public class CalloutData{
    public string username;
    public string token;
    public string price_at_creation;
    public string price_now;
    public string gains;
    public string addedDate;
    public string ca;
}


public static class HelperMethods{
    public static DateTime GetNextMonday(DateTime dt){
        // Calculate days until next Monday
        int daysUntilMonday = ((int)DayOfWeek.Monday - (int)dt.DayOfWeek + 7) % 7;
        
        // If dt is already Monday, move to the next Monday
        if (daysUntilMonday == 0)
        {
            daysUntilMonday = 7;
        }
        
        // Add the calculated days to the current date
        return dt.AddDays(daysUntilMonday);
    }

    public static DateTime GetNextFirstDay(DateTime dt){
        return new DateTime(dt.Year, dt.Month+1, 1);
    }
}