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<?php
/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
namespace Icinga\Module\Icingadb\Model\Behavior;
use ipl\Orm\Contract\PropertyBehavior;
use ipl\Orm\Contract\RewriteFilterBehavior;
use ipl\Stdlib\Filter\Condition;
/**
* Class Bitmask
*
* @method void __construct(array $properties) Pass property names as keys and their bitmap ([value => bit]) as value
*/
class Bitmask extends PropertyBehavior implements RewriteFilterBehavior
{
public function fromDb($bits, $key, $context)
{
$values = [];
foreach ($context as $value => $bit) {
if ($bits & $bit) {
$values[] = $value;
}
}
return $values;
}
public function toDb($value, $key, $context)
{
if (! is_array($value)) {
if (is_int($value) || ctype_digit($value)) {
return $value;
}
return isset($context[$value]) ? $context[$value] : -1;
}
$bits = [];
$allBits = 0;
foreach ($value as $v) {
if (isset($context[$v])) {
$bits[] = $context[$v];
$allBits |= $context[$v];
} elseif (is_int($v) || ctype_digit($v)) {
$bits[] = $v;
$allBits |= $v;
}
}
$bits[] = $allBits;
return $bits;
}
public function rewriteCondition(Condition $condition, $relation = null)
{
$column = $condition->metaData()->get('columnName');
if (! isset($this->properties[$column])) {
return;
}
$values = $condition->getValue();
if (! is_array($values)) {
if (is_int($values) || ctype_digit($values)) {
return;
}
$values = [$values];
}
$bits = 0;
foreach ($values as $value) {
if (isset($this->properties[$column][$value])) {
$bits |= $this->properties[$column][$value];
} elseif (is_int($value) || ctype_digit($value)) {
$bits |= $value;
}
}
$condition->setColumn(sprintf('%s & %s', $condition->getColumn(), $bits));
}
}
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