Change DateTime To A Friendly Name

Here is a simple extension method to convert a DateTime type to a friendly name like "Today" or "Yesterday," as you see in some file browsers.

public static string ToFriendlyDateString(this DateTime input)
{
var formattedDate = string.Empty;
if (input.Date == DateTime.Today)
{
formattedDate = nameof(DateTime.Today);
}
else
{
formattedDate = input.Date == DateTime.Today.AddDays(-1) ? "Yesterday" :
input.Date > DateTime.Today.AddDays(-6) ?
input.ToString("dddd").ToString() :
input.ToString(CultureInfo.CurrentCulture.DateTimeFormat.LongDatePattern,
CultureInfo.CurrentCulture);
}
formattedDate += " @ " + input.ToString(CultureInfo.CurrentCulture.DateTimeFormat.LongTimePattern,
CultureInfo.CurrentCulture).ToLower();
return formattedDate;
}