readTimestamp function
Implementation
String readTimestamp(int? timestamp) {
DateTime date = DateTime.fromMillisecondsSinceEpoch((timestamp ?? 0) * 1000);
String time =
'${date.year.toString()}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')} ${date.hour.toString().padLeft(2, '0')}:${date.minute.toString().padLeft(2, '0')}';
if (date.hour == 0 && date.minute == 0) {
time = '${date.year.toString()}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
}
return time;
}