66 lines
1.8 KiB
Perl
66 lines
1.8 KiB
Perl
package WebGUI::Macro::RandomAssetProxy;
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#-------------------------------------------------------------------
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# WebGUI is Copyright 2001-2009 Plain Black Corporation.
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#-------------------------------------------------------------------
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# Please read the legal notices (docs/legal.txt) and the license
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# (docs/license.txt) that came with this distribution before using
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# this software.
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#-------------------------------------------------------------------
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# http://www.plainblack.com info@plainblack.com
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#-------------------------------------------------------------------
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use strict;
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use WebGUI::Asset;
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use WebGUI::International;
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use WebGUI::Exception;
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=head1 NAME
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Package WebGUI::Macro::RandomAssetProxy
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=head1 DESCRIPTION
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Macro for displaying a random asset.
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=head2 process ( url )
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=head3 url
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The URL of an asset from the site. A random asset will be chosen
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from among that asset's children. Error message will be returned
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if no asset exists at that url, or if the asset has no children.
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=cut
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#-------------------------------------------------------------------
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sub process {
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my $session = shift;
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my $url = shift;
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my $i18n = WebGUI::International->new($session,'Macro_RandomAssetProxy');
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my $asset = eval { WebGUI::Asset->newByUrl($session, $url); };
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if (Exception::Class->caught()) {
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return $i18n->get('invalid url');
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}
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my $children = $asset->getLineage(["children"]);
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#randomize;
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my $randomAssetId = $children->[int(rand(scalar(@{$children})))];
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my $randomAsset = eval { WebGUI::Asset->newById($session,$randomAssetId); };
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if (Exception::Class->caught()) {
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return $i18n->get('childless');
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}
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elsif ($randomAsset->canView) {
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$randomAsset->toggleToolbar;
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$randomAsset->prepareView;
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return $randomAsset->view;
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}
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else {
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return undef;
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}
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}
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1;
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