Example #1
0
        private static void removeByShiftRotation(Dictionary <string, Worker> workers, int day, Shift shift)
        {
            if (day == 0)
            {
                return;
            }
            List <string> toRemove = new List <string>();

            foreach (Worker w in workers.Values)
            {
                if (w.Assignments.ContainsKey(day - 1))
                {
                    Assignment prevDayAssignment = w.Assignments[day - 1];
                    if (prevDayAssignment.Shift.ProhibitsFollowingShifts.Contains(shift.ID))
                    {
                        toRemove.Add(w.ID);
                    }
                }
            }
            foreach (string wr in toRemove)
            {
                Console.WriteLine("\t\t\tRemoving " + wr);
                workers.Remove(wr);
            }
        }
Example #2
0
        public static void TryFill()
        {
            foreach (Worker w in Workers.Values)
            {
                int sum   = 0;
                int count = 0;
                foreach (string shiftID in w.MaxShifts.Keys)
                {
                    count++;
                    sum += Shifts[shiftID].Length;
                }
                int avgShiftLength = sum / count;
                int moreMinutes    = w.MinTotalMinutes - w.WorkedMinutes + (w.MaxTotalMinutes - w.MinTotalMinutes) / 2;
                int moreShifts     = moreMinutes / avgShiftLength;

                int moreGiven = 0;
                for (int day = 0; day < Days; day++)
                {
                    if (w.WorkedMinutes >= w.MinTotalMinutes)
                    {
                        break;
                    }
                    if (w.DaysOff.Contains(day))
                    {
                        continue;
                    }
                    if (!w.Assignments.ContainsKey(day))
                    {
                        int holeLeftLength = 0;
                        int dayBack        = 1;
                        while (true)
                        {
                            if (w.DaysOff.Contains(day - dayBack))
                            {
                                break;
                            }
                            if (w.Assignments.ContainsKey(day - dayBack) || day - dayBack < 1)
                            {
                                break;
                            }
                            else
                            {
                                holeLeftLength++;
                            }
                            dayBack++;
                        }
                        int holeRightLength = 0;
                        int dayForward      = 1;
                        while (true)
                        {
                            if (w.DaysOff.Contains(day + dayForward))
                            {
                                break;
                            }
                            if (w.Assignments.ContainsKey(day + dayForward) || day + dayForward > Days - 1)
                            {
                                break;
                            }
                            else
                            {
                                holeRightLength++;
                            }
                            dayForward++;
                        }

                        int holeLength = holeLeftLength + holeRightLength + 1;

                        int sectionLeftLength = 0;
                        dayBack = holeLeftLength + 1;
                        while (true)
                        {
                            if (w.DaysOff.Contains(day - dayBack))
                            {
                                break;
                            }
                            if (!w.Assignments.ContainsKey(day - dayBack) || day - dayBack < 0)
                            {
                                break;
                            }
                            else
                            {
                                sectionLeftLength++;
                            }
                            dayBack++;
                        }

                        int sectionRightLength = 0;
                        dayForward = holeRightLength + 1;
                        while (true)
                        {
                            if (w.DaysOff.Contains(day + dayForward))
                            {
                                break;
                            }
                            if (!w.Assignments.ContainsKey(day + dayForward) || day + dayForward > Days)
                            {
                                break;
                            }
                            else
                            {
                                sectionRightLength++;
                            }
                            dayForward++;
                        }

                        if (sectionLeftLength + holeLength + sectionRightLength <= w.MaxConsecutiveShifts)
                        {
                            List <Assignment> aas = new List <Assignment>();
                            int mw  = 0;
                            int cnt = 0;
                            for (int i = day - holeLeftLength; i < day - holeLeftLength + holeLength; i++)
                            {
                                Assignment a = new Assignment();
                                a.Day    = i;
                                a.Worker = w;
                                a.Shift  = null;
                                if (w.ShiftOnRequests.ContainsKey(i))
                                {
                                    a.Shift = Shifts[w.ShiftOnRequests[i].ID];
                                }
                                else
                                {
                                    foreach (string shiftID in w.MaxShifts.Keys)
                                    {
                                        if (w.WorkedShiftsByType(shiftID) + 1 >= w.MaxShifts[shiftID])
                                        {
                                            continue;
                                        }
                                        else
                                        {
                                            Shift prevShift = null;
                                            if (aas.Count > 0)
                                            {
                                                prevShift = aas.Last().Shift;
                                            }
                                            else
                                            {
                                                if (w.Assignments.ContainsKey(day - holeLeftLength - 1))
                                                {
                                                    prevShift = w.Assignments[day - holeLeftLength - 1].Shift;
                                                }
                                            }
                                            if (prevShift != null && !Shifts[prevShift.ID].ProhibitsFollowingShifts.Contains(shiftID))
                                            {
                                                if (w.Assignments.ContainsKey(day + holeRightLength + 1) && !w.Assignments[day + holeRightLength + 1].Shift.ProhibitsFollowingShifts.Contains(shiftID))
                                                {
                                                    a.Shift = Shifts[shiftID];
                                                    break;
                                                }
                                                else if (!w.Assignments.ContainsKey(day + holeRightLength + 1))
                                                {
                                                    a.Shift = Shifts[shiftID];
                                                    break;
                                                }
                                            }
                                        }
                                    }
                                }
                                if (a.Shift != null)
                                {
                                    cnt++;
                                    aas.Add(a);
                                    bool isWeekend = false;
                                    if ((i + 1) % 7 == 0 || (i + 2) % 7 == 0)
                                    {
                                        mw++;
                                    }
                                    moreGiven++;
                                }
                            }
                            if (w.WorkedWeekends + mw > w.MaxWeekends)
                            {
                                continue;
                            }
                            else
                            {
                                foreach (Assignment a in aas)
                                {
                                    w.Assignments[a.Day] = a;
                                }
                            }
                        }
                    }
                }
            }
        }
Example #3
0
 public static void ExpandRight()
 {
     foreach (Worker w in Workers.Values)
     {
         for (int day = 0; day < Days; day++)
         {
             if (!w.Assignments.ContainsKey(day))
             {
                 continue;
             }
             Shift lastShift      = w.Assignments[day].Shift;
             int   numConsecutive = 1;
             for (int d = day - 1; d >= 0; d--)
             {
                 if (w.Assignments.ContainsKey(d))
                 {
                     numConsecutive++;
                 }
                 else
                 {
                     break;
                 }
             }
             int numFree = 0;
             while (true)
             {
                 Console.WriteLine(day + " " + numFree);
                 if (day + numFree + 1 >= Days)
                 {
                     break;
                 }
                 if (w.Assignments.ContainsKey(day + numFree + 1))
                 {
                     break;
                 }
                 else
                 {
                     numFree++;
                 }
             }
             for (int d = day + 1; d < day + 1 + numFree - w.MinConsecutiveDaysOff; d++)
             {
                 if ((d + 1) % 7 == 0 || (d + 2) % 7 == 0)
                 {
                     break;
                 }
                 if (w.DaysOff.Contains(d))
                 {
                     break;
                 }
                 if (numConsecutive >= w.MaxConsecutiveShifts)
                 {
                     break;
                 }
                 if (w.WorkedShiftsByType(lastShift.ID) >= w.MaxShifts[lastShift.ID])
                 {
                     break;
                 }
                 if (w.WorkedMinutes + lastShift.Length > w.MaxTotalMinutes)
                 {
                     break;
                 }
                 Assignment a = new Assignment();
                 a.Day            = d;
                 a.Worker         = w;
                 a.Shift          = lastShift;
                 w.Assignments[d] = a;
                 numConsecutive++;
             }
         }
     }
 }
Example #4
0
        public static void ExpandLeft()
        {
            foreach (Worker w in Workers.Values)
            {
                for (int day = 1; day < Days; day++)
                {
                    if (w.Assignments.ContainsKey(day) && !w.Assignments.ContainsKey(day - 1))
                    {
                        Shift nextShift = w.Assignments[day].Shift;
                        int   back      = 0;
                        while (true)
                        {
                            if (day - back - 1 < 0)
                            {
                                break;
                            }
                            if (w.Assignments.ContainsKey(day - back - 1))
                            {
                                break;
                            }
                            else
                            {
                                back++;
                            }
                        }
                        int sectionLength = 0;
                        while (true)
                        {
                            if (!w.Assignments.ContainsKey(day + sectionLength))
                            {
                                break;
                            }
                            else
                            {
                                sectionLength++;
                            }
                        }
                        if (sectionLength >= w.MaxConsecutiveShifts)
                        {
                            continue;
                        }
                        if (back <= w.MinConsecutiveDaysOff)
                        {
                            continue;
                        }

                        for (int d = 1; d < back - w.MinConsecutiveDaysOff; d++)
                        {
                            if (w.DaysOff.Contains(day - d))
                            {
                                break;
                            }
                            Shift possibleShift = null;
                            foreach (Shift s in Shifts.Values)
                            {
                                if (ShiftCanBeBefore(s.ID, nextShift.ID))
                                {
                                    possibleShift = s;
                                    break;
                                }
                            }
                            possibleShift = nextShift;
                            if (possibleShift != null)
                            {
                                if (w.WorkedMinutes + possibleShift.Length > w.MaxTotalMinutes)
                                {
                                    break;
                                }
                                Assignment a = new Assignment();
                                a.Day    = day - d;
                                a.Shift  = possibleShift;
                                a.Worker = w;

                                w.Assignments[day - d] = a;
                                nextShift = possibleShift;

                                Console.WriteLine("Left");
                                Console.WriteLine(w.ID);
                                Console.WriteLine(day - d);
                            }
                        }
                    }
                }
            }
        }
Example #5
0
        private static void removeByMaxTotalMinutes(Dictionary <string, Worker> workers, Shift shift)
        {
            List <string> toRemove = new List <string>();

            foreach (Worker w in workers.Values)
            {
                if (w.WorkedMinutes + shift.Length > w.MaxTotalMinutes)
                {
                    toRemove.Add(w.ID);
                }
            }
            foreach (string wr in toRemove)
            {
                Console.WriteLine("\t\t\tRemoving " + wr);
                workers.Remove(wr);
            }
        }