111 lines
3.9 KiB
Python
111 lines
3.9 KiB
Python
from channels.generic.websocket import AsyncWebsocketConsumer
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import json
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from channels.exceptions import StopConsumer
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from django.utils import timezone
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from chat.models import ChatGroup, ChatMessage
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from channels.db import database_sync_to_async
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from rest_framework_simplejwt.authentication import JWTAuthentication
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class ChatConsumer(AsyncWebsocketConsumer):
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async def connect(self):
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print("self.scope: ", self.scope)
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self.room_name = (
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self.scope.get("url_route", {}).get("kwargs", {}).get("room_name")
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)
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print("self.room_name: ", self.room_name)
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token_key = self.scope["url_route"]["kwargs"]["token"]
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print("token_key: ", token_key)
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self.user = await self.get_user_async(token_key)
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print("self.user: ", self.user)
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# Join room group
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await self.channel_layer.group_add(self.room_name, self.channel_name)
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print("Time: ", timezone.now())
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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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print("Time: ", timezone.now())
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await self.channel_layer.group_discard(self.room_name, self.channel_name)
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raise StopConsumer()
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# await self.disconnect(close_code)
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# Receive message from WebSocket
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async def receive(self, text_data):
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print("text_data: ", text_data)
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print("self.user: ", self.user)
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try:
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text_data_json = json.loads(text_data)
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message = text_data_json["message"]
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except json.JSONDecodeError:
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# Handle non-JSON message
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message = text_data
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print("message: ", message)
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group = await self.get_chat_group(self.room_name)
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print("group: ", group)
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await self.create_chat_message(group, message, self.user)
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# await self.create_chat_message(group, text_data_json, user)
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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_name, {"type": "chat.message", "message": message}
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self.room_name,
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{
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"type": "chat.message",
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"message": message,
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"timestamp": str(timezone.now()),
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"user": self.user.email,
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"first_name": self.user.first_name,
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"profile_photo": self.user.profile_photo.url
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if self.user.profile_photo and self.user.profile_photo.url
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else None,
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},
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)
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@database_sync_to_async
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def create_chat_message(self, room_name, message, user):
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# principal = IAmPrincipal.objects.get(id=self.user)
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return ChatMessage.objects.create(
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group=room_name,
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timestamp=timezone.now(),
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message=message,
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user=self.user,
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)
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@database_sync_to_async
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def get_chat_group(self, room_name):
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return ChatGroup.objects.filter(name=room_name).first()
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# Receive message from room group
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async def chat_message(self, event):
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print("event: ", event)
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message = event["message"]
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user = event["user"]
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first_name = event["first_name"]
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profile_photo = event["profile_photo"]
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timestamp = event["timestamp"]
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# new_message = str(user) + " :- " + message
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# Send message to WebSocket
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await self.send(
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text_data=json.dumps(
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{
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"message": message,
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"user": user,
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"first_name": first_name,
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"profile_photo": profile_photo,
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"timestamp": timestamp,
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}
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)
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)
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@database_sync_to_async
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def get_user_async(self, token):
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try:
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decoded_token = JWTAuthentication().get_validated_token(token)
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user = JWTAuthentication().get_user(decoded_token)
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self.user = user
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return user
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except Exception as e:
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self.user = None
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