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defmodule ModPresenceDemo do
import Ejabberd.Logger # this allow using info, error, etc for logging
@behaviour :gen_mod
def start(host, _opts) do
info('Starting ejabberd module Presence Demo')
Ejabberd.Hooks.add(:set_presence_hook, host, __ENV__.module, :on_presence, 50)
:ok
end
def stop(host) do
info('Stopping ejabberd module Presence Demo')
Ejabberd.Hooks.delete(:set_presence_hook, host, __ENV__.module, :on_presence, 50)
:ok
end
def on_presence(user, _server, _resource, _packet) do
info('Receive presence for #{user}')
:none
end
end
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