357 lines
12 KiB
C#
357 lines
12 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
|
|
namespace spplus;
|
|
|
|
public class CourseCrafter
|
|
{
|
|
public class CourseInstance
|
|
{
|
|
public Sport Sport = null!;
|
|
public int Remaining;
|
|
public List<string> Students = new();
|
|
}
|
|
public static List<(int Semester, CourseInstance Instance)> GeneratedCourses
|
|
= new();
|
|
|
|
public static void Craft()
|
|
{
|
|
GeneratedCourses = new();
|
|
int globalCount = 0;
|
|
List<(Sport, List<string>)> initial_sportlist = new();
|
|
List<string>[] students_in_semester = new List<string>[4] { new(), new(), new(), new() };
|
|
foreach (var sp in Settings.Instance.Sports)
|
|
{
|
|
initial_sportlist.Add((sp, new()));
|
|
}
|
|
|
|
foreach (Student s in Settings.Instance.Students)
|
|
{
|
|
foreach (var sp in s.SelectedCourseNames)
|
|
{
|
|
foreach (var item in initial_sportlist)
|
|
{
|
|
if (item.Item1.AlternativeNames.Contains(sp))
|
|
{
|
|
item.Item2.Add(s.ID);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
while (!requestExit())
|
|
{
|
|
Console.WriteLine($"Calculating... ({globalCount})");
|
|
foreach (var item in initial_sportlist)
|
|
{
|
|
if (item.Item2.Count >= item.Item1.MinStudents)
|
|
{
|
|
int semester = getSemesterForSport(item.Item1);
|
|
if (semester <= 0) goto semeq0;
|
|
var inst = new CourseInstance();
|
|
inst.Sport = item.Item1;
|
|
inst.Students = new List<string>();
|
|
// int dist = 1;
|
|
for (int i = item.Item2.Count - 1; i >= 0; i--)
|
|
{
|
|
if (inst.Students.Count >= inst.Sport.MaxStudents)
|
|
break;
|
|
|
|
string stud = item.Item2[i];
|
|
|
|
if (!students_in_semester[semester - 1].Contains(stud))
|
|
{
|
|
inst.Students.Add(stud);
|
|
students_in_semester[semester - 1].Add(stud);
|
|
item.Item2.RemoveAt(i);
|
|
}
|
|
}
|
|
if (inst.Students.Count < inst.Sport.MinStudents)
|
|
{
|
|
// Rückgängig machen
|
|
foreach (var s in inst.Students)
|
|
{
|
|
students_in_semester[semester-1].Remove(s);
|
|
item.Item2.Add(s);
|
|
}
|
|
continue; // Kurs nicht erstellen
|
|
}
|
|
GeneratedCourses.Add((semester, inst));
|
|
|
|
MainWindow.Instance.TbResultLog.Text += ($"{semester} -> {inst.Students.Count}\n");
|
|
MainWindow.Instance.TbResultLog.Text += ($"{students_in_semester[0].Count} - {students_in_semester[1].Count} - {students_in_semester[2].Count} - {students_in_semester[3].Count}\n\n");
|
|
}
|
|
|
|
semeq0: ;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
// Kurse auffüllen (mit restl. Leuten)
|
|
foreach (var item in initial_sportlist)
|
|
{
|
|
if (item.Item2.Count > 0)
|
|
{
|
|
foreach (var ci in GeneratedCourses)
|
|
{
|
|
|
|
if (item.Item1.ID == ci.Instance.Sport.ID)
|
|
{
|
|
int semester = ci.Semester;
|
|
List<string> added = new();
|
|
foreach (string stud in item.Item2)
|
|
{
|
|
if (ci.Instance.Students.Count >= ci.Instance.Sport.MaxStudents) break;
|
|
if (!students_in_semester[semester-1].Contains(stud))
|
|
{
|
|
ci.Instance.Students.Add(stud);
|
|
students_in_semester[semester-1].Add(stud);
|
|
//ci.Instance.Students.Add(stud);
|
|
added.Add(stud);
|
|
}
|
|
}
|
|
|
|
// Hinzugefügte aus Initialkurs entfernen
|
|
foreach (string s in added)
|
|
{
|
|
item.Item2.Remove(s);
|
|
}
|
|
}
|
|
MainWindow.Instance.TbResultLog.Text += ($"{ci.Semester} -> {ci.Instance.Students.Count}\n");
|
|
MainWindow.Instance.TbResultLog.Text += ($"{students_in_semester[0].Count} - {students_in_semester[1].Count} - {students_in_semester[2].Count} - {students_in_semester[3].Count}\n\n");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// Kurs umdisponieren (besser verteilen)
|
|
// Kurs umdisponieren (besser verteilen)
|
|
bool changed;
|
|
int maxIterations = 20;
|
|
int iteration = 0;
|
|
|
|
do
|
|
{
|
|
changed = false;
|
|
iteration++;
|
|
|
|
// nach Sport gruppieren
|
|
var sports = GeneratedCourses
|
|
.GroupBy(c => c.Instance.Sport.ID);
|
|
|
|
foreach (var sportGroup in sports)
|
|
{
|
|
var courses = sportGroup.ToList();
|
|
|
|
// paarweise vergleichen
|
|
for (int i = 0; i < courses.Count; i++)
|
|
{
|
|
for (int j = 0; j < courses.Count; j++)
|
|
{
|
|
if (i == j) continue;
|
|
|
|
var cA = courses[i];
|
|
var cB = courses[j];
|
|
|
|
// nur sinnvoll, wenn Unterschied
|
|
if (cA.Instance.Students.Count <= cB.Instance.Students.Count + 1)
|
|
continue;
|
|
|
|
// Kandidaten aus A nach B verschieben
|
|
for (int k = cA.Instance.Students.Count - 1; k >= 0; k--)
|
|
{
|
|
string stud = cA.Instance.Students[k];
|
|
|
|
// 1. Zielsemester frei?
|
|
if (!isStudentFree(cB.Semester, stud))
|
|
continue;
|
|
|
|
// 2. Zielkurs hat noch Platz?
|
|
if (cB.Instance.Students.Count >= cB.Instance.Sport.MaxStudents)
|
|
continue;
|
|
|
|
// 3. Quellkurs darf nicht unter Min fallen
|
|
if (cA.Instance.Students.Count - 1 < cA.Instance.Sport.MinStudents)
|
|
continue;
|
|
|
|
// --- MOVE durchführen ---
|
|
cA.Instance.Students.RemoveAt(k);
|
|
students_in_semester[cA.Semester - 1].Remove(stud);
|
|
|
|
cB.Instance.Students.Add(stud);
|
|
students_in_semester[cB.Semester - 1].Add(stud);
|
|
|
|
changed = true;
|
|
break; // nach jedem Move neu bewerten
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} while (changed && iteration < maxIterations);
|
|
|
|
int getSemester()
|
|
{
|
|
//int sem = 0;
|
|
if (GeneratedCourses.Count == 0) return 1; // zunächst im ersten Semester beginnen
|
|
int[] semcount = new int[4] {0,0,0,0}; // Anzahl der generierten Kurse im jeweiligen Semester
|
|
foreach (var inst in GeneratedCourses)
|
|
{
|
|
semcount[inst.Semester - 1]++; // ...füllen
|
|
}
|
|
|
|
for (int i = 0; i<semcount.Length; i++) // durchlaufen und prüfen
|
|
{
|
|
if (semcount[i] < Settings.Instance.NumCoursesPerSemester)
|
|
{
|
|
return i+1; // Semester zurückgeben, wenn genug da sind
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool isStudentFree(int semester, string studentID)
|
|
{
|
|
foreach (var inst in GeneratedCourses)
|
|
{
|
|
if (semester != inst.Semester) continue;
|
|
foreach (string stud in inst.Instance.Students)
|
|
{
|
|
if (stud == studentID) return false; // Schüler in genanntem Semester bereits gefunden
|
|
}
|
|
}
|
|
|
|
// Schüler nicht gefunden:
|
|
return true;
|
|
}
|
|
|
|
|
|
bool requestExit()
|
|
{
|
|
globalCount++;
|
|
// max Kursanzahl
|
|
if (GeneratedCourses.Count >= Settings.Instance.NumCoursesPerSemester * 4) return true;
|
|
|
|
|
|
int low = 0;
|
|
foreach (var item in initial_sportlist)
|
|
{
|
|
if (item.Item2.Count < item.Item1.MinStudents) low++;
|
|
}
|
|
|
|
if (low >= initial_sportlist.Count) return true;
|
|
|
|
if (globalCount >= 12) return true;
|
|
return false;
|
|
}
|
|
|
|
foreach (var tuple in initial_sportlist)
|
|
{
|
|
MainWindow.Instance.TbResultTextout.Text += $"{tuple.Item1}: {tuple.Item2.Count} remaining\n";
|
|
}
|
|
|
|
int getSemesterForSport(Sport sp)
|
|
{
|
|
int[] semcount = new int[4] {0,0,0,0};
|
|
|
|
foreach (var inst in GeneratedCourses)
|
|
{
|
|
semcount[inst.Semester - 1]++;
|
|
}
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
// 1. Ist der Sport in diesem Semester erlaubt?
|
|
if (sp.Semester[i] == 0) continue;
|
|
|
|
// 2. Ist noch Platz für Kurse?
|
|
if (semcount[i] < Settings.Instance.NumCoursesPerSemester)
|
|
{
|
|
return i + 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
public static string GenerateStatistics()
|
|
{
|
|
string sb = $"Generierte Kurse: {GeneratedCourses.Count}\n\n";
|
|
foreach (var genc in GeneratedCourses)
|
|
{
|
|
sb += $"Sem. {genc.Semester}: {genc.Instance.Sport.Name} ({genc.Instance.Students.Count} SuS)\n";
|
|
}
|
|
|
|
|
|
|
|
return sb;
|
|
}
|
|
|
|
public static string GenerateStatisticsOld()
|
|
{
|
|
var settings = Settings.Instance;
|
|
var students = settings.Students;
|
|
|
|
if (GeneratedCourses == null || GeneratedCourses.Count == 0)
|
|
return "Keine Kurse generiert.";
|
|
|
|
int semesterCount = students
|
|
.Where(s => s.Result != null)
|
|
.Select(s => s.Result!.Count)
|
|
.DefaultIfEmpty(0)
|
|
.Max();
|
|
|
|
var sb = new System.Text.StringBuilder();
|
|
|
|
sb.AppendLine($"Anzahl generierter Kurse: {GeneratedCourses.Count}");
|
|
sb.AppendLine("Übersicht:");
|
|
|
|
// ===== Kursübersicht =====
|
|
var grouped = GeneratedCourses
|
|
.GroupBy(g => new { g.Semester, g.Instance.Sport.Name })
|
|
.OrderBy(g => g.Key.Semester)
|
|
.ThenBy(g => g.Key.Name);
|
|
|
|
foreach (var group in grouped)
|
|
{
|
|
int counter = 1;
|
|
|
|
foreach (var entry in group)
|
|
{
|
|
int semester = group.Key.Semester + 1;
|
|
string sportName = group.Key.Name;
|
|
string number = counter.ToString("D2");
|
|
int count = entry.Instance.Students.Count;
|
|
|
|
sb.AppendLine(
|
|
$"Semester {semester}: {sportName} {number}: {count} Schüler*innen"
|
|
);
|
|
|
|
counter++;
|
|
}
|
|
}
|
|
|
|
sb.AppendLine();
|
|
sb.AppendLine("Fehlerübersicht:");
|
|
|
|
// ===== Fehler pro Semester =====
|
|
for (int sem = 0; sem < semesterCount; sem++)
|
|
{
|
|
int errors = students.Count(st =>
|
|
st.Result != null &&
|
|
st.Result.Count > sem &&
|
|
st.Result[sem] == "Fehler");
|
|
|
|
sb.AppendLine($"Semester {sem + 1}: {errors} Fehler");
|
|
}
|
|
|
|
return sb.ToString();
|
|
}
|
|
}
|