59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
import json
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from channels.db import database_sync_to_async
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from channels.generic.websocket import AsyncWebsocketConsumer
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from django.contrib.auth.models import AnonymousUser
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class ChatConsumer(AsyncWebsocketConsumer):
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def authenticate(self):
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return self.scope["user"]
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async def connect(self):
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self.room_name = self.scope['url_route']['kwargs']['room_name']
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self.room_group_name = 'chat_%s' % self.room_name
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# Authenticate user
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user = await database_sync_to_async(self.authenticate)()
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if isinstance(user, AnonymousUser) or not user:
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await self.close(code=4003)
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# Join room group
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await self.channel_layer.group_add(
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self.room_group_name,
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self.channel_name
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)
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await self.accept()
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async def disconnect(self, close_code):
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# Leave room group
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await self.channel_layer.group_discard(
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self.room_group_name,
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self.channel_name
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)
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# Receive message from WebSocket
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async def receive(self, text_data):
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text_data_json = json.loads(text_data)
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message = text_data_json['message']
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# Send message to room group
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await self.channel_layer.group_send(
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self.room_group_name,
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{
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'type': 'chat_message',
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'message': message
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}
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)
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# Receive message from room group
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async def chat_message(self, event):
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message = event['message']
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# Send message to WebSocket
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await self.send(text_data=json.dumps({
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'message': message
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}))
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