nextcloud/apps/gallery/lib/hooks_handlers.php

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<?php
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/**
* ownCloud - gallery application
*
* @author Bartek Przybylski
* @copyright 2012 Bartek Przybylski bart.p.pl@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_post_write, "OC_Gallery_Hooks_Handlers", "addPhotoFromPath");
OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_delete, "OC_Gallery_Hooks_Handlers", "removePhoto");
//OCP\Util::connectHook(OC_Filesystem::CLASSNAME, OC_Filesystem::signal_post_rename, "OC_Gallery_Hooks_Handlers", "renamePhoto");
require_once(OC::$CLASSPATH['OC_Gallery_Album']);
require_once(OC::$CLASSPATH['OC_Gallery_Photo']);
class OC_Gallery_Hooks_Handlers {
private static $APP_TAG = "Gallery";
private static function isPhoto($filename) {
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$ext = strtolower(substr($filename, strrpos($filename, '.')+1));
return $ext=='png' || $ext=='jpeg' || $ext=='jpg' || $ext=='gif';
}
private static function directoryContainsPhotos($dirpath) {
$dirhandle = OC_Filesystem::opendir($dirpath.'/');
if ($dirhandle != FALSE) {
while (($filename = readdir($dirhandle)) != FALSE) {
if ($filename[0] == '.') continue;
if (self::isPhoto($dirpath.'/'.$filename)) return true;
}
}
return false;
}
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private static function createAlbum($path) {
$new_album_name = trim(str_replace('/', '.', $path), '.');
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if ($new_album_name == '')
$new_album_name = 'main';
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OCP\Util::writeLog(self::$APP_TAG, 'Creating new album '.$new_album_name, OCP\Util::DEBUG);
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OC_Gallery_Album::create(OCP\USER::getUser(), $new_album_name, $path);
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return OC_Gallery_Album::find(OCP\USER::getUser(), null, $path);
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}
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public static function pathInRoot($path) {
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$root = OCP\Config::getUserValue(OCP\USER::getUser(), 'gallery', 'root', '/');
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return substr($path, 0, strlen($path)>strlen($root)?strlen($root):strlen($path)) == $root;
}
public static function addPhotoFromPath($params) {
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$fullpath = $params[OC_Filesystem::signal_param_path];
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$fullpath = rtrim(dirname($fullpath),'/').'/'.basename($fullpath);
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if (!self::isPhoto($fullpath)) return;
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$a = OC_Gallery_Album::find(OCP\USER::getUser(), null, dirname($fullpath));
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if (!($r = $a->fetchRow())) {
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OC_Gallery_Album::create(OCP\USER::getUser(), basename(dirname($fullpath)), dirname($fullpath));
$a = OC_Gallery_Album::find(OCP\USER::getUser(), null, dirname($fullpath));
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$r = $a->fetchRow();
}
$albumId = $r['album_id'];
$p = OC_Gallery_Album::find($albumId, $fullpath);
if (!($p->fetchRow()))
OC_Gallery_Photo::create($albumId, $fullpath);
}
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public static function removePhoto($params) {
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$fullpath = $params[OC_Filesystem::signal_param_path];
$fullpath = rtrim(dirname($fullpath),'/').'/'.basename($fullpath);
if (OC_Filesystem::is_dir($fullpath)) {
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OC_Gallery_Album::remove(OCP\USER::getUser(), null, $fullpath);
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} elseif (self::isPhoto($fullpath)) {
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$a = OC_Gallery_Album::find(OCP\USER::getUser(), null, rtrim(dirname($fullpath),'/'));
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if (($r = $a->fetchRow())) {
OC_Gallery_Photo::removeByPath($fullpath, $r['album_id']);
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$p = OC_Gallery_Photo::findForAlbum(OCP\USER::getUser(), $r['album_name']);
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if (!($p->fetchRow())) {
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OC_Gallery_Album::remove(OCP\USER::getUser(), null, dirname($fullpath));
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}
}
}
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}
public static function renamePhoto($params) {
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$oldpath = $params[OC_Filesystem::signal_param_oldpath];
$newpath = $params[OC_Filesystem::signal_param_newpath];
if (OC_Filesystem::is_dir($newpath.'/') && self::directoryContainsPhotos($newpath)) {
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OC_Gallery_Album::changePath($oldpath, $newpath, OCP\USER::getUser());
} elseif (self::isPhoto($newpath)) {
$olddir = dirname($oldpath);
$newdir = dirname($newpath);
if ($olddir == '') $olddir = '/';
if ($newdir == '') $newdir = '/';
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if (!self::isPhoto($newpath)) return;
OCP\Util::writeLog(self::$APP_TAG, 'Moving photo from '.$oldpath.' to '.$newpath, OCP\Util::DEBUG);
$album;
$newAlbumId;
$oldAlbumId;
if ($olddir == $newdir) {
// album changing is not needed
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$albums = OC_Gallery_Album::find(OCP\USER::getUser(), null, $olddir);
$album = $albums->fetchRow();
if (!$album) {
$albums = self::createAlbum($newdir);
$album = $albums->fetchRow();
}
$newAlbumId = $oldAlbumId = $album['album_id'];
} else {
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$newalbum = OC_Gallery_Album::find(OCP\USER::getUser(), null, $newdir);
$oldalbum = OC_Gallery_Album::find(OCP\USER::getUser(), null, $olddir);
if (!($newalbum = $newalbum->fetchRow())) {
$newalbum = self::createAlbum($newdir);
$newalbum = $newalbum->fetchRow();
}
$oldalbum = $oldalbum->fetchRow();
if (!$oldalbum) {
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OC_Gallery_Photo::create($newalbum['album_id'], $newpath);
return;
}
$newAlbumId = $newalbum['album_id'];
$oldAlbumId = $oldalbum['album_id'];
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}
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OC_Gallery_Photo::changePath($oldAlbumId, $newAlbumId, $oldpath, $newpath);
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}
}
}
?>