new

osinaweb/osichat/api/views.py

@@ -5,6 +5,7 @@ from .serializers import *
 from django.shortcuts import get_object_or_404
 from django.db.models import Q
 from django.utils.dateparse import parse_date
+from django.db.models import Count
 
 @api_view(['GET'])    
 def get_chat_rooms(request):
@@ -85,6 +86,20 @@ def start_conversation(request):
 
         start_with_id = request.data.get('start_with')
         start_with = get_object_or_404(User, id=start_with_id)
+
+        existing_room = ChatRoom.objects.filter(
+            chatmember__member=user
+        ).annotate(
+            member_count=Count('chatmember')
+        ).filter(
+            member_count=2,
+            chatmember__member=start_with
+        ).first()
+
+        if existing_room:
+            return successRes({'room_id': existing_room.id})
+
+
         chat_title = (
             f"Chat created by {user.first_name} {user.last_name} "
             f"with {start_with.first_name} {start_with.last_name} "
@@ -96,6 +111,7 @@ def start_conversation(request):
             created_by=user,
             date_created=timezone.now(),
         )
+
         ChatMember.objects.create(
             member=user,
             room=room,
@@ -106,10 +122,10 @@ def start_conversation(request):
             room=room,
             date_joined=timezone.now()
         )
+
         return successRes({'room_id': room.id})
+
     except TokenError as terr:
         return errorRes(msg=str(terr), status=450)
     except Exception as e:
         return errorRes(str(e))
-
-