getPreparedHashMap

DinnerExpandableListAdapter.java

    private TreeMap<Date, List<Dinner>> getPreparedHashMap(Dinner[] dinners) {
        TreeMap<Date, List<Dinner>> preparedRows = new TreeMap<>();

        Calendar calendarInstance = Calendar.getInstance();
        calendarInstance.setTime(TimeUtils.getSaturdayDate(new Date()));

        for (int i = 0; i < TimeUtils.DAYS_IN_PLANNER; i++) {
            Date date = calendarInstance.getTime();

            List<Dinner> dinnersList = new ArrayList<>();
            for (Dinner dinner : dinners) {
                if (dinner.getDate().getTime() == date.getTime()) {
                    dinnersList.add(dinner);
                }
            }
            preparedRows.put(date, dinnersList);

            calendarInstance.roll(Calendar.DATE, true);
        }
        return preparedRows;
    }