First play with websockets

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

tfjm/asgi.py

@@ -12,8 +12,20 @@ https://docs.djangoproject.com/en/3.0/howto/deployment/asgi/
 
 import os
 
+from channels.auth import AuthMiddlewareStack
+from channels.routing import ProtocolTypeRouter, URLRouter
+from channels.security.websocket import AllowedHostsOriginValidator
 from django.core.asgi import get_asgi_application
 
+import draw.routing
+
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tfjm.settings')
 
-application = get_asgi_application()
+application = ProtocolTypeRouter(
+    {
+        "http": get_asgi_application(),
+        "websocket": AllowedHostsOriginValidator(
+            AuthMiddlewareStack(URLRouter(draw.routing.websocket_urlpatterns))
+        ),
+    }
+)

tfjm/settings.py

@@ -42,6 +42,8 @@ ALLOWED_HOSTS = ['*']
 # Application definition
 
 INSTALLED_APPS = [
+    'daphne',
+
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -51,6 +53,7 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
     'django.forms',
 
+    'channels',
     'crispy_forms',
     'crispy_bootstrap5',
     'django_filters',
@@ -111,6 +114,7 @@ TEMPLATES = [
 
 FORM_RENDERER = 'django.forms.renderers.TemplatesSetting'
 
+ASGI_APPLICATION = 'tfjm.asgi.application'
 WSGI_APPLICATION = 'tfjm.wsgi.application'
 
 
@@ -249,6 +253,13 @@ FORBIDDEN_TRIGRAMS = [
     "SEX",
 ]
 
+# TODO: Use a redis server in production
+CHANNEL_LAYERS = {
+    "default": {
+        "BACKEND": "channels.layers.InMemoryChannelLayer"
+    }
+}
+
 if os.getenv("TFJM_STAGE", "dev") == "prod":  # pragma: no cover
     from .settings_prod import *    # noqa: F401,F403
 else: