选课

src/Jiaowu.Api/Domain/Academic/CourseSelectionEntities.cs

@@ -36,6 +36,7 @@ public sealed class CourseEnrollment : EntityBase
     public Guid StudentId { get; set; }
     public Student? Student { get; set; }
     public CourseEnrollmentStatus Status { get; set; } = CourseEnrollmentStatus.Enrolled;
+    public EnrollmentType EnrollmentType { get; set; } = EnrollmentType.Normal;
     public DateTime EnrolledAt { get; set; } = DateTime.UtcNow;
     public DateTime? WithdrawnAt { get; set; }
 }
@@ -52,3 +53,9 @@ public enum CourseEnrollmentStatus
     Enrolled = 1,
     Withdrawn = 2
 }
+
+public enum EnrollmentType
+{
+    Normal = 1,
+    Retake = 2
+}