addDaysToDate static method
Implementation
static DateTime addDaysToDate(DateTime date, int days) {
DateTime newDate = date.add(Duration(days: days));
if (date.hour != newDate.hour) {
final int hoursDifference = date.hour - newDate.hour;
if (hoursDifference <= 3 && hoursDifference >= -3) {
newDate = newDate.add(Duration(hours: hoursDifference));
} else if (hoursDifference <= -21) {
newDate = newDate.add(Duration(hours: 24 + hoursDifference));
} else if (hoursDifference >= 21) {
newDate = newDate.add(Duration(hours: hoursDifference - 24));
}
}
return newDate;
}