Add script to create channels per tournament, pools and teams. Put channels in categories

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

chat/consumers.py

@@ -3,7 +3,6 @@
 
 from channels.generic.websocket import AsyncJsonWebsocketConsumer
 from django.contrib.auth.models import User
-from participation.models import Team, Pool, Tournament
 from registration.models import Registration
 
 from .models import Channel, Message
@@ -78,6 +77,7 @@ class ChatConsumer(AsyncJsonWebsocketConsumer):
                 {
                     'id': channel.id,
                     'name': channel.name,
+                    'category': channel.category,
                     'read_access': True,
                     'write_access': await write_channels.acontains(channel),
                 }