<?php
/**
 * @brief		4.0.0 RC 1 Upgrade Code
 *
 * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
 *
 * @package		IPS Social Suite
 * @subpackage	Board
 * @since		3 Feb 2015
 * @version		SVN_VERSION_NUMBER
 */

namespace IPS\forums\setup\upg_100011;

/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
	exit;
}

/**
 * 4.0.0 RC 1 Upgrade Code
 */
class _Upgrade
{
	/**
	 * Step 1
	 * Rebuild last poster data and queued counts
	 *
	 * @return	array	If returns TRUE, upgrader will proceed to next step. If it returns any other value, it will set this as the value of the 'extra' GET parameter and rerun this step (useful for loops)
	 */
	public function step1()
	{
		$perCycle	= 50;
		$did		= 0;
		$limit		= intval( \IPS\Request::i()->extra );

		/* Try to prevent timeouts to the extent possible */
		$cutOff			= \IPS\core\Setup\Upgrade::determineCutoff();

		foreach( \IPS\Db::i()->select( '*', 'forums_forums', NULL, 'id ASC', array( $limit, $perCycle ) ) as $forum )
		{
			if( $cutOff !== null AND time() >= $cutOff )
			{
				return ( $limit + $did );
			}
			
			$did++;
			
			$forum = \IPS\forums\Forum::constructFromData( $forum );
			$forum->setLastComment();

			$forum->queued_topics = \IPS\Db::i()->select( 'COUNT(*)', 'forums_topics', array( 'forum_id=? AND approved=0', $forum->id ) )->first();
			$forum->queued_posts = \IPS\Db::i()->select( 'COUNT(*)', 'forums_posts', array( 'forums_topics.forum_id=? AND forums_posts.queued=1', $forum->id ) )->join( 'forums_topics', 'forums_topics.tid=forums_posts.topic_id' )->first();
			$forum->save();
		}

		if( $did )
		{
			return ( $limit + $did );
		}
		else
		{
			unset( $_SESSION['_step1Count'] );
			return TRUE;
		}
	}

	/**
	 * Custom title for this step
	 *
	 * @return string
	 */
	public function step1CustomTitle()
	{
		$limit = isset( \IPS\Request::i()->extra ) ? \IPS\Request::i()->extra : 0;

		if( !isset( $_SESSION['_step1Count'] ) )
		{
			$_SESSION['_step1Count'] = \IPS\Db::i()->select( 'COUNT(*)', 'forums_forums' )->first();
		}

		return "Rebuilding last poster data for forums (Upgraded so far: " . ( ( $limit > $_SESSION['_step1Count'] ) ? $_SESSION['_step1Count'] : $limit ) . ' out of ' . $_SESSION['_step1Count'] . ')';
	}
}
