[Sommaire] [Imprimer]

   1  <?php
   2  //
   3  // Definition of eZDBTool class
   4  //
   5  // Created on: <11-Dec-2002 15:07:25 amos>
   6  //
   7  // SOFTWARE NAME: eZ publish
   8  // SOFTWARE RELEASE: 3.9.0
   9  // BUILD VERSION: 17785
  10  // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS
  11  // SOFTWARE LICENSE: GNU General Public License v2.0
  12  // NOTICE: >
  13  //   This program is free software; you can redistribute it and/or
  14  //   modify it under the terms of version 2.0  of the GNU General
  15  //   Public License as published by the Free Software Foundation.
  16  //
  17  //   This program is distributed in the hope that it will be useful,
  18  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  //   GNU General Public License for more details.
  21  //
  22  //   You should have received a copy of version 2.0 of the GNU General
  23  //   Public License along with this program; if not, write to the Free
  24  //   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  25  //   MA 02110-1301, USA.
  26  //
  27  //
  28  
  29  /*! \file ezdbtool.php
  30  */
  31  
  32  /*!
  33    \class eZDBTool ezdbtool.php
  34    \brief The class eZDBTool does
  35  
  36  */
  37  
  38  include_once ( 'lib/ezdb/classes/ezdb.php' );
  39  
  40  class eZDBTool
  41  {
  42      /*!
  43       Constructor
  44      */
  45      function eZDBTool()
  46      {
  47      }
  48  
  49      /*!
  50       \return true if the database does not contain any relation objects.
  51       \note If db is not specified it will use eZDB::instance()
  52      */
  53      function isEmpty( &$db )
  54      {
  55          if ( $db === null )
  56              $db =& eZDB::instance();
  57          $relationTypeMask = $db->supportedRelationTypeMask();
  58          $count = $db->relationCounts( $relationTypeMask );
  59          return $count == 0;
  60      }
  61  
  62      /*!
  63       Tries to remove all relation types from the database.
  64       \note If db is not specified it will use eZDB::instance()
  65      */
  66      function cleanup( &$db )
  67      {
  68          if ( $db === null )
  69              $db =& eZDB::instance();
  70          $relationTypes = $db->supportedRelationTypes();
  71          $result = true;
  72          $defaultRegexp = "#^ez|tmp_notification_rule_s#";
  73          foreach ( $relationTypes as $relationType )
  74          {
  75              $relationItems = $db->relationList( $relationType );
  76              // This is the default regexp, unless the db driver provides one
  77              $matchRegexp = null;
  78              if ( method_exists( $db, 'relationMatchRegexp' ) )
  79              {
  80                  $matchRegexp = $db->relationMatchRegexp( $relationType );
  81              }
  82              if ( $matchRegexp === null )
  83                  $matchRegexp = $defaultRegexp;
  84              foreach ( $relationItems as $relationItem )
  85              {
  86                  // skip relations that shouldn't be touched
  87                  if ( $matchRegexp !== false and
  88                       !preg_match( $matchRegexp, $relationItem ) )
  89                      continue;
  90  
  91                  if ( !$db->removeRelation( $relationItem, $relationType ) )
  92                  {
  93                      $result = false;
  94                      break;
  95                  }
  96              }
  97              if ( !$result )
  98                  break;
  99          }
 100          return $result;
 101      }
 102  }
 103  
 104  ?>