public IEnumerable <Schedule> GenerateSchedule(int weeks = 4)
{
var lastScheduledWeek = scheduleRepository.GetLastScheduledWeek().ToList();
var lastScheduledDate = lastScheduledWeek.LastOrDefault()?.Date;
var engineerIds = engineerRepository.GetAllActive().Select(x => x.Id).ToList();
var engineerRotation = new List <Schedule>();
for (var i = 0; i < weeks; i++)
{
var startingDate = DateHelpers.NextWeekday(lastScheduledDate);
var shifts = ScheduleHelper.AssignShift(engineerIds, lastScheduledWeek);
(lastScheduledWeek, lastScheduledDate) = ScheduleHelper.ScheduleWeekRotation(startingDate, shifts);
engineerRotation.AddRange(lastScheduledWeek);
}
scheduleRepository.Save(engineerRotation);
return(engineerRotation);
}