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<?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
	 * @link http://elgg.org/
	 */

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

	// Get input data
		$title = get_input('blogtitle');
		$body = get_input('blogbody');
		$tags = get_input('blogtags');

	// Cache to the session
		$_SESSION['blogtitle'] = $title;
		$_SESSION['blogbody'] = $body;
		$_SESSION['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("mod/blog/add.php");
			
	// Otherwise, save the blog post 
		} else {
			
	// 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 = $_SESSION['user']->getGUID();
	// For now, set its access to public (we'll add an access dropdown shortly)
			$blog->access_id = 2;
	// Set its title and description appropriately
			$blog->title = $title;
			$blog->description = $body;
	// Before we can set metadata, we need to save the blog post
			if (!$blog->save()) {
				register_error(elgg_echo("blog:error"));
				forward("mod/blog/add.php");
			}
	// Now let's add tags. We can pass an array directly to the object property! Easy.
			if (is_array($tagarray)) {
				$blog->tags = $tagarray;
			}
	// Success message
			system_message(elgg_echo("blog:posted"));
	// Remove the blog post cache
			unset($_SESSION['blogtitle']); unset($_SESSION['blogbody']); unset($_SESSION['blogtags']);
	// Forward to the main blog page
			forward("mod/blog/?username=" . $_SESSION['user']->username);
				
		}
		
?>