Differential D417 Diff 951 lib/kolab_chat/web/channels/presence.ex

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	defmodule KolabChat.Presence do			defmodule KolabChat.Web.Presence do
	@moduledoc """			@moduledoc """
	Provides presence tracking to channels and processes.			Provides presence tracking to channels and processes.

	See the [`Phoenix.Presence`](http://hexdocs.pm/phoenix/Phoenix.Presence.html)			See the [`Phoenix.Presence`](http://hexdocs.pm/phoenix/Phoenix.Presence.html)
	docs for more details.			docs for more details.

	## Usage			## Usage

	Presences can be tracked in your channel after joining:			Presences can be tracked in your channel after joining:

	defmodule KolabChat.MyChannel do			defmodule KolabChat.MyChannel do
	use KolabChat.Web, :channel			use KolabChat.Web, :channel
	alias KolabChat.Presence			alias KolabChat.Web.Presence

	def join("some:topic", _params, socket) do			def join("some:topic", _params, socket) do
	send(self, :after_join)			send(self, :after_join)
	{:ok, assign(socket, :user_id, ...)}			{:ok, assign(socket, :user_id, ...)}
	end			end

	def handle_info(:after_join, socket) do			def handle_info(:after_join, socket) do
	{:ok, _} = Presence.track(socket, socket.assigns.user_id, %{			{:ok, _} = Presence.track(socket, socket.assigns.user_id, %{
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