consumers.py
from channels.generic.websocket import AsyncWebsocketConsumer
import json
class MyConsumer(AsyncWebsocketConsumer):
async def connect(self):
self.room_group_name = 'mygroup'
# Join room group
await self.channel_layer.group_add(
self.room_group_name,
self.channel_name
)
await self.accept()
async def disconnect(self, close_code):
# Leave room group
await self.channel_layer.group_discard(
self.room_group_name,
self.channel_name
)
# Receive message from WebSocket
async def receive(self, text_data):
text_data_json = json.loads(text_data)
message = text_data_json['message']
print(message)
# Send message to room group
await self.channel_layer.group_send(
self.room_group_name,
{
'type': 'group_message',
'message': message
}
)
# Receive message from room group
async def group_message(self, event):
print(event, "----> event")
message = event['message']
print(message)
# Send message to WebSocket
await self.send(text_data=json.dumps({
'message': message
}))
async def get_view_value(self, value):
print("get-view-called")
await self.channel_layer.group_send(
self.room_group_name,
{
'type': 'kafka_message',
'message': value
}
)
views.py
from django.shortcuts import render
from django.http import JsonResponse
from django.http import HttpResponse
from .consumers import MyConsumer
from channels.layers import get_channel_layer
from asgiref.sync import async_to_sync
class GetValuesFromAM(object):
# def __init__(self):
# self.session_list = []
session_list = []
transaction_values_list = []
consumer_instance = MyConsumer()
async def sessionValues(self, request):
print("Getting Session Vals!!")
try:
customer = request.GET.get("Customer")
session_id = request.GET.get("SessionId")
print(f"Customer: {customer}")
print(f"SessionID: {session_id}")
session_dict = {
"data": {
"Customer": customer,
"SessionId": session_id,
}
}
self.session_list.append(session_dict)
channel_layer = get_channel_layer()
async_to_sync(channel_layer.group_send)(
'mygroup',
{
'type': 'group.message',
'message': self.session_list
}
)
return HttpResponse("Updated Session Values!!")
except Exception as e:
return HttpResponse(f"Error: {str(e)}")
routing.py
from django.urls import path
from .consumers import MyConsumer
websocket_urlpatterns = [
path('ws/myapp/', MyConsumer.as_asgi()),
]
I’m using react for front-end.
i need help with sending the session list value from views to consumers to frontend using websockets