From 4e0c1576475390faa2f1fb4c4dc2902a953f440e Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Wed, 25 Feb 2009 12:16:53 +0000
Subject: First commit

---
 actions/delete.php | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 actions/delete.php

(limited to 'actions/delete.php')

diff --git a/actions/delete.php b/actions/delete.php
new file mode 100644
index 000000000..6b8789fb4
--- /dev/null
+++ b/actions/delete.php
@@ -0,0 +1,105 @@
+<?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);
+
+?>
\ No newline at end of file
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