silverstripe-fulltextsearch/tests/SolrReindexTest/SolrReindexTest_Variant.php

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<?php
namespace SilverStripe\FullTextSearch\Tests\SolrReindexTest;
use SilverStripe\Dev\TestOnly;
use SilverStripe\FullTextSearch\Search\Variants\SearchVariant;
use SilverStripe\ORM\DataObject;
/**
* Dummy variant that selects items with field Varient matching the current value
*
* Variant states are 0 and 1, or null if disabled
*/
class SolrReindexTest_Variant extends SearchVariant implements TestOnly
{
/**
* Value of this variant (either null, 0, or 1)
*
* @var int|null
*/
protected static $current = null;
/**
* Activate this variant
*/
public static function enable()
{
self::disable();
self::$current = 0;
self::$variants = array(
self::class => singleton(self::class)
);
}
/**
* Disable this variant and reset
*/
public static function disable()
{
self::$current = null;
self::$variants = null;
self::$class_variants = array();
self::$call_instances = array();
}
public function activateState($state)
{
self::set_current($state);
}
/**
* Set the current variant to the given state
*
* @param int $current 0, 1, 2, or null (disabled)
*/
public static function set_current($current)
{
self::$current = $current;
}
/**
* Get the current state
*
* @return string|null
*/
public static function get_current()
{
// Always use string values for states for consistent json_encode value
if (isset(self::$current)) {
return (string)self::$current;
}
}
public function alterDefinition($class, $index)
{
$self = get_class($this);
$this->addFilterField($index, '_testvariant', array(
'name' => '_testvariant',
'field' => '_testvariant',
'fullfield' => '_testvariant',
'base' => DataObject::getSchema()->baseDataClass($class),
'origin' => $class,
'type' => 'Int',
'lookup_chain' => array(array('call' => 'variant', 'variant' => $self, 'method' => 'currentState'))
));
}
public function alterQuery($query, $index)
{
// I guess just calling it _testvariant is ok?
$query->filter('_testvariant', $this->currentState());
}
public function appliesTo($class, $includeSubclasses)
{
return $class === SolrReindexTest_Item::class ||
($includeSubclasses && is_subclass_of($class, SolrReindexTest_Item::class, true));
}
public function appliesToEnvironment()
{
// Set to null to disable
return self::$current !== null;
}
public function currentState()
{
return self::get_current();
}
public function reindexStates()
{
// Always use string values for states for consistent json_encode value
return array('0', '1', '2');
}
}