getAge method
Gets the session age.
Implementation
Duration getAge() {
final createdAtStr = _session['created_at'];
if (createdAtStr == null) {
return Duration.zero;
}
final createdAt = DateTime.tryParse(createdAtStr);
if (createdAt == null) {
return Duration.zero;
}
return DateTime.now().difference(createdAt);
}