ExternalDashlet.php
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<?php
/**
* $Id:$
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
class ExternalResourceStatusDashlet extends KTBaseDashlet
{
var $resources = array();
function ExternalResourceStatusDashlet()
{
$this->sTitle = _kt('External Resource Dependancy Status');
$this->sClass = 'ktError';
}
function addIssue($resource, $status)
{
$this->resources[] = array(
'name'=>$resource,
'status'=>str_replace(
array("\n",_kt('Administrator Guide')),
array('<br>', sprintf("<a target='_blank' href=\"http://www.knowledgetree.com/go/ktAdminManual\">%s</a>", _kt('Administrator Guide'))), $status));
}
function checkResources()
{
$check = true;
// check if we have a cached result
if (isset($_SESSION['ExternalResourceStatus']))
{
// we will only do the check every 5 minutes
if (time() - $_SESSION['ExternalResourceStatus']['time'] < 5 * 60)
{
$check = false;
$this->resources = $_SESSION['ExternalResourceStatus']['resources'];
}
}
// we will only check if the result is not cached, or after 5 minutes
if ($check)
{
$this->checkOpenOffice();
$this->checkLucene();
$this->checkDF();
$_SESSION['ExternalResourceStatus']['time'] = time();
$_SESSION['ExternalResourceStatus']['resources'] = $this->resources;
}
return (count($this->resources) > 0);
}
function checkOpenOffice()
{
$diagnose = SearchHelper::checkOpenOfficeAvailablity();
if (!is_null($diagnose))
{
$this->addIssue(_kt('Open Office Server'), $diagnose);
}
}
function checkLucene()
{
$indexer = Indexer::get();
$diagnose = $indexer->diagnose();
if (!is_null($diagnose))
{
$this->addIssue(_kt('Document Indexer'), $diagnose);
}
}
function checkDF()
{
$df = KTUtil::findCommand('externalBinary/df','df');
if (false === $df)
{
$this->addIssue(_kt('Storage Utilization'), _kt('Could not locate the <i>df</i> binary.'));
}
}
function is_active($oUser)
{
if (!Permission::userIsSystemAdministrator())
{
return false;
}
return $this->checkResources() > 0;
}
function render()
{
$oTemplating =& KTTemplating::getSingleton();
$oTemplate = $oTemplating->loadTemplate('ktcore/search2/external_resources');
$sUrl = KTUtil::kt_url();
$aTemplateData = array(
'context' => $this,
'resources' => $this->resources,
'url' => $sUrl
);
return $oTemplate->render($aTemplateData);
}
}
?>