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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Api\Scalar; |
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use Cake\Chronos\ChronosTime; |
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use GraphQL\Error\Error; |
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use GraphQL\Language\AST\Node; |
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use GraphQL\Language\AST\StringValueNode; |
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use GraphQL\Type\Definition\ScalarType; |
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use GraphQL\Utils\Utils; |
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final class TimeType extends ScalarType |
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{ |
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public ?string $description = 'A time of the day including only hour and minutes (local time, no timezone). Accepted formats are "14h35", "14:35" or "14h".'; |
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/** |
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* Serializes an internal value to include in a response. |
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*/ |
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public function serialize(mixed $value): mixed |
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{ |
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if ($value instanceof ChronosTime) { |
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return $value->format('H:i'); |
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} |
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return $value; |
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} |
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/** |
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* Parses an externally provided value (query variable) to use as an input. |
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*/ |
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public function parseValue(mixed $value): ?ChronosTime |
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{ |
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if (!is_string($value)) { |
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throw new Error('Cannot represent value as ChronosTime: ' . Utils::printSafe($value)); |
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} |
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if ($value === '') { |
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return null; |
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} |
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if (!preg_match('~^(?<hour>\d{1,2})(([h:]$)|([h:](?<minute>\d{1,2}))?$)~', trim($value), $m)) { |
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throw new Error('Invalid format for ChronosTime. Expected "14h35", "14:35" or "14h", but got: ' . Utils::printSafe($value)); |
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} |
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$value = $m['hour'] . ':' . ($m['minute'] ?? '00'); |
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$time = new ChronosTime($value); |
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return $time; |
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} |
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/** |
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* Parses an externally provided literal value to use as an input (e.g. in Query AST). |
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*/ |
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public function parseLiteral(Node $valueNode, ?array $variables = null): ?ChronosTime |
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{ |
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// Note: throwing GraphQL\Error\Error vs \UnexpectedValueException to benefit from GraphQL |
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// error location in query: |
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if (!($valueNode instanceof StringValueNode)) { |
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throw new Error('Query error: Can only parse strings got: ' . $valueNode->kind, $valueNode); |
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} |
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return $this->parseValue($valueNode->value); |
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} |
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} |
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Ecodev /
felix
