fixes #855 trigger on group deletion

* adding trigger (admin screen)
* adding trigger (API)
* update trigger list

admin/group_list.php

@@ -157,14 +157,17 @@ SELECT name
       WHERE group_id = '.$group.'
     ;';
       pwg_query($query);
-    
+
       $query = '
-    SELECT name
+    SELECT id, name
       FROM '.GROUPS_TABLE.'
       WHERE id = '.$group.'
     ;';
-      list($groupname) = pwg_db_fetch_row(pwg_query($query));
-      
+
+      $group_list = query2array($query, 'id', 'name');
+      $groupids = array_keys($group_list);
+      list($groupname) = array_values($group_list);
+
       // destruction of the group
       $query = '
     DELETE
@@ -172,7 +175,9 @@ SELECT name
       WHERE id = '.$group.'
     ;';
       pwg_query($query);
-    
+
+      trigger_notify('delete_group', $groupids);
+
       $page['infos'][] = l10n('group "%s" deleted', $groupname);
     }
   }

include/ws_functions/pwg.groups.php

@@ -135,11 +135,14 @@ DELETE
   pwg_query($query);
 
   $query = '
-SELECT name
+SELECT id, name
   FROM '. GROUPS_TABLE .'
   WHERE id IN('. $group_id_string  .')
 ;';
-  $groupnames = array_from_query($query, 'name');
+
+  $group_list = query2array($query, 'id', 'name');
+  $groupnames = array_values($group_list);
+  $groupids = array_keys($group_list);
 
   // destruction of the group
   $query = '
@@ -149,6 +152,8 @@ DELETE
 ;';
   pwg_query($query);
 
+  trigger_notify('delete_group', $groupids);
+
   include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
   invalidate_user_cache();
 

tools/triggers_list.php

@@ -83,6 +83,12 @@ array(
   'vars' => array('array', 'ids'),
   'files' => array('admin\include\functions.inc.php (delete_categories)'),
 ),
+array(
+  'name' => 'delete_group',
+  'type' => 'trigger_notify',
+  'vars' => array('array', 'groupids'),
+  'files' => array('admin\group_list.php','admin\include\functions.inc.php (delete_group)'),
+),
 array(
   'name' => 'delete_elements',
   'type' => 'trigger_notify',