Conexão VueJS-Websocket

frontend/src/__apps/painel/main.js

@@ -17,7 +17,7 @@ const v = new Vue({ // eslint-disable-line
   el: '#app-painel',
   data () {
     return {
-      message: 'Hello VueJUS', // TODO: remove when porting to VueJS is done
+      message: null, // TODO: remove when porting to VueJS is done
       polling: null,
       painel_aberto: true,
       sessao_plenaria: '',
@@ -45,6 +45,7 @@ const v = new Vue({ // eslint-disable-line
       resultado_votacao_css: '',
       tipo_resultado: '',
       tipo_votacao: '',
+      teste: null,
       running: 0
     }
   },
@@ -251,7 +252,7 @@ const v = new Vue({ // eslint-disable-line
       this.fetchData()
 
       this.polling = setInterval(() => {
-        console.info('Fetching data from backend')
+        // console.info('Fetching data from backend')
         this.fetchData()
       }, 100)
     }
@@ -261,6 +262,22 @@ const v = new Vue({ // eslint-disable-line
     clearInterval(this.polling)
   },
   created () {
+    const socket = new WebSocket(`ws://${window.location.host}/ws/painel/`)
+
+    socket.onopen = function (e) {
+      console.log('Connection established')
+    }
+
+    socket.onclose = function (e) {
+      console.error('Ws fechou!')
+    }
+
+    socket.onmessage = function (e) {
+      console.log('got to onmessage')
+      // this.teste = JSON.parse(e.data)
+      // console.log(this.teste)
+    }
+
     console.info('Start polling data...')
     this.pollData()
   }

sapl/celery.py

@@ -10,7 +10,7 @@ app.config_from_object('django.conf:settings', namespace='CELERY')
 app.conf.beat_schedule = {
     'get_cronometro_inst': {
         'task': 'sapl.painel.tasks.get_cronometro',
-        'schedule': 10.0
+        'schedule': 1.0
     }
 }
 

sapl/painel/consumers.py

@@ -2,14 +2,13 @@ import json
 from channels.generic.websocket import WebsocketConsumer
 
 
-class ChatConsumer(WebsocketConsumer):
+class PainelConsumer(WebsocketConsumer):
     def connect(self):
+        self.channel_layer.group_add('message', self.channel_name)
         self.accept()
-        print('conectado ao ws')
 
-    def disconnect(self, close_code):
+    async def disconnect(self, close_code):
-        print('desconectado ao ws')
+        await self.channel_layer.group_discard('message', self.channel_name)
-        pass
 
     def receive(self, text_data):
         print('receive message')
@@ -18,4 +17,9 @@ class ChatConsumer(WebsocketConsumer):
 
         self.send(text_data=json.dumps({
             'message': message
-        }))
+        }))
+        
+    async def send(self, event):
+        new_data = event['text']
+        print(new_data)
+        await self.send(json.dumps(new_data))

sapl/painel/routing.py

@@ -1,6 +1,6 @@
-from django.urls import re_path
+from django.urls import path
 from . import consumers
 
 websocket_urlpatterns = [
-    re_path(r'ws/painel/(?P<room_name>\w+)/$', consumers.ChatConsumer.as_asgi()),
+    path('ws/painel/', consumers.PainelConsumer.as_asgi()),
 ]

sapl/painel/tasks.py

@@ -4,16 +4,25 @@ import urllib
 
 from celery import shared_task
 
+from channels.layers import get_channel_layer
+from asgiref.sync import async_to_sync
+
+channel_layer = get_channel_layer()
 
 @shared_task
 def get_cronometro():
-    url_dados = 'http://localhost:8000/painel/1272/dados'
+    url_dados = 'http://localhost:8000/painel/786/dados'
-    # print(requests.get(url_dados).status_code)
+
-    #response = requests.get(url_dados)
+
-    response = urllib.request.urlopen(url_dados)
+    login_data = {'username': 'sapl', 'password': 'sapl'}
-    dados = json.loads(response.read())
+    with requests.Session() as session:
-    #cronometro = response['sessao_plenaria']['cronometro_discurso']
+        session.get('http://localhost:8000/login/')
-    print(dados)
+        csrftoken = session.cookies['csrftoken']
-    print(response)
+        login_data['csrfmiddlewaretoken'] = csrftoken
-    print(response.encoding)
+        post = session.post('http://localhost:8000/login/', data=login_data)
-    return response
+        if post.ok: print('conexao realizada com sucesso')
+        r = session.get('http://localhost:8000/painel/786/dados')
+        json_data = r.json()
+        print(json_data)
+
+    async_to_sync(channel_layer.group_send)('message', {'type':'send', 'text': json_data})

sapl/painel/urls.py

@@ -26,5 +26,5 @@ urlpatterns = [
 
     url(r'^voto-individual/$', votante_view,
         name='voto_individual'),
-    path(r'<str:room_name>/', room, name='room'),
+    path(r'chat/', room, name='room'),
 ]

sapl/painel/views.py

@@ -645,7 +645,7 @@ def get_dados_painel(request, pk):
     return response_nenhuma_materia(get_presentes(pk, response, None))
 
 
-def room(request, room_name):
+def room(request):
     return render(request, 'painel/room.html', {
-        'room_name': room_name
+        'room_name': 'chat'
     })

sapl/settings.py

@@ -129,15 +129,15 @@ HAYSTACK_CONNECTIONS = {
 
 CHANNEL_LAYERS = {
     'default': {
-        ### Method 1: Via local Redis
+        ## Method 1: Via local Redis
-        # 'BACKEND': 'channels_redis.core.RedisChannelLayer',
+        'BACKEND': 'channels_redis.core.RedisChannelLayer',
-        # 'CONFIG': {
+        'CONFIG': {
-        #      "hosts": [('127.0.0.1', 6379)],
+             "hosts": [('127.0.0.1', 6379)],
-        # },
+        },
 
         ### Method 3: Via In-memory channel layer
         ## Using this method.
-        "BACKEND": "channels.layers.InMemoryChannelLayer"
+        # "BACKEND": "channels.layers.InMemoryChannelLayer"
     }
 }