.Replace("##feed##", bd.ToString());
return(htmlFile);
}