private void Switch(Daycare dc, Wish wish)
{
try
{
var team = dc.Teams[wish.Employee.Team];
AdjustTeamByWish(team, wish, dc.Employees.Count);
var current = Convert.ToInt32(wish.Employee.Shifts[wish.Day].Shift);
var wanted = wish.WantedShift;
if (current != wanted)
{
AdjustDaycareByWish(dc, wish, current);
}
}
catch (Exception e)
{
throw e;
}
}
private void AdjustTeamByWish(Team team, Wish wish, int empCount)
{
var teamFirst = team.TeamEmp.FindIndex(e => e.Shifts[wish.Day].Shift <= (empCount / 3 - 1));
var teamLast = team.TeamEmp.FindIndex(e => e.Shifts[wish.Day].Shift >= (empCount / 3 * 2));
var teamMiddle = team.TeamEmp.FindIndex(e => e.Shifts[wish.Day].Shift >= (empCount / 3) &&
e.Shifts[wish.Day].Shift <= (empCount / 3 * 2 - 1));
var wisher = team.TeamEmp.FindIndex(e => e == wish.Employee);
if (wish.WantedShift <= (empCount / 3 - 1) && team.TeamEmp[teamFirst] != wish.Employee)
{
if (team.TeamEmp[teamFirst].Shifts[wish.Day].Locked)
{
throw new Exception($"Two wishes in same team for same time on day {wish.Day}. Remove one.");
}
var current = team.TeamEmp[teamFirst].Shifts[wish.Day];
var newSwitch = wish.Employee.Shifts[wish.Day];
team.TeamEmp[teamFirst].Shifts[wish.Day] = newSwitch;
team.TeamEmp[wisher].Shifts[wish.Day] = current;
}
else if (wish.WantedShift <= (empCount / 3 * 2 - 1) && wish.WantedShift >= (empCount / 3) && team.TeamEmp[teamMiddle] != wish.Employee)
{
if (team.TeamEmp[teamMiddle].Shifts[wish.Day].Locked)
{
throw new Exception($"Two wishes in same team for same time on day {wish.Day}. Remove one.");
}
var current = team.TeamEmp[teamMiddle].Shifts[wish.Day];
var newSwitch = wish.Employee.Shifts[wish.Day];
team.TeamEmp[teamMiddle].Shifts[wish.Day] = newSwitch;
team.TeamEmp[wisher].Shifts[wish.Day] = current;
}
else if (wish.WantedShift >= (empCount / 3 * 2) && team.TeamEmp[teamLast] != wish.Employee)
{
if (team.TeamEmp[teamLast].Shifts[wish.Day].Locked)
{
throw new Exception($"Two wishes in same team for same time on day {wish.Day}. Remove one.");
}
var current = team.TeamEmp[teamLast].Shifts[wish.Day];
var newSwitch = wish.Employee.Shifts[wish.Day];
team.TeamEmp[teamLast].Shifts[wish.Day] = newSwitch;
team.TeamEmp[wisher].Shifts[wish.Day] = current;
}
}
private void AdjustDaycareByWish(Daycare dc, Wish wish, int current)
{
if (current >= dc.Employees.Count / 3 && current <= dc.Employees.Count / 3 * 2 - 1)
{
return;
}
var shiftList = PossibleShifts(wish.WantedShift, dc.Teams.Count);
shiftList.Remove(current);
foreach (var item in shiftList)
{
var emp = dc.Employees.Find(e => Convert.ToInt32(e.Shifts[wish.Day].Shift) == item);
if (!emp.Shifts[wish.Day].Locked)
{
var oldShift = wish.Employee.Shifts[wish.Day].Shift;
var newShift = emp.Shifts[wish.Day].Shift;
wish.Employee.Shifts[wish.Day].Shift = newShift;
emp.Shifts[wish.Day].Shift = oldShift;
wish.Employee.Shifts[wish.Day].Locked = true;
break;
}
}
}