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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date$
// | last modifier : $Author$
// | revision : $Revision$
// +-----------------------------------------------------------------------+
// | 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. |
// +-----------------------------------------------------------------------+
include_once(PHPWG_ROOT_PATH.'/include/functions_metadata.inc.php');
function get_sync_iptc_data($file)
{
global $conf;
$map = $conf['use_iptc_mapping'];
$datefields = array('date_creation', 'date_available');
$iptc = get_iptc_data($file, $map);
foreach ($iptc as $pwg_key => $value)
{
if (in_array($pwg_key, $datefields))
{
if (preg_match('/(\d{4})(\d{2})(\d{2})/', $value, $matches))
{
$iptc[$pwg_key] = $matches[1].'-'.$matches[2].'-'.$matches[3];
}
}
}
if (isset($iptc['keywords']))
{
// keywords separator is the comma, nothing else. Allowed characters in
// keywords : [A-Za-z0-9], "-" and "_". All other characters will be
// considered as separators
$iptc['keywords'] = preg_replace('/[^\w-]+/', ',', $iptc['keywords']);
$iptc['keywords'] = preg_replace('/^,+|,+$/', '', $iptc['keywords']);
}
return $iptc;
}
function update_metadata($files)
{
global $conf;
if (!defined('CURRENT_DATE'))
{
define('CURRENT_DATE', date('Y-m-d'));
}
$datas = array();
foreach ($files as $id => $file)
{
$data = array();
$data['id'] = $id;
$data['filesize'] = floor(filesize($file)/1024);
if ($image_size = @getimagesize($file))
{
$data['width'] = $image_size[0];
$data['height'] = $image_size[1];
}
if ($conf['use_exif'])
{
if ($exif = @read_exif_data($file))
{
if (isset($exif['DateTime']))
{
preg_match('/^(\d{4}).(\d{2}).(\d{2})/',$exif['DateTime'],$matches);
$data['date_creation'] = $matches[1].'-'.$matches[2].'-'.$matches[3];
}
}
}
if ($conf['use_iptc'])
{
$iptc = get_sync_iptc_data($file);
if (count($iptc) > 0)
{
foreach (array_keys($iptc) as $key)
{
$data[$key] = addslashes($iptc[$key]);
}
}
}
$data['date_metadata_update'] = CURRENT_DATE;
array_push($datas, $data);
}
if (count($datas) > 0)
{
$update_fields = array('filesize','width','height','date_metadata_update');
if ($conf['use_exif'])
{
array_push($update_fields, 'date_creation');
}
if ($conf['use_iptc'])
{
$update_fields = array_merge($update_fields,
array_keys($conf['use_iptc_mapping']));
}
$fields = array('primary' => array('id'),
'update' => array_unique($update_fields));
mass_updates(IMAGES_TABLE, $fields, $datas);
}
}
/**
* returns an array associating element id (images.id) with its complete
* path in the filesystem
*
* @param int id_uppercat
* @param boolean recursive ?
* @param boolean only newly added files ?
* @return array
*/
function get_filelist($category_id = '', $recursive = false, $only_new = false)
{
// filling $cat_ids : all categories required
$cat_ids = array();
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE site_id = 1
AND dir IS NOT NULL';
if (is_numeric($category_id))
{
if ($recursive)
{
$query.= '
AND uppercats REGEXP \'(^|,)'.$category_id.'(,|$)\'
';
}
else
{
$query.= '
AND id = '.$category_id.'
';
}
}
$query.= '
;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
array_push($cat_ids, $row['id']);
}
if (count($cat_ids) == 0)
{
return array();
}
$files = array();
$query = '
SELECT id, path
FROM '.IMAGES_TABLE.'
WHERE storage_category_id IN ('.implode(',', $cat_ids).')';
if ($only_new)
{
$query.= '
AND date_metadata_update IS NULL
';
}
$query.= '
;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
$files[$row['id']] = $row['path'];
}
return $files;
}
?>
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