ExternalDashlet.php
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<?php
/**
* $Id
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* 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();
$_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('Lucene Indexer'), $diagnose);
}
}
function is_active($oUser)
{
if (!Permission::userIsSystemAdministrator())
{
return false;
}
return $this->checkResources() > 0;
}
function render()
{
$oTemplating =& KTTemplating::getSingleton();
$oTemplate = $oTemplating->loadTemplate('ktcore/search2/external_resources');
$aTemplateData = array(
'context' => $this,
'resources' => $this->resources
);
return $oTemplate->render($aTemplateData);
}
}
?>