Ready for 7.10.29 development.

lib/WebGUI/Workflow/Activity/GetSyndicatedContent.pm

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+package WebGUI::Workflow::Activity::GetSyndicatedContent;
+
+
+=head1 LEGAL
+
+ -------------------------------------------------------------------
+  WebGUI is Copyright 2001-2009 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
+ -------------------------------------------------------------------
+
+=cut
+
+use strict;
+use base 'WebGUI::Workflow::Activity';
+use WebGUI::Asset::Wobject::SyndicatedContent;
+use JSON;
+
+=head1 NAME
+
+Package WebGUI::Workflow::Activity::GetSyndicatedContent;
+
+=head1 DESCRIPTION
+
+Prefetches syndicated content URLs so that the pages can be served up more quickly.
+
+=head1 SYNOPSIS
+
+See WebGUI::Workflow::Activity for details on how to use any activity.
+
+=head1 METHODS
+
+These methods are available from this class:
+
+=cut
+
+
+#-------------------------------------------------------------------
+
+=head2 definition ( session, definition )
+
+See WebGUI::Workflow::Activity::definition() for details.
+
+=cut 
+
+sub definition {
+	my $class = shift;
+	my $session = shift;
+	my $definition = shift;
+	my $i18n = WebGUI::International->new($session, "Asset_SyndicatedContent");
+	push(@{$definition}, {
+		name=>$i18n->get("get syndicated content"),
+		properties=> { }
+		});
+	return $class->SUPER::definition($session,$definition);
+}
+
+
+#-------------------------------------------------------------------
+
+=head2 execute (  )
+
+See WebGUI::Workflow::Activity::execute() for details.
+
+=cut
+
+sub execute {
+    my $self = shift;
+    my $object = shift;
+    my $instance = shift;
+    unless (defined $instance) {
+        $self->session->errorHandler->error("Could not instanciate Workflow Instance in GetSyndicatedContent Activity");
+        return $self->ERROR;
+    }
+	my $log = $self->session->log;
+    # start time to check for timeouts
+    my $time = time();
+    my $ttl  = $self->getTTL;
+    
+    # get asset list
+    my $scratch = $instance->getScratch("syndicatedassets");
+    my $assets = [];
+    if ($scratch) {
+        $assets = JSON->new->decode($scratch);
+    }
+    else {
+        $assets = $self->session->db->buildArrayRef("select assetId from asset where className like 'WebGUI::Asset::Wobject::SyndicatedContent'");
+    }
+
+    # process each syndicated content asset
+    while (my $id = shift(@{$assets})) {
+        # Get RSS data, which will be stored in the cache
+        $log->info("GetSyndicatedContent: Caching for $id");
+		my $asset = WebGUI::Asset::Wobject::SyndicatedContent->new($self->session, $id);
+		if (defined $asset) {
+			my $feed = $asset->generateFeed;
+			unless ($feed->isa('XML::FeedPP')) {
+				$log->error("GetSyndicatedContent: Syndicated Content Asset $id returned an invalid feed");
+			}
+		}
+		else {
+			$log->error("GetSyndicatedContent: Couldn't instanciate $id")
+		}
+        # Check for timeout
+        last if (time() - $time > $ttl);
+    }
+
+    # if there are urls left, we need to process again
+    if (scalar(@$assets) > 0) {
+        $instance->setScratch("syndicatedassets", JSON->new->encode($assets));
+        return $self->WAITING(1);
+    }
+    
+    # if we've completed the list, clean up
+    $instance->deleteScratch("syndicatedassets");
+    return $self->COMPLETE;
+}
+
+
+
+
+1;
+
+