<?php if(!defined('PmWiki')) exit();

/*

  Recipe for Group Creation abortion or permission


 *****
 *
 *  Copyright 2018 Carlos A. Bonamigo <cabsec.pmwiki@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *****

*/


$RecipeInfo['blockgroupcreation']['Version'] = '20180319';

array_unshift($EditFunctions, 'NewGroupCreation');

SDV($EnableGroupCreation, 1);
SDV($EnableGroupCreationRedir, 0);
SDV($GroupCreationRedirPage, "\$SiteGroup.NoNewGroups");

function NewGroupCreation($pagename, $page, $new){
global $EnableGroupCreation,$EnableGroupCreationRedir,
   $GroupCreationRedirPage,$SiteGroup,$EnablePost,$MessagesFmt;
  if ($EnablePost == 0) return;
  if ($EnableGroupCreation == 0) return;
   $pagename = ResolvePageName($pagename);
   $group = PageVar($pagename, '$Group');
   $CheckPage = $group.".RecentChanges";
   $ReadCheckPage = ReadPage($CheckPage);
  if($ReadCheckPage['text'] > "") return;
  if($EnableGroupCreationRedir == 1)
         Redirect($GroupCreationRedirPage);
         exit();
  else{
    $EnablePost = 0;
    $Message = '$[Creation of new Groups are blocked by the admin]';
    $MessagesFmt[] = $Message;
  }
}