Update first commit

apps/back/admin.py

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+from django.contrib import admin
+
+# Register your models here.

apps/back/apps.py

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+from django.apps import AppConfig
+
+
+class BackConfig(AppConfig):
+    name = 'back'

apps/back/consumers.py

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+import json
+from channels.generic.websocket import AsyncWebsocketConsumer
+from asgiref.sync import sync_to_async
+
+class BackConsumer(AsyncWebsocketConsumer):
+
+    def connect(self):
+        ''' Cliente se conecta '''
+
+        # Recoge el nombre de la sala
+        self.room_name = self.scope["url_route"]["kwargs"]["room_name"]
+        self.room_group_name = "blog_%s" % self.room_name
+
+        # Se une a la sala
+        await self.channel_layer.group_add(self.room_group_name, self.channel_name)
+
+        # Informa al cliente del éxito
+        await self.accept()
+
+    def disconnect(self, close_code):
+        ''' Cliente se desconecta '''
+        # Leave room group
+        await self.channel_layer.group_discard(self.room_group_name, self.channel_name)
+
+    def receive(self, text_data):
+        ''' Cliente envía información y nosotros la recibimos '''
+        text_data_json = json.loads(text_data)
+        name = text_data_json["name"]
+        text = text_data_json["text"]
+
+        # Enviamos el mensaje a la sala
+        await self.channel_layer.group_send(
+            self.room_group_name,
+            {
+                "type": "chat_message",
+                "name": name,
+                "text": text
+            }
+        )
+
+    def chat_message(self, event):
+        ''' Recibimos información de la sala '''
+        name = event["name"]
+        text = event["text"]
+
+        # Send message to WebSocket
+        await self.send(
+            text_data=json.dumps(
+                {
+                    "type": "chat_message",
+                    "name": name,
+                    "text": text
+                }
+            )
+        )

apps/back/models.py

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+from django.db import models
+
+# Create your models here.

apps/back/routing.py

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+from django.urls import re_path
+
+from . import consumers
+
+websocket_urlpatterns = [
+    re_path(r'ws/blog/(?P<room_name>\w+)/$', consumers.BlogConsumer),
+]

apps/back/views.py

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+from django.shortcuts import render
+
+# Create your views here.