Rename mod_presence_demo.ex to mod_example.ex

lib/mod_example.ex

@@ -0,0 +1,33 @@
+defmodule ModPresenceDemo do
+  use Ejabberd.Module
+
+  def start(host, _opts) do
+    info("Starting ejabberd module Presence Demo")
+    Ejabberd.Hooks.add(:set_presence_hook, host, __MODULE__, :on_presence, 50)
+    :ok
+  end
+
+  def stop(host) do
+    info("Stopping ejabberd module Presence Demo")
+    Ejabberd.Hooks.delete(:set_presence_hook, host, __MODULE__, :on_presence, 50)
+    :ok
+  end
+
+  def on_presence(user, _server, _resource, _packet) do
+    info("Receive presence for #{user}")
+    :none
+  end
+
+  def depends(_host, _opts) do
+    []
+  end
+
+  def mod_options(_host) do
+    []
+  end
+
+  def mod_doc() do
+    %{:desc => "This is just a demonstration."}
+  end
+
+end