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139 lines
4.3 KiB
Python
139 lines
4.3 KiB
Python
from channels.generic.websocket import AsyncWebsocketConsumer
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from channels.db import database_sync_to_async
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from api.models import Order
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from chat.models import ChatRoom
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from django.utils import timezone
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import json
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class ChatRoomConsumer(AsyncWebsocketConsumer):
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@database_sync_to_async
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def allow_in_chatroom(self):
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order = Order.objects.get(id=self.order_id)
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if not (order.maker == self.user or order.taker == self.user):
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print("Not allowed in this chat")
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return False
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return True
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@database_sync_to_async
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def save_connect_user(self):
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'''Creates or updates the ChatRoom object'''
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order = Order.objects.get(id=self.order_id)
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if order.maker == self.user:
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ChatRoom.objects.update_or_create(
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id=self.order_id,
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order=order,
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room_group_name=self.room_group_name,
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defaults={
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"maker": self.user,
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"maker_connected": True,
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}
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)
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elif order.taker == self.user:
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ChatRoom.objects.update_or_create(
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id=self.order_id,
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order=order,
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room_group_name=self.room_group_name,
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defaults={
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"taker": self.user,
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"taker_connected": True,
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}
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)
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return None
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@database_sync_to_async
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def save_disconnect_user(self):
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'''Creates or updates the ChatRoom object'''
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order = Order.objects.get(id=self.order_id)
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if order.maker == self.user:
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ChatRoom.objects.update_or_create(
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id=self.order_id,
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defaults={
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"maker_connected": False
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}
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)
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elif order.taker == self.user:
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ChatRoom.objects.update_or_create(
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id=self.order_id,
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defaults={
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"taker_connected": False
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}
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)
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return None
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@database_sync_to_async
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def is_peer_connected(self):
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'''Creates or updates the ChatRoom object'''
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chatroom = ChatRoom.objects.get(id=self.order_id)
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if chatroom.maker == self.user:
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return chatroom.taker_connected
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if chatroom.taker == self.user:
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return chatroom.maker_connected
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async def connect(self):
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self.order_id = self.scope["url_route"]["kwargs"]["order_id"]
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self.room_group_name = f"chat_order_{self.order_id}"
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self.user = self.scope["user"]
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self.user_nick = str(self.user)
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allowed = await self.allow_in_chatroom()
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if allowed:
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await self.save_connect_user()
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await self.channel_layer.group_add(self.room_group_name,
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self.channel_name)
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await self.accept()
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async def disconnect(self, close_code):
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await self.save_disconnect_user()
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await self.channel_layer.group_discard(self.room_group_name,
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self.channel_name)
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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": "chatroom_message",
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"message": 'peer-disconnected',
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"nick": self.scope["user"].username,
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"peer_connected": False,
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},
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)
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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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peer_connected = await self.is_peer_connected()
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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": "chatroom_message",
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"message": message,
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"nick": self.scope["user"].username,
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"peer_connected": peer_connected,
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},
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)
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async def chatroom_message(self, event):
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message = event["message"]
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nick = event["nick"]
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peer_connected = event["peer_connected"]
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await self.send(text_data=json.dumps({
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"message": message,
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"user_nick": nick,
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"peer_connected": peer_connected,
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"time":str(timezone.now()),
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}))
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pass
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