added channel layer so websockets can talk to each other

README.md

@@ -4,7 +4,8 @@ By popular demand, I'm building a better anonkun. It doesn't do much right now t
 ## Requirements  
 Python 3.6+  
 PostgreSQL 10.4+  
-Python packages: `django psycopg2 channels jinja2 argon2-cffi`  
+Redis 4.0.10+  
+Python packages: `django psycopg2 channels channels_redis jinja2 argon2-cffi`  
 
 ## Install  
 ```

quest/consumers.py

@@ -4,6 +4,7 @@ Consumers available for the /quest websocket.
 """
 import json
 
+from asgiref.sync import async_to_sync
 from channels.generic.websocket import WebsocketConsumer
 
 from .events import events
@@ -21,15 +22,26 @@ class QuestConsumer(WebsocketConsumer):
 		super().__init__(*args, **kwargs)
 
 	def connect(self):
+		self.quest_id = self.scope['url_route']['kwargs']['quest_id']
+		self.group_name = 'quest_' + str(self.quest_id)
+
+		async_to_sync(self.channel_layer.group_add)(
+			self.group_name,
+			self.channel_name
+		)
+
 		self.accept()
 
 	def disconnect(self, close_code):
-		pass
+		async_to_sync(self.channel_layer.group_discard)(
+			self.group_name,
+			self.channel_name
+		)
 
 	def receive(self, text_data):
 		"""
-		Parses the received data as JSON and dispatches the appropirate
-		event handler.
+		Parses the data received from the WebSocket as JSON and
+		dispatches the appropriate event handler.
 		"""
 		try:
 			data = json.loads(text_data)
@@ -42,9 +54,22 @@ class QuestConsumer(WebsocketConsumer):
 
 	def send(self, event, data={}):
 		"""
-		Overridden method. If a dictionary is provided, it is converted
-		to JSON before sending it.
-		If a string is provided, it is sent out directly.
+		Overridden method. All data provided (preferably as a dictionary)
+		is parsed into JSON before sending to other consumers in the group.
 		"""
 		data = json.dumps({'event': event, 'data': data})
+		async_to_sync(self.channel_layer.group_send)(
+			self.group_name,
+			{
+				'type': 'dispatch_send',
+				'message': data
+			}
+		)
+
+	def dispatch_send(self, event):
+		"""
+		Receives events from other consumers in the group and relays the
+		data to the WebSocket.
+		"""
+		data = event['message']
 		super().send(text_data=data)

quest/events.py

@@ -143,7 +143,7 @@ def text_post(socket, data):
 
 	# cleaning
 	post_text = bleach.clean(post_text.strip())
-	post_text = text.replace("\n", "<br>")
+	post_text = post_text.replace("\n", "<br>")
 
 	# handle image
 

titivillus/settings.py

@@ -147,3 +147,11 @@ PASSWORD_HASHERS = [
 ]
 
 ASGI_APPLICATION = 'titivillus.routing.application'
+CHANNEL_LAYERS = {
+	'default': {
+		'BACKEND': 'channels_redis.core.RedisChannelLayer',
+		'CONFIG': {
+			"hosts": [('127.0.0.1', 6379)],
+		},
+	},
+}