524011bfa6
bugged (r2297 was repeating new and old header). By the way, I've also removed the replacement keywords. We were using them because it was a common usage with CVS but it is advised not to use them with Subversion. Personnaly, it is a problem when I search differences between 2 Piwigo installations outside Subversion. git-svn-id: http://piwigo.org/svn/trunk@2299 68402e56-0260-453c-a942-63ccdbb3a9ee
149 lines
4.6 KiB
PHP
149 lines
4.6 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based picture gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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if (!defined('PHPWG_ROOT_PATH'))
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{
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die('Hacking attempt!');
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}
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$upgrade_description = '#images.keywords moved to new table #tags';
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// +-----------------------------------------------------------------------+
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// | New tables |
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// +-----------------------------------------------------------------------+
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$query = '
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CREATE TABLE '.PREFIX_TABLE.'tags (
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id smallint(5) UNSIGNED NOT NULL auto_increment,
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name varchar(255) BINARY NOT NULL,
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url_name varchar(255) BINARY NOT NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM
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;';
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pwg_query($query);
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$query = '
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CREATE TABLE '.PREFIX_TABLE.'image_tag (
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image_id mediumint(8) UNSIGNED NOT NULL,
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tag_id smallint(5) UNSIGNED NOT NULL,
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PRIMARY KEY (image_id,tag_id)
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) TYPE=MyISAM
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;';
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pwg_query($query);
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// +-----------------------------------------------------------------------+
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// | Move keywords to tags |
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// +-----------------------------------------------------------------------+
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// each tag label is associated to a numeric identifier
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$tag_id = array();
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// to each tag id (key) a list of image ids (value) is associated
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$tag_images = array();
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$current_id = 1;
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$query = '
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SELECT id, keywords
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FROM '.PREFIX_TABLE.'images
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WHERE keywords IS NOT NULL
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;';
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$result = pwg_query($query);
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while ($row = mysql_fetch_array($result))
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{
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foreach(preg_split('/[,]+/', $row['keywords']) as $keyword)
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{
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if (!isset($tag_id[$keyword]))
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{
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$tag_id[$keyword] = $current_id++;
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}
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if (!isset($tag_images[ $tag_id[$keyword] ]))
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{
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$tag_images[ $tag_id[$keyword] ] = array();
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}
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array_push($tag_images[ $tag_id[$keyword] ], $row['id']);
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}
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}
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$datas = array();
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foreach ($tag_id as $tag_name => $tag_id)
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{
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array_push(
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$datas,
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array(
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'id' => $tag_id,
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'name' => $tag_name,
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'url_name' => str2url($tag_name),
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)
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);
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}
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if (!empty($datas))
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mass_inserts(
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PREFIX_TABLE.'tags',
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array_keys($datas[0]),
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$datas
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);
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$datas = array();
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foreach ($tag_images as $tag_id => $images)
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{
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foreach (array_unique($images) as $image_id)
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{
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array_push(
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$datas,
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array(
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'tag_id' => $tag_id,
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'image_id' => $image_id,
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)
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);
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}
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}
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if (!empty($datas))
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mass_inserts(
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PREFIX_TABLE.'image_tag',
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array_keys($datas[0]),
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$datas
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);
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// +-----------------------------------------------------------------------+
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// | Delete images.keywords |
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// +-----------------------------------------------------------------------+
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$query = '
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ALTER TABLE '.PREFIX_TABLE.'images DROP COLUMN keywords
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;';
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pwg_query($query);
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// +-----------------------------------------------------------------------+
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// | End notification |
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// +-----------------------------------------------------------------------+
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echo
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"\n"
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.'Table '.PREFIX_TABLE.'tags created and filled'."\n"
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.'Table '.PREFIX_TABLE.'image_tag created and filled'."\n"
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.'Column '.PREFIX_TABLE.'images.keywords dropped'."\n"
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;
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?>
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