Refactor ejabberd API integration

app/jobs/xmpp_set_default_bookmarks_job.rb

@@ -2,25 +2,6 @@ class XmppSetDefaultBookmarksJob < ApplicationJob
   queue_as :default
 
   def perform(user)
-    return unless Setting.xmpp_default_rooms.any?
-    @user = user
-    ejabberd = EjabberdApiClient.new
-    ejabberd.private_set user, storage_content
-  end
-
-  def storage_content
-    bookmarks = ""
-    Setting.xmpp_default_rooms.each do |r|
-      bookmarks << conference_element(
-        jid: r[/<(.+)>/, 1], name: r[/^(.+)\s/, 1], nick: @user.cn,
-        autojoin: Setting.xmpp_autojoin_default_rooms
-      )
-    end
-
-    "<storage xmlns='storage:bookmarks'>#{bookmarks}</storage>"
-  end
-
-  def conference_element(jid:, name:, autojoin: false, nick:)
-    "<conference jid='#{jid}' name='#{name}' autojoin='#{autojoin.to_s}'><nick>#{nick}</nick></conference>"
+    EjabberdManager::SetDefaultBookmarks.call(user:)
   end
 end