<?php

/*
+--------------------------------------------------------------------------
|   Invision Power Board
|   =============================================
|   by Matthew Mecham
|   (c) 2001 - 2006 Invision Power Services, Inc.
|   http://www.invisionpower.com
|   =============================================
|   Web: http://www.invisionboard.com
|   Licence Info: http://www.invisionboard.com/?license
+---------------------------------------------------------------------------
|   > $Date: 2006-06-26 22:03:22 -0400 (Wed, 26 July 2006) $
|   > $Revision: 1 $
|   > $Author: w1lz0r $
+---------------------------------------------------------------------------
|
|   > API: Blog
|   > Module written by Remco Wilting
|   > Date started: Wednesday July 26th 2006 (21:22)
|
+--------------------------------------------------------------------------
*/

/**
* API: Blog
*
* EXAMPLE USAGE
* <code>
* $api =  new api_blog();
* # Optional - if $ipsclass is not passed, it'll init
* $api->ipsclass =& $this->ipsclass;
* $api->api_init();
* $api->get_blog_id( $member_id );
* $api->last_x_entries( $blog_id, $number_of_entries );
* </code>
*
*
* @package		InvisionPowerBoard
* @subpackage	APIs
* @author		Matt Mecham
* @copyright	Invision Power Services, Inc.
* @version		2.1
*/

if ( ! defined( 'IPS_API_PATH' ) )
{
	/**
	* Define classes path
	*/
	define( 'IPS_API_PATH', dirname(__FILE__) ? dirname(__FILE__) : '.' );
}

if ( ! defined( 'BLOG_PATH' ) )
{
	define( 'BLOG_PATH', ROOT_PATH.'modules/blog/' );
}

if ( ! class_exists( 'api_core' ) )
{
	require_once( IPS_API_PATH.'/api_core.php' );
}

/**
* API: Blog
*
* This class deals with settings insertion functions
*
* @package		InvisionPowerBoard
* @subpackage	APIs
* @author  	 	Brandon Farber
* @version		2.2
* @since		2.2.0
*/
class api_blog extends api_core
{
	/**
	* IPS Class Object
	*
	* @var object
	*/
	var $blog_std;
		
	/*-------------------------------------------------------------------------*/
	// Retrieve the Blog ID of a member
	/*-------------------------------------------------------------------------*/
	/**
	* Retrieve the Blog ID of a member
	*
	* @param	int		Member ID
	* @return 	int		Blog ID ( 0 if no Blog found )
	*/
	function get_blog_id( $member_id=0 )
	{
		$member_id = intval( $member_id );

		//-----------------------------------------
		// We entered here on member id, find blog_id and redirect them to here
		//-----------------------------------------
		$blog = $this->ipsclass->DB->build_and_exec_query( array ( 'select'	=> 'blog_id, blog_name, blog_friendly_url',
												'from'		=> 'blog_blogs',
												'where'		=> "member_id={$member_id}" ) );
		if ( !$blog['blog_id'] or !$blog['blog_name'] )
		{
			return 0;
   		}
		else
		{
			return $blog['blog_id'];
		}
	}
	
	/*-------------------------------------------------------------------------*/
	// Retrieve the last x entries of a Blog
	/*-------------------------------------------------------------------------*/
	/**
	* Retrieve the last x entries of a Blog
	* Only public publishes entries are returned
	*
	* @param	int		Blog ID
	* @param	int		Number of entries (to return)
	* @return 	array	Array of last X entries
	*/

	function last_x_entries( $blog_id, $number_of_entries=10 )
	{
        //-----------------------------------------
		// Load the Blog functions library
        //-----------------------------------------
		require_once ( BLOG_PATH.'lib/lib_blogfunctions.php' );
		$this->blog_std = new blog_functions;
		$this->blog_std->ipsclass = & $this->ipsclass;

        //-----------------------------------------
		// Build the permissions
        //-----------------------------------------
		$this->blog_std->build_perms();

		if ( $this->ipsclass->check_perms($this->ipsclass->vars['blog_view_perms']) )
		{
			//-----------------------------------------
			// Private Club Authed?
			//-----------------------------------------
			$extra = "";
			$allowguests = "";
			if ( !$this->ipsclass->member['id'] )
			{
				$allowguests .= " AND b.blog_allowguests = 1";
			}
			if ( !$this->ipsclass->member['_blogmod']['moderate_can_view_private'] )
			{
				$levelwhere = array( '(bc.blog_id IS NULL)' );
				if ( $this->ipsclass->member['_cache']['my_blog'] )
				{
					$levelwhere[] = "(b.blog_id = {$this->ipsclass->member['_cache']['my_blog']})";
				}
				if ( $this->ipsclass->member['_cache']['my_blog'] )
				{
					$levelwhere[] = "(bc.category_type = 'private' AND bc.blog_id={$this->ipsclass->member['_cache']['my_blog']})";
				}
				if ( is_array($this->ipsclass->member['g_blog_authed_blogs']) && count($this->ipsclass->member['g_blog_authed_blogs'])>1 )
				{
					$authblogs = implode(",", $this->ipsclass->member['g_blog_authed_blogs']);
					$levelwhere[] = "(bc.category_type = 'privateclub' AND bc.blog_id in(".$authblogs."))";
					$levelwhere[] = "(bc.category_type = 'public')";
				}
				else
				{
					$authblogs = "";
					$levelwhere[] = "(bc.category_type = 'public')";
				}
				$extra = "b.blog_private=0";
				if ($authblogs)
				{
					$extra = "(".$extra." or b.blog_id in(".$authblogs.($this->ipsclass->member['_cache']['my_blog']?",".$this->ipsclass->member['_cache']['my_blog']:"")."))";
				}
				elseif ( $this->ipsclass->member['_cache']['my_blog'] )
				{
					$extra = "(".$extra." or b.blog_id = {$this->ipsclass->member['_cache']['my_blog']})";
				}
				$extra = " AND ".$extra;
				$leveljoin = " AND (".implode( " or ", $levelwhere ).")";
			}

			$this->ipsclass->DB->build_query( array( 'select'	=> "e.*",
								          'from'	=> array('blog_entries' => 'e'),
							              'add_join'=> array( 0 => array( 'select' => 'b.blog_name, b.blog_friendly_url',
							              								  'from'   => array( 'blog_blogs' => 'b' ),
														                  'where'  => "e.blog_id=b.blog_id",
														                  'type'   => 'left'
																		),
															  1 => array( 'from'   => array( 'blog_categories' => 'bc' ),
														                  'where'  => "e.blog_id=bc.blog_id and e.category_id=bc.category_id",
														                  'type'   => 'left'
															)			),
	            						  'where'	=> "b.blog_id = ".intval($blog_id)." AND e.entry_status='published' ".$allowguests.$extra.$leveljoin,
	            						  'order'	=> 'e.entry_date DESC',
	            						  'limit'	=> array(0, intval($number_of_entries) )
							     )		);
			$this->ipsclass->DB->exec_query();

			$return_array = array();
			while ( $entry = $this->ipsclass->DB->fetch_row() )
			{
				$entry['blog_url'] = $this->blog_std->get_blog_url( $entry['blog_id'], $entry['blog_friendly_url'] );
				$entry['entry_url'] = $entry['blog_url'].'eid='.$entry['entry_id'];
				$return_array[] = $entry;
			}
			return $return_array;
	  	}
		else
		{
			return array();
		}
	}
	
}

?>