<?php

class filterOpsiLicense {

  static function query($base, $scope, $filter, $attributes, $category, $objectStorage= "")
  {

    if(!class_available('opsi')) return(array());

    $config= session::global_get('config');
    $ldap= $config->get_ldap_link(TRUE);
    $flag= ($scope == "sub")?GL_SUBSEARCH:0;
    $result= filterOpsiLicense::get_list($base, $filter, $attributes, $category, $objectStorage, $flag);

    // Prepare filter and split it into attribute and value to search for
    $filter=preg_replace("/\*/","",$filter);
    $attr = $value = "";
    if(!empty($filter) && preg_match("/=/", $filter)){
      list($attr,$value) = preg_split("/=/", $filter);
    }

    // Simple filtering 
    if(!empty($attr)){
      foreach($result as $key => $entry){
        if(!preg_match("/".$value."/i", $entry[$attr][0])){
          unset($result[$key]);
        }
      }
    }

    return(filterACL::unifyResult($result));
  }

  static function get_list($base, $filter, $attributes, $category, $objectStorage, $flags= GL_SUBSEARCH)
  {
    $config= session::global_get('config');
    $si = new opsiLicenceHandler($config);

    if(!$si->enabled()) return(array());

    $res = $si->listPools();
    $result = array();
    if($si->is_error() || !is_array($res)){
      $this->init_successfull = FALSE;
      msg_dialog::display(_("Error"),msgPool::siError($si->get_error()),ERROR_DIALOG);
      return;
    }else{

      // Reset the list of licenses
      foreach($res as $item){

        $item['objectClass'] = array('fake_opsiLicense');

        // Fake an ldap entry, this enables ACL checks.
        $entry = array();
        $entry['dn'] = "opsi:cn=".$item['cn'][0].",".$config->current['BASE'];
        foreach($item as $name => $value){
          $entry[] = $name;
          $entry[$name] = $value;
        }
        $entry['count'] = count($item);
        $result[] = $entry;
      }
    }
    return($result);
  }

  static function unifyResult($result)
  {
    $res=array();
    foreach($result as $entry){
      if(!isset($res[$entry['dn']])){
        $res[$entry['dn']]=$entry;
      }
    }
    return(array_values($res)); 
  }
}

?>