package WebGUI::Workflow::Activity::ArchiveOldThreads;


=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;
use WebGUI::Asset::Wobject::Collaboration;
use WebGUI::Exception;

=head1 NAME

Package WebGUI::Workflow::Activity::ArchiveOldThreads

=head1 DESCRIPTION

Uses the settings in the collaboration systems to determine whether the threads in those collaboration systems should be archived.

=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, "Workflow_Activity_ArchiveOldThreads");
    push(@{$definition}, {
        name=>$i18n->get("activityName"),
        properties=> {}
        });
    return $class->SUPER::definition($session,$definition);
}


#-------------------------------------------------------------------

=head2 execute (  )

See WebGUI::Workflow::Activity::execute() for details.

=cut

sub execute {
    my $self    = shift;
    my $session = $self->session;
    my $epoch   = time();
    my $getCs   = WebGUI::Asset::Wobject::Collaboration->getIsa($session);
    CS: while (1) {
        my $cs = eval { $getCs->(); };
        if (Exception::Class->caught()) {
            $session->log->error("Unable to instance Collaboration System: $@");
            next CS;
        }
        last CS unless $cs;
        next CS unless $cs->archiveEnabled;
        my $archiveDate = $epoch - $cs->archiveAfter;
        my $sql = "select asset.assetId, assetData.revisionDate from Post left join asset on asset.assetId=Post.assetId 
                left join assetData on Post.assetId=assetData.assetId and Post.revisionDate=assetData.revisionDate
                where Post.revisionDate<? and assetData.status='approved' and asset.state='published'
                and Post.threadId=Post.assetId and asset.lineage like ?";
        my $b = $session->db->read($sql,[$archiveDate, $cs->lineage.'%']);
        THREAD: while (my ($id, $version) = $b->array) {
            my $thread = eval { WebGUI::Asset->newById($session, $id, $version); };
            if (WebGUI::Exception->caught()) {
                $session->log->error("Unable to instanciate Thread: $@");
                next THREAD;
            }
            my $archiveIt = 1;
            foreach my $post (@{$thread->getPosts}) {
                $archiveIt = 0 if (defined $post && $post->get("revisionDate") > $archiveDate);
            }
            $thread->archive if ($archiveIt);
        }
        $b->finish;
    }
    return $self->COMPLETE;
}

1;