380 lines
10 KiB
Plaintext
380 lines
10 KiB
Plaintext
<?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.
|
|
*/
|
|
|
|
/**
|
|
* Utility functions useful in managing GalleryComments
|
|
*
|
|
* @package Comment
|
|
* @subpackage Classes
|
|
* @author Bharat Mediratta <bharat@menalto.com>
|
|
* @version $Revision: 15513 $
|
|
* @static
|
|
*/
|
|
class GalleryCommentHelper /* implements GalleryEventListener */ {
|
|
|
|
/**
|
|
* Return the comments associated with the given item
|
|
*
|
|
* @param int $itemId GalleryItem id
|
|
* @param int $count (optional) max number to retrieve
|
|
* @param string $orderDirection (optional) ORDER_DESCENDING to list newest first
|
|
* @return array (object GalleryStatus a status code,
|
|
* array (entityId => GalleryComment, ...)
|
|
*/
|
|
function fetchComments($itemId, $count=null, $orderDirection=ORDER_ASCENDING) {
|
|
global $gallery;
|
|
|
|
switch($orderDirection) {
|
|
case ORDER_ASCENDING:
|
|
$direction = 'ASC';
|
|
break;
|
|
|
|
case ORDER_DESCENDING:
|
|
$direction = 'DESC';
|
|
break;
|
|
|
|
default:
|
|
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER), null);
|
|
}
|
|
|
|
$query = '
|
|
SELECT
|
|
[GalleryComment::id]
|
|
FROM
|
|
[GalleryComment], [GalleryChildEntity]
|
|
WHERE
|
|
[GalleryChildEntity::parentId] = ?
|
|
AND
|
|
[GalleryChildEntity::id] = [GalleryComment::id]
|
|
ORDER BY
|
|
[GalleryComment::date] ' . $direction . '
|
|
';
|
|
list ($ret, $searchResults) =
|
|
$gallery->search($query, array((int)$itemId),
|
|
array('limit' => array('count' => (int)$count)));
|
|
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
/* Get all of our ids */
|
|
$allIds = array();
|
|
while ($result = $searchResults->nextResult()) {
|
|
$allIds[] = (int)$result[0];
|
|
}
|
|
|
|
/* Load all the comments at once */
|
|
$comments = array();
|
|
if (!empty($allIds)) {
|
|
list ($ret, $comments) = GalleryCoreApi::loadEntitiesById($allIds);
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
}
|
|
|
|
return array(null, $comments);
|
|
}
|
|
|
|
/**
|
|
* Return all comments in subtree under given item, with comment.view permission
|
|
*
|
|
* @param array $itemId int GalleryItem id
|
|
* @param int $count (optional) max number to retrieve
|
|
* @param int $offset (optional) start of the range
|
|
* @param string $orderDirection (optional) ORDER_DESCENDING to list newest first
|
|
* @return array (object GalleryStatus a status code,
|
|
* array (entityId => GalleryComment, ...)
|
|
* int total number of comments available
|
|
*/
|
|
function fetchAllComments($itemId, $count=null, $offset=null, $orderDirection=ORDER_ASCENDING) {
|
|
global $gallery;
|
|
|
|
switch($orderDirection) {
|
|
case ORDER_ASCENDING:
|
|
$direction = 'ASC';
|
|
break;
|
|
|
|
case ORDER_DESCENDING:
|
|
$direction = 'DESC';
|
|
break;
|
|
|
|
default:
|
|
return array(GalleryCoreApi::error(ERROR_BAD_PARAMETER),
|
|
null, null);
|
|
}
|
|
|
|
list ($ret, $sequence) = GalleryCoreApi::fetchParentSequence($itemId);
|
|
if ($ret) {
|
|
return array($ret, null, null);
|
|
}
|
|
$sequence = implode('/', $sequence);
|
|
if (!empty($sequence)) {
|
|
$sequence .= '/';
|
|
}
|
|
$sequence .= $itemId . '/%';
|
|
|
|
list ($ret, $aclIds) =
|
|
GalleryCoreApi::fetchAccessListIds('comment.view', $gallery->getActiveUserId());
|
|
if ($ret) {
|
|
return array($ret, null, null);
|
|
}
|
|
$aclMarkers = GalleryUtilities::makeMarkers(count($aclIds));
|
|
|
|
if (empty($aclIds)) {
|
|
return array(null, array(), 0);
|
|
}
|
|
|
|
$queryBase = '
|
|
FROM
|
|
[GalleryItemAttributesMap], [GalleryAccessSubscriberMap],
|
|
[GalleryChildEntity], [GalleryComment]
|
|
WHERE
|
|
([GalleryItemAttributesMap::itemId] = ?
|
|
OR
|
|
[GalleryItemAttributesMap::parentSequence] LIKE ?)
|
|
AND
|
|
[GalleryAccessSubscriberMap::itemId] = [GalleryItemAttributesMap::itemId]
|
|
AND
|
|
[GalleryAccessSubscriberMap::accessListId] IN (' . $aclMarkers . ')
|
|
AND
|
|
[GalleryChildEntity::parentId] = [GalleryItemAttributesMap::itemId]
|
|
AND
|
|
[GalleryComment::id] = [GalleryChildEntity::id]
|
|
';
|
|
$query = '
|
|
SELECT
|
|
[GalleryComment::id] ' . $queryBase . '
|
|
ORDER BY
|
|
[GalleryComment::date] ' . $direction . '
|
|
';
|
|
$data = array_merge(array((int)$itemId, $sequence), $aclIds);
|
|
|
|
list ($ret, $searchResults) =
|
|
$gallery->search($query, $data, array('limit' => array('count' => (int)$count,
|
|
'offset' => (int)$offset)));
|
|
if ($ret) {
|
|
return array($ret, null, null);
|
|
}
|
|
|
|
/* Get all of our ids */
|
|
$allIds = array();
|
|
while ($result = $searchResults->nextResult()) {
|
|
$allIds[] = (int)$result[0];
|
|
}
|
|
|
|
/* Load all the comments at once */
|
|
$comments = array();
|
|
if (!empty($allIds)) {
|
|
list ($ret, $comments) = GalleryCoreApi::loadEntitiesById($allIds);
|
|
if ($ret) {
|
|
return array($ret, null, null);
|
|
}
|
|
}
|
|
|
|
/* Get total count of comments */
|
|
if (!$count && !$offset) {
|
|
$totalCount = count($allIds);
|
|
} else {
|
|
$query = '
|
|
SELECT
|
|
COUNT([GalleryComment::id]) ' . $queryBase;
|
|
list ($ret, $searchResults) = $gallery->search($query, $data);
|
|
if ($ret) {
|
|
return array($ret, null, null);
|
|
}
|
|
if ($result = $searchResults->nextResult()) {
|
|
$totalCount = (int)$result[0];
|
|
} else {
|
|
$totalCount = count($allIds);
|
|
}
|
|
}
|
|
|
|
return array(null, $comments, $totalCount);
|
|
}
|
|
|
|
/**
|
|
* Return the number of comments associated with the given item ids
|
|
*
|
|
* @param array $itemIds int GalleryItem ids
|
|
* @return array object GalleryStatus a status code
|
|
* int a count
|
|
*/
|
|
function fetchCommentCounts($itemIds) {
|
|
global $gallery;
|
|
|
|
$markers = GalleryUtilities::makeMarkers(sizeof($itemIds));
|
|
$query = '
|
|
SELECT
|
|
[GalleryChildEntity::parentId],
|
|
COUNT([GalleryComment::id])
|
|
FROM
|
|
[GalleryComment], [GalleryChildEntity]
|
|
WHERE
|
|
[GalleryChildEntity::parentId] IN (' . $markers . ')
|
|
AND
|
|
[GalleryChildEntity::id] = [GalleryComment::id]
|
|
GROUP BY
|
|
[GalleryChildEntity::parentId]
|
|
';
|
|
|
|
list ($ret, $searchResults) = $gallery->search($query, $itemIds);
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
$data = array();
|
|
while ($result = $searchResults->nextResult()) {
|
|
$data[$result[0]] = (int)$result[1];
|
|
}
|
|
|
|
return array(null, $data);
|
|
}
|
|
|
|
/**
|
|
* Get information needed for the AddComment page
|
|
*
|
|
* @param object GalleryItem $item to work from
|
|
* @param array $form form being modified
|
|
* @return array object GalleryStatus a status code
|
|
* array values used for the AddComment page (itemId, host, validation plugins)
|
|
*/
|
|
function getAddComment(&$item, &$form) {
|
|
/* Make sure we have permission to add a comment */
|
|
$ret = GalleryCoreApi::assertHasItemPermission($item->getId(), 'comment.add');
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
if ($form['formName'] != 'AddComment') {
|
|
$form['formName'] = 'AddComment';
|
|
$form['subject'] = $form['comment'] = $form['author'] = '';
|
|
} else {
|
|
foreach (array('subject', 'comment', 'author') as $key) {
|
|
if (empty($form[$key])) {
|
|
$form[$key] = '';
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Check if we should use validation plugins for new comments */
|
|
$plugins = array();
|
|
list ($ret, $useValidationPlugins) = GalleryCommentHelper::useValidationPlugins();
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
} else if ($useValidationPlugins) {
|
|
list ($ret, $allPluginIds) =
|
|
GalleryCoreApi::getAllFactoryImplementationIds('GalleryValidationPlugin');
|
|
if ( $ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
/* Let each plugin load its template data */
|
|
foreach (array_keys($allPluginIds) as $pluginId) {
|
|
list ($ret, $plugin) =
|
|
GalleryCoreApi::newFactoryInstanceById('GalleryValidationPlugin', $pluginId);
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
list ($ret, $data['file'], $data['l10Domain']) = $plugin->loadTemplate($form);
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
} else if (isset($data['file'])) {
|
|
$plugins[] = $data;
|
|
}
|
|
}
|
|
}
|
|
|
|
$AddComment = array('itemId' => $item->getId(),
|
|
'host' => GalleryUtilities::getRemoteHostAddress(),
|
|
'plugins' => $plugins);
|
|
|
|
return array(null, $AddComment);
|
|
}
|
|
|
|
/**
|
|
* Determine if we should use validation plugins for new comments.
|
|
*
|
|
* @return array object GalleryStatus a status code
|
|
* boolean true to use validation plugins
|
|
*/
|
|
function useValidationPlugins() {
|
|
list ($ret, $level) =
|
|
GalleryCoreApi::getPluginParameter('module', 'comment', 'validation.level');
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
if ($level == 'OFF') {
|
|
return array(null, false);
|
|
}
|
|
|
|
list ($ret, $isAnonymous) = GalleryCoreApi::isAnonymousUser();
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
return array(null, $isAnonymous);
|
|
}
|
|
|
|
/**
|
|
* Event handler for GalleryEntity::delete
|
|
*
|
|
* Delete all comments by a user
|
|
* (Item deletion and their attached comments is already handled in GalleryItem::delete)
|
|
*
|
|
* @see GalleryEventListener::handleEvent
|
|
*/
|
|
function handleEvent($event) {
|
|
global $gallery;
|
|
|
|
switch ($event->getEventName()) {
|
|
case 'GalleryEntity::delete':
|
|
$entity = $event->getEntity();
|
|
if (!GalleryUtilities::isA($entity, 'GalleryUser')) {
|
|
return array(null, null);
|
|
}
|
|
|
|
/* Delete all comments owned by this user */
|
|
$query = '
|
|
SELECT
|
|
[GalleryComment::id]
|
|
FROM
|
|
[GalleryComment]
|
|
WHERE
|
|
[GalleryComment::commenterId] = ?
|
|
';
|
|
|
|
list ($ret, $searchResults) = $gallery->search($query, array((int)$entity->getId()));
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
|
|
while ($result = $searchResults->nextResult()) {
|
|
$ret = GalleryCoreApi::deleteEntityById((int)$result[0]);
|
|
if ($ret) {
|
|
return array($ret, null);
|
|
}
|
|
}
|
|
}
|
|
|
|
return array(null, null);
|
|
}
|
|
}
|
|
?>
|