123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
import json
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from channels.db import database_sync_to_async
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from channels.generic.websocket import AsyncWebsocketConsumer
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from django.contrib.auth.models import AnonymousUser
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def get_base_url(scope):
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headers = dict(scope["headers"])
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host = headers.get(b"host", b"").decode()
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scheme = "https" if scope.get("scheme") == "https" else "http"
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return f"{scheme}://{host}"
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class ChatConsumer(AsyncWebsocketConsumer):
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"""
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Xona asosidagi chat consumer.
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Ulanish: ws://host/ws/chat/room/{room_id}/?token=<jwt>
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Matn xabari yuborish:
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{ "message_type": "text", "text": "Salom" }
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Fayl xabari (oldin REST orqali yuklab, keyin URL yuborish):
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{ "message_type": "image", "file_url": "https://...", "text": "caption (ixtiyoriy)" }
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"""
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async def connect(self):
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user = self.scope.get("user")
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if not user or isinstance(user, AnonymousUser):
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await self.close(code=4001)
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return
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self.room_id = self.scope["url_route"]["kwargs"]["room_id"]
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self.room_group = f"chat_room_{self.room_id}"
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await self.channel_layer.group_add(self.room_group, self.channel_name)
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await self.accept()
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async def disconnect(self, close_code):
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if hasattr(self, "room_group"):
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await self.channel_layer.group_discard(self.room_group, self.channel_name)
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async def receive(self, text_data):
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user = self.scope.get("user")
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if not user or isinstance(user, AnonymousUser):
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await self.close(code=401)
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return
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try:
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data = json.loads(text_data)
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except (json.JSONDecodeError, ValueError):
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await self.send(text_data=json.dumps({"error": "Noto'g'ri format."}))
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return
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message_type = data.get("message_type", "text")
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text = (data.get("text") or "").strip()
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if message_type == "text" and not text:
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await self.send(text_data=json.dumps({"error": "Matn bo'sh bo'lishi mumkin emas."}))
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return
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if message_type != "text":
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await self.send(
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text_data=json.dumps(
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{"error": "Fayl xabarlarni yuklash uchun REST API dan foydalaning."}
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)
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)
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return
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await self._save_message(user, text)
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# Uz
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# Bu funksiya ishlatilmayapti, shuning uchun commentga olib qoydim, bu funksiya orniga /core/apps/chat/tasks/message.py ichida rest api yordamida message
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# yuborilsa ishlatiladigan task bor.
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# En
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# This function is not used, so I commented it out. Instead, a task is used in /core/apps/chat/tasks/message.py
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# to send message when message is added from REST API.
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# async def chat_message(self, event):
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# await self.send(
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# text_data=json.dumps(
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# {
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# "id": event["id"],
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# "message_type": event["message_type"],
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# "text": event["text"],
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# "file_url": event["file_url"],
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# "sender": event["sender"],
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# "created_at": event["created_at"],
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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 _save_message(self, user, text):
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from core.apps.chat.models import ChatmessageModel
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msg = ChatmessageModel.objects.create(
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room_id=self.room_id,
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sender=user,
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message_type="text",
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text=text,
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)
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full_name = user.get_full_name().strip() or str(user.phone)
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base_url = get_base_url(self.scope)
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avatar_url = (
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base_url + user.avatar.url
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if user.avatar else None
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)
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return {
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"id": msg.id,
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"message_type": msg.message_type,
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"text": msg.text,
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"file_url": None,
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"sender": {
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"id": user.id,
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"full_name": full_name,
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"role": user.role,
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"phone": user.phone,
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"avatar": avatar_url,
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},
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"created_at": msg.created_at.isoformat(),
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}
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