git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 149 insertions, 0 deletions

diff --git a/BSF/install/db/19-database.php b/BSF/install/db/19-database.php
new file mode 100644
index 000000000..e26b502f7
--- /dev/null
+++ b/BSF/install/db/19-database.php
@@ -0,0 +1,149 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008      Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | 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                                          |
+// |                                                                       |
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+$upgrade_description = '#images.keywords moved to new table #tags';
+
+// +-----------------------------------------------------------------------+
+// |                              New tables                               |
+// +-----------------------------------------------------------------------+
+
+$query = '
+CREATE TABLE '.PREFIX_TABLE.'tags (
+  id smallint(5) UNSIGNED NOT NULL auto_increment,
+  name varchar(255) BINARY NOT NULL,
+  url_name varchar(255) BINARY NOT NULL,
+  PRIMARY KEY (id)
+) TYPE=MyISAM
+;';
+pwg_query($query);
+
+$query = '
+CREATE TABLE '.PREFIX_TABLE.'image_tag (
+  image_id mediumint(8) UNSIGNED NOT NULL,
+  tag_id smallint(5) UNSIGNED NOT NULL,
+  PRIMARY KEY (image_id,tag_id)
+) TYPE=MyISAM
+;';
+pwg_query($query);
+
+// +-----------------------------------------------------------------------+
+// |                        Move keywords to tags                          |
+// +-----------------------------------------------------------------------+
+
+// each tag label is associated to a numeric identifier
+$tag_id = array();
+// to each tag id (key) a list of image ids (value) is associated
+$tag_images = array();
+
+$current_id = 1;
+
+$query = '
+SELECT id, keywords
+  FROM '.PREFIX_TABLE.'images
+  WHERE keywords IS NOT NULL
+;';
+$result = pwg_query($query);
+while ($row = mysql_fetch_array($result))
+{
+  foreach(preg_split('/[,]+/', $row['keywords']) as $keyword)
+  {
+    if (!isset($tag_id[$keyword]))
+    {
+      $tag_id[$keyword] = $current_id++;
+    }
+
+    if (!isset($tag_images[ $tag_id[$keyword] ]))
+    {
+      $tag_images[ $tag_id[$keyword] ] = array();
+    }
+
+    array_push($tag_images[ $tag_id[$keyword] ], $row['id']);
+  }
+}
+
+$datas = array();
+foreach ($tag_id as $tag_name => $tag_id)
+{
+  array_push(
+    $datas,
+    array(
+      'id'       => $tag_id,
+      'name'     => $tag_name,
+      'url_name' => str2url($tag_name),
+      )
+    );
+}
+if (!empty($datas))
+mass_inserts(
+  PREFIX_TABLE.'tags',
+  array_keys($datas[0]),
+  $datas
+  );
+
+$datas = array();
+foreach ($tag_images as $tag_id => $images)
+{
+  foreach (array_unique($images) as $image_id)
+  {
+    array_push(
+      $datas,
+      array(
+        'tag_id'   => $tag_id,
+        'image_id' => $image_id,
+        )
+      );
+  }
+}
+
+if (!empty($datas))
+mass_inserts(
+  PREFIX_TABLE.'image_tag',
+  array_keys($datas[0]),
+  $datas
+  );
+
+// +-----------------------------------------------------------------------+
+// |                         Delete images.keywords                        |
+// +-----------------------------------------------------------------------+
+
+$query = '
+ALTER TABLE '.PREFIX_TABLE.'images DROP COLUMN keywords
+;';
+pwg_query($query);
+
+// +-----------------------------------------------------------------------+
+// |                           End notification                            |
+// +-----------------------------------------------------------------------+
+
+echo
+"\n"
+.'Table '.PREFIX_TABLE.'tags created and filled'."\n"
+.'Table '.PREFIX_TABLE.'image_tag created and filled'."\n"
+.'Column '.PREFIX_TABLE.'images.keywords dropped'."\n"
+;
+?>