160 lines
4.9 KiB
Python
160 lines
4.9 KiB
Python
import json
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from channels.generic.websocket import AsyncWebsocketConsumer
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from channels.db import database_sync_to_async
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from django.utils import timezone
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class ChannelConsumer(AsyncWebsocketConsumer):
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async def connect(self):
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self.channel_id = self.scope['url_route']['kwargs']['channel_id']
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self.group_name = f'channel_{self.channel_id}'
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self.user = self.scope['user']
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if not self.user.is_authenticated:
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await self.close()
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return
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await self.channel_layer.group_add(self.group_name, self.channel_name)
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await self.set_online(True)
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await self.accept()
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async def disconnect(self, close_code):
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await self.channel_layer.group_discard(self.group_name, self.channel_name)
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await self.set_online(False)
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async def receive(self, text_data):
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data = json.loads(text_data)
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content = data.get('message', '').strip()
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if not content:
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return
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msg = await self.save_message(content)
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await self.channel_layer.group_send(
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self.group_name,
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{
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'type': 'chat_message',
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'message': content,
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'sender': self.user.username,
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'sender_id': self.user.id,
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'message_id': msg.id,
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'timestamp': msg.timestamp.strftime('%H:%M'),
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'avatar': await self.get_avatar(),
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'role': await self.get_role(),
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}
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)
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async def chat_message(self, event):
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await self.send(text_data=json.dumps(event))
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@database_sync_to_async
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def save_message(self, content):
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from chat.models import Message, Channel
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channel = Channel.objects.get(id=self.channel_id)
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return Message.objects.create(channel=channel, sender=self.user, content=content)
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@database_sync_to_async
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def set_online(self, status):
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try:
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self.user.profile.online = status
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self.user.profile.save(update_fields=['online'])
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except Exception:
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pass
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@database_sync_to_async
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def get_avatar(self):
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try:
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av = self.user.profile.avatar
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return av.url if av else None
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except Exception:
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return None
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@database_sync_to_async
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def get_role(self):
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try:
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return self.user.profile.role
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except Exception:
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return 'user'
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class DMConsumer(AsyncWebsocketConsumer):
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async def connect(self):
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self.user = self.scope['user']
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self.other_username = self.scope['url_route']['kwargs']['username']
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if not self.user.is_authenticated:
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await self.close()
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return
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other_id = await self.get_other_id()
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if other_id is None:
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await self.close()
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return
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ids = sorted([self.user.id, other_id])
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self.group_name = f'dm_{ids[0]}_{ids[1]}'
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await self.channel_layer.group_add(self.group_name, self.channel_name)
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await self.set_online(True)
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await self.accept()
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async def disconnect(self, close_code):
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await self.channel_layer.group_discard(self.group_name, self.channel_name)
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await self.set_online(False)
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async def receive(self, text_data):
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data = json.loads(text_data)
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content = data.get('message', '').strip()
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if not content:
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return
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msg = await self.save_dm(content)
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await self.channel_layer.group_send(
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self.group_name,
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{
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'type': 'dm_message',
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'message': content,
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'sender': self.user.username,
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'sender_id': self.user.id,
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'message_id': msg.id,
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'timestamp': msg.timestamp.strftime('%H:%M'),
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'avatar': await self.get_avatar(),
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}
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)
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async def dm_message(self, event):
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await self.send(text_data=json.dumps(event))
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@database_sync_to_async
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def get_other_id(self):
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from django.contrib.auth.models import User
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try:
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return User.objects.get(username=self.other_username).id
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except User.DoesNotExist:
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return None
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@database_sync_to_async
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def save_dm(self, content):
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from django.contrib.auth.models import User
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from chat.models import DirectMessage
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other = User.objects.get(username=self.other_username)
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return DirectMessage.objects.create(sender=self.user, receiver=other, content=content)
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@database_sync_to_async
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def set_online(self, status):
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try:
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self.user.profile.online = status
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self.user.profile.save(update_fields=['online'])
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except Exception:
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pass
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@database_sync_to_async
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def get_avatar(self):
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try:
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av = self.user.profile.avatar
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return av.url if av else None
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except Exception:
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return None
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