Differential D351 Diff 822 web/channels/user_socket.ex

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web/channels/user_socket.ex

	defmodule KolabChat.UserSocket do			defmodule KolabChat.UserSocket do
	use Phoenix.Socket			use Phoenix.Socket

				alias KolabChat.Repo
				alias KolabChat.User

	## Channels			## Channels
	# channel "room:*", KolabChat.RoomChannel			# channel "room:*", KolabChat.RoomChannel

	## Transports			## Transports
	transport :websocket, Phoenix.Transports.WebSocket			transport :websocket, Phoenix.Transports.WebSocket
	# transport :longpoll, Phoenix.Transports.LongPoll			# transport :longpoll, Phoenix.Transports.LongPoll

	# Socket params are passed from the client and can			# Socket params are passed from the client and can
	# be used to verify and authenticate a user. After			# be used to verify and authenticate a user. After
	# verification, you can put default assigns into			# verification, you can put default assigns into
	# the socket that will be set for all channels, ie			# the socket that will be set for all channels, ie
	#
	# {:ok, assign(socket, :user_id, verified_user_id)}			# {:ok, assign(socket, :user_id, verified_user_id)}
	#
	# To deny connection, return `:error`.			# To deny connection, return `:error`.
	#			def connect(%{"token" => token}, socket) do
	# See `Phoenix.Token` documentation for examples in			case Phoenix.Token.verify(socket, "user", token, max_age: 86400) do
	# performing token verification on connect.			{:ok, user_id} ->
	def connect(_params, socket) do			socket = assign(socket, :user, Repo.get!(User, user_id))
	{:ok, socket}			{:ok, socket}
				{:error, _} ->
				:error
				end
	end			end

	# Socket id's are topics that allow you to identify all sockets for a given user:			# Socket id's are topics that allow you to identify all sockets for a given user:
	#			#
	# def id(socket), do: "users_socket:#{socket.assigns.user_id}"			# def id(socket), do: "users_socket:#{socket.assigns.user_id}"
	#			#
	# Would allow you to broadcast a "disconnect" event and terminate			# Would allow you to broadcast a "disconnect" event and terminate
	# all active sockets and channels for a given user:			# all active sockets and channels for a given user:
	#			#
	# KolabChat.Endpoint.broadcast("users_socket:#{user.id}", "disconnect", %{})			# KolabChat.Endpoint.broadcast("users_socket:#{user.id}", "disconnect", %{})
	#			#
	# Returning `nil` makes this socket anonymous.			# Returning `nil` makes this socket anonymous.
	def id(_socket), do: nil			def id(_socket), do: nil
	end			end