feat: add seating plan drag and quick assessment

LehrerApp.Desktop.Tests/Fakes.cs

@@ -78,8 +78,12 @@ public class FakeSessions(List<ParticipationSession> all) : IParticipationSessio
 {
     public List<ParticipationSession> GetByGroup(Guid groupId) => all.Where(s => s.GroupId == groupId).ToList();
     public ParticipationSession? GetById(Guid id) => all.FirstOrDefault(s => s.Id == id);
-    public void Save(ParticipationSession session) { }
-    public void Delete(Guid id) { }
+    public void Save(ParticipationSession session)
+    {
+        all.RemoveAll(s => s.Id == session.Id);
+        all.Add(session);
+    }
+    public void Delete(Guid id) => all.RemoveAll(s => s.Id == id);
 }
 
 public class FakeEntries : IParticipationRepository

LehrerApp.Desktop.Tests/GroupDetailViewModelTests.cs

@@ -25,7 +25,8 @@ public sealed class GroupDetailViewModelTests
                 new FakeCompetencyDomains(), TestSupport.BuildAiSettingsService()),
             new CompetencyOverviewTabViewModel(new FakeUnits(), exams, new FakeResults(),
                 new FakeCompetencyDomains(), students, new CompetencyAnalysisService()),
-            new SeatingPlanTabViewModel(new FakeSeatingPlans(), students, memberships));
+            new SeatingPlanTabViewModel(new FakeSeatingPlans(), students, memberships,
+                new FakeSessions([]), new FakeEntries(), new FakeAspects()));
 
         vm.LoadGroup(group.Id);
         vm.SelectedExam = vm.Exams.First(e => e.Id == exam.Id);

LehrerApp.Desktop.Tests/SeatingPlanViewModelTests.cs

@@ -24,7 +24,8 @@ public sealed class SeatingPlanViewModelTests
             Assignments = [new SeatAssignment { Row = 0, Column = 0, StudentId = student.Id }],
         };
         var plans = new FakeSeatingPlans([plan]);
-        var vm = new SeatingPlanTabViewModel(plans, students, memberships);
+        var vm = new SeatingPlanTabViewModel(plans, students, memberships,
+            new FakeSessions([]), new FakeEntries(), new FakeAspects());
         vm.Initialize(groupId, isReadOnly: false);
 
         vm.Seats[1].SelectedOption = vm.StudentOptions.Single(o => o.StudentId == student.Id);
@@ -40,7 +41,8 @@ public sealed class SeatingPlanViewModelTests
         var groupId = Guid.NewGuid();
         var plan = new SeatingPlan { GroupId = groupId, Name = "Standard", Rows = 1, Columns = 1 };
         var vm = new SeatingPlanTabViewModel(
-            new FakeSeatingPlans([plan]), new FakeStudents([]), new FakeMemberships([]));
+            new FakeSeatingPlans([plan]), new FakeStudents([]), new FakeMemberships([]),
+            new FakeSessions([]), new FakeEntries(), new FakeAspects());
 
         vm.Initialize(groupId, isReadOnly: true);
 
@@ -48,4 +50,74 @@ public sealed class SeatingPlanViewModelTests
         Assert.False(vm.Seats.Single().CanEdit);
         Assert.False(vm.AddPlanCommand.CanExecute(null));
     }
+
+    [Fact]
+    public void DragDrop_ZwischenBelegtenPlaetzen_TauschtDieSchueler()
+    {
+        var groupId = Guid.NewGuid();
+        var anna = new Student { FirstName = "Anna", LastName = "A" };
+        var ben = new Student { FirstName = "Ben", LastName = "B" };
+        var students = new FakeStudents([anna, ben]);
+        var memberships = new FakeMemberships([
+            new GroupMembership { GroupId = groupId, StudentId = anna.Id },
+            new GroupMembership { GroupId = groupId, StudentId = ben.Id },
+        ]);
+        var plan = new SeatingPlan
+        {
+            GroupId = groupId, Name = "Standard", Rows = 1, Columns = 2,
+            Assignments =
+            [
+                new SeatAssignment { Row = 0, Column = 0, StudentId = anna.Id },
+                new SeatAssignment { Row = 0, Column = 1, StudentId = ben.Id },
+            ],
+        };
+        var plans = new FakeSeatingPlans([plan]);
+        var vm = new SeatingPlanTabViewModel(plans, students, memberships,
+            new FakeSessions([]), new FakeEntries(), new FakeAspects());
+        vm.Initialize(groupId, isReadOnly: false);
+
+        vm.MoveSeat(vm.Seats[0], vm.Seats[1]);
+
+        Assert.Equal(ben.Id, vm.Seats[0].SelectedOption.StudentId);
+        Assert.Equal(anna.Id, vm.Seats[1].SelectedOption.StudentId);
+        Assert.Equal(2, plans.GetById(plan.Id)!.Assignments.Count);
+    }
+
+    [Fact]
+    public void SitzplatzBewertung_ErstelltHeutigeSitzungUndSpeichertAlleDreiBereiche()
+    {
+        var groupId = Guid.NewGuid();
+        var studentId = Guid.NewGuid();
+        var sessions = new FakeSessions([]);
+        var entries = new FakeEntries();
+        var vm = new SeatAssessmentViewModel(sessions, entries, new FakeAspects(),
+            groupId, studentId, "Beispiel, Anna", canEdit: true);
+
+        vm.SetRatingByNumber(5);
+        vm.ApplyAttendanceShortcut(1, clear: false);
+        vm.ApplyHomeworkShortcut(7, clear: false);
+
+        var session = Assert.Single(sessions.GetByGroup(groupId));
+        Assert.Equal(DateOnly.FromDateTime(DateTime.Today), session.Date);
+        Assert.Equal("Sitzplan", session.Comment);
+        var entry = entries.GetBySessionAndStudent(session.Id, studentId)!;
+        Assert.Equal(2, entry.Ratings.Single(r => r.Key == "quality").Value);
+        Assert.Equal(AttendanceStatus.Present, entry.Attendance);
+        Assert.Equal(HomeworkStatus.MissingOpen, entry.Homework);
+        Assert.True(entry.HomeworkMissing);
+    }
+
+    [Fact]
+    public void SitzplatzBewertung_ArchiviertOhneSitzung_LegtKeineNeueSitzungAn()
+    {
+        var groupId = Guid.NewGuid();
+        var sessions = new FakeSessions([]);
+
+        var vm = new SeatAssessmentViewModel(sessions, new FakeEntries(), new FakeAspects(),
+            groupId, Guid.NewGuid(), "Beispiel, Anna", canEdit: false);
+        vm.SetRatingByNumber(5);
+
+        Assert.False(vm.CanEdit);
+        Assert.Empty(sessions.GetByGroup(groupId));
+    }
 }