Differential D351 Diff 810 web/channels/system_channel.ex

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Standalone View

				defmodule KolabChat.SystemChannel do
				use KolabChat.Web, :channel

				alias KolabChat.Presence

				def join("system", _, socket) do
				Process.flag(:trap_exit, true)
				:timer.send_interval(10000, :ping)
				send self(), :after_join

				{:ok, socket}
				end

				def handle_info(:after_join, socket) do
				Presence.track(socket, socket.assigns.user.username, %{
				status: "online"
				})

				push socket, "info", %{user: socket.assigns.user.username}
				push socket, "presence_state", Presence.list(socket)

				{:noreply, socket}
				end

				def handle_info(:ping, socket) do
				push socket, "new:msg", %{user: "SYSTEM", body: "ping"}

				{:noreply, socket}
				end

				def handle_in("set-status", %{"status" => status}, socket) do
				{:ok, _} = Presence.update(socket, socket.assigns.user.username, %{
				status: status
				})

				{:noreply, socket}
				end
				end