private static void DeleteAllCommand()
        {
            Console.WriteLine("Deleting all...");

            var controller = new CommandController();
            var result     = controller.DeleteAll();

            Console.WriteLine(result ? "Data were deleted successfully." : "Unable to delete all.");
        }
        private static void PopulateCommand()
        {
            var controller = new CommandController();
            var result     = controller.Populate();

            if (result == false)
            {
                Console.WriteLine("Error occured while populating databases.");
                DeleteAllCommand();
            }
            else
            {
                Console.WriteLine("Databases were populated successfully.");
            }
        }