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