dateDecrease method

void dateDecrease({
  1. int day = 1,
})

Implementation

void dateDecrease({int day = 1}) {
  var firstDate = (DateTime.now().subtract(Duration(days: durationDays)));
  var decreased = (inputDate ?? DateTime.now()).subtract(Duration(days: day));
  if (decreased.isAfter(firstDate)) {
    _disablePrevious.value = false;
    onChanged?.call(decreased);
  } else {
    _disablePrevious.value = true;
    onChanged?.call(firstDate);
  }
}