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defmodule LSG.IRC.UserTrackHandler do
@moduledoc """
# User Track Handler
This handlers keeps track of users presence and privileges.
Planned API:
UserTrackHandler.operator?(%ExIRC.Sender{nick: "href", …}, "#channel") :: boolean
"""
def irc_doc, do: nil
def start_link(client) do
GenServer.start_link(__MODULE__, [client])
end
defstruct client: nil, ets: nil
def init([client]) do
ExIRC.Client.add_handler client, self
{:ok, %__MODULE__{client: client}}
end
def handle_info({:joined, channel}, state) do
ExIRC.Client.who(state.client, channel)
{:noreply, state}
end
def handle_info({:who, channel, whos}, state) do
Enum.map(whos, fn(who = %ExIRC.Who{nick: nick, operator?: operator}) ->
priv = if operator, do: [:operator], else: []
LSG.IRC.UserTrack.joined(channel, who, priv)
end)
{:noreply, state}
end
def handle_info({:quit, _reason, sender}, state) do
LSG.IRC.UserTrack.quitted(sender)
{:noreply, state}
end
def handle_info({:joined, channel, sender}, state) do
LSG.IRC.UserTrack.joined(channel, sender, [])
{:noreply, state}
end
def handle_info({:kicked, nick, _by, channel, _reason}, state) do
parted(channel, nick)
{:noreply, state}
end
def handle_info({:parted, channel, %ExIRC.SenderInfo{nick: nick}}, state) do
parted(channel, nick)
{:noreply, state}
end
def handle_info({:mode, [channel, mode, nick]}, state) do
mode(channel, nick, mode)
{:noreply, state}
end
def handle_info({:nick_changed, old_nick, new_nick}, state) do
rename(old_nick, new_nick)
{:noreply, state}
end
def handle_info(msg, state) do
{:noreply, state}
end
defp parted(channel, nick) do
LSG.IRC.UserTrack.parted(channel, nick)
:ok
end
defp mode(channel, nick, "+o") do
LSG.IRC.UserTrack.change_privileges(channel, nick, {[:operator], []})
:ok
end
defp mode(channel, nick, "-o") do
LSG.IRC.UserTrack.change_privileges(channel, nick, {[], [:operator]})
:ok
end
defp rename(old, new) do
LSG.IRC.UserTrack.renamed(old, new)
:ok
end
end
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