<?php
/**
 * @brief		4.0.0 RC 1 Upgrade Code
 * @subpackage	Downloads
 * @since		3 Feb 2015
 */

namespace IPS\downloads\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
	 *
	 * @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( '*', 'downloads_categories', NULL, 'cid ASC', array( $limit, $perCycle ) ) as $category )
		{
			if( $cutOff !== null AND time() >= $cutOff )
			{
				return ( $limit + $did );
			}
			
			$did++;
			
			$category = \IPS\downloads\Category::constructFromData( $category );
			$category->setLastComment();
			$category->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(*)', 'downloads_categories' )->first();
		}

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