addBusinessDays method
Adds business days (excludes weekends)
Implementation
DateTime addBusinessDays(int days) {
DateTime result = this;
int addedDays = 0;
while (addedDays < days) {
result = result.add(const Duration(days: 1));
if (result.weekday != DateTime.saturday &&
result.weekday != DateTime.sunday) {
addedDays++;
}
}
return result;
}