web/channels/user_socket.ex

   1 defmodule TechRadarEditor.UserSocket do
   2   use Phoenix.Socket
   3
   4   ## Channels
   5   # channel "room:*", TechRadarEditor.RoomChannel
   6
   7   ## Transports
   8   transport :websocket, Phoenix.Transports.WebSocket
   9   # transport :longpoll, Phoenix.Transports.LongPoll
  10
  11   # Socket params are passed from the client and can
  12   # be used to verify and authenticate a user. After
  13   # verification, you can put default assigns into
  14   # the socket that will be set for all channels, ie
  15   #
  16   #     {:ok, assign(socket, :user_id, verified_user_id)}
  17   #
  18   # To deny connection, return `:error`.
  19   #
  20   # See `Phoenix.Token` documentation for examples in
  21   # performing token verification on connect.
  22   def connect(_params, socket) do
  23     {:ok, socket}
  24   end
  25
  26   # Socket id's are topics that allow you to identify all sockets for a given user:
  27   #
  28   #     def id(socket), do: "users_socket:#{socket.assigns.user_id}"
  29   #
  30   # Would allow you to broadcast a "disconnect" event and terminate
  31   # all active sockets and channels for a given user:
  32   #
  33   #     TechRadarEditor.Endpoint.broadcast("users_socket:#{user.id}", "disconnect", %{})
  34   #
  35   # Returning `nil` makes this socket anonymous.
  36   def id(_socket), do: nil
  37 end