private void AddButton_Click(object sender, RoutedEventArgs e)
{
MacroFileInfo old_macros;
string[] _;
(old_macros, _) = CommonLib.OpenDayFile(day_file_path);
MacroFileInfo new_macros = new MacroFileInfo(
old_macros.kcals + Int32.Parse(KCalInput.Text),
old_macros.protein + Int32.Parse(ProteinInput.Text),
old_macros.carbs + Int32.Parse(CarbsInput.Text),
old_macros.fats + Int32.Parse(FatsInput.Text)
);
string[] completion_levels = new string[4] {
GetCompletionLevel(new_macros.kcals, current_user.KCalGoal),
GetCompletionLevel(new_macros.protein, current_user.ProteinGoal),
GetCompletionLevel(new_macros.carbs, current_user.CarbsGoal),
GetCompletionLevel(new_macros.fats, current_user.FatsGoal)
};
CommonLib.UpdateDayFile(day_file_path, new_macros, completion_levels);
content_frame.Content = new UserHomePage(content_frame, current_user);
}