static void Main(string[] args)
{
while (true)
{
var commandsPro = new Processing();
var commandsRep = new repository();
Console.WriteLine("Enter Command");
string ReadLine = Console.ReadLine();
switch (ReadLine)
{
case "Add User":
commandsPro.AddUser();
break;
case "Add Author":
commandsPro.AddAuthor();
break;
case "Print All db":
commandsRep.AllDB();
break;
}
}
}