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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.
*/
/**
* Provides item rating mechanism for Gallery2
* @package Rating
* @author Don Seiler <don@seiler.us>
* @version $Revision: 16034 $
*/
class RatingModule extends GalleryModule {
function RatingModule() {
global $gallery;
$this->setId('rating');
$this->setName($gallery->i18n('Rating'));
$this->setDescription($gallery->i18n('Item Rating Interface'));
$this->setVersion('1.0.8'); /* Update upgrade() too */
$this->setCallbacks('getSiteAdminViews|getItemSummaries|registerEventListeners');
$this->setGroup('data', $gallery->i18n('Extra Data'));
$this->setRequiredCoreApi(array(7, 10));
$this->setRequiredModuleApi(array(3, 3));
}
/**
* @see GalleryModule::registerEventListeners
*/
function registerEventListeners() {
GalleryCoreApi::registerEventListener('GalleryEntity::delete', new RatingModule());
}
/**
* @see GalleryModule::performFactoryRegistrations
*/
function performFactoryRegistrations() {
$ret = GalleryCoreApi::registerFactoryImplementation('ItemEditOption', 'RatingItemEdit',
'RatingItemEdit', 'modules/rating/RatingItemEdit.inc', 'rating',
array('ItemEditAlbum'));
if ($ret) {
return $ret;
}
$ret = GalleryCoreApi::registerFactoryImplementation('GallerySortInterface_1_2',
'RatingSortOrder', 'RatingSortOrder',
'modules/rating/classes/RatingSortOrder.class', 'rating', null);
if ($ret) {
return $ret;
}
return null;
}
/**
* @see GalleryModule::getItemSummaries
*/
function getItemSummaries($items, $permissions, &$template) {
global $gallery;
$itemIds = array();
$enabledAlbums = array();
$numEnabledAlbums = 0;
foreach ($items as $item) {
$itemIds[] = $item->getId();
$parentId = $item->getParentId();
if (isset($enabledAlbums[$parentId])) {
continue;
}
list ($ret, $enabled) = GalleryCoreApi::getPluginParameter('module', 'rating',
'enabled', $parentId);
if ($ret) {
return array($ret, null);
}
$enabledAlbums[$parentId] = !empty($enabled);
if ($enabledAlbums[$parentId]) {
$numEnabledAlbums++;
}
}
if (empty($numEnabledAlbums)) {
return array(null, array());
}
/* Load the G2 templating engine */
GalleryCoreApi::requireOnce('modules/rating/classes/RatingHelper.class');
$template->style('modules/rating/rating.css');
$template->javascript('lib/yui/yahoo-min.js');
$template->javascript('lib/yui/connection-min.js');
$template->javascript('modules/rating/rating.js');
$template->setVariable('l10Domain', $this->getL10Domain());
$RatingSummary = array('ratingValues' => array(1, 2, 3, 4, 5), 'firstCall' => true);
/* Check to see if album rating is allowed */
list ($ret, $allowAlbumRating) = GalleryCoreApi::getPluginParameter('module', 'rating',
'allowAlbumRating');
if ($ret) {
return array($ret, null);
}
/* Acquire the current rating for the items (populate $RatingData) */
list ($ret, $RatingData) = RatingHelper::fetchRatings($itemIds,
$gallery->getActiveUserId());
if ($ret) {
return array($ret, null);
}
$summaries = array();
foreach ($items as $item) {
$itemId = $item->getId();
$parentId = $item->getParentId();
/* Check if item's parent album allows rating */
if (!$enabledAlbums[$parentId]) {
continue;
}
/* Check if this user can view rating for this item */
if (!isset($permissions[$itemId]['rating.view'])) {
continue;
}
if (GalleryUtilities::isA($item, 'GalleryAlbumItem') && !$allowAlbumRating) {
continue;
}
$RatingData[$itemId]['canRate'] = isset($permissions[$itemId]['rating.add']);
$template->setVariable('RatingData', $RatingData[$itemId]);
$template->setVariable('RatingSummary', $RatingSummary);
/* Render and get the html */
list ($ret, $summaries[$itemId]) =
$template->fetch('gallery:modules/rating/templates/RatingInterface.tpl');
if ($ret) {
return array($ret, null);
}
$RatingSummary['firstCall'] = false;
}
return array(null, $summaries);
}
/**
* @see GalleryModule::upgrade
*/
function upgrade($currentVersion) {
global $gallery;
if (!isset($currentVersion)) {
$currentVersion = '0';
}
switch ($currentVersion) {
case '0':
list ($ret, $coreParams) = GalleryCoreApi::fetchAllPluginParameters('module', 'core');
if ($ret) {
return $ret;
}
/* Initial install. Register our permissions */
$permissions[] = array('add', $gallery->i18n('[rating] Add ratings'), 0, array());
$permissions[] = array('view', $gallery->i18n('[rating] View ratings'), 0, array());
$permissions[] = array('all', $gallery->i18n('[rating] All access'),
GALLERY_PERMISSION_COMPOSITE, array('rating.add', 'rating.view'));
foreach ($permissions as $p) {
$ret = GalleryCoreApi::registerPermission($this->getId(),
'rating.' . $p[0],
$p[1], $p[2], $p[3]);
if ($ret) {
return $ret;
}
}
/* Give everybody rating permission by default */
$ret = GalleryCoreApi::addGroupPermission(
$coreParams['id.rootAlbum'], $coreParams['id.everybodyGroup'],
'rating.all', true);
if ($ret) {
return $ret;
}
break;
case '1.0.0':
case '1.0.1':
case '1.0.2':
case '1.0.3':
case '1.0.4':
case '1.0.5':
case '1.0.6':
case '1.0.7':
case 'end of upgrade path':
break;
default:
return GalleryCoreApi::error(ERROR_BAD_PLUGIN, __FILE__, __LINE__,
sprintf('Unknown module version %s', $currentVersion));
}
list ($ret, $params) = GalleryCoreApi::fetchAllPluginParameters('module', 'rating');
if ($ret) {
return $ret;
}
foreach (array('allowAlbumRating' => 0, 'themeId' => '', 'orderBy' => 'RatingSortOrder',
'orderDirection' => ORDER_DESCENDING, 'minLimit' => 2, 'description' => '')
as $key => $value) {
if (!isset($params[$key])) {
$this->setParameter($key, $value);
if ($ret) {
return $ret;
}
}
}
if (!isset($params['themeSettingsId'])) {
list ($ret, $entity) =
GalleryCoreApi::newFactoryInstance('GalleryEntity', 'GalleryEntity');
$entity->create();
$ret = $entity->save(false);
if ($ret) {
return $ret;
}
$ret = $this->setParameter('themeSettingsId', $entity->getId());
if ($ret) {
return $ret;
}
}
return null;
}
/**
* @see GalleryModule::getSiteAdminViews
*/
function getSiteAdminViews() {
return array(null, array(array('name' => $this->translate('Rating'),
'view' => 'rating.RatingSiteAdmin')));
}
/**
* @see GalleryModule::getRewriteRules
*/
function getRewriteRules() {
return array(
array('comment' => $this->translate('Rating Album'),
'match' => array('view' => 'rating.RatingAlbum'),
'pattern' => 'rating/%limit%',
'keywords' => array(
'limit' => array('pattern' => '([^?/]+)',
'help' => $this->translate('Rating limit to use for dynamic album')))
));
}
/**
* Event handler for GalleryEntity::delete events
* Delete any item ratings if the associated item is deleted
*
* @see GalleryEventListener::handleEvent
*/
function handleEvent($event) {
$result = null;
if ($event->getEventName() == 'GalleryEntity::delete') {
$entity = $event->getEntity();
if (GalleryUtilities::isA($entity, 'GalleryItem')) {
$ret = GalleryCoreApi::removeMapEntry('RatingMap',
array('itemId' => $entity->getId()));
if ($ret) {
return array($ret, null);
}
$ret = GalleryCoreApi::removeMapEntry('RatingCacheMap',
array('itemId' => $entity->getId()));
if ($ret) {
return array($ret, null);
}
}
}
return array(null, $result);
}
/**
* @see GalleryModule::uninstall
*/
function uninstall() {
$ret = GalleryCoreApi::deleteSortOrder('RatingSortOrder');
if ($ret) {
return $ret;
}
return parent::uninstall();
}
}
?>
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