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