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<?php |
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namespace Kir\MySQL\Builder\Internal; |
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use Kir\MySQL\Builder\Expr\OptionalExpression; |
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use Kir\MySQL\Database; |
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use Kir\MySQL\Builder; |
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final class ConditionBuilder { |
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/** |
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* @param Database $db |
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* @param string $query |
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* @param array<int, array{string|array<string, mixed>|object|OptionalExpression, array<int, null|string|array<int, null|scalar>|Builder\DBExpr|Builder\Select>}> $conditions |
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* @param string $token |
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* @return string |
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*/ |
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public static function build(Database $db, string $query, array $conditions, string $token): string { |
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if(!count($conditions)) { |
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return $query; |
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} |
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$query .= "{$token}\n"; |
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$arr = []; |
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foreach($conditions as [$expression, $arguments]) { |
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if(is_array($expression)) { |
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foreach($expression as $key => $value) { |
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$key = self::formatKey($key); |
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if($value === null) { |
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$arr = self::buildCondition($arr, "ISNULL({$key})", [$value], $db); |
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} else { |
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$arr = self::buildCondition($arr, "{$key}=?", [$value], $db); |
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} |
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} |
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} else { |
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$arr = self::buildCondition($arr, (string) $expression, $arguments, $db); |
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} |
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} |
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$query .= implode("\n\tAND\n", $arr); |
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return "{$query}\n"; |
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} |
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/** |
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* @param array<int, string> $conditions |
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* @param string $expression |
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* @param array<int, null|string|array<int, null|scalar>|Builder\DBExpr|Builder\Select> $arguments |
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* @param Database $db |
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* @return array<int, string> |
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*/ |
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private static function buildCondition(array $conditions, string $expression, array $arguments, Database $db): array { |
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$expr = $db->quoteExpression($expression, $arguments); |
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$conditions[] = "\t({$expr})"; |
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return $conditions; |
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} |
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/** |
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* @param string $key |
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* @return string |
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*/ |
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private static function formatKey(string $key): string { |
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if(strpos($key, '`') !== false || strpos($key, '(') !== false) { |
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return $key; |
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} |
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$keyParts = explode('.', $key); |
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$fn = static function (string $part) { |
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return "`{$part}`"; |
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}; |
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$enclosedKeyParts = array_map($fn, $keyParts); |
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return implode('.', $enclosedKeyParts); |
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} |
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} |
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rkrx /
php-mysql-query-builder
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