From 76eba3647a9763e7e1e65759f13f61d3b9e73e87 Mon Sep 17 00:00:00 2001
From: Mickael Remond <mremond@process-one.net>
Date: Mon, 1 Aug 2016 15:46:14 +0200
Subject: [PATCH] Implement gen_mod callback in ModPresenceDemo module

---
 lib/mod_presence_demo.ex | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/mod_presence_demo.ex b/lib/mod_presence_demo.ex
index 89fc60d87..ba5abe90e 100644
--- a/lib/mod_presence_demo.ex
+++ b/lib/mod_presence_demo.ex
@@ -7,15 +7,20 @@ defmodule ModPresenceDemo do
     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
+
+  # gen_mod callbacks
+  def depends(_host, _opts), do: []
+  def mod_opt_type(_), do: []
+
 end