From 7f3209b97da9ca3c84a934aafa373d1d190866a8 Mon Sep 17 00:00:00 2001
From: mohsentaba <s.hosseintaba98@gmail.com>
Date: Sat, 6 Jun 2026 02:43:58 +0330
Subject: [PATCH] new table for admins seen status

---
 apps/chat/admin_views.py                   | 19 +++++++++++--
 apps/chat/migrations/0004_adminroomseen.py | 30 ++++++++++++++++++++
 apps/chat/models.py                        | 32 ++++++++++++++++++++++
 3 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100644 apps/chat/migrations/0004_adminroomseen.py

diff --git a/apps/chat/admin_views.py b/apps/chat/admin_views.py
index 9ac2622..460cde4 100644
--- a/apps/chat/admin_views.py
+++ b/apps/chat/admin_views.py
@@ -8,7 +8,7 @@ from django.views.decorators.http import require_http_methods
 from django.db.models import Q, Count
 from django.utils.translation import gettext_lazy as _
 
-from apps.chat.models import RoomMessage, ChatMessage
+from apps.chat.models import RoomMessage, ChatMessage, AdminRoomSeen
 from utils.admin import project_admin_site
 
 
@@ -43,7 +43,7 @@ def api_get_rooms(request):
     queryset = RoomMessage.objects.annotate(
         admin_unread_count=Count(
             'messages',
-            filter=Q(messages__is_read=False) & ~Q(messages__sender=user)
+            filter=Q(messages__is_read=False) & ~Q(messages__sender=user) & Q(messages__is_deleted=False)
         )
     ).order_by('-updated_at')
     
@@ -104,6 +104,21 @@ def api_get_messages(request, room_id):
             if room.unread_messages_count > 0:
                 room.unread_messages_count = 0
                 room.save(update_fields=['unread_messages_count'])
+
+            # ثبت وضعیت دیده شده برای ادمین در جدول AdminRoomSeen
+            is_admin = (
+                request.user.is_superuser or 
+                getattr(request.user, 'user_type', '') in ['admin', 'super_admin'] or 
+                (hasattr(request.user, 'has_role') and (request.user.has_role('admin') or request.user.has_role('super_admin')))
+            )
+            if is_admin:
+                latest_msg = messages.last()  # پیام‌ها بر اساس id صعودی مرتب شده‌اند
+                if latest_msg:
+                    AdminRoomSeen.objects.update_or_create(
+                        admin=request.user,
+                        room=room,
+                        defaults={'last_seen_message': latest_msg}
+                    )
     
     data = []
     for m in messages:
diff --git a/apps/chat/migrations/0004_adminroomseen.py b/apps/chat/migrations/0004_adminroomseen.py
new file mode 100644
index 0000000..2638eee
--- /dev/null
+++ b/apps/chat/migrations/0004_adminroomseen.py
@@ -0,0 +1,30 @@
+# Generated by Django 5.2.12 on 2026-06-06 02:02
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('chat', '0003_alter_chatmessage_options_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AdminRoomSeen',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('admin', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='admin_room_seens', to=settings.AUTH_USER_MODEL, verbose_name='Admin User')),
+                ('last_seen_message', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='admin_seens_last', to='chat.chatmessage', verbose_name='Last Seen Message')),
+                ('room', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='admin_seens', to='chat.roommessage', verbose_name='Room')),
+            ],
+            options={
+                'verbose_name': 'Admin Room Seen',
+                'verbose_name_plural': 'Admin Room Seens',
+                'unique_together': {('admin', 'room')},
+            },
+        ),
+    ]
diff --git a/apps/chat/models.py b/apps/chat/models.py
index aeeef61..f8c68e5 100644
--- a/apps/chat/models.py
+++ b/apps/chat/models.py
@@ -181,4 +181,36 @@ class MessageReadStatus(models.Model):
 
     def __str__(self):
         return f"User {self.user.fullname} read Message {self.message.id}: {self.is_read}"
+
+
+class AdminRoomSeen(models.Model):
+    admin = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name="admin_room_seens",
+        verbose_name=_("Admin User")
+    )
+    room = models.ForeignKey(
+        RoomMessage,
+        on_delete=models.CASCADE,
+        related_name="admin_seens",
+        verbose_name=_("Room")
+    )
+    last_seen_message = models.ForeignKey(
+        ChatMessage,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="admin_seens_last",
+        verbose_name=_("Last Seen Message")
+    )
+
+    class Meta:
+        unique_together = ("admin", "room")
+        verbose_name = _("Admin Room Seen")
+        verbose_name_plural = _("Admin Room Seens")
+
+    def __str__(self):
+        return f"Admin {self.admin.fullname} seen in Room {self.room.id}"
+
     
\ No newline at end of file