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Basestructure Chat App

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This commit is contained in:
Henrik Mildner
2025-03-15 12:35:32 +01:00
parent ab6e27f80e
commit 889134784a
6 changed files with 93 additions and 3 deletions
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18
core/chat/consumers.py Normal file
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@@ -0,0 +1,18 @@
# chat/consumers.py
import json
from channels.generic.websocket import WebsocketConsumer
class ChatConsumer(WebsocketConsumer):
def connect(self):
self.accept()
def disconnect(self, close_code):
pass
def receive(self, text_data):
text_data_json = json.loads(text_data)
message = text_data_json["message"]
self.send(text_data=json.dumps({"message": message}))

8
core/chat/routing.py Normal file
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@@ -0,0 +1,8 @@
# chat/routing.py
from django.urls import re_path
from . import consumers
websocket_urlpatterns = [
re_path(r"ws/chat/(?P<room_name>\w+)/$", consumers.ChatConsumer.as_asgi()),
]

1
core/chat/urls.py
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@@ -5,4 +5,5 @@ from . import views
urlpatterns = [ urlpatterns = [
path("", views.index, name="index"), path("", views.index, name="index"),
path("<str:room_name>/", views.room, name="room"),
] ]

3
core/chat/views.py
View File

@@ -3,3 +3,6 @@ from django.shortcuts import render
def index(request): def index(request):
return render(request, "chat/index.html") return render(request, "chat/index.html")
def room(request, room_name):
return render(request, "chat/room.html", {"room_name": room_name})

14
core/core/asgi.py
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@@ -9,6 +9,10 @@ https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
import os 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
from django.core.asgi import get_asgi_application from django.core.asgi import get_asgi_application
from channels.routing import ProtocolTypeRouter from channels.routing import ProtocolTypeRouter
@@ -16,9 +20,15 @@ os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
#application = get_asgi_application() #application = get_asgi_application()
django_asgi_app = get_asgi_application()
from chat.routing import websocket_urlpatterns
application = ProtocolTypeRouter( application = ProtocolTypeRouter(
{ {
"http": get_asgi_application(), "http": django_asgi_app,
# Just HTTP for now. (We can add other protocols later.) "websocket": AllowedHostsOriginValidator(
AuthMiddlewareStack(URLRouter(websocket_urlpatterns))
),
} }
) )

50
core/templates/chat/room.html Normal file
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@@ -0,0 +1,50 @@
<!-- chat/templates/chat/room.html -->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Chat Room</title>
</head>
<body>
<textarea id="chat-log" cols="100" rows="20"></textarea><br>
<input id="chat-message-input" type="text" size="100"><br>
<input id="chat-message-submit" type="button" value="Send">
{{ room_name|json_script:"room-name" }}
<script>
const roomName = JSON.parse(document.getElementById('room-name').textContent);
const chatSocket = new WebSocket(
'ws://'
+ window.location.host
+ '/ws/chat/'
+ roomName
+ '/'
);
chatSocket.onmessage = function(e) {
const data = JSON.parse(e.data);
document.querySelector('#chat-log').value += (data.message + '\n');
};
chatSocket.onclose = function(e) {
console.error('Chat socket closed unexpectedly');
};
document.querySelector('#chat-message-input').focus();
document.querySelector('#chat-message-input').onkeyup = function(e) {
if (e.key === 'Enter') { // enter, return
document.querySelector('#chat-message-submit').click();
}
};
document.querySelector('#chat-message-submit').onclick = function(e) {
const messageInputDom = document.querySelector('#chat-message-input');
const message = messageInputDom.value;
chatSocket.send(JSON.stringify({
'message': message
}));
messageInputDom.value = '';
};
</script>
</body>
</html>