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<?php |
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declare(strict_types=1); |
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namespace Lit\Voltage; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* A simple view class doing json_encode for payloads. |
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*/ |
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class JsonView extends AbstractView |
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{ |
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public const JSON_ROOT = self::class; |
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protected $jsonOption = 0; |
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/** |
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* {@inheritDoc} |
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* |
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* You may use renderJson which receive any type instead of this. |
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* |
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* @param array $data Payload. If JsonView::JSON_ROOT exist in payload, it will be used instead of whole payload. |
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* @return ResponseInterface |
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*/ |
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public function render(array $data = []): ResponseInterface |
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{ |
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$jsonData = array_key_exists(static::JSON_ROOT, $data) ? $data[static::JSON_ROOT] : $data; |
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/** @var string $jsonString */ |
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$jsonString = json_encode($jsonData, $this->jsonOption); |
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assert(json_last_error() === JSON_ERROR_NONE); |
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$this->getEmptyBody()->write($jsonString); |
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return $this->response |
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->withHeader('Content-Type', 'application/json'); |
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} |
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/** |
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* Render method that receives any type of payload. |
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* |
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* @param mixed $value The payload to be outputed. |
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* @return ResponseInterface |
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*/ |
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public function renderJson($value): ResponseInterface |
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{ |
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return $this->render([static::JSON_ROOT => $value]); |
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} |
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/** |
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* @return integer |
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*/ |
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public function getJsonOption(): int |
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{ |
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return $this->jsonOption; |
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} |
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/** |
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* @param integer $jsonOption The new json option. |
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* @return $this |
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*/ |
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public function setJsonOption(int $jsonOption) |
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{ |
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$this->jsonOption = $jsonOption; |
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return $this; |
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} |
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} |
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