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<?php |
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declare(strict_types=1); |
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namespace Andi\GraphQL\Type; |
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use GraphQL\Error\Error; |
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use GraphQL\Error\InvariantViolation; |
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use GraphQL\Language\AST\Node; |
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use GraphQL\Language\AST\StringValueNode; |
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use GraphQL\Language\Printer; |
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use GraphQL\Utils\Utils; |
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final class DateTime extends AbstractScalarType |
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{ |
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protected string $name = 'DateTime'; |
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protected string $description = <<<'STR' |
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The `DateTime` scalar type represents time data, |
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represented as an ISO-8601 encoded UTC date string.'; |
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STR; |
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public function serialize(mixed $value): string |
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{ |
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if (! $value instanceof \DateTimeInterface) { |
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throw new InvariantViolation( |
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'DateTime is not an instance of DateTimeInterface: ' . Utils::printSafe($value) |
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); |
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} |
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return $value->format(\DateTimeInterface::ATOM); |
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} |
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public function parseValue(mixed $value): ?\DateTimeImmutable |
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{ |
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if (null === $value) { |
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return null; |
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} |
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if ($value instanceof \DateTimeImmutable) { |
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return $value; |
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} |
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$str = (string) $value; |
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$dateTime = \DateTimeImmutable::createFromFormat('!Y-m-d', $str, new \DateTimeZone('UTC')) |
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?: \DateTimeImmutable::createFromFormat('!Y-m-d\\TH:i:s', $str, new \DateTimeZone('UTC')) |
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?: \DateTimeImmutable::createFromFormat(\DateTimeInterface::ATOM, $str); |
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$errors = \DateTimeImmutable::getLastErrors() ?: ['error_count' => 0, 'warnings' => []]; |
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if ($errors['error_count'] > 0 || \count($errors['warnings'])) { |
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throw new Error(\sprintf( |
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'The DateTime value must be a string value in "%s" format; given: %s', |
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\DateTimeInterface::ATOM, |
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Utils::printSafeJson($value), |
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)); |
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} |
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\assert($dateTime instanceof \DateTimeImmutable); |
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return $dateTime; |
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} |
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public function parseLiteral(Node $valueNode, ?array $variables = null): \DateTimeImmutable |
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{ |
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if ($valueNode instanceof StringValueNode) { |
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$dateTime = \DateTimeImmutable::createFromFormat('!Y-m-d', $valueNode->value, new \DateTimeZone('UTC')) |
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?: \DateTimeImmutable::createFromFormat('!Y-m-d\\TH:i:s', $valueNode->value, new \DateTimeZone('UTC')) |
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?: \DateTimeImmutable::createFromFormat(\DateTimeInterface::ATOM, $valueNode->value); |
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$errors = \DateTimeImmutable::getLastErrors() ?: ['error_count' => 0, 'warnings' => []]; |
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if ($errors['error_count'] > 0 || \count($errors['warnings'])) { |
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throw new Error( |
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\sprintf('Invalid DateTime value; given: %s', Printer::doPrint($valueNode)), |
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$valueNode, |
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); |
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} |
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\assert($dateTime instanceof \DateTimeImmutable); |
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return $dateTime; |
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} |
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throw new Error(\sprintf( |
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'The DateTime value must be a string value in "%s" format; given: %s', |
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\DateTimeInterface::ATOM, |
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Printer::doPrint($valueNode), |
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)); |
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} |
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} |
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andrey-mokhov /
graphql-php
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