MealListHelper-final.java

private Date getSaturdayDate(Date date) {

        if(date == null){
            date = new Date();
        }

        Calendar calendarInstance = Calendar.getInstance();
        calendarInstance.setTime(date);

        int dayOfWeek = calendarInstance.get(Calendar.DAY_OF_WEEK);
        if (dayOfWeek == Calendar.SATURDAY) {
            return date;
        }

        calendarInstance.add(Calendar.DAY_OF_WEEK, -dayOfWeek);
        return calendarInstance.getTime();
    }