139 lines
4.1 KiB
Perl
139 lines
4.1 KiB
Perl
package WebGUI::Asset::RSSFromParent;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2008 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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=cut
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use strict;
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use HTML::Entities;
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use Tie::IxHash;
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use base 'WebGUI::Asset';
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use WebGUI::Utility;
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=head1 NAME
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Package WebGUI::Asset::RSSFromParent
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=head1 DESCRIPTION
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Generates an RSS feed from the children/descendants of its parent.
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=head1 SYNOPSIS
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use WebGUI::Asset::RSSFromParent;
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=cut
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#-------------------------------------------------------------------
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sub definition {
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my $class = shift;
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my $session = shift;
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my $definition = shift;
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my %properties;
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tie %properties, 'Tie::IxHash';
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my $i18n = WebGUI::International->new($session, "Asset_RSSFromParent");
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%properties = ();
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push(@{$definition}, {
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assetName=>$i18n->get('assetName'),
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icon=>'rssGear.gif',
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autoGenerateForms=>1,
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tableName=>'RSSFromParent',
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className=>'WebGUI::Asset::RSSFromParent',
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properties=>\%properties
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});
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return $class->SUPER::definition($session, $definition);
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}
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#-------------------------------------------------------------------
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sub update {
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# Re-force isHidden to 1 on each update; these should always be hidden.
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my $self = shift;
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my $properties = shift;
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$self->SUPER::update(+{%$properties, isHidden => 1});
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}
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#------------------------------------------------
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sub _escapeXml {
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my $text = shift;
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return $text unless (ref $text eq "");
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return HTML::Entities::encode_numeric($text)
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}
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#------------------------------------------------
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sub _tlsOfAsset {
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my $self = shift;
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my $asset = shift;
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#Fix Title
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my $title = _escapeXml($asset->get('title'));
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#Fix Url
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my $url = _escapeXml($self->session->url->getSiteURL() . $asset->getUrl);
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#Fix Description
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my $description = _escapeXml($asset->get('synopsis'));
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return ($title,$url,$description);
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}
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#------------------------------------------------
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sub isValidRssItem { 0 }
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#------------------------------------------------
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sub displayInFolder2 { 0 }
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#------------------------------------------------
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sub www_view {
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my $self = shift;
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return '' unless $self->session->asset->getId eq $self->getId;
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return '' unless $self->getParent->isa('WebGUI::Asset::RSSCapable');
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return '' unless $self->getParent->canView; # Go to parent for auth
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my $parent = $self->getParent;
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my $template = WebGUI::Asset::Template->new($self->session, $parent->get('rssCapableRssTemplateId'));
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$template->prepare;
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$self->session->http->setMimeType('text/xml');
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my $var = {};
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@$var{'title', 'link', 'description'} = $self->_tlsOfAsset($parent);
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$var->{'generator'} = "WebGUI $WebGUI::VERSION";
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$var->{'lastBuildDate'} = $self->session->datetime->epochToMail($parent->getContentLastModified);
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$var->{'webMaster'} = $self->session->setting->get('companyEmail');
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$var->{'docs'} = 'http://blogs.law.harvard.edu/tech/rss';
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my @items = $parent->getRssItems;
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$var->{'item_loop'} = [];
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my $counter = 0;
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foreach my $item (@items) {
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my $subvar = {};
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if (UNIVERSAL::isa($item, 'WebGUI::Asset')) {
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next unless $item->isValidRssItem;
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$subvar = {};
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@$subvar{'title', 'link', 'description'} = $self->_tlsOfAsset($item);
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$subvar->{guid} = $subvar->{link};
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$subvar->{pubDate} = _escapeXml($self->session->datetime->epochToMail($item->get('creationDate')));
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} elsif (ref $item eq 'HASH') {
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foreach my $key (keys %$item) {
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$subvar->{$key} = _escapeXml($item->{$key});
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}
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} else {
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$self->session->errorHandler->error("Don't know what to do with this RSS item: $item");
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next;
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}
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$counter++;
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push @{$var->{'item_loop'}}, $subvar;
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}
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return $self->processTemplate($var, undef, $template);
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}
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1;
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