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<?php
/**
* Elgg file delete
*
* @package ElggFile
* @author Curverider Ltd
* @copyright Curverider Ltd 2008
* @link http://elgg.com/
*/
//if not logged in, see world pictures instead
if (!isloggedin()) forward('pg/photos/world');
$guid = (int) get_input('file');
$forward_url = 'pg/photos/world'; //forward to world pictures if there is an unknown error
if ($photoObject = get_entity($guid)) {
if ($photoObject->canEdit()) {
$subtype = $photoObject->getSubtype();
$container = get_entity($photoObject->container_guid);
if ($subtype!='image' && $subtype!='album') forward(get_input('forward_url', $_SERVER['HTTP_REFERER'])); //back off if not an album or image
if ($subtype == 'image') { //deleting an image
$forward_url = $container->getURL(); //forward back to album after deleting pictures
$images = array($photoObject);
} else { //deleting an album
$forward_url = 'pg/photos/owned/' . $container->username;
$images = get_entities("object","image", $guid, '', 999); //get all the images from this album, or the image requested
} //end of subtype comparison
//loop through all images and delete them
foreach($images as $im) {
$thumbnail = $im->thumbnail;
$smallthumb = $im->smallthumb;
$largethumb = $im->largethumb;
if ($thumbnail) { //delete standard thumbnail image
$delfile = new ElggFile();
$delfile->owner_guid = $im->getOwner();
$delfile->setFilename($thumbnail);
$delfile->delete();
}
if ($smallthumb) { //delete small thumbnail image
$delfile = new ElggFile();
$delfile->owner_guid = $im->getOwner();
$delfile->setFilename($smallthumb);
$delfile->delete();
}
if ($largethumb) { //delete large thumbnail image
$delfile = new ElggFile();
$delfile->owner_guid = $im->getOwner();
$delfile->setFilename($largethumb);
$delfile->delete();
}
if ($im) { //delete actual image file
$delfile = new ElggFile($im->getGUID());
$delfile->owner_guid = $im->getOwner();
//$delfile->setFilename($im->originalfilename);
if (!$delfile->delete()) {
if ($subtype=='image') register_error(elgg_echo("file:deletefailed")); //unable to delete object
} else {
if ($subtype=='image') system_message(elgg_echo("file:deleted")); //successfully deleted object
}
} //end delete actual image file
} //end looping through each image to delete it
//now that all images have been deleted, delete the album
if ($subtype=='album') {
//delete the album's directory manually; first create a temp file to get the directory path
$tmpfile = new ElggFile();
$tmpfile->setFilename('image/' . $guid . '/._tmp_del_tidypics_album_');
$tmpfile->subtype = 'image';
$tmpfile->container_guid = $guid;
$tmpfile->open("write");
$tmpfile->write('');
$tmpfile->close();
$tmpfile->save();
$albumdir = eregi_replace('/._tmp_del_tidypics_album_', '', $tmpfile->getFilenameOnFilestore());
$tmpfile->delete();
if (is_dir($albumdir))
rmdir($albumdir);
//delete object from database
if (!$photoObject->delete()) {
register_error(elgg_echo("file:deletefailed")); //unable to delete object
} else {
system_message(elgg_echo("file:deleted")); //successfully deleted object
}
} //end of delete album
} else { //user does not have permissions to delete this image or album
$container = $_SESSION['user'];
register_error(elgg_echo("file:deletefailed"));
} //end of canEdit() comparison
} else { // unable to get Elgg entity
register_error(elgg_echo("file:deletefailed"));
} //end of get_entitty()
forward($forward_url);
?>
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