aufräumen

LehrerApp.Core/Models/LearningGroup.cs

@@ -5,7 +5,6 @@ public class LearningGroup
     public Guid Id { get; set; } = Guid.NewGuid();
     public string Name { get; set; } = "";
     public GroupType Type { get; set; }
-    public string? Subject { get; set; }
     public Guid? SubjectId { get; set; }
     public string SchoolYear { get; set; } = "";
     public int GradeLevel { get; set; }
@@ -17,19 +16,23 @@ public class LearningGroup
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
 }
-public class Enrollment
+/// <summary>
+/// Mitgliedschaft eines Schülers in einer Lerngruppe. Das Schuljahr gehört zur
+/// Lerngruppe und wird deshalb hier nicht ein zweites Mal gespeichert.
+/// </summary>
+public class GroupMembership
 {
-    public Guid   Id         { get; set; } = Guid.NewGuid();
-    public Guid   StudentId  { get; set; }
-    public Guid   GroupId    { get; set; }
-    public string SchoolYear { get; set; } = "";
-    public DateOnly  EnrolledAt { get; set; } = DateOnly.FromDateTime(DateTime.Today);
-    public EnrollmentPeriod Period   { get; set; } = EnrollmentPeriod.FullYear;
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public Guid StudentId { get; set; }
+    public Guid GroupId { get; set; }
+    /// <summary>Tag, an dem die Zuordnung in der App angelegt wurde.</summary>
+    public DateOnly AddedOn { get; set; } = DateOnly.FromDateTime(DateTime.Today);
+    public MembershipPeriod Period { get; set; } = MembershipPeriod.FullYear;
     public DateOnly? JoinedAt { get; set; }
     public DateOnly? LeftAt   { get; set; }
     public Niveau? Niveau { get; set; }
 }
-public enum EnrollmentPeriod { FullYear, H1Only, H2Only, Custom }
+public enum MembershipPeriod { FullYear, H1Only, H2Only, Custom }
 public enum GroupType { Class, Course }
 public enum GradingSystem { Grades1To6, Points0To15 }
 public enum Niveau { E, G, Foerder }