Add RSSCapable mixin for RSS-capable assets, and RSSFromParent asset for
the feeds for those assets. Convert Collaboration to use this mechanism rather than its existing viewRSS, because this is more export-friendly.
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commit
9a61dd2f38
7 changed files with 465 additions and 99 deletions
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@ -20,16 +20,17 @@ use WebGUI::Paginator;
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use WebGUI::Utility;
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use WebGUI::Asset::Wobject;
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use WebGUI::Workflow::Cron;
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our @ISA = qw(WebGUI::Asset::Wobject);
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use WebGUI::Asset::RSSCapable;
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use base 'WebGUI::Asset::RSSCapable';
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use base 'WebGUI::Asset::Wobject';
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#-------------------------------------------------------------------
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sub addChild {
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my $self = shift;
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my $properties = shift;
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my @other = @_;
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if ($properties->{className} ne "WebGUI::Asset::Post::Thread") {
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if ($properties->{className} ne "WebGUI::Asset::Post::Thread"
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and $properties->{className} ne 'WebGUI::Asset::RSSFromParent') {
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$self->session->errorHandler->security("add a ".$properties->{className}." to a ".$self->get("className"));
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return undef;
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}
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@ -544,14 +545,6 @@ sub definition {
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label=>$i18n->get('sort by'),
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hoverHelp=>$i18n->get('sort by description'),
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},
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rssTemplateId =>{
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fieldType=>"template",
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namespace=>"Collaboration/RSS",
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defaultValue=>'PBtmpl0000000000000142',
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tab=>'display',
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label=>$i18n->get('rss template'),
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hoverHelp=>$i18n->get('rss template description'),
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},
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notificationTemplateId =>{
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fieldType=>"template",
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namespace=>"Collaboration/Notification",
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@ -659,6 +652,50 @@ sub duplicate {
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return $newAsset;
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}
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#-------------------------------------------------------------------
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sub getRssItems {
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my $self = shift;
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# XXX copied and reformatted this query from www_viewRSS, but why is it constructed like this?
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# And it's duplicated inside view, too! Eeeagh! And it uses the versionTag scratch var...
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my ($sortBy, $sortOrder) = ($self->getValue('sortBy'), $self->getValue('sortOrder'));
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my @postIds = $self->session->db->buildArray(<<"SQL", [$self->getId, $self->session->scratch->get('versionTag')]);
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SELECT asset.assetId
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FROM Thread
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LEFT JOIN asset ON Thread.assetId = asset.assetId
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LEFT JOIN Post ON Post.assetId = Thread.assetId AND Post.revisionDate = Thread.revisionDate
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LEFT JOIN assetData ON assetData.assetId = Thread.assetId
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AND assetData.revisionDate = Thread.revisionDate
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WHERE asset.parentId = ? AND asset.state = 'published' AND asset.className = 'WebGUI::Asset::Post::Thread'
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AND (assetData.status = 'approved' OR assetData.tagId = ?)
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GROUP BY assetData.assetId
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ORDER BY $sortBy $sortOrder
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SQL
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return map {
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my $postId = $_;
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my $post = WebGUI::Asset->newByDynamicClass($self->session, $postId);
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my $postUrl = $self->session->url->getSiteURL() . $post->getUrl;
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# Buggo: this is an abuse of 'author'. 'author' is supposed to be an email address.
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# But this is how it was in the original Collaboration RSS, so.
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({ author => $post->get('username'),
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title => $post->get('title'),
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link => $postUrl, guid => $postUrl,
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description => $post->get('synopsis'),
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pubDate => $self->session->datetime->epochToMail($post->get('dateUpdated')),
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attachmentLoop => do {
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if ($post->get('storageId')) {
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my $storage = $post->getStorageLocation;
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[map {({ 'attachment.url' => $storage->getUrl($_),
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'attachment.path' => $storage->getPath($_),
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'attachment.length' => $storage->getFileSize($_) })}
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@{$storage->getFiles}]
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} else { undef }
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}
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})
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} @postIds;
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}
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#-------------------------------------------------------------------
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sub getEditTabs {
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my $self = shift;
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@ -682,19 +719,6 @@ sub getNewThreadUrl {
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#-------------------------------------------------------------------
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=head2 getRssUrl ( )
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Formats the url to start a new thread.
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=cut
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sub getRssUrl {
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my $self = shift;
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$self->getUrl("func=viewRSS");
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}
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#-------------------------------------------------------------------
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=head2 getSearchUrl ( )
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Formats the url to the forum search engine.
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@ -751,6 +775,17 @@ sub getUnsubscribeUrl {
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}
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#-------------------------------------------------------------------
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sub _computeThreadCount {
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my $self = shift;
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return scalar @{$self->getLineage(['children'], {includeOnlyClasses => ['WebGUI::Asset::Post::Thread']})};
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}
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sub _computePostCount {
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my $self = shift;
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return scalar @{$self->getLineage(['descendants'], {includeOnlyClasses => ['WebGUI::Asset::Post']})};
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}
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#-------------------------------------------------------------------
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=head2 incrementReplies ( lastPostDate, lastPostId )
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@ -769,8 +804,8 @@ The unique identifier of the post being added.
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sub incrementReplies {
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my ($self, $lastPostDate, $lastPostId) = @_;
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my $threads = $self->getChildCount;
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my $replies = $self->getDescendantCount - $threads;
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my $threads = $self->_computeThreadCount;
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my $replies = $self->_computePostCount;
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$self->update({replies=>$replies, threads=>$threads, lastPostId=>$lastPostId, lastPostDate=>$lastPostDate});
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}
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@ -792,7 +827,7 @@ The unique identifier of the post that was just added.
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sub incrementThreads {
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my ($self, $lastPostDate, $lastPostId) = @_;
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$self->update({threads=>$self->getChildCount, lastPostId=>$lastPostId, lastPostDate=>$lastPostDate});
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$self->update({threads=>$self->_computeThreadCount, lastPostId=>$lastPostId, lastPostDate=>$lastPostDate});
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}
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#-------------------------------------------------------------------
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@ -938,8 +973,8 @@ Calculates the number of replies to this collaboration system and updates the co
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sub sumReplies {
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my $self = shift;
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my $threads = $self->getChildCount;
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my $replies = $self->getDescendantCount - $threads;
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my $threads = $self->_computeThreadCount;
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my $replies = $self->_computePostCount;
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$self->update({replies=>$replies, threads=>$threads});
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}
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@ -953,7 +988,7 @@ Calculates the number of threads in this collaboration system and updates the co
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sub sumThreads {
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my $self = shift;
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$self->update({threads=>$self->getChildCount});
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$self->update({threads=>$self->_computeThreadCount});
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}
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#-------------------------------------------------------------------
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@ -1165,73 +1200,5 @@ sub www_view {
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return $self->SUPER::www_view(@_);
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}
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#-------------------------------------------------------------------
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# print out RSS 2.0 feed describing the items visible on the first page
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sub www_viewRSS {
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my $self = shift;
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return $self->session->privilege->noAccess() unless $self->canView;
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my %var;
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$self->logView() if ($self->session->setting->get("passiveProfilingEnabled"));
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# Set the required channel variables
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$var{'title'} = _xml_encode($self->get("title"));
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$var{'link'} = _xml_encode($self->session->url->getSiteURL().$self->getUrl);
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$self->session->errorHandler->warn( $var{'link'} );
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$var{'description'} = _xml_encode($self->get("description"));
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# Set some of the optional channel variables
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$var{'generator'} = "WebGUI ".$WebGUI::VERSION;
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$var{'lastBuildDate'} = _xml_encode($self->_get_rfc822_date($self->get("dateUpdated")));
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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 $sth = $self->session->db->read("select asset.assetId, asset.className, max(assetData.revisionDate)
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from Thread
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left join asset on Thread.assetId=asset.assetId
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left join Post on Post.assetId=Thread.assetId and Thread.revisionDate=Post.revisionDate
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left join assetData on assetData.assetId=Thread.assetId and Thread.revisionDate=assetData.revisionDate
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where asset.parentId=".$self->session->db->quote($self->getId)." and asset.state='published'
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and asset.className='WebGUI::Asset::Post::Thread'
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and (assetData.status='approved'
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or assetData.tagId=".$self->session->db->quote($self->session->scratch->get("versionTag")).")
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group by assetData.assetId
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order by ".$self->getValue("sortBy")." ".$self->getValue("sortOrder"));
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my $i = 1;
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while (my ($id, $class, $version) = $sth->array) {
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my $post = WebGUI::Asset::Wobject::Collaboration->new($self->session, $id, $class, $version);
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my $encUrl = _xml_encode($self->session->url->getSiteURL().$post->getUrl);
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my @attachmentLoop = ();
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unless ($post->get("storageId") eq "") {
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my $storage = $post->getStorageLocation;
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foreach my $filename (@{ $storage->getFiles }) {
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push @attachmentLoop, {
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'attachment.url' => $storage->getUrl($filename),
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'attachment.path' => $storage->getPath($filename),
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'attachment.length' => $storage->getFileSize($filename),
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};
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}
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}
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push(@{$var{'item_loop'}}, {
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author => _xml_encode($post->get('username')),
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title => _xml_encode($post->get("title")),
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link => $encUrl,
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description => _xml_encode($post->get("synopsis")),
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guid => $encUrl,
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pubDate => _xml_encode($self->_get_rfc822_date($post->get("dateUpdated"))),
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attachmentLoop => \@attachmentLoop,
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});
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$i++;
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last if ($i == $self->get("threadsPerPage"));
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}
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$self->session->http->setMimeType("text/xml");
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my $output = $self->processTemplate(\%var,$self->get("rssTemplateId"));
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WebGUI::Macro::process($self->session,\$output);
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return $output;
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}
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1;
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