/**
* Describe (as a text string) the modifications corresponding to this change
*/
public function GetDescription()
{
$sResult = '';
$oTargetObjectClass = $this->Get('objclass');
$oTargetObjectKey = $this->Get('objkey');
$oTargetSearch = new DBObjectSearch($oTargetObjectClass);
$oTargetSearch->AddCondition('id', $oTargetObjectKey, '=');
$oMonoObjectSet = new DBObjectSet($oTargetSearch);
if (UserRights::IsActionAllowedOnAttribute($this->Get('objclass'), $this->Get('attcode'), UR_ACTION_READ, $oMonoObjectSet) == UR_ALLOWED_YES) {
if (!MetaModel::IsValidAttCode($this->Get('objclass'), $this->Get('attcode'))) {
return '';
}
// Protects against renamed attributes...
$oAttDef = MetaModel::GetAttributeDef($this->Get('objclass'), $this->Get('attcode'));
$sAttName = $oAttDef->GetLabel();
$sLinkClass = $oAttDef->GetLinkedClass();
$aLinkClasses = MetaModel::EnumChildClasses($sLinkClass, ENUM_CHILD_CLASSES_ALL);
// Search for changes on the corresponding link
//
$oSearch = new DBObjectSearch('CMDBChangeOpSetAttribute');
$oSearch->AddCondition('change', $this->Get('change'), '=');
$oSearch->AddCondition('objkey', $this->Get('link_id'), '=');
if (count($aLinkClasses) == 1) {
// Faster than the whole building of the expression below for just one value ??
$oSearch->AddCondition('objclass', $sLinkClass, '=');
} else {
$oField = new FieldExpression('objclass', $oSearch->GetClassAlias());
$sListExpr = '(' . implode(', ', CMDBSource::Quote($aLinkClasses)) . ')';
$sOQLCondition = $oField->Render() . " IN {$sListExpr}";
$oNewCondition = Expression::FromOQL($sOQLCondition);
$oSearch->AddConditionExpression($oNewCondition);
}
$oSet = new DBObjectSet($oSearch);
$aChanges = array();
while ($oChangeOp = $oSet->Fetch()) {
$aChanges[] = $oChangeOp->GetDescription();
}
if (count($aChanges) == 0) {
return '';
}
$sItemDesc = MetaModel::GetHyperLink($this->Get('item_class'), $this->Get('item_id'));
$sResult = $sAttName . ' - ';
$sResult .= Dict::Format('Change:LinkSet:Modified', $sItemDesc);
$sResult .= ' : ' . implode(', ', $aChanges);
}
return $sResult;
}
protected static function GetConditionIN($oFilter, $sFilterCode, $condition)
{
$oField = new FieldExpression($sFilterCode, $oFilter->GetClassAlias());
$sListExpr = '(' . implode(', ', CMDBSource::Quote($condition)) . ')';
$sOQLCondition = $oField->Render() . " IN {$sListExpr}";
$oNewCondition = Expression::FromOQL($sOQLCondition);
return $oNewCondition;
}
