<?php

	/**
	 * Elgg blog: add post 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 2008-2010
	 * @link http://elgg.org/
	 */

	// Make sure we're logged in (send us to the front page if not)
		gatekeeper();

	// Get input data
		$title = get_input('blogtitle');
		$body = get_input('blogbody');
		$tags = get_input('blogtags');
		$access = get_input('access_id');
		$comments_on = get_input('comments_select','Off');

	// Cache to the session
		$_SESSION['user']->blogtitle = $title;
		$_SESSION['user']->blogbody = $body;
		$_SESSION['user']->blogtags = $tags;
		
	// Convert string of tags into a preformatted array
		$tagarray = string_to_tag_array($tags);
		
	// Make sure the title / description aren't blank
		if (empty($title) || empty($body)) {
			register_error(elgg_echo("blog:blank"));
			forward($_SERVER['HTTP_REFERER']);
		}

	
	// Initialise a new ElggObject
		$blog = new ElggObject();
	// Tell the system it's a blog post
		$blog->subtype = "blog";
	// Set its owner to the current user
		$blog->owner_guid = get_loggedin_userid();
	// Set it's container
		$blog->container_guid = (int)get_input('container_guid', get_loggedin_userid());
	// For now, set its access
		$blog->access_id = $access;
	// Set its title and description appropriately
		$blog->title = $title;
		$blog->description = $body;
	// Now let's add tags. We can pass an array directly to the object property! Easy.
		if (is_array($tagarray)) {
			$blog->tags = $tagarray;
		}
	//whether the user wants to allow comments or not on the blog post
		$blog->comments_on = $comments_on;
		
	// Now save the object
		if (!$blog->save()) {
			register_error(elgg_echo("blog:error"));
			forward($_SERVER['HTTP_REFERER']);
		}

	// Success message
		system_message(elgg_echo("blog:posted"));
	// add to river
		add_to_river('river/object/blog/create', 'create', get_loggedin_userid(), $blog->guid);
	// Remove the blog post cache
		//unset($_SESSION['blogtitle']); unset($_SESSION['blogbody']); unset($_SESSION['blogtags']);
		remove_metadata($_SESSION['user']->guid,'blogtitle');
		remove_metadata($_SESSION['user']->guid,'blogbody');
		remove_metadata($_SESSION['user']->guid,'blogtags');
			
	// Forward to the main blog page
		$page_owner = get_entity($blog->container_guid);
		if ($page_owner instanceof ElggUser) {
			$username = $page_owner->username;
		} else if ($page_owner instanceof ElggGroup) {
			$username = "group:" . $page_owner->guid;
		}
		
		forward("pg/blog/$username");
		
?>