Files
iTop/core/cmdbobject.class.inc.php

530 lines
15 KiB
PHP

<?php
/**
* cmdbObjectClass
* the file to include, then the core is yours
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @author Denis Flaven <denisflave@free.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version 1.1.1.1 $
*/
require_once('coreexception.class.inc.php');
require_once('config.class.inc.php');
require_once('log.class.inc.php');
require_once('dict.class.inc.php');
require_once('attributedef.class.inc.php');
require_once('filterdef.class.inc.php');
require_once('stimulus.class.inc.php');
require_once('valuesetdef.class.inc.php');
require_once('MyHelpers.class.inc.php');
require_once('expression.class.inc.php');
require_once('cmdbsource.class.inc.php');
require_once('sqlquery.class.inc.php');
require_once('oql/oqlquery.class.inc.php');
require_once('oql/oqlexception.class.inc.php');
require_once('oql/oql-parser.php');
require_once('oql/oql-lexer.php');
require_once('oql/oqlinterpreter.class.inc.php');
require_once('dbobject.class.php');
require_once('dbobjectsearch.class.php');
require_once('dbobjectset.class.php');
// db change tracking data model
require_once('cmdbchange.class.inc.php');
require_once('cmdbchangeop.class.inc.php');
// customization data model
// Romain: temporary moved into application.inc.php (see explanations there)
//require_once('trigger.class.inc.php');
//require_once('action.class.inc.php');
// application log
// Romain: temporary moved into application.inc.php (see explanations there)
//require_once('event.class.inc.php');
require_once('csvparser.class.inc.php');
require_once('bulkchange.class.inc.php');
require_once('userrights.class.inc.php');
//
// Error handling
// To be finalized... or removed ?
//
function cmdbErrorHandler($errno, $errstr, $errfile, $errline)
{
// font-family: Courier-New, Courier, Arial, Helevtica;
$sErrorStyle = "
background-color: #ffaaaa;
color: #000000;
border: 1px dashed #000000;
padding: 0.25em;
margin-top: 1em;
";
$sCallStackStyle = "
font-size: smaller;
background-color: #ffcccc;
color: #000000;
border: 1px dashed #000000;
padding: 0.25em;
margin-top: 1em;
";
switch ($errno)
{
case E_USER_ERROR:
case E_ERROR:
echo "<div style=\"$sErrorStyle\">\n";
echo "<b>Error</b> [$errno] $errstr<br />\n";
echo "<div style=\"$sCallStackStyle\">\n";
MyHelpers::dump_callstack(1);
echo "</div>\n";
echo "Hereafter the biz model internals:<br />\n";
echo "<pre>\n";
MetaModel::static_var_dump();
echo "</pre>\n";
echo "Aborting...<br />\n";
echo "</div>\n";
exit(1);
break;
case E_USER_WARNING:
case E_WARNING:
echo "<div style=\"background-color:#FAA;\">\n";
echo "<b>Warning</b> [$errno] $errstr<br />\n";
echo "<div style=\"background-color:#FCC;\">\n";
MyHelpers::dump_callstack(1);
echo "</div>\n";
echo "</div>\n";
break;
case E_USER_NOTICE:
case E_NOTICE:
echo "<div style=\"background-color:#FAA;\">\n";
echo "<b>Notice</b> [$errno] $errstr<br />\n";
echo "<div style=\"background-color:#FCC;\">\n";
MyHelpers::dump_callstack(1);
echo "</div>\n";
echo "</div>\n";
break;
default:
echo "Unknown error type: [$errno] $errstr<br />\n";
MyHelpers::dump_callstack(1);
break;
}
}
error_reporting(E_ALL | E_STRICT);
//set_error_handler("cmdbErrorHandler");
//
//
//
/**
* A persistent object, which changes are accurately recorded
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @author Denis Flaven <denisflave@free.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version 1.1.1.1 $
*/
abstract class CMDBObject extends DBObject
{
protected $m_datCreated;
protected $m_datUpdated;
protected static $m_oCurrChange = null;
private function RecordObjCreation(CMDBChange $oChange)
{
$oMyChangeOp = MetaModel::NewObject("CMDBChangeOpCreate");
$oMyChangeOp->Set("change", $oChange->GetKey());
$oMyChangeOp->Set("objclass", get_class($this));
$oMyChangeOp->Set("objkey", $this->GetKey());
$iId = $oMyChangeOp->DBInsertNoReload();
}
private function RecordObjDeletion(CMDBChange $oChange, $objkey)
{
$oMyChangeOp = MetaModel::NewObject("CMDBChangeOpDelete");
$oMyChangeOp->Set("change", $oChange->GetKey());
$oMyChangeOp->Set("objclass", get_class($this));
$oMyChangeOp->Set("objkey", $objkey);
$iId = $oMyChangeOp->DBInsertNoReload();
}
private function RecordAttChanges(CMDBChange $oChange, array $aValues, array $aOrigValues)
{
// $aValues is an array of $sAttCode => $value
//
foreach ($aValues as $sAttCode=> $value)
{
$oAttDef = MetaModel::GetAttributeDef(get_class($this), $sAttCode);
if ($oAttDef->IsLinkSet()) continue; // #@# temporary
if ($oAttDef instanceOf AttributeBlob)
{
// Data blobs
$oMyChangeOp = MetaModel::NewObject("CMDBChangeOpSetAttributeBlob");
$oMyChangeOp->Set("change", $oChange->GetKey());
$oMyChangeOp->Set("objclass", get_class($this));
$oMyChangeOp->Set("objkey", $this->GetKey());
$oMyChangeOp->Set("attcode", $sAttCode);
if (array_key_exists($sAttCode, $aOrigValues))
{
$original = $aOrigValues[$sAttCode];
}
else
{
$original = new ormDocument();
}
$oMyChangeOp->Set("prevdata", $original);
$iId = $oMyChangeOp->DBInsertNoReload();
}
elseif ($oAttDef instanceOf AttributeText)
{
// Data blobs
$oMyChangeOp = MetaModel::NewObject("CMDBChangeOpSetAttributeText");
$oMyChangeOp->Set("change", $oChange->GetKey());
$oMyChangeOp->Set("objclass", get_class($this));
$oMyChangeOp->Set("objkey", $this->GetKey());
$oMyChangeOp->Set("attcode", $sAttCode);
if (array_key_exists($sAttCode, $aOrigValues))
{
$original = $aOrigValues[$sAttCode];
}
else
{
$original = null;
}
$oMyChangeOp->Set("prevdata", $original);
$iId = $oMyChangeOp->DBInsertNoReload();
}
else
{
// Scalars
//
$oMyChangeOp = MetaModel::NewObject("CMDBChangeOpSetAttributeScalar");
$oMyChangeOp->Set("change", $oChange->GetKey());
$oMyChangeOp->Set("objclass", get_class($this));
$oMyChangeOp->Set("objkey", $this->GetKey());
$oMyChangeOp->Set("attcode", $sAttCode);
if (array_key_exists($sAttCode, $aOrigValues))
{
$sOriginalValue = $aOrigValues[$sAttCode];
}
else
{
$sOriginalValue = 'undefined';
}
$oMyChangeOp->Set("oldvalue", $sOriginalValue);
$oMyChangeOp->Set("newvalue", $value);
$iId = $oMyChangeOp->DBInsertNoReload();
}
}
}
public function DBInsert()
{
if(!is_object(self::$m_oCurrChange))
{
throw new CoreException("DBInsert() could not be used here, please use DBInsertTracked() instead");
}
return $this->DBInsertTracked_Internal();
}
public function DBInsertTracked(CMDBChange $oChange)
{
self::$m_oCurrChange = $oChange;
$ret = $this->DBInsertTracked_Internal();
self::$m_oCurrChange = null;
return $ret;
}
public function DBInsertTrackedNoReload(CMDBChange $oChange)
{
self::$m_oCurrChange = $oChange;
$ret = $this->DBInsertTracked_Internal(true);
self::$m_oCurrChange = null;
return $ret;
}
protected function DBInsertTracked_Internal($bDoNotReload = false)
{
if ($bDoNotReload)
{
$ret = parent::DBInsertNoReload();
}
else
{
$ret = parent::DBInsert();
}
$this->RecordObjCreation(self::$m_oCurrChange);
return $ret;
}
public function DBClone($newKey = null)
{
if(!self::$m_oCurrChange)
{
throw new CoreException("DBClone() could not be used here, please use DBCloneTracked() instead");
}
return $this->DBCloneTracked_Internal();
}
public function DBCloneTracked(CMDBChange $oChange, $newKey = null)
{
self::$m_oCurrChange = $oChange;
$this->DBCloneTracked_Internal($newKey);
self::$m_oCurrChange = null;
}
protected function DBCloneTracked_Internal($newKey = null)
{
$newKey = parent::DBClone($newKey);
$oClone = MetaModel::GetObject(get_class($this), $newKey);
$oClone->RecordObjCreation(self::$m_oCurrChange);
return $newKey;
}
public function DBUpdate()
{
if(!self::$m_oCurrChange)
{
throw new CoreException("DBUpdate() could not be used here, please use DBUpdateTracked() instead");
}
return $this->DBUpdateTracked_internal();
}
public function DBUpdateTracked(CMDBChange $oChange)
{
self::$m_oCurrChange = $oChange;
$this->DBUpdateTracked_Internal();
self::$m_oCurrChange = null;
}
protected function DBUpdateTracked_Internal()
{
// Copy the changes list before the update (the list should be reset afterwards)
$aChanges = $this->ListChanges();
if (count($aChanges) == 0)
{
throw new CoreWarning("Attempting to update an unchanged object");
return;
}
// Save the original values (will be reset to the new values when the object get written to the DB)
$aOriginalValues = $this->m_aOrigValues;
$ret = parent::DBUpdate();
$this->RecordAttChanges(self::$m_oCurrChange, $aChanges, $aOriginalValues);
return $ret;
}
public function DBDelete()
{
if(!self::$m_oCurrChange)
{
throw new CoreException("DBDelete() could not be used here, please use DBDeleteTracked() instead");
}
return $this->DBDeleteTracked_Internal();
}
public function DBDeleteTracked(CMDBChange $oChange)
{
self::$m_oCurrChange = $oChange;
$this->DBDeleteTracked_Internal();
self::$m_oCurrChange = null;
}
protected function DBDeleteTracked_Internal()
{
$prevkey = $this->GetKey();
$ret = parent::DBDelete();
$this->RecordObjDeletion(self::$m_oCurrChange, $prevkey);
return $ret;
}
public static function BulkDelete(DBObjectSearch $oFilter)
{
if(!self::$m_oCurrChange)
{
throw new CoreException("BulkDelete() could not be used here, please use BulkDeleteTracked() instead");
}
return $this->BulkDeleteTracked_Internal($oFilter);
}
public static function BulkDeleteTracked(CMDBChange $oChange, DBObjectSearch $oFilter)
{
self::$m_oCurrChange = $oChange;
$this->BulkDeleteTracked_Internal($oFilter);
self::$m_oCurrChange = null;
}
protected static function BulkDeleteTracked_Internal(DBObjectSearch $oFilter)
{
throw new CoreWarning("Change tracking not tested for bulk operations");
// Get the list of objects to delete (and record data before deleting the DB records)
$oObjSet = new CMDBObjectSet($oFilter);
$aObjAndKeys = array(); // array of id=>object
while ($oItem = $oObjSet->Fetch())
{
$aObjAndKeys[$oItem->GetKey()] = $oItem;
}
$oObjSet->FreeResult();
// Delete in one single efficient query
$ret = parent::BulkDelete($oFilter);
// Record... in many queries !!!
foreach($aObjAndKeys as $prevkey=>$oItem)
{
$oItem->RecordObjDeletion(self::$m_oCurrChange, $prevkey);
}
return $ret;
}
public static function BulkUpdate(DBObjectSearch $oFilter, array $aValues)
{
if(!self::$m_oCurrChange)
{
throw new CoreException("BulkUpdate() could not be used here, please use BulkUpdateTracked() instead");
}
return $this->BulkUpdateTracked_Internal($oFilter, $aValues);
}
public static function BulkUpdateTracked(CMDBChange $oChange, DBObjectSearch $oFilter, array $aValues)
{
self::$m_oCurrChange = $oChange;
$this->BulkUpdateTracked_Internal($oFilter, $aValues);
self::$m_oCurrChange = null;
}
protected static function BulkUpdateTracked_Internal(DBObjectSearch $oFilter, array $aValues)
{
// $aValues is an array of $sAttCode => $value
// Get the list of objects to update (and load it before doing the change)
$oObjSet = new CMDBObjectSet($oFilter);
$oObjSet->Load();
// Keep track of the previous values (will be overwritten when the objects are synchronized with the DB)
$aOriginalValues = array();
$oObjSet->Rewind();
while ($oItem = $oObjSet->Fetch())
{
$aOriginalValues[$oItem->GetKey()] = $oItem->m_aOrigValues;
}
// Update in one single efficient query
$ret = parent::BulkUpdate($oFilter, $aValues);
// Record... in many queries !!!
$oObjSet->Rewind();
while ($oItem = $oObjSet->Fetch())
{
$aChangedValues = $oItem->ListChangedValues($aValues);
$oItem->RecordAttChanges(self::$m_oCurrChange, $aChangedValues, $aOriginalValues[$oItem->GetKey()]);
}
return $ret;
}
}
/**
* TODO: investigate how to get rid of this class that was made to workaround some language limitation... or a poor design!
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @author Denis Flaven <denisflave@free.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version 1.1.1.1 $
*/
class CMDBObjectSet extends DBObjectSet
{
// this is the public interface (?)
// I have to define those constructors here... :-(
// just to get the right object class in return.
// I have to think again to those things: maybe it will work fine if a have a constructor define here (?)
static public function FromScratch($sClass)
{
$oFilter = new CMDBSearchFilter($sClass);
$oRetSet = new CMDBObjectSet($oFilter); // THE ONLY DIFF IS HERE
// NOTE: THIS DOES NOT WORK IF m_bLoaded is private...
// BUT IT THAT CASE YOU DO NOT GET ANY ERROR !!!!!
$oRetSet->m_bLoaded = true; // no DB load
return $oRetSet;
}
static public function FromArray($sClass, $aObjects)
{
$oFilter = new CMDBSearchFilter($sClass);
$oRetSet = new CMDBObjectSet($oFilter); // THE ONLY DIFF IS HERE
// NOTE: THIS DOES NOT WORK IF m_bLoaded is private...
// BUT IT THAT CASE YOU DO NOT GET ANY ERROR !!!!!
$oRetSet->m_bLoaded = true; // no DB load
$oRetSet->AddObjectArray($aObjects);
return $oRetSet;
}
static public function FromArrayAssoc($aClasses, $aObjects)
{
// In a perfect world, we should create a complete tree of DBObjectSearch,
// but as we lack most of the information related to the objects,
// let's create one search definition
$sClass = reset($aClasses);
$sAlias = key($aClasses);
$oFilter = new CMDBSearchFilter($sClass, $sAlias);
$oRetSet = new CMDBObjectSet($oFilter);
$oRetSet->m_bLoaded = true; // no DB load
foreach($aObjects as $rowIndex => $aObjectsByClassAlias)
{
$oRetSet->AddObjectExtended($aObjectsByClassAlias);
}
return $oRetSet;
}
}
/**
* TODO: investigate how to get rid of this class that was made to workaround some language limitation... or a poor design!
*
* @package iTopORM
* @author Romain Quetiez <romainquetiez@yahoo.fr>
* @author Denis Flaven <denisflave@free.fr>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.itop.com
* @since 1.0
* @version 1.1.1.1 $
*/
class CMDBSearchFilter extends DBObjectSearch
{
// this is the public interface (?)
}
?>