private FIT_RESULT addToRoster(WeekRoster roster, Child currentChild, AttendanceRequest bringWish)
{
List<Child> children = roster.getChildren(bringWish.Dayparts);
List<Caregiver> caregivers = roster.getCaregivers(bringWish.Dayparts);
if (children.Count >= 13) // TODO: remove magic numbers
return FIT_RESULT.FULL;
if (children.Count + 1 - caregivers.Count * 5 > 0) // TODO: remove magic numbers
return FIT_RESULT.INSUFFICIENT_CAREGIVERS;
// TODO: max 3 babies
roster.addChild(bringWish.Dayparts, currentChild);
return FIT_RESULT.SUCCESS;
}
private bool addCaregiver(WeekRoster roster, List<Caregiver> caregivers, AttendanceRequest bringWish)
{
List<Caregiver> rosteredCaregivers = roster.getCaregivers();
// first see if we can add a new parent before shifting
Caregiver availableCaregiver = getAvailableCaregiver(caregivers.Except(rosteredCaregivers).ToList(), bringWish);
if (availableCaregiver != null)
{
roster.addCaregiver(bringWish.Dayparts, availableCaregiver);
return true;
}
else
{
return shiftCaregiver(roster, caregivers, rosteredCaregivers, bringWish);
}
}
public WeekRoster getRoster(List<Caregiver> caregivers, List<Child> children)
{
WeekRoster roster = new WeekRoster();
foreach(Child currentChild in children)
{
//There are many AttendanceRequest,.. todo select period that matters.
//var period = currentChild.AttendanceRequest.FirstOrDefault();
//foreach (DayPart daypart in period.Dayparts.ToParts())
//AttendanceRequest bringWish = new AttendanceRequest(daypart);
foreach (AttendanceRequest bringWish in currentChild.AttendanceRequest)
{
FIT_RESULT result = addToRoster(roster, currentChild, bringWish);
switch (result)
{
case FIT_RESULT.FULL:
if (shiftChild(roster, bringWish))
result = addToRoster(roster, currentChild, bringWish);
break; // TODO I don't want to break here, as there might not be sufficient parents now, but cannot reset result of course, maybe use stacked ifs instead of switch?
case FIT_RESULT.INSUFFICIENT_CAREGIVERS:
if (addCaregiver(roster, caregivers, bringWish))
result = addToRoster(roster, currentChild, bringWish);
break;
default:
break;
}
if (result != FIT_RESULT.SUCCESS)
{
// could not place child, error or report and go on and let human fix it?
Console.WriteLine("Failure: " + result + " for child " + currentChild);
}
}
}
return roster;
}
private bool shiftCaregiver(WeekRoster roster, List<Caregiver> parents, List<Caregiver> rosteredParents, AttendanceRequest bringWish)
{
// TODO: see if a parent can move to this day, put another on that day and move, return true on success
// TODO: check if not exceeding max number with adding the parent's children
return false;
}
private bool shiftChild(WeekRoster roster, AttendanceRequest bringWish)
{
// TODO: see if a child can move away from this day, put it there, return true on success
return false;
}