Viewing file:  RatingAlbum.inc (6.38 KB) -rw-r--r--
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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 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.
*/
/**
* Dynamic album view to show highly rated items.
* @package Rating
* @subpackage UserInterface
* @author Alan Harder <alan.harder@sun.com>
* @version $Revision: 15513 $
*/
class RatingAlbumView extends GalleryView {
/**
* @see GalleryView::getViewType
*/
function getViewType() {
return VIEW_TYPE_SHOW_ITEM;
}
/**
* @see GalleryView::loadThemeAndParameters
*/
function loadThemeAndParameters() {
list ($ret, $item) = GalleryCoreApi::newFactoryInstance('GalleryDynamicAlbum');
if ($ret) {
return array($ret, null, null, null);
}
if (!isset($item)) {
return array(GalleryCoreApi::error(ERROR_MISSING_OBJECT), null, null, null);
}
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'rating');
if ($ret) {
return array($ret, null, null, null);
}
list ($limit, $itemId) = GalleryUtilities::getRequestVariables('limit', 'itemId');
$item->create(
$module->translate(array('text' => 'Rating Album: %s', 'arg1' => $limit)),
array(array('Rating Album', 'rating album'),
array($module->translate('Rating Album'), $module->translate('rating album')))
);
list ($ret, $moduleParams) = GalleryCoreApi::fetchAllPluginParameters('module', 'rating');
if ($ret) {
return array($ret, null, null, null);
}
$item->setDescription($moduleParams['description']);
if (!empty($itemId)) {
/* Viewing an item in this dynamic album */
list ($ret, $viewItem) = GalleryCoreApi::loadEntitiesById($itemId);
if ($ret) {
return array($ret, null, null, null);
}
if (!GalleryUtilities::isA($viewItem, 'GalleryItem')) {
/* Invalid itemId given, return MISSING_OBJECT to get standard error page */
return array(GalleryCoreApi::error(ERROR_MISSING_OBJECT), null, null, null);
}
/* Provide parent, parent URL and get-children function to Theme API */
$item->urlParams = array('view' => 'rating.RatingAlbum', 'limit' => $limit,
'highlightId' => $itemId);
$item->getChildrenFunction = array('RatingAlbumView', 'getChildIds');
$viewItem->parent = $item;
$item = $viewItem;
}
if (empty($moduleParams['themeId'])) {
list ($ret, $theme) = $this->loadThemeForItem();
if ($ret || !isset($theme)) {
/* Ignore errors here so fallback theme can be used */
return array(null, null, array(), $item);
}
} else {
list ($ret, $theme) = GalleryView::_loadTheme($moduleParams['themeId']);
if ($ret || !isset($theme)) {
/* Ignore errors here so fallback theme can be used */
return array(null, null, array(), $item);
}
}
list ($ret, $params) = $theme->fetchParameters($moduleParams['themeSettingsId']);
if ($ret) {
return array($ret, null, null, null);
}
return array(null, $theme, $params, $item);
}
/**
* @see GalleryView::loadTemplate
*/
function loadTemplate(&$template, &$form) {
$theme =& $template->getVariableByReference('theme');
list ($limit, $itemId) = GalleryUtilities::getRequestVariables('limit', 'itemId');
$theme['pageUrl'] = array('view' => 'rating.RatingAlbum', 'limit' => $limit);
list ($ret, $minLimit) = GalleryCoreApi::getPluginParameter('module', 'rating', 'minLimit');
if ($ret) {
return array($ret, null);
}
if ($limit < $minLimit) {
return array(null, array('redirect' =>
array('view' => 'rating.RatingAlbum', 'limit' => $minLimit)));
}
if (empty($itemId)) {
/* Perform query for this dynamic album */
list ($ret, $theme['allChildIds']) =
$this->getChildIds($theme['actingUserId'], $limit);
if ($ret) {
return array($ret, null);
}
} else {
/* Item in dynamic album; use core.ShowItem to check permission, increment view count */
list ($ret, $showItem) = GalleryView::loadView('core.ShowItem');
if ($ret) {
return array($ret, null);
}
list ($ret, $result) = $showItem->loadTemplate($template, $form);
if ($ret) {
return array($ret, null);
}
if (isset($result['redirect'])) {
return array(null, $result);
}
}
return array(null, array());
}
/**
* Dynamic query for items
* @param int $userId
* @param float $limit (optional) limit for query; get from request if not specified
* @return array object GalleryStatus a status code
* array of item ids
* @static
*/
function getChildIds($userId, $limit=null) {
global $gallery;
$storage =& $gallery->getStorage();
if (!isset($limit)) {
$limit = GalleryUtilities::getRequestVariables('limit');
}
if (empty($limit) || $limit <= 0) {
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER), null);
}
list ($ret, $params) = GalleryCoreApi::fetchAllPluginParameters('module', 'rating');
if ($ret) {
return array($ret, null);
}
list ($ret, $query, $data) = GalleryCoreApi::buildItemQuery(
'RatingCacheMap', 'itemId', '[RatingCacheMap::averageRating] >= ?',
$params['orderBy'], $params['orderDirection'], null, 'core.view', false, $userId);
if ($ret) {
return array($ret, null);
}
if (empty($query)) {
return array(null, array());
}
array_unshift($data, (int)(1000 * (float)$limit));
list ($ret, $searchResults) = $gallery->search($query, $data);
if ($ret) {
return array($ret, null);
}
$itemIds = array();
while ($result = $searchResults->nextResult()) {
$itemIds[] = $result[0];
}
return array(null, $itemIds);
}
/**
* @see GalleryView::getViewDescription
*/
function getViewDescription() {
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'rating');
if ($ret) {
return array($ret, null);
}
return array(null, $module->translate('rating album'));
}
}
?>
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