private static void ReadData()
{
XmlTextReader reader = new XmlTextReader("timetableData.xml");
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "semester":
Semester semester = new Semester();
_allSemesters.Add(semester);
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "name")
{
semester.Name = reader.Value;
}
Timetable timetable = new Timetable();
_allTimetables.Add(timetable);
timetable.Name = reader.Value;
for (int i = 0; i < 50; i++)
{
timetable.Table.Add("Block " + i + "\nFREI\n");
}
if (reader.Name == "students")
{
semester.Students = Int32.Parse(reader.Value);
}
if (reader.Name.Contains("subject"))
{
Subject semestersubject = _allSubjects.Find(s => s.Name == reader.Value);
semester.Subjects.Add(semestersubject);
}
}
}
break;
case "lecturer":
Lecturer lecturer = new Lecturer();
_allLecturers.Add(lecturer);
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "name")
{
lecturer.Name = reader.Value;
}
Timetable timetable = new Timetable();
_allTimetables.Add(timetable);
timetable.Name = reader.Value;
for (int i = 0; i < 50; i++)
{
timetable.Table.Add("Block " + i + "\nFREI\n");
}
if (reader.Name.Contains("subject"))
{
Subject lecturersubject = _allSubjects.Find(s => s.Name == reader.Value);
lecturer.Subjects.Add(lecturersubject);
}
if (reader.Name == "presence")
{
string[] words = reader.Value.Split(',');
foreach (string word in words)
{
lecturer.Availability[System.Convert.ToInt32(word)] = "free";
}
}
}
}
break;
case "classroom":
Classroom classroom = new Classroom();
_allClassrooms.Add(classroom);
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "name")
{
classroom.Name = reader.Value;
}
Timetable timetable = new Timetable();
_allTimetables.Add(timetable);
timetable.Name = reader.Value;
for (int i = 0; i < 50; i++)
{
timetable.Table.Add("Block " + i + "\nFREI\n");
}
if (reader.Name == "seats")
{
classroom.Seats = Int32.Parse(reader.Value);
}
if (reader.Name == "building")
{
classroom.Building = reader.Value;
}
if (reader.Name.Contains("equipment"))
{
classroom.Equipment.Add(reader.Value);
}
}
}
break;
case "subject":
Subject subject = new Subject();
_allSubjects.Add(subject);
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "name")
{
subject.Name = reader.Value;
}
if (reader.Name == "description")
{
subject.Description = reader.Value;
}
if (reader.Name.Contains("requirement"))
{
subject.Requirements.Add(reader.Value);
}
}
}
break;
}
}
}
reader.Close();
Console.WriteLine("Daten erfolgreich eingelesen");
}
private static void CreateTimetable()
{
int lengthLecturer = _allLecturers.Count();
int lenghtSemester = _allSemesters.Count();
int lenghtBlocks = 50;
for (int b = 0; b < lenghtBlocks; b++)
{
for (int a = 0; a < lengthLecturer; a++)
{
Lecturer selectedLecturer = _allLecturers[a];
for (int c = 0; c < lenghtSemester; c++)
{
Semester selectedSemester = _allSemesters[c];
if (selectedSemester.Availability[b] != "reserved")
{
foreach (Subject selectedSubject in selectedLecturer.Subjects)
{
if (selectedLecturer.Availability[b] == "free")
{
if (selectedSemester.Subjects.Exists(s => s.Name == selectedSubject.Name))
{
List <Classroom> matchingRooms = new List <Classroom>();
foreach (Classroom room in _allClassrooms)
{
if (room.Availability[b] != "reserved" && room.Seats >= selectedSemester.Students)
{
foreach (string require in selectedSubject.Requirements)
{
if (room.Equipment.Contains(require))
{
matchingRooms.Add(room);
}
}
}
}
bool isEmpty = !matchingRooms.Any();
if (isEmpty == false)
{
Classroom smallestRoom = matchingRooms[0];
foreach (Classroom matching in matchingRooms)
{
if (matching.Seats < smallestRoom.Seats)
{
smallestRoom = matching;
}
}
smallestRoom.Availability[b] = "reserved";
selectedSemester.Subjects.Remove(selectedSubject);
selectedSemester.Availability[b] = "reserved";
selectedLecturer.Availability[b] = "reserved";
SaveInTimetable(b, selectedSemester, selectedSubject, smallestRoom, selectedLecturer);
}
}
}
}
}
}
}
}
Console.WriteLine("Stundenplan wurde erstellt.");
}
private static void SaveInTimetable(int b, Semester selectedSemester, Subject selectedSubject, Classroom smallestRoom, Lecturer selectedLecturer)
{
Timetable currentTimetable;
currentTimetable = _allTimetables.Find(t => t.Name == selectedSemester.Name);
string stringBuilder;
stringBuilder = selectedSubject.Name + " (" + b + ")\n" + smallestRoom.Building + "." + smallestRoom.Name + "\n" + selectedLecturer.Name;
currentTimetable.Table[b] = stringBuilder;
currentTimetable = _allTimetables.Find(t => t.Name == selectedLecturer.Name);
stringBuilder = selectedSubject.Name + "\n" + smallestRoom.Building + "." + smallestRoom.Name;
currentTimetable.Table[b] = stringBuilder;
currentTimetable = _allTimetables.Find(t => t.Name == smallestRoom.Name);
stringBuilder = selectedSubject.Name + "\n" + selectedLecturer.Name + "\n" + selectedSemester.Name;
currentTimetable.Table[b] = stringBuilder;
}
