Hatalar için düzenleme

api/src/Kurs.Platform.Domain/Classroom/Classroom.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 using Volo.Abp.Domain.Entities.Auditing;
 
 namespace Kurs.Platform.Entities;
@@ -20,6 +21,7 @@ public class Classroom : FullAuditedEntity<Guid>
     public int ParticipantCount { get; set; }
     public string SettingsJson { get; set; }
 
+    [JsonIgnore]
     public virtual ICollection<ClassroomParticipant> Participants { get; set; }
     public virtual ICollection<ClassroomAttandance> AttendanceRecords { get; set; }
     public virtual ICollection<ClassroomChat> ChatMessages { get; set; }

api/src/Kurs.Platform.Domain/Classroom/ClassroomAttandance.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Text.Json.Serialization;
 using Volo.Abp.Domain.Entities.Auditing;
 
 namespace Kurs.Platform.Entities;
@@ -12,7 +13,7 @@ public class ClassroomAttandance : FullAuditedEntity<Guid>
     public DateTime? LeaveTime { get; set; }
     public int TotalDurationMinutes { get; set; }
 
-    // Navigation properties
+    [JsonIgnore]
     public virtual Classroom Session { get; set; }
 
     protected ClassroomAttandance()

api/src/Kurs.Platform.Domain/Classroom/ClassroomChat.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Text.Json.Serialization;
 using Volo.Abp.Domain.Entities.Auditing;
 
 namespace Kurs.Platform.Entities;
@@ -15,7 +16,7 @@ public class ClassroomChat : FullAuditedEntity<Guid>
     public bool IsTeacher { get; set; }
     public string MessageType { get; set; }
 
-    // Navigation properties
+    [JsonIgnore]
     public virtual Classroom Session { get; set; }
 
     protected ClassroomChat()

api/src/Kurs.Platform.Domain/Classroom/ClassroomParticipant.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Text.Json.Serialization;
 using Volo.Abp.Domain.Entities.Auditing;
 
 namespace Kurs.Platform.Entities;
@@ -17,7 +18,7 @@ public class ClassroomParticipant : FullAuditedEntity<Guid>
     public DateTime JoinTime { get; set; }
     public string ConnectionId { get; set; }
 
-    // Navigation properties
+    [JsonIgnore]
     public virtual Classroom Session { get; set; }
 
     protected ClassroomParticipant()

api/src/Kurs.Platform.HttpApi.Host/Classroom/ClassroomHub.cs

@@ -9,6 +9,7 @@ using Volo.Abp.Guids;
 using Volo.Abp.Users;
 using System.Linq;
 using System.Text.Json;
+using Volo.Abp.Uow;
 
 namespace Kurs.Platform.Classrooms;
 
@@ -22,6 +23,7 @@ public class ClassroomHub : Hub
     private readonly ILogger<ClassroomHub> _logger;
     private readonly IGuidGenerator _guidGenerator;
     private readonly ICurrentUser _currentUser;
+    private readonly UnitOfWorkManager _unitOfWorkManager;
 
     public ClassroomHub(
         IRepository<Classroom, Guid> classSessionRepository,
@@ -30,7 +32,8 @@ public class ClassroomHub : Hub
         IRepository<ClassroomAttandance, Guid> attendanceRepository,
         ILogger<ClassroomHub> logger,
         IGuidGenerator guidGenerator,
-        ICurrentUser currentUser)
+        ICurrentUser currentUser,
+        UnitOfWorkManager unitOfWorkManager)
     {
         _classSessionRepository = classSessionRepository;
         _participantRepository = participantRepository;
@@ -39,6 +42,7 @@ public class ClassroomHub : Hub
         _logger = logger;
         _guidGenerator = guidGenerator;
         _currentUser = currentUser;
+        _unitOfWorkManager = unitOfWorkManager;
     }
 
     #region Helper Methods
@@ -392,7 +396,15 @@ public class ClassroomHub : Hub
 
                 // yalnızca diğer katılımcılar görebilsin
                 await Clients.Group(sessionId.ToString())
-                             .SendAsync("AttendanceUpdated", attendance);
+                    .SendAsync("AttendanceUpdated", new {
+                        attendance.Id,
+                        attendance.SessionId,
+                        attendance.StudentId,
+                        attendance.StudentName,
+                        attendance.JoinTime,
+                        attendance.LeaveTime,
+                        attendance.TotalDurationMinutes
+                    });
             }
 
             // 2. Participant bul
@@ -512,7 +524,7 @@ public class ClassroomHub : Hub
             .SendAsync("ReceiveIceCandidate", _currentUser.Id?.ToString(), candidate);
     }
 
-
+    [UnitOfWork]
     public override async Task OnDisconnectedAsync(Exception exception)
     {
         try
@@ -524,9 +536,11 @@ public class ClassroomHub : Hub
                 return;
             }
 
-            _logger.LogInformation("🔴 OnDisconnectedAsync: User={UserId}, ConnId={ConnId}, Exception={Exception}", userId, Context.ConnectionId, exception?.Message);
+            _logger.LogInformation("🔴 OnDisconnectedAsync: User={UserId}, ConnId={ConnId}, Exception={Exception}",
+                userId, Context.ConnectionId, exception?.Message);
 
-            // 🔑 Aynı anda birden fazla session olabilir (tab senaryosu)
+            // 🔑 Yeni scope aç (her disconnect için ayrı UoW)
+            using var uow = _unitOfWorkManager.Begin(requiresNew: true, isTransactional: true);
             var participants = await _participantRepository
                 .GetListAsync(x => x.UserId == userId.Value && x.ConnectionId == Context.ConnectionId);
 
@@ -537,17 +551,16 @@ public class ClassroomHub : Hub
 
             foreach (var participant in participants)
             {
-                _logger.LogInformation("OnDisconnectedAsync: User {UserId}, Session {SessionId} bağlantısı koptu.", userId, participant.SessionId);
+                _logger.LogInformation("OnDisconnectedAsync: User {UserId}, Session {SessionId} bağlantısı koptu.",
+                    userId, participant.SessionId);
 
-                // 🔑 Attendance kapat
+                // 🔑 Attendance güncelle
                 var attendances = await _attendanceRepository.GetListAsync(
                     x => x.SessionId == participant.SessionId &&
                          x.StudentId == userId.Value &&
                          x.LeaveTime == null
                 );
 
-                if (attendances != null)
-                {
                 foreach (var attendance in attendances)
                 {
                     attendance.LeaveTime = DateTime.UtcNow;
@@ -557,6 +570,7 @@ public class ClassroomHub : Hub
                     );
                     await _attendanceRepository.UpdateAsync(attendance, autoSave: true);
 
+                    // DTO gönder (entity yerine)
                     await Clients.Group(participant.SessionId.ToString())
                         .SendAsync("AttendanceUpdated", new
                         {
@@ -569,9 +583,8 @@ public class ClassroomHub : Hub
                             attendance.TotalDurationMinutes
                         });
                 }
-                }
 
-                // Eğer kullanıcı kick edilmemişse pasifleştir
+                // Eğer kick edilmemişse → pasif et
                 if (!participant.IsKicked)
                 {
                     participant.IsActive = false;
@@ -579,10 +592,16 @@ public class ClassroomHub : Hub
                     await _participantRepository.UpdateAsync(participant, autoSave: true);
 
                     await Clients.Group(participant.SessionId.ToString())
-                        .SendAsync("ParticipantLeft", new { UserId = userId.Value, SessionId = participant.SessionId });
+                        .SendAsync("ParticipantLeft", new
+                        {
+                            UserId = userId.Value,
+                            SessionId = participant.SessionId
+                        });
+                }
             }
 
-            }
+            // 🔑 Scope commit
+            await uow.CompleteAsync();
         }
         catch (TaskCanceledException)
         {
@@ -597,8 +616,6 @@ public class ClassroomHub : Hub
     }
 }
 
-
-
 public class SignalingMessageDto
 {
     public string Type { get; set; } // offer, answer, ice-candidate