actioncable

I am working on notifications for my rails app. There is User model and controller and Like model associated to User with a User has many Likes association. The idea is, if a user likes the profile of another user, owner of the profile will get a live notification. This is my app for understanding ActionCable. I studied the cable api , pub-sub was new to me. I was able to make successful communication through a single channel, and also successfully used the authorization . But, still I don't understand how to use single channel per user (dynamically generated channel), so that message posted

I have implemented action cable of rails-5 in my system and it's work fine on localhost , but when i tried to bind with ip it's give below error message. WebSocket connection to 'ws://192.168.1.46:3002/cable' failed: Error during WebSocket handshake: Unexpected response code: 404 and in terminal log Failed to upgrade to WebSocket (REQUEST_METHOD: GET, HTTP_CONNECTION: Upgrade, HTTP_UPGRADE: websocket) I have made changes on my development.rb as like config.action_cable.url = "ws://192.168.1.46:3002/cable" but not succeed. please guide me where i am wrong. tell me if you need extra information,

in socket.io, you can send message to all client except sender like: socket.broadcast.emit('user connected'); but in rails/actioncable, how to do that? class BoardChannel < ApplicationCable::Channel def subscribed stream_from "board:#{params[:board]}" end def speak # client will call @perform('speak') result = do_something() # how to send 'result' to all client except sender? end end Using jobs, you can make this with the logic in a partial. In your model after create a record, call the job perform passing the self record. See bellow how pass message to recieved data(at channel) using

I created the following using ActionCable but not able to receive any data that is being broadcasted. Comments Channel : class CommentsChannel < ApplicationCable::Channel def subscribed comment = Comment.find(params[:id]) stream_for comment end end JavaScript : var cable = Cable.createConsumer('ws://localhost:3000/cable'); var subscription = cable.subscriptions.create({ channel: "CommentsChannel", id: 1 },{ received: function(data) { console.log("Received data") } }); It connects fine and I can see the following in the logs: CommentsChannel is streaming from comments

module ApplicationCable class Connection < ActionCable::Connection::Base identified_by :current_user def connect #puts params[:auth_token] self.current_user = find_verified_user logger.add_tags 'ActionCable', current_user.name end end end I don't use web as end point for action cable, so I want to use auth_token for authentication. By default action cable use session user id for authentication. How to pass params to connect method? Pierre Fraisse I managed to send my authentication token as a query parameter. When creating my consumer in my javascript app, I'm passing the token in the cable

I'm authenticating users in ActionCable like this: module ApplicationCable class Connection < ActionCable::Connection::Base identified_by :current_user def connect self.current_user = find_verified_user logger.add_tags 'ActionCable', current_user.name end protected def find_verified_user if verified_user = User.find_by(id: cookies.signed[:user_id]) verified_user else reject_unauthorized_connection end end end end Is it possible to get connected users list ? I googled but found only this stackoverflow questions: first , second Ya kinda have to roll your own user-tracking. The important bits are