portal.mkgtu.ru/common/components/LikeQueryManager.php

61 lines
1.1 KiB
PHP
Executable File

<?php
namespace common\components;
use Yii;
use yii\db\Expression;
class LikeQueryManager
{
private const ESCAPE_CHARACTERS_FOR_FULL_TEXT_SEARCH = [
'(' => '\(',
')' => '\)',
' ' => '\ ',
'|' => '\|',
'&' => '\&',
':' => '\:',
'*' => '\*',
'!' => '\!',
];
public static function getActionName(): string
{
if (Yii::$app->db->driverName === 'pgsql') {
return 'ILIKE';
}
return 'LIKE';
}
public static function getFullTextSearch(string $attribute, string $query)
{
if (Yii::$app->db->driverName !== 'pgsql') {
return ['LIKE', $attribute, $query];
}
$searchString = strtr(
$query,
LikeQueryManager::ESCAPE_CHARACTERS_FOR_FULL_TEXT_SEARCH
);
return new Expression("
to_tsvector(
'russian',
{$attribute}
) @@ to_tsquery(
'russian',
'{$searchString}'
)
");
}
}