<?php

	/**
	 * Elgg album: edit album action
	 * 
	 * @package ElggBlog
	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
	 * @author Curverider Ltd <info@elgg.com>
	 * @copyright Curverider Ltd 2008
	 * @link http://elgg.org/
	 */
	 
	// Make sure we're logged in (send us to the front page if not)
		if (!isloggedin()) forward();

	// Get input data
		$guid = (int) get_input('albumpost');
		$title = get_input('albumtitle');
		$body = get_input('albumbody');
		$access = get_input('access_id');
		$tags = get_input('albumtags');
		$back_url = 'mod/tidypics/edit.php?file_guid=' . $guid;
		
	// Make sure we actually have permission to edit
		$album = get_entity($guid);
		if ($album->canEdit()) 
		{
	
		  // Cache to the session
			$_SESSION['albumtitle'] = $title;
			$_SESSION['albumbody'] = $body;
			$_SESSION['albumtags'] = $tags;
			
		  // Convert string of tags into a preformatted array
			$tagarray = string_to_tag_array($tags);
							
		  // Get owning user
			$owner = get_entity($album->getOwner());
				
		  // edit access only if access is different from current
		
			if($album->access_id != $access)
			{
				$album->access_id = $access;
	
				//get images from album and update access on image entities
				$images = get_entities("object","image", $guid, '', 999, '', false);
				foreach($images as $im){
					$im->access_id = $access;
					$im->save();
					//new core updates all metadata access as well!
				}
			}


		// Set its title and description appropriately
				$album->title = $title;
				$album->description = $body;

		// Before we can set metadata, we need to save the image
				if (!$album->save()) {
					register_error(elgg_echo("album:error"));
					$album->delete();
					forward(get_input('forward_url', $_SERVER['HTTP_REFERER'])); //failed, so forward to previous page
				}

		// Now let's add tags. We can pass an array directly to the object property! Easy.
				$album->clearMetadata('tags');
				if (is_array($tagarray)) {
					$album->tags = $tagarray;
				}
				
		//if cover meta is sent from image save as metadata
				if(get_input('cover') == elgg_echo('album:cover:yes')){
					$container = get_entity($album->container_guid);	
					$container->cover = $album->guid;
				}
				
		// Success message
				system_message(elgg_echo("album:edited"));
		
		// Remove the image cache
				unset($_SESSION['albumtitle']); 
				unset($_SESSION['albumbody']); 
				unset($_SESSION['albumtags']);	
		
		// Forward to the main blog page
				forward($album->getURL());

		}		
?>