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<?php |
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namespace Demv\JSend; |
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use Seld\JsonLint\JsonParser; |
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use function Dgame\Ensurance\ensure; |
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/** |
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* Class JSend |
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* @package Demv\JSend |
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*/ |
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final class JSend |
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{ |
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/** |
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* @param array $response |
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* |
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* @return JSendResponseInterface |
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*/ |
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private static function interpret(array $response): JSendResponseInterface |
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{ |
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ensure($response)->isArray()->hasKey('status')->orThrow('Key "status" is required'); |
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$status = Status::instance($response['status']); |
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if ($status->isSuccess() || $status->isFail()) { |
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ensure($response)->isArray()->hasKey('data')->orThrow('Key "data" is required'); |
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return new JSendResponse($status, $response['data']); |
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} |
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return new JSendErrorResponse($status, $response); |
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} |
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/** |
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* @param string $json |
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* |
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* @return JSendResponseInterface |
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* @throws \Seld\JsonLint\ParsingException |
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*/ |
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public static function decode(string $json): JSendResponseInterface |
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{ |
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$parser = new JsonParser(); |
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$result = $parser->parse($json, JsonParser::PARSE_TO_ASSOC | JsonParser::DETECT_KEY_CONFLICTS); |
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return self::interpret($result); |
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} |
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/** |
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* @param array $response |
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* @param int $options |
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* |
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* @return string |
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*/ |
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public static function encode(array $response, int $options = 0): string |
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{ |
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ensure($response)->isNotEmpty()->orThrow('Empty response cannot be converted to valid JSend-JSON'); |
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ensure($response)->isArray()->hasKey('status')->orThrow('Key "status" is required'); |
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$status = Status::instance($response['status']); |
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if ($status->isError()) { |
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ensure($response)->isArray()->hasKey('message')->orThrow('Need a descriptive error-message'); |
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} |
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return json_encode($response, $options); |
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} |
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/** |
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* @param JSendResponseInterface $response |
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* |
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* @return int|null |
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*/ |
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public static function getDefaultHttpStatusCode(JSendResponseInterface $response): ?int |
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{ |
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if ($response->getStatus()->isError()) { |
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return $response->getError()->getCode() ?? 400; |
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} |
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if ($response->getStatus()->isSuccess()) { |
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return 200; |
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} |
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return null; |
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} |
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/** |
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* @param JSendResponseInterface $response |
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* @param int|null $code |
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*/ |
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public static function render(JSendResponseInterface $response, int $code = null): void |
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{ |
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$code = $code ?? self::getDefaultHttpStatusCode($response); |
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ensure($code)->isInt()->isBetween(100, 500); |
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header('Content-Type: application/json; charset="UTF-8"', true, $code); |
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print json_encode($response); |
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exit; |
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} |
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} |
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demvsystems /
jsend
