package WebGUI::Asset::Wobject::Search;

#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2008 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
#-------------------------------------------------------------------

use strict;
use base "WebGUI::Asset::Wobject";
use Tie::IxHash;
use WebGUI::International;
use WebGUI::Paginator;
use WebGUI::Search;

=head1 NAME

Package WebGUI::Asset::Wobject::Search

=head1 DESCRIPTION

Asset used to search WebGUI content.

=head1 METHODS

These methods are available from this package:

=cut


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

=head2 definition ( class, definition )

This method defines all properties of a Search and is used to autogenerate most methods.

=head3 class

$class is used to make sure that inheritance works on Assets and Wobjects.

=head3 definition

Definition hashref from subclasses.

=head3 Search specific properties

These properties are added just for this asset.

=head4 templateId

ID of a tempate from the Search namespace to display the search results.

=head4 searchRoot

An asset id of the point at which a search should start.

=head4 classLimiter

An array reference of asset classnames that are valid for the search.

=cut

sub definition {
	my $class = shift;
	my $session = shift;
	my $definition = shift;
	my $i18n = WebGUI::International->new($session,'Asset_Search');
	my %properties;
	tie %properties, 'Tie::IxHash';
	%properties = (
			templateId => {
				fieldType       => "template",
				defaultValue    => 'PBtmpl0000000000000200',	
				tab             => "display",
				namespace       => "Search",
                hoverHelp       => $i18n->get('search template description'),
                label           => $i18n->get('search template')
				},
			searchRoot => {
				fieldType       => "asset",
				defaultValue    => $session->setting->get("defaultPage"),
				tab             => "properties",
				hoverHelp       => $i18n->get("search root description"),
				label           => $i18n->get('search root')
				},
			classLimiter => {
				fieldType       => "checkList",
				defaultValue    => undef,
				vertical        => 1,
				tab             => "properties",
				hoverHelp       => $i18n->get("class limiter description"),
				label           => $i18n->get("class limiter"),
				options         => $session->db->buildHashRef("select distinct(className) from asset")
				},
            useContainers => {
                tab             => "properties",
                hoverHelp       => $i18n->get("useContainers help"),
                label           => $i18n->get("useContainers"),
                fieldType       => "yesNo",
                defaultValue    => 0,
                },
		);
	push(@{$definition}, {
		assetName=>$i18n->get('assetName'),
		icon=>'search.gif',
		autoGenerateForms=>1,
		tableName=>'search',
		className=>'WebGUI::Asset::Wobject::Search',
		properties=>\%properties
		});
        return $class->SUPER::definition($session, $definition);
}

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

=head2 prepareView ( )

See WebGUI::Asset::prepareView() for details.

=cut

sub prepareView {
	my $self = shift;
	$self->SUPER::prepareView();
	my $template = WebGUI::Asset::Template->new($self->session, $self->get("templateId"));
	$template->prepare;
	$self->{_viewTemplate} = $template;
}


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

=head2 view ( )

Display search interface and results.

=cut

sub view {
	my $self = shift;
	my $i18n = WebGUI::International->new($self->session, "Asset_Search");
	my %var;
	$var{'form_header'} = WebGUI::Form::formHeader($self->session, {action=>$self->getUrl})
		.WebGUI::Form::hidden($self->session,{name=>"doit", value=>"1"});
	$var{'form_footer'} = WebGUI::Form::formFooter($self->session);
	$var{'form_submit'} = WebGUI::Form::submit($self->session, {value=>$i18n->get("search")});
	$var{'form_keywords'} = WebGUI::Form::text($self->session, {name=>"keywords", value=>$self->session->form->get("keywords")});
	$var{'no_results'} = $i18n->get("no results");
	if ($self->session->form->get("doit")) {
		my $search = WebGUI::Search->new($self->session);
		my %rules = (
			keywords=>$self->session->form->get("keywords"), 
			lineage=>[WebGUI::Asset->newByDynamicClass($self->session,$self->getValue("searchRoot"))->get("lineage")],
			);
		my @classes = split("\n",$self->get("classLimiter"));
		$rules{classes} = \@classes if (scalar(@classes));
		$search->search(\%rules);
		my @results = ();
		my $rs = $search->getResultSet;
		while (my $data = $rs->hashRef) {
			if ($self->session->user->userId eq $data->{ownerUserId} || $self->session->user->isInGroup($data->{groupIdView}) || $self->session->user->isInGroup($data->{groupIdEdit})) {
            my $url = $data->{url};
            if ($self->get("useContainers")) {
                my $asset = WebGUI::Asset->new($self->session, $data->{assetId}, $data->{className});
                if (defined $asset) {
                    $url = $asset->getContainer->get("url");
                }
            }
			push(@results, {
				url         => $url,
				title       => $data->{title},
				synopsis    => $data->{synopsis},
				assetId     => $data->{assetId},
				});
             $var{results_found} = 1;
			}
		} 
		my $p = WebGUI::Paginator->new($self->session,$self->getUrl('doit=1;keywords='.$self->session->url->escape($self->session->form->get('keywords'))));
		$p->setDataByArrayRef(\@results);	
		$p->appendTemplateVars(\%var);
		$var{result_set} = $p->getPageData;
	}
	return $self->processTemplate(\%var, undef, $self->{_viewTemplate});
}

1;