schedulerDashlet.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): ______________________________________
*
*/
require_once(KT_LIB_DIR . '/browse/browseutil.inc.php');
require_once('schedulerUtil.php');
class schedulerDashlet extends KTBaseDashlet {
var $oUser;
var $sClass = "ktError";
var $aTimes = array();
function schedulerDashlet() {
$this->sTitle = _kt('Scheduler');
}
function is_active($oUser) {
// Check if the user has admin rights
if(Permission::userIsSystemAdministrator($_SESSION['userID'])) {
// Check if the scheduler is overdue
return schedulerDashlet::checkOverDue();
}
return false;
}
/**
* Get the last and next run times for the scheduler.
* @return bool true if scheduler is overdue
*/
function checkOverDue() {
$this->aTimes = schedulerUtil::checkLastRunTime();
$sNextRunTime = $this->aTimes['nextruntime'];
$iNow = time();
$iNext = strtotime($sNextRunTime);
if($iNow > $iNext){
$iDif = $iNow - $iNext;
// if it hasn't run for a whole day then display dashlet alert.
if($iDif > 60*60*24) {
return true;
}
}
return false;
}
/**
* Calculate the time difference in days/hours/minutes
*/
function renderTime($iDif, $iUnit, $iRemainder, $sUnit, $sRemainder) {
// days
$iTime = round($iDif / $iUnit, 2);
$aRemainder = explode('.', $iTime);
if(isset($aRemainder[1]) && !empty($aRemainder[1])){
$rem = (int)$aRemainder[1];
$rem = $rem * $iRemainder/100;
$rem = round($rem, 0);
$remainder = ($rem > 0) ? ' '.$rem.' '.$sRemainder : '';
}
$time = floor($iTime).' '.$sUnit.$remainder;
return $time;
}
/**
* Get the last and next run times for the scheduler
*/
function getRunTimes() {
$bDue = FALSE;
// Check when the scheduler last ran and when the next task run time should be
$aTimes = $this->aTimes;
$sLastRunTime = $aTimes['lastruntime'];
$sNextRunTime = $aTimes['nextruntime'];
// Check if scheduler has missed the last run
$iNow = time();
$iNext = strtotime($sNextRunTime);
if($iNow > $iNext){
$bDue = TRUE;
$iDif = $iNow - $iNext;
}else{
$iDif = $iNext - $iNow;
}
$time = $iDif.' '._kt('seconds'); $remainder = '';
// Get the difference in easy units of time
if($iDif >= 60*60*24*7){
// weeks
$time = ' '.schedulerDashlet::renderTime($iDif, 60*60*24*7, 7, _kt('week(s)'), _kt('day(s)'));
}else if($iDif >= 60*60*24){
// days
$time = ' '.schedulerDashlet::renderTime($iDif, 60*60*24, 24, _kt('day(s)'), _kt('hour(s)'));
}else if($iDif >= 60*60){
// hours
$time = ' '.schedulerDashlet::renderTime($iDif, 60*60, 60, _kt('hour(s)'), _kt('minute(s)'));
}else if($iDif >= 60){
// minutes
$time = ' '.schedulerDashlet::renderTime($iDif, 60, 60, _kt('minute(s)'), _kt('second(s)'));
}
return array('lasttime' => $sLastRunTime, 'timedif' => $time, 'due' => $bDue);
}
function render() {
$bWin = false;
if(OS_WINDOWS){
$bWin = true;
}
$aTimes = schedulerDashlet::getRunTimes();
$sLastTime = $aTimes['lasttime'];
$sTimeDif = $aTimes['timedif'];
$bDue = $aTimes['due'];
$oKTConfig =& KTConfig::getSingleton();
$rootUrl = $oKTConfig->get("rootUrl");
if($oKTConfig->get("ui/morphEnabled") == '1') {
$sImg = $rootUrl.'/skins/kts_'.$oKTConfig->get("ui/morphTo");
}else{
$sImg = $rootUrl.'/resources/graphics';
}
$sImgPlus = $sImg.'/bullet_toggle_plus.png';
$sImgMinus = $sImg.'/bullet_toggle_minus.png';
$sPath = KT_DIR.'/bin/scheduler.php';
$sOnClick = " var cron = document.getElementById('cronguide');
var icon = document.getElementById('scheduler_icon');
if(cron.style.visibility == 'hidden'){
cron.style.visibility = 'visible'; cron.style.display = 'block';
icon.src = '{$sImgMinus}';
}else{
cron.style.visibility = 'hidden'; cron.style.display = 'none';
icon.src = '{$sImgPlus}';
}";
$sAdmin = KTUtil::ktLink('admin.php', 'misc/scheduler');
$oTemplating =& KTTemplating::getSingleton();
$oTemplate = $oTemplating->loadTemplate('ktcore/dashlets/scheduler');
$aTemplateData = array(
'lasttime' => $sLastTime,
'timedif' => $sTimeDif,
'isDue' => $bDue,
'bWin' => $bWin,
'sPath' => $sPath,
'sAdmin' => $sAdmin,
'sImg' => $sImgPlus,
'onClick' => $sOnClick,
);
return $oTemplate->render($aTemplateData);
}
}
?>