dockered

django/chat/consumersChat.py

@@ -0,0 +1,72 @@
+from channels.generic.websocket import WebsocketConsumer
+from asgiref.sync import async_to_sync
+from .models import ChatMemberModel, ChatMessageModel
+
+import time
+import json
+
+
+class ChatConsumer(WebsocketConsumer):
+
+    def connect(self):
+
+        self.user = self.scope["user"]
+        if not self.user.is_authenticated:
+            return
+
+        self.channel_id: int = int(self.scope['url_route']['kwargs']['chat_id'])
+
+        if not ChatMemberModel.objects.filter(member_id=self.user.pk, channel_id=self.channel_id).exists():
+            return
+
+        if self.channel_layer is None:
+            return
+
+        self.room_group_name = f'chat{self.channel_id}'
+
+        async_to_sync(self.channel_layer.group_add)(
+            self.room_group_name,
+            self.channel_name
+        )
+        self.accept()
+
+    def receive(self, text_data=None, bytes_data=None):
+        if text_data is None:
+            return
+
+        user = self.scope["user"]
+        if (user.is_anonymous or not user.is_authenticated):
+            return
+
+        text_data_json: dict = json.loads(text_data)
+
+        message = text_data_json.get('message')
+        if message is None:
+            return
+
+        message_time: int = int(time.time() * 1000)
+
+        async_to_sync(self.channel_layer.group_send)(
+            self.room_group_name,
+            {
+                'type': 'chat_message',
+                'author_id': user.pk,
+                'content': message,
+                'time': message_time,
+            }
+        )
+
+        ChatMessageModel(
+            channel_id=self.channel_id,
+            author_id=user.pk,
+            content=message,
+            time=message_time
+        ).save()
+
+    def chat_message(self, event):
+        self.send(text_data=json.dumps({
+            'type': 'chat',
+            'author_id': event['author_id'],
+            'content': event['content'],
+            'time': event['time'],
+        }))