package WebGUI::Macro::RandomImagePath;

#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2004 Plain Black Corporation.
#-------------------------------------------------------------------
# Please read the legal notices (docs/legal.txt) and the license
# (docs/license.txt) that came with this distribution before using
# this software.
#-------------------------------------------------------------------
# http://www.plainblack.com                     info@plainblack.com
#-------------------------------------------------------------------

use strict;
use Tie::CPHash;
use WebGUI::Collateral;
use WebGUI::Macro;
use WebGUI::Session;
use WebGUI::SQL;

#-------------------------------------------------------------------
sub process 
{
	my @param = WebGUI::Macro::getParams($_[0]);
	my $collateralFolderId = 0;
	my $querystring = '';
	
	if ($param[0] ne "") 
	{
		($collateralFolderId) = WebGUI::SQL->quickArray("select collateralFolderId from collateralFolder where name =".quote($param[0]),WebGUI::SQL->getSlave);
		$collateralFolderId = 0 unless ($collateralFolderId);
	}
		
	my @images = WebGUI::SQL->buildArray("select collateralId from collateral where collateralType = 'image' and collateralFolderId=".quote($collateralFolderId),WebGUI::SQL->getSlave);
	if (my $collateral = WebGUI::Collateral->new($images[rand($#images+1)])) 
	{
	        return $collateral->getURL;
	} 
	else { return undef; }
}


1;