private string replacePatterns(string input, user user, order order = null)
{
string output = input;
Regex r = new Regex(@"\[(.+?)\]", RegexOptions.IgnoreCase);
Match m = r.Match(input);
while (m.Success)
{
try
{
string pat = m.Groups[1].Value;
string newVal = $"[{pat}]";
var arr = pat.Split('.');
if (arr[0] == "user")
{
newVal = user.GetType().GetProperty(arr[1]).GetValue(user, null).ToString();
}
else if (arr[0] == "order")
{
newVal = order.GetType().GetProperty(arr[1]).GetValue(order, null).ToString();
}
output = output.Replace($"[{pat}]", newVal);
}
catch { }
m = m.NextMatch();
}
return(output);
}