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<?php |
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declare(strict_types = 1); |
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/** |
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* /src/Rest/SearchTerm.php |
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* |
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* @author TLe, Tarmo Leppänen <[email protected]> |
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*/ |
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namespace App\Rest; |
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use App\Rest\Interfaces\SearchTermInterface; |
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use Closure; |
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use function array_filter; |
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use function array_map; |
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use function array_merge; |
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use function array_unique; |
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use function array_values; |
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use function count; |
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use function explode; |
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use function is_array; |
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use function str_contains; |
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use function trim; |
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/** |
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* Class SearchTerm |
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* |
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* @package App\Rest |
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* @author TLe, Tarmo Leppänen <[email protected]> |
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*/ |
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final class SearchTerm implements SearchTermInterface |
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{ |
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public static function getCriteria( |
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array | string | null $column, |
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array | string | null $search, |
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?string $operand = null, |
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?int $mode = null, |
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): ?array { |
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$operand ??= self::OPERAND_OR; |
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$mode ??= self::MODE_FULL; |
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$columns = self::getColumns($column); |
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$searchTerms = self::getSearchTerms($search); |
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// Fallback to OR operand if not supported one given |
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if ($operand !== self::OPERAND_AND && $operand !== self::OPERAND_OR) { |
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$operand = self::OPERAND_OR; |
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} |
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return self::createCriteria($columns, $searchTerms, $operand, $mode); |
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} |
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/** |
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* Helper method to create used criteria array with given columns and search terms. |
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* |
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* @param array<int, string> $columns |
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* @param array<int, string> $searchTerms |
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* |
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* @return array<string, array<string, array>>|null |
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*/ |
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private static function createCriteria(array $columns, array $searchTerms, string $operand, int $mode): ?array |
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{ |
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$iteratorTerm = self::getTermIterator($columns, $mode); |
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/** |
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* Get criteria |
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* |
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* @var array<string, array<string, array>> |
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*/ |
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$criteria = array_filter(array_map($iteratorTerm, $searchTerms)); |
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// Initialize output |
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$output = null; |
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// We have some generated criteria |
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if (count($criteria) > 0) { |
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// Create used criteria array |
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$output = [ |
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'and' => [ |
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$operand => array_merge(...array_values($criteria)), |
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], |
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]; |
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} |
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return $output; |
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} |
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/** |
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* Method to get term iterator closure. |
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* |
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* @param array<int, string> $columns |
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*/ |
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private static function getTermIterator(array $columns, int $mode): Closure |
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{ |
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return static fn (string $term): ?array => count($columns) > 0 |
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? array_map(self::getColumnIterator($term, $mode), $columns) |
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: null; |
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} |
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/** |
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* Method to get column iterator closure. |
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*/ |
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private static function getColumnIterator(string $term, int $mode): Closure |
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{ |
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/* |
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* Lambda function to create actual criteria for specified column + term + mode combo. |
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* |
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* @param string $column |
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* |
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* @return array<int, string> |
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*/ |
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return static fn (string $column): array => [ |
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!str_contains($column, '.') ? 'entity.' . $column : $column, 'like', self::getTerm($mode, $term), |
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]; |
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} |
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/** |
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* Method to get search term clause for 'LIKE' query for specified mode. |
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*/ |
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private static function getTerm(int $mode, string $term): string |
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{ |
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return match ($mode) { |
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self::MODE_STARTS_WITH => $term . '%', |
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self::MODE_ENDS_WITH => '%' . $term, |
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default => '%' . $term . '%', // self::MODE_FULL |
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}; |
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} |
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/** |
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* @param string|array<int, string>|null $column search column(s), could be a |
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* string or an array of strings |
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* |
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* @return array<int, string> |
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*/ |
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private static function getColumns(array | string | null $column): array |
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{ |
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// Normalize column and search parameters |
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return array_filter( |
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array_map('trim', (is_array($column) ? $column : (array)(string)$column)), |
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static fn (string $value): bool => trim($value) !== '' |
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); |
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} |
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/** |
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* Method to get search terms. |
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* |
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* @param string|array<int, string>|null $search search term(s), could be a string or an array of strings |
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* |
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* @return array<int, string> |
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*/ |
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private static function getSearchTerms(array | string | null $search): array |
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{ |
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return array_unique( |
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array_filter( |
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array_map('trim', (is_array($search) ? $search : explode(' ', (string)$search))), |
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static fn (string $value): bool => trim($value) !== '' |
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) |
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); |
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} |
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} |
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tarlepp /
symfony-flex-backend
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