48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
# chat/consumers.py
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import json
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from asgiref.sync import async_to_sync
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from channels.generic.websocket import WebsocketConsumer
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class ChatConsumer(WebsocketConsumer):
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"""Deal with a consumer"""
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def connect(self):
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"""Deal with the connection of a new user."""
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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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# Join room group
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async_to_sync(self.channel_layer.group_add)(
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self.room_group_name, self.channel_name
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)
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self.accept()
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def disconnect(self, close_code):
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"""Deal with the connection of a new user."""
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# Leave room group
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async_to_sync(self.channel_layer.group_discard)(
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self.room_group_name, self.channel_name
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)
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# Receive message from WebSocket
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def receive(self, text_data):
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"""Receive a websocket message."""
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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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async_to_sync(self.channel_layer.group_send)(
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self.room_group_name, {"type": "chat_message", "message": message}
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)
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# Receive message from room group
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def chat_message(self, event):
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"""Receive a message from the room group."""
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message = event["message"]
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# Send message to WebSocket
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self.send(text_data=json.dumps({"message": message}))
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