public void Save(Planning planning)
{
this.Save(planning, false);
}
public void Save(Planning planning, bool deleteOld)
{
if (deleteOld)
{
this._db.OpenConnection();
MySqlCommand command = this._db.CreateCommand();
command.CommandText = "DELETE FROM session WHERE 1=1";
this._db.ExecuteCommand(command);
this._db.CloseConnection();
}
foreach (Session session in planning.Sessions)
{
this.Save(session);
}
}
public Planning Plan(List<Pair> pairs)
{
IniFile ini = PAZController.GetInstance().IniReader;
int max_tries = Int32.Parse(ini["AUTOPLANNERSETTINGS"]["max_tries"]);
Random r = new Random();
Planning result = new Planning();
List<Classroom> classrooms = PAZController.GetInstance().ClassroomMapper.FindAll();
List<Daytime> daytimes = PAZController.GetInstance().DaytimeMapper.FindAll();
Dictionary<Daytime, List<Classroom>> available = new Dictionary<Daytime,List<Classroom>>();
Dictionary<Daytime, List<Expert>> availableExperts = new Dictionary<Daytime, List<Expert>>();
List<Expert> allExperts = PAZController.GetInstance().ExpertMapper.FindAll();
foreach (Daytime daytime in daytimes)
{
available.Add(daytime, new List<Classroom>(classrooms));//Clone :)
List<Expert> expertsToAdd = new List<Expert>();
foreach (Expert expert in allExperts)
{
bool add = true;
foreach (Blocked_timeslot bs in expert.BlockedTimeslots)
{
if (bs.Hardblock && bs.Daytime_id == daytime.Id)
{
add = false;
break;
}
}
if (add)
{
expertsToAdd.Add(expert);
}
}
availableExperts.Add(daytime, expertsToAdd);
}
foreach (Pair pair in pairs)
{
Session session = new Session();
session.Pair = pair;
int daytimeI = r.Next(0, available.Count);
int tries = 0;
while (session.Pair.ScoreAt(available.ElementAt(daytimeI).Key) == -1 && available.ElementAt(daytimeI).Value.Count < 1 && tries < max_tries)
{
daytimeI = r.Next(0, available.Count);
++tries;
}
session.Daytime = available.ElementAt(daytimeI).Key;
int classRoomI = r.Next(0, available.ElementAt(daytimeI).Value.Count);
session.Classroom = available.ElementAt(daytimeI).Value.ElementAt(classRoomI);
available[session.Daytime].RemoveAt(classRoomI);
if (!session.Pair.HasExpert())
{
List<Expert> availableThisSlot = availableExperts.ElementAt(daytimeI).Value;
if (availableThisSlot.Count > 1)
{
session.Pair.Attachments.Add(availableThisSlot.ElementAt(0));
availableThisSlot.RemoveAt(0);
session.Pair.Attachments.Add(availableThisSlot.ElementAt(0));
availableThisSlot.RemoveAt(0);
PAZController.GetInstance().PairMapper.Save(session.Pair);
}
}
result.Sessions.Add(session);
}
if (result.GetScore() == -1)
{
return this.Plan(pairs);
}
return result;
}
