generateTimeIntervals function

List<DateTime> generateTimeIntervals(DateTime selectedDate)

Implementation

List<DateTime> generateTimeIntervals(DateTime selectedDate) {
  final List<DateTime> intervals = [];
  final now = DateTime.now();

  if (selectedDate.year == now.year &&
      selectedDate.month == now.month &&
      selectedDate.day == now.day) {
    final start = DateTime(
      now.year,
      now.month,
      now.day,
      now.hour,
      (now.minute ~/ 15 + 1) * 15,
    );

    for (int j = 0; j < 96; j++) {
      final time = start.add(Duration(minutes: j * 15));
      if (time.day == selectedDate.day) {
        if (j == 0 && time.difference(now).inMinutes <= 5) {
          // Skip the first index if the difference is less than or equal to 5 minutes
          continue;
        }
        intervals.add(time);
      }
    }
  } else {
    final start =
        DateTime(selectedDate.year, selectedDate.month, selectedDate.day);

    for (int j = 0; j < 96; j++) {
      final time = start.add(Duration(minutes: j * 15));
      intervals.add(time);
    }
  }

  return intervals;
}