Handle differently Items in Roster and their related events

app/widgets/Roster/Roster.php

@@ -15,8 +15,8 @@ class Roster extends \Movim\Widget\Base
         $this->addjs('roster.js');
         $this->registerEvent('roster_getlist_handle', 'onRoster', 'contact');
         $this->registerEvent('roster_additem_handle', 'onAdd', 'contact');
-        $this->registerEvent('roster_removeitem_handle', 'onDelete', 'contact');
-        $this->registerEvent('roster_updateitem_handle', 'onUpdate', 'contact');
+        $this->registerEvent('roster_removeitem_handle', 'onDelete');
+        $this->registerEvent('roster_updateitem_handle', 'onUpdate');
         $this->registerEvent('roster', 'onChange', 'contact');
         $this->registerEvent('presence', 'onPresence', 'contact');
     }

lib/moxl/src/Moxl/Xec/Action/Roster/RemoveItem.php

@@ -25,7 +25,7 @@ class RemoveItem extends Action
     {
         $contact = \App\User::me()
               ->session
-              ->contacts
+              ->contacts()
               ->where('jid', $this->_to)
               ->first();
         if ($contact) $contact->delete();

lib/moxl/src/Moxl/Xec/Action/Roster/UpdateItem.php

@@ -38,12 +38,7 @@ class UpdateItem extends Action
 
     public function handle($stanza, $parent = false)
     {
-        $roster = \App\User::me()
-                      ->session
-                      ->contacts
-                      ->where('jid', $this->_to)
-                      ->first();
-
+        $roster = \App\Roster::firstOrNew(['jid' => $this->_to]);
         $roster->name = $this->_name;
         $roster->group = $this->_group;
         $roster->save();