robosats/chat/consumers.py

140 lines
4.3 KiB
Python

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