source: inc/dbschema/upgrade.php @ 0:54703be25dd6

<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2010 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_RC_PATH')) { return; }

function dotclearUpgrade($core)
{
     $version = $core->getVersion('core');
     
     if ($version === null) {
          return false;
     }
     
     if (version_compare($version,DC_VERSION,'<') == 1)
     {
          try
          {
               if ($core->con->driver() == 'sqlite') {
                    throw new Exception(__('SQLite Database Schema cannot be upgraded.'));
               }
               
               # Database upgrade
               $_s = new dbStruct($core->con,$core->prefix);
               require dirname(__FILE__).'/db-schema.php';
               
               $si = new dbStruct($core->con,$core->prefix);
               $changes = $si->synchronize($_s);
               
               /* Some other upgrades
               ------------------------------------ */
               # Populate media_dir field (since 2.0-beta3.3)
               if (version_compare($version,'2.0-beta3.3','<'))
               {
                    $strReq = 'SELECT media_id, media_file FROM '.$core->prefix.'media ';
                    $rs_m = $core->con->select($strReq);
                    while($rs_m->fetch()) {
                         $cur = $core->con->openCursor($core->prefix.'media');
                         $cur->media_dir = dirname($rs_m->media_file);
                         $cur->update('WHERE media_id = '.(integer) $rs_m->media_id);
                    }
               }
               
               if (version_compare($version,'2.0-beta7.3','<'))
               {
                    # Blowup becomes default theme
                    $strReq = 'UPDATE '.$core->prefix.'setting '.
                              "SET setting_value = '%s' ".
                              "WHERE setting_id = 'theme' ".
                              "AND setting_value = '%s' ".
                              'AND blog_id IS NOT NULL ';
                    $core->con->execute(sprintf($strReq,'blueSilence','default'));
                    $core->con->execute(sprintf($strReq,'default','blowup'));
               }
               
               if (version_compare($version,'2.1-alpha2-r2383','<'))
               {
                    $schema = dbSchema::init($core->con);
                    $schema->dropUnique($core->prefix.'category',$core->prefix.'uk_cat_title');
                    
                    # Reindex categories
                    $rs = $core->con->select(
                         'SELECT cat_id, cat_title, blog_id '.
                         'FROM '.$core->prefix.'category '.
                         'ORDER BY blog_id ASC , cat_position ASC '
                    );
                    $cat_blog = $rs->blog_id;
                    $i = 2;
                    while ($rs->fetch()) {
                         if ($cat_blog != $rs->blog_id) {
                              $i = 2;
                         }
                         $core->con->execute(
                              'UPDATE '.$core->prefix.'category SET '
                              .'cat_lft = '.($i++).', cat_rgt = '.($i++).' '.
                              'WHERE cat_id = '.(integer) $rs->cat_id
                         );
                         $cat_blog = $rs->blog_id;
                    }
               }
               
               if (version_compare($version,'2.1.6','<='))
               {
                    # ie7js has been upgraded
                    $ie7files = array (
                         'ie7-base64.php ',
                         'ie7-content.htc',
                         'ie7-core.js',
                         'ie7-css2-selectors.js',
                         'ie7-css3-selectors.js',
                         'ie7-css-strict.js',
                         'ie7-dhtml.js',
                         'ie7-dynamic-attributes.js',
                         'ie7-fixed.js',
                         'ie7-graphics.js',
                         'ie7-html4.js',
                         'ie7-ie5.js',
                         'ie7-layout.js',
                         'ie7-load.htc',
                         'ie7-object.htc',
                         'ie7-overflow.js',
                         'ie7-quirks.js',
                         'ie7-server.css',
                         'ie7-standard-p.js',
                         'ie7-xml-extras.js'
                         );
                    foreach ($ie7files as $f) {
                         @unlink(DC_ROOT.'/admin/js/ie7/'.$f);
                    }
               }
               
               if (version_compare($version,'2.2-alpha1-r3043','<'))
               {
                    # metadata has been integrated to the core.
                    $core->plugins->loadModules(DC_PLUGINS_ROOT);
                    if ($core->plugins->moduleExists('metadata')) {
                         $core->plugins->deleteModule('metadata');
                    }
                    
                    # Tags template class has been renamed
                    $sqlstr =
                         'SELECT blog_id, setting_id, setting_value '.
                         'FROM '.$core->prefix.'setting '.
                         'WHERE (setting_id = \'widgets_nav\' OR setting_id = \'widgets_extra\') '.
                         'AND setting_ns = \'widgets\';';
                    $rs = $core->con->select($sqlstr);
                    while ($rs->fetch()) {
                         $widgetsettings = base64_decode($rs->setting_value);
                         $widgetsettings = str_replace ('s:11:"tplMetadata"','s:7:"tplTags"',$widgetsettings);
                         $cur = $core->con->openCursor($core->prefix.'setting');
                         $cur->setting_value = base64_encode($widgetsettings);
                         $sqlstr = 'WHERE setting_id = \''.$rs->setting_id.'\' AND setting_ns = \'widgets\' '.
                         'AND blog_id ' .
                         ($rs->blog_id == NULL ? 'is NULL' : '= \''.$core->con->escape($rs->blog_id).'\'');
                         $cur->update($sqlstr);
                    }
               }
               
               $core->setVersion('core',DC_VERSION);
               $core->blogDefaults();
               
               # Drop content from session table
               $core->con->execute('DELETE FROM '.$core->prefix.'session ');
               
               # Empty templates cache directory
               try {
                    $core->emptyTemplatesCache();
               } catch (Exception $e) {}
               
               return $changes;
          }
          catch (Exception $e)
          {
               throw new Exception(__('Something went wrong with auto upgrade:').
               ' '.$e->getMessage());
          }
     }
     
     # No upgrade?
     return false;
}
?>