isAfter function
check if the string is a date that's after the specified date
If date
is not passed, it defaults to now.
Implementation
bool isAfter(String? str, [date]) {
if (date == null) {
date = new DateTime.now();
} else if (isDate(date)) {
date = DateTime.parse(date);
} else {
return false;
}
DateTime str_date;
try {
str_date = DateTime.parse(str!);
} catch (e) {
return false;
}
return str_date.isAfter(date);
}