<?php
/*
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2006 Bharat Mediratta
 *
 * 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; either version 2 of the License, or (at
 * your option) any later version.
 *
 * 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., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */
/**
 * @version $Revision: 13704 $ $Date: 2006-05-21 10:08:02 -0700 (Sun, 21 May 2006) $
 * @package ItemAdd
 * @subpackage UserInterface
 * @author Bharat Mediratta <bharat@menalto.com>
 */

/**
 * This controller will handle the addition of an item as a children to another item.
 *
 * @package ItemAdd
 * @subpackage UserInterface
 */
class ItemAddBulk extends ItemAddPlugin {

    /**
     * @see ItemAddPlugin::handleRequest
     */
    function handleRequest($form, &$item) {
	global $gallery;

	$status = $error = array();
	if (isset($form['action']['add'])) {
	    if (empty($form['path'])) {
		$error[] = 'form[error][path]';
	    }

	    if (empty($error)) {
		$platform =& $gallery->getPlatform();

		if (!$platform->is_readable($form['path'])) {
		    $error[] = 'form[error][path][invalid]';
		}
	    }

	    if (empty($error)) {
		$data = $platform->file($form['path']);

		list ($ret, $lockId) = GalleryCoreApi::acquireReadLock($item->getId());
		if ($ret) {
		    return array($ret, null, null);
		}

		$fields = split("\t", trim(array_shift($data)));
		foreach ($data as $line) {
		    $line = split("\t", trim($line));
		    for ($i = 0; $i < count($fields); $i++) {
			$line[$fields[$i]] = $line[$i];
		    }

		    list ($base, $extension) =
			GalleryUtilities::getFileNameComponents(basename($line['filename']));
		    list ($ret, $mimeType) = GalleryCoreApi::convertExtensionToMime($extension);
		    if ($ret) {
			GalleryCoreApi::releaseLocks($lockId);
			return array($ret, null, null);
		    }

		    $fileName = $line['filename'];
		    if (!($fileName[0] == '/' || $fileName[0] == '\\')) {
			$fileName = dirname($form['path']) . '/' . $fileName;
		    }

		    if ($platform->is_readable($fileName)) {
			list ($ret, $newItem) = GalleryCoreApi::addItemToAlbum(
			    $fileName,
			    isset($line['title']) ? $line['title'] : '',
			    isset($line['title']) ? $line['title'] : '',
			    isset($line['summary']) ? $line['summary'] : '',
			    isset($line['description']) ? $line['description'] : '',
			    $mimeType,
			    $item->getId(),
			    false);
			if ($ret) {
			    GalleryCoreApi::releaseLocks($lockId);
			    return array($ret, null, null);
			}

			/* Set the keywords by hand, since we don't offer that in the API */
			if (!empty($line['keywords'])) {
			    list ($ret, $itemLockId) =
				GalleryCoreApi::acquireWriteLock($newItem->getId());
			    if ($ret) {
				return array($ret, null, null);
			    }

			    list ($ret, $newItem) = $newItem->refresh();
			    if ($ret) {
				return array($ret, null, null);
			    }

			    $newItem->setKeywords($line['keywords']);
			    $ret = $newItem->save();
			    if ($ret) {
				return array($ret, null, null);
			    }

			    $ret = GalleryCoreApi::releaseLocks($itemLockId);
			    if ($ret) {
				return array($ret, null, null);
			    }
			}
			$newItemId = $newItem->getId();
		    } else {
			$newItemId = null;
		    }

		    $status['addedFiles'][] = array(
			'fileName' => GalleryCoreApi::convertToUtf8($fileName),
			'id' => $newItemId,
			'warnings' => array());
		}

		$ret = GalleryCoreApi::releaseLocks($lockId);
		if ($ret) {
		    return array($ret, null, null);
		}
	    }
	}

	return array(null, $error, $status);
    }


    /**
     * @see ItemAdd:loadTemplate
     */
    function loadTemplate(&$template, &$form, $item) {
	if ($form['formName'] != 'ItemAddBulk') {
	    $form['formName'] = 'ItemAddBulk';
	}

	return array(null,
		     'modules/bulkupload/templates/ItemAddBulk.tpl',
		     'modules_bulkupload');
    }

    /**
     * @see ItemAddPlugin::getTitle
     */
    function getTitle() {
	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'core');
	if ($ret) {
	    return array($ret, null);
	}

	return array(null, $module->translate('Bulk Upload'));
    }
}
?>