icingaweb2-module-director/library/Director/Objects/IcingaObjectLegacyAssignmen...

80 lines
2.0 KiB
PHP

<?php
namespace Icinga\Module\Director\Objects;
use LogicException;
/**
* This class is required for historical reasons
*
* Objects with assignments in your activity log would otherwise not be able
* to render themselves
*/
class IcingaObjectLegacyAssignments
{
public static function applyToObject(IcingaObject $object, $values)
{
if (! $object->supportsAssignments()) {
throw new LogicException(sprintf(
'I can only assign for applied objects, got %s',
$object->object_type
));
}
if ($values === null) {
return $object;
}
if (! is_array($values)) {
static::throwCompatError();
}
if (empty($values)) {
return $object;
}
$assigns = array();
$ignores = array();
foreach ($values as $type => $value) {
if (strpos($value, '|') !== false || strpos($value, '&') !== false) {
$value = '(' . $value . ')';
}
if ($type === 'assign') {
$assigns[] = $value;
} elseif ($type === 'ignore') {
$ignores[] = $value;
} else {
static::throwCompatError();
}
}
$assign = implode('|', $assigns);
$ignore = implode('&', $ignores);
if (empty($assign)) {
$filter = $ignore;
} elseif (empty($ignore)) {
$filter = $assign;
} else {
if (count($assigns) === 1) {
$filter = $assign . '&' . $ignore;
} else {
$filter = '(' . $assign . ')&(' . $ignore . ')';
}
}
$object->assign_filter = $filter;
return $object;
}
protected static function throwCompatError()
{
throw new LogicException(
'You ran into an unexpected compatibility issue. Please report'
. ' this with details helping us to reproduce this to the'
. ' Icinga project'
);
}
}